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hep-ph/9910469
Miho Takayama
Atsushi Hosaka (1), Miho Takayama (2) and Hiroshi Toki (2) ((1) Numazu Coll. Tech., (2) RCNP, Osaka Univ.)
Electromagnetic transitions of excited baryons in a deformed oscillator quark model
29 pages, 3 figures, LaTeX2e, epsf.sty and AMSLaTeX package are required; typos corrected, published version
Nucl.Phys. A678 (2000) 147-174
10.1016/S0375-9474(00)00319-5
null
hep-ph nucl-th
null
We study electromagnetic transitions of excited baryons in a deformed oscillator quark model, where baryon excited states are described as rotational bands of deformed intrinsic states. We describe all necessary tools to compute transition amplitudes in multipole basis, which are then related to the commonly used hel...
[ { "created": "Mon, 25 Oct 1999 09:23:38 GMT", "version": "v1" }, { "created": "Fri, 1 Sep 2000 08:26:09 GMT", "version": "v2" } ]
2009-10-31
[ [ "Hosaka", "Atsushi", "" ], [ "Takayama", "Miho", "" ], [ "Toki", "Hiroshi", "" ] ]
We study electromagnetic transitions of excited baryons in a deformed oscillator quark model, where baryon excited states are described as rotational bands of deformed intrinsic states. We describe all necessary tools to compute transition amplitudes in multipole basis, which are then related to the commonly used helic...
0908.4165
Wojciech Broniowski
Wojciech Broniowski, Enrique Ruiz Arriola
Application of chiral quarks to high-energy processes and lattice QCD
talk presented by WB at Excited QCD, Zakopane, 8-14 February 2009
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Results of the chiral quark models for the soft matrix elements involving pions and photons, relevant for high-energy processes, are reviewed. We discuss quantities related to the generalized parton distributions of the pion: the parton distribution functions, the parton distribution amplitudes, and the generalized f...
[ { "created": "Fri, 28 Aug 2009 09:37:45 GMT", "version": "v1" } ]
2009-08-31
[ [ "Broniowski", "Wojciech", "" ], [ "Arriola", "Enrique Ruiz", "" ] ]
Results of the chiral quark models for the soft matrix elements involving pions and photons, relevant for high-energy processes, are reviewed. We discuss quantities related to the generalized parton distributions of the pion: the parton distribution functions, the parton distribution amplitudes, and the generalized for...
2312.13984
Elisa Maria Todarello
Elisa Todarello, Marco Regis, Marco Taoso, Maurizio Giannotti, Jaime Ruz, Julia K. Vogel
The Sun as a target for axion dark matter detection
Matches published version in PLB 854
null
null
null
hep-ph astro-ph.HE astro-ph.SR
http://creativecommons.org/publicdomain/zero/1.0/
The exploration of the parameter space of axion and axion-like particle dark matter is a major aim of the future program of astroparticle physics investigations. In this context, we present a possible strategy that focuses on detecting radio emissions arising from the conversion of dark matter axions in the Sun's mag...
[ { "created": "Thu, 21 Dec 2023 16:18:29 GMT", "version": "v1" }, { "created": "Wed, 5 Jun 2024 15:13:15 GMT", "version": "v2" } ]
2024-06-06
[ [ "Todarello", "Elisa", "" ], [ "Regis", "Marco", "" ], [ "Taoso", "Marco", "" ], [ "Giannotti", "Maurizio", "" ], [ "Ruz", "Jaime", "" ], [ "Vogel", "Julia K.", "" ] ]
The exploration of the parameter space of axion and axion-like particle dark matter is a major aim of the future program of astroparticle physics investigations. In this context, we present a possible strategy that focuses on detecting radio emissions arising from the conversion of dark matter axions in the Sun's magne...
1106.2452
Sang Hui Im
Kyu Jung Bae, Kiwoon Choi, Sang Hui Im
Effective interactions of axion supermultiplet and thermal production of axino dark matter
1+33 pages, 11 figures, 1 table. v3: Matches the journal version
JHEP 1108:065,2011
10.1007/JHEP08(2011)065
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the effective interactions of axion supermultiplet, which might be important for analyzing the cosmological aspect of supersymmetric axion model. Related to axino cosmology, it is stressed that three seemingly similar but basically different quantities, the Wilsonian axino-gluino-gluon coupling, the 1PI ax...
[ { "created": "Mon, 13 Jun 2011 14:39:51 GMT", "version": "v1" }, { "created": "Thu, 14 Jul 2011 12:20:48 GMT", "version": "v2" }, { "created": "Tue, 23 Aug 2011 08:22:03 GMT", "version": "v3" } ]
2011-08-24
[ [ "Bae", "Kyu Jung", "" ], [ "Choi", "Kiwoon", "" ], [ "Im", "Sang Hui", "" ] ]
We discuss the effective interactions of axion supermultiplet, which might be important for analyzing the cosmological aspect of supersymmetric axion model. Related to axino cosmology, it is stressed that three seemingly similar but basically different quantities, the Wilsonian axino-gluino-gluon coupling, the 1PI axin...
hep-ph/9802341
Robin Stuart
Timo van Ritbergen and Robin G. Stuart (Randall Laboratory of Physics)
Hadronic Contributions to the Muon Lifetime
10 pages LaTeX. 1 figure. Uses amsmath.sty, cite.sty and axodraw.sty Discussion expanded. Results unchanged
Phys.Lett. B437 (1998) 201-208
10.1016/S0370-2693(98)00895-8
null
hep-ph
null
Hadronic corrections to the muon lifetime are calculated in the Fermi theory in the presence of QED using dispersion relations. The result, after convolution of hadron data with the calculated perturbative kernel is Delta Gamma_had = -Gamma_0(alpha/pi)^2(0.042) where Gamma_0 is the tree-level width. The results a...
[ { "created": "Tue, 17 Feb 1998 22:49:35 GMT", "version": "v1" }, { "created": "Wed, 18 Feb 1998 22:34:24 GMT", "version": "v2" }, { "created": "Sat, 21 Mar 1998 01:34:39 GMT", "version": "v3" }, { "created": "Thu, 9 Jul 1998 18:42:47 GMT", "version": "v4" } ]
2009-10-31
[ [ "van Ritbergen", "Timo", "", "Randall Laboratory of Physics" ], [ "Stuart", "Robin G.", "", "Randall Laboratory of Physics" ] ]
Hadronic corrections to the muon lifetime are calculated in the Fermi theory in the presence of QED using dispersion relations. The result, after convolution of hadron data with the calculated perturbative kernel is Delta Gamma_had = -Gamma_0(alpha/pi)^2(0.042) where Gamma_0 is the tree-level width. The results are als...
1910.10716
Tanner Trickle
Sinead M. Griffin, Katherine Inzani, Tanner Trickle, Zhengkang Zhang, Kathryn M. Zurek
Multi-Channel Direct Detection of Light Dark Matter: Target Comparison
28 pages, 18 figures. Updated constraint projections in figures with PhonoDark v1.1.0 (phonodark.caltech.edu)
Phys. Rev. D 101, 055004 (2020)
10.1103/PhysRevD.101.055004
null
hep-ph cond-mat.mtrl-sci
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Direct detection experiments for light dark matter are making enormous leaps in reaching previously unexplored model space. Several recent proposals rely on collective excitations, where the experimental sensitivity is highly dependent on detailed properties of the target material, well beyond just nucleus mass numbe...
[ { "created": "Wed, 23 Oct 2019 18:00:00 GMT", "version": "v1" }, { "created": "Tue, 24 Mar 2020 17:30:22 GMT", "version": "v2" }, { "created": "Tue, 19 Oct 2021 22:15:05 GMT", "version": "v3" } ]
2021-10-22
[ [ "Griffin", "Sinead M.", "" ], [ "Inzani", "Katherine", "" ], [ "Trickle", "Tanner", "" ], [ "Zhang", "Zhengkang", "" ], [ "Zurek", "Kathryn M.", "" ] ]
Direct detection experiments for light dark matter are making enormous leaps in reaching previously unexplored model space. Several recent proposals rely on collective excitations, where the experimental sensitivity is highly dependent on detailed properties of the target material, well beyond just nucleus mass numbers...
1507.00062
Howard Baer
Baris Altunkaynak, Howard Baer, Vernon Barger and Peisi Huang
Distinguishing LSP archetypes via gluino pair production at LHC13
19 pages, 9 figures
Phys. Rev. D 92, 035015 (2015)
10.1103/PhysRevD.92.035015
CETUP2015-005
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The search for supersymmetry at Run 1 of LHC has resulted in gluino mass limits m(gluino)>~ 1.3 TeV for the case where m(gluino)<<m(squark) and in models with gaugino mass unification. The increased energy and ultimately luminosity of LHC13 will explore the range m(gluino)~ 1.3-2 TeV. We examine how the discovery of ...
[ { "created": "Tue, 30 Jun 2015 23:11:53 GMT", "version": "v1" } ]
2015-08-26
[ [ "Altunkaynak", "Baris", "" ], [ "Baer", "Howard", "" ], [ "Barger", "Vernon", "" ], [ "Huang", "Peisi", "" ] ]
The search for supersymmetry at Run 1 of LHC has resulted in gluino mass limits m(gluino)>~ 1.3 TeV for the case where m(gluino)<<m(squark) and in models with gaugino mass unification. The increased energy and ultimately luminosity of LHC13 will explore the range m(gluino)~ 1.3-2 TeV. We examine how the discovery of SU...
1105.3357
Stefano Mattiello
Stefano Mattiello
Entropy production for an interacting quark-gluon plasma
26 pages, 4 figures, 2 tables
null
10.1016/j.nuclphysa.2012.09.003
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the entropy production within dissipative hydrodynamics in the Israel-Stewart (IS) and Navier-Stokes theory (NS) for relativistic heavy ion physics applications. In particular we focus on the initial condition in a 0+1D Bjorken scenario, appropriate for the early longitudinal expansion stage of the col...
[ { "created": "Tue, 17 May 2011 12:48:33 GMT", "version": "v1" } ]
2015-05-28
[ [ "Mattiello", "Stefano", "" ] ]
We investigate the entropy production within dissipative hydrodynamics in the Israel-Stewart (IS) and Navier-Stokes theory (NS) for relativistic heavy ion physics applications. In particular we focus on the initial condition in a 0+1D Bjorken scenario, appropriate for the early longitudinal expansion stage of the colli...
1407.2771
Robert Knegjens
Robert Knegjens
Theory overview of $B_{s,d}\to \mu^+\mu^-$ decays
7 pages, 8 figures, to appear in the proceedings of DIS 2014 workshop, Warsaw, Poland, 28/4-2/5, 2014. Corrected typo in formula (1.4)
PoS DIS2014 (2014) 194
null
FLAVOUR(267104)-ERC-74
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this talk I give a theoretical overview of the rare decays $B_{s} \to \mu^+ \mu^-$ and $B_{d} \to \mu^+ \mu^-$. The branching ratios of these decays are promising probes of New Physics, both independently and relative to each other. Recent experimental progress at the LHC has confirmed the existence of the $B_{s} ...
[ { "created": "Thu, 10 Jul 2014 12:44:11 GMT", "version": "v1" }, { "created": "Mon, 1 Jun 2015 09:30:14 GMT", "version": "v2" } ]
2015-06-02
[ [ "Knegjens", "Robert", "" ] ]
In this talk I give a theoretical overview of the rare decays $B_{s} \to \mu^+ \mu^-$ and $B_{d} \to \mu^+ \mu^-$. The branching ratios of these decays are promising probes of New Physics, both independently and relative to each other. Recent experimental progress at the LHC has confirmed the existence of the $B_{s} \t...
hep-ph/0510199
Yuri Dokshitzer
Yuri Dokshitzer (LPTHE)
QCD At Moderately Large Distances
null
Nucl.Phys.A711:11-18,2002
10.1016/S0375-9474(02)01185-5
null
hep-ph
null
Invited talk at European Workshop on the QCD Structure of the Nucleon (QCD-N\'02), Ferrara, Italy, 3--6 Apr 2002
[ { "created": "Fri, 14 Oct 2005 19:30:31 GMT", "version": "v1" } ]
2008-11-26
[ [ "Dokshitzer", "Yuri", "", "LPTHE" ] ]
Invited talk at European Workshop on the QCD Structure of the Nucleon (QCD-N\'02), Ferrara, Italy, 3--6 Apr 2002
hep-ph/9809227
S. Schmidt
S. Schmidt, D. Blaschke, G. R\"opke, S.A. Smolyansky, A.V. Prozorkevich and V.D. Toneev
A quantum kinetic equation for particle production in the Schwinger mechanism
13 pages, LaTeX, epsfig.sty, ijmpel.sty, 4 figures. To be published in Int. J. Mod. Phys. E
Int.J.Mod.Phys. E7 (1998) 709-722
10.1142/S0218301398000403
null
hep-ph
null
A quantum kinetic equation is derived for the description of pair production in a time-dependent homogeneous electric field $E(t)$. As a source term, the Schwinger mechanism for particle creation is incorporated. Possible particle production due to collisions and collisional damping are neglected. The main result is ...
[ { "created": "Wed, 2 Sep 1998 08:04:16 GMT", "version": "v1" } ]
2015-06-25
[ [ "Schmidt", "S.", "" ], [ "Blaschke", "D.", "" ], [ "Röpke", "G.", "" ], [ "Smolyansky", "S. A.", "" ], [ "Prozorkevich", "A. V.", "" ], [ "Toneev", "V. D.", "" ] ]
A quantum kinetic equation is derived for the description of pair production in a time-dependent homogeneous electric field $E(t)$. As a source term, the Schwinger mechanism for particle creation is incorporated. Possible particle production due to collisions and collisional damping are neglected. The main result is a ...
1701.01402
Arcadi Santamaria
Julien Alcaide, Dipankar Das, Arcadi Santamaria
A model of neutrino mass and dark matter with large neutrinoless double beta decay
Figure 4 updated with new NuFIT 3.2 (2018) data. Added references
null
10.1007/JHEP04(2017)049
FTUV-17-0104, IFIC-16-97
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a model where neutrino masses are generated at three loop order but neutrinoless double beta decay occurs at one loop. Thus we can have large neutrinoless double beta decay observable in the future experiments even when the neutrino masses are very small. The model receives strong constraints from the neut...
[ { "created": "Thu, 5 Jan 2017 17:59:46 GMT", "version": "v1" }, { "created": "Wed, 20 Jun 2018 17:54:33 GMT", "version": "v2" } ]
2018-06-21
[ [ "Alcaide", "Julien", "" ], [ "Das", "Dipankar", "" ], [ "Santamaria", "Arcadi", "" ] ]
We propose a model where neutrino masses are generated at three loop order but neutrinoless double beta decay occurs at one loop. Thus we can have large neutrinoless double beta decay observable in the future experiments even when the neutrino masses are very small. The model receives strong constraints from the neutri...
1112.3484
Vladimir Dzhunushaliev
Vladimir Dzhunushaliev
Nonperturbative quantization technique for QCD
changes in the text, one Ref. is added
null
null
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Heisenberg nonperturbative quantization technique for quantum chromodynamics is applied. In such approach the nonperturbative quantization is based on Yang - Mills equations applied for the quantum field operator $\hat A^B_\mu$. It is shown that such equation is equivalent to an infinite equations set for all Green f...
[ { "created": "Thu, 15 Dec 2011 11:24:40 GMT", "version": "v1" }, { "created": "Sun, 18 Dec 2011 11:49:00 GMT", "version": "v2" } ]
2011-12-20
[ [ "Dzhunushaliev", "Vladimir", "" ] ]
Heisenberg nonperturbative quantization technique for quantum chromodynamics is applied. In such approach the nonperturbative quantization is based on Yang - Mills equations applied for the quantum field operator $\hat A^B_\mu$. It is shown that such equation is equivalent to an infinite equations set for all Green fun...
1502.04115
Mehmet Sahin
U. Kaya (Ankara University, Ankara, Turkey), M. Sahin (Usak University, Usak, Turkey), S. Sultansoy (TOBB ETU, Ankara Turkey & National Academy of Sciences, Institute of Physics, Baku, Azerbaijan)
Majorana Neutrino and $W_{R}$ at TeV scale $ep$ Colliders
14 pages, 9 figures
null
null
null
hep-ph hep-ex physics.acc-ph
http://creativecommons.org/licenses/by/3.0/
Production of heavy Majorana neutrino $N_{e}$ predicted by left-right symmetric extension of the Standard Model at future {\normalsize TeV} scale $ep$ colliders have been considered. In order to estimate potential of $ep$ colliders for $N_{e}$ search we consider back-groundless process $e^{-}p\rightarrow e^{+}X$ whic...
[ { "created": "Fri, 13 Feb 2015 20:56:27 GMT", "version": "v1" }, { "created": "Mon, 23 Feb 2015 21:13:54 GMT", "version": "v2" } ]
2015-02-26
[ [ "Kaya", "U.", "", "Ankara University, Ankara, Turkey" ], [ "Sahin", "M.", "", "Usak\n University, Usak, Turkey" ], [ "Sultansoy", "S.", "", "TOBB ETU, Ankara Turkey & National\n Academy of Sciences, Institute of Physics, Baku, Azerbaijan" ] ]
Production of heavy Majorana neutrino $N_{e}$ predicted by left-right symmetric extension of the Standard Model at future {\normalsize TeV} scale $ep$ colliders have been considered. In order to estimate potential of $ep$ colliders for $N_{e}$ search we consider back-groundless process $e^{-}p\rightarrow e^{+}X$ which ...
hep-ph/0309173
Gianfranco Bertone
Michel Casse, Jacques Paul, Gianfranco Bertone, Guenter Sigl
Gamma rays from the Galactic bulge and large extra dimensions
4 pages, minor changes to text, matches published version
Phys.Rev.Lett.92:111102,2004
10.1103/PhysRevLett.92.111102
null
hep-ph astro-ph gr-qc hep-th
null
An intriguing feature of extra dimensions is the possible production of Kaluza--Klein gravitons by nucleon-nucleon bremsstrahlung in the course of core collapse of massive stars, as pointed out by Hannestad and Raffelt. In this event Kaluza--Klein gravitons are copiously produced and a significant fraction of them re...
[ { "created": "Mon, 15 Sep 2003 18:09:13 GMT", "version": "v1" }, { "created": "Wed, 24 Mar 2004 21:15:12 GMT", "version": "v2" } ]
2008-11-26
[ [ "Casse", "Michel", "" ], [ "Paul", "Jacques", "" ], [ "Bertone", "Gianfranco", "" ], [ "Sigl", "Guenter", "" ] ]
An intriguing feature of extra dimensions is the possible production of Kaluza--Klein gravitons by nucleon-nucleon bremsstrahlung in the course of core collapse of massive stars, as pointed out by Hannestad and Raffelt. In this event Kaluza--Klein gravitons are copiously produced and a significant fraction of them rema...
2201.02042
Oleg Tretiak
Oleg Tretiak (1,2), Xue Zhang (1,2), Nataniel L. Figueroa (1,2), Dionysios Antypas (1,2), Andrea Brogna (1), Abhishek Banerjee (3), Gilad Perez (3), Dmitry Budker (1,2,4)((1) Johannes Gutenberg-Universit\"at Mainz, Germany, (2) Helmholtz-Institut, GSI Helmholtzzentrum f\"ur Schwerionenforschung, Mainz, Germany,...
Improved bounds on ultralight scalar dark matter in the radio-frequency range
13 pages, 11 figures
null
10.1103/PhysRevLett.129.031301
null
hep-ph astro-ph.CO physics.atom-ph quant-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a search for fundamental constant oscillations in the range $20$~kHz-$100$ MHz, that may arise within models for ultralight dark matter (UDM). Using two independent, significantly upgraded optical-spectroscopy apparatus, we achieve up to $\times$1000 greater sensitivity in the search relative to previous w...
[ { "created": "Thu, 6 Jan 2022 13:19:18 GMT", "version": "v1" }, { "created": "Thu, 13 Jan 2022 11:06:32 GMT", "version": "v2" } ]
2022-07-20
[ [ "Tretiak", "Oleg", "" ], [ "Zhang", "Xue", "" ], [ "Figueroa", "Nataniel L.", "" ], [ "Antypas", "Dionysios", "" ], [ "Brogna", "Andrea", "" ], [ "Banerjee", "Abhishek", "" ], [ "Perez", "Gilad", "" ], ...
We present a search for fundamental constant oscillations in the range $20$~kHz-$100$ MHz, that may arise within models for ultralight dark matter (UDM). Using two independent, significantly upgraded optical-spectroscopy apparatus, we achieve up to $\times$1000 greater sensitivity in the search relative to previous wor...
hep-ph/0205234
Marek Jezabek
M. Jezabek (HNINP Cracow and U. of Silesia)
Neutrino masses: hierarchy without hierarchy
7 pages, no figures. Dedicated to Stefan Pokorski on his 60th birthday. To appear in Acta Physica Polonica B
Acta Phys.Polon. B33 (2002) 1885
null
null
hep-ph
null
A large hierarchy of the Dirac masses can result in a small hierarchy for the low energy masses of the active neutrinos. This can happen even if the Majorana masses of right-handed neutrinos are all equal. A realistic description of the observed neutrino masses and mixing can be obtained starting from a large hierarc...
[ { "created": "Tue, 21 May 2002 19:09:54 GMT", "version": "v1" } ]
2007-05-23
[ [ "Jezabek", "M.", "", "HNINP Cracow and U. of Silesia" ] ]
A large hierarchy of the Dirac masses can result in a small hierarchy for the low energy masses of the active neutrinos. This can happen even if the Majorana masses of right-handed neutrinos are all equal. A realistic description of the observed neutrino masses and mixing can be obtained starting from a large hierarchy...
hep-ph/0101205
Giulia Zanderighi
A. Banfi, Yu.L. Dokshitzer, G. Marchesini, G. Zanderighi
Non-perturbative QCD analysis of near-to-planar three-jet events
53 pages, 4 figures, JHEP class included
JHEP 0103:007,2001
10.1088/1126-6708/2001/03/007
null
hep-ph
null
We present the analysis of the 1/Q-suppressed non-perturbative (NP) contribution to the cumulative out-of-event-plane momentum distribution in e+e- annihilation in the near-to-planar three-jet region. It complements our previous study of the perturbative (PT) distributions resummed to single logarithmic accuracy. Due...
[ { "created": "Thu, 18 Jan 2001 16:36:57 GMT", "version": "v1" } ]
2010-02-03
[ [ "Banfi", "A.", "" ], [ "Dokshitzer", "Yu. L.", "" ], [ "Marchesini", "G.", "" ], [ "Zanderighi", "G.", "" ] ]
We present the analysis of the 1/Q-suppressed non-perturbative (NP) contribution to the cumulative out-of-event-plane momentum distribution in e+e- annihilation in the near-to-planar three-jet region. It complements our previous study of the perturbative (PT) distributions resummed to single logarithmic accuracy. Due t...
hep-ph/0601034
Ahmed Ali
A. Ali, G. Kramer, Guohuai Zhu
$B \to K^* \ell^+\ell^-$ in soft-collinear effective theory
34 pages, 7 figures; typos corrected, several references added, and discussion of the scale dependence of the forward-backward asymmetry zero-point enlarged
Eur.Phys.J.C47:625-641,2006
10.1140/epjc/s2006-02596-4
DESY 06-002
hep-ph hep-ex
null
We study the rare B decay $B \to K^* \ell^+ \ell^-$ using soft-collinear effective theory (SCET). At leading power in $1/m_b$, a factorization formula is obtained valid to all orders in $\alpha_s$. For phenomenological application, we calculate the decay amplitude including order $\alpha_s$ corrections, and resum the...
[ { "created": "Thu, 5 Jan 2006 11:59:55 GMT", "version": "v1" }, { "created": "Thu, 23 Feb 2006 09:04:16 GMT", "version": "v2" } ]
2009-01-07
[ [ "Ali", "A.", "" ], [ "Kramer", "G.", "" ], [ "Zhu", "Guohuai", "" ] ]
We study the rare B decay $B \to K^* \ell^+ \ell^-$ using soft-collinear effective theory (SCET). At leading power in $1/m_b$, a factorization formula is obtained valid to all orders in $\alpha_s$. For phenomenological application, we calculate the decay amplitude including order $\alpha_s$ corrections, and resum the l...
2408.05908
Liming Wang
Li-Ming Wang, Wen-Xin Tian, Xiang Liu
Could the newly reported $X(2600)$ be the $\eta_2(4D)$ meson?
8 pages, 6 figures, 4 tables
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The BESIII Collaboration recently reported the observation of the $X(2600)$ state in the $\eta^\prime \pi^+\pi^-$ invariant mass spectrum of $J/\psi \to \gamma \eta^\prime \pi^+\pi^-$, with a significance exceeding $20\sigma$. Its $J^{PC}$ quantum numbers could be either $0^{-+}$ or $2^{-+}$. We explore the possibili...
[ { "created": "Mon, 12 Aug 2024 03:42:34 GMT", "version": "v1" } ]
2024-08-13
[ [ "Wang", "Li-Ming", "" ], [ "Tian", "Wen-Xin", "" ], [ "Liu", "Xiang", "" ] ]
The BESIII Collaboration recently reported the observation of the $X(2600)$ state in the $\eta^\prime \pi^+\pi^-$ invariant mass spectrum of $J/\psi \to \gamma \eta^\prime \pi^+\pi^-$, with a significance exceeding $20\sigma$. Its $J^{PC}$ quantum numbers could be either $0^{-+}$ or $2^{-+}$. We explore the possibility...
1911.12524
Reyimuaji Yakefu
Yakefu Reyimuaji, Chun Liu
Prospects of light sterile neutrino searches in long-baseline neutrino oscillations
30 pages, 5 figures, 3 tables, references added and revision made
null
10.1007/JHEP06(2020)094
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The neutrino oscillation probabilities in vacuum and matter are discussed, considering the framework of three active and one light sterile neutrinos. We study in detail the rephasing invariants and CP asymmetry observables, and investigate the four-neutrino oscillations in long-baseline neutrino experiments, such as ...
[ { "created": "Thu, 28 Nov 2019 04:35:19 GMT", "version": "v1" }, { "created": "Mon, 15 Jun 2020 12:35:14 GMT", "version": "v2" } ]
2020-07-15
[ [ "Reyimuaji", "Yakefu", "" ], [ "Liu", "Chun", "" ] ]
The neutrino oscillation probabilities in vacuum and matter are discussed, considering the framework of three active and one light sterile neutrinos. We study in detail the rephasing invariants and CP asymmetry observables, and investigate the four-neutrino oscillations in long-baseline neutrino experiments, such as DU...
1511.02721
Danning Li
Kaddour Chelabi, Zhen Fang, Mei Huang, Danning Li and Yue-Liang Wu
Realization of chiral symmetry breaking and restoration in holographic QCD
4 pages
Phys. Rev. D 93, 101901 (2016)
10.1103/PhysRevD.93.101901
null
hep-ph hep-lat hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
With proper profiles of the scalar potential and the dilaton field, for the first time, the spontaneous chiral symmetry breaking in the vacuum and its restoration at finite temperature are correctly realized in the holographic QCD framework. In the chiral limit, a nonzero chiral condensate develops in the vacuum and ...
[ { "created": "Mon, 9 Nov 2015 15:40:30 GMT", "version": "v1" } ]
2016-05-11
[ [ "Chelabi", "Kaddour", "" ], [ "Fang", "Zhen", "" ], [ "Huang", "Mei", "" ], [ "Li", "Danning", "" ], [ "Wu", "Yue-Liang", "" ] ]
With proper profiles of the scalar potential and the dilaton field, for the first time, the spontaneous chiral symmetry breaking in the vacuum and its restoration at finite temperature are correctly realized in the holographic QCD framework. In the chiral limit, a nonzero chiral condensate develops in the vacuum and de...
1304.2566
Zbigniew Ambrozinski M. Sc.
Zbigniew Ambrozinski
String picture of 1+1 dimensional QED in light--front formulation
7 pages, 5 figures, talk presented at Light Cone 2012, 8-13 July 2012, Polish Academy of Arts and Sciences, Cracow
Acta Phys.Polon.Supp. 6 (2013) 263-271
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study quantum electrodynamics in 1+1 dimensions in the light--front frame using numerical methods. We analyze confinement and charge screening which are key features of this system. By direct analysis of wavefunctions of bound states in two parton sector we determine the string tension. In four parton sector we in...
[ { "created": "Tue, 9 Apr 2013 12:55:53 GMT", "version": "v1" } ]
2013-04-10
[ [ "Ambrozinski", "Zbigniew", "" ] ]
We study quantum electrodynamics in 1+1 dimensions in the light--front frame using numerical methods. We analyze confinement and charge screening which are key features of this system. By direct analysis of wavefunctions of bound states in two parton sector we determine the string tension. In four parton sector we intr...
hep-ph/0610342
Ernest Ma
Ernest Ma (UC Riverside)
Supersymmetric A_4 X Z_3 and A_4 Realizations of Neutrino Tribimaximal Mixing Without and With Corrections
8 pages, no figure
Mod.Phys.Lett.A22:101-106,2007
10.1142/S0217732307022505
UCRHEP-T422 (Oct 06)
hep-ph
null
In an improved application of the tetrahedral symmetry A_4 first introduced by Ma and Rajasekaran, supplemented by the discrete symmetry Z_3 as well as supersymmetry, a two-parameter form of the neutrino mass matrix is derived which exhibits the tribimaximal mixing of Harrison, Perkins, and Scott. This form is the sa...
[ { "created": "Wed, 25 Oct 2006 15:49:47 GMT", "version": "v1" }, { "created": "Thu, 26 Oct 2006 16:04:31 GMT", "version": "v2" } ]
2008-11-26
[ [ "Ma", "Ernest", "", "UC Riverside" ] ]
In an improved application of the tetrahedral symmetry A_4 first introduced by Ma and Rajasekaran, supplemented by the discrete symmetry Z_3 as well as supersymmetry, a two-parameter form of the neutrino mass matrix is derived which exhibits the tribimaximal mixing of Harrison, Perkins, and Scott. This form is the same...
hep-ph/0504245
Salvatore Esposito
E. Di Grezia, S. Esposito, G. Salesi
Laboratory bounds on Lorentz symmetry violation in low energy neutrino physics
revtex, 8 pages, no figures, references added, typos corrected
Mod.Phys.Lett. A21 (2006) 349-362
10.1142/S0217732306019487
null
hep-ph
null
Quantitative bounds on Lorentz symmetry violation in the neutrino sector have been obtained by analyzing existing laboratory data on neutron $\beta$ decay and pion leptonic decays. In particular some parameters appearing in the energy-momentum dispersion relations for $\nu_e$ and $\nu_\mu$ have been constrained in tw...
[ { "created": "Tue, 26 Apr 2005 16:01:43 GMT", "version": "v1" }, { "created": "Fri, 6 May 2005 15:35:22 GMT", "version": "v2" }, { "created": "Mon, 13 Mar 2006 15:54:37 GMT", "version": "v3" } ]
2009-11-11
[ [ "Di Grezia", "E.", "" ], [ "Esposito", "S.", "" ], [ "Salesi", "G.", "" ] ]
Quantitative bounds on Lorentz symmetry violation in the neutrino sector have been obtained by analyzing existing laboratory data on neutron $\beta$ decay and pion leptonic decays. In particular some parameters appearing in the energy-momentum dispersion relations for $\nu_e$ and $\nu_\mu$ have been constrained in two ...
1503.04771
Beatriz Gato-Rivera
Beatriz Gato-Rivera
Constraining Extra Space Dimensions using Precision Molecular Spectroscopy
Talk given at the "Seventh International Workshop DICE2014 Spacetime - Matter - Quantum Mechanics", Castiglioncello (Italy) 15-19 September 2014, to appear in the proceedings. 9 pages, 1 figure
null
null
IFF-FM-2014-14
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Highly accurate measurements of quantum level energies in molecular systems provide a test ground for new physics, as such effects could manifest themselves as minute shifts in the quantum level structures of atoms and molecules. For the lightest molecular systems, neutral molecular hydrogen (H$_2$, HD and D$_2$) and...
[ { "created": "Fri, 13 Mar 2015 19:14:42 GMT", "version": "v1" } ]
2015-03-17
[ [ "Gato-Rivera", "Beatriz", "" ] ]
Highly accurate measurements of quantum level energies in molecular systems provide a test ground for new physics, as such effects could manifest themselves as minute shifts in the quantum level structures of atoms and molecules. For the lightest molecular systems, neutral molecular hydrogen (H$_2$, HD and D$_2$) and t...
hep-ph/9305297
Don Pedro
E. Bagan & P. Gosdzinsky
Renormalizabilty of TH Heavy Quark Effective Theory
LATEX/10 pages/ UAB-FT-314/ (References have been added.) figures (PS) available on request. Unfortunately some mails asking for copies by conventional mail were lost. Please resend requests
Phys.Lett. B320 (1994) 123-129
10.1016/0370-2693(94)90834-6
null
hep-ph
null
We show that the Heavy Quark Effective Theory is renormalizable perturbatively. We also show that there exist renormalization schemes in which the infinite quark mass limit of any QCD Green function is exactly given by the corresponding Green function of the Heavy Quark Effective Theory. All this is accomplished whil...
[ { "created": "Fri, 21 May 1993 10:52:16 GMT", "version": "v1" }, { "created": "Fri, 2 Jul 1993 09:05:30 GMT", "version": "v2" } ]
2009-10-22
[ [ "Bagan", "E.", "" ], [ "Gosdzinsky", "P.", "" ] ]
We show that the Heavy Quark Effective Theory is renormalizable perturbatively. We also show that there exist renormalization schemes in which the infinite quark mass limit of any QCD Green function is exactly given by the corresponding Green function of the Heavy Quark Effective Theory. All this is accomplished while ...
hep-ph/9404236
null
V. Bernard, N. Kaiser and Ulf-G. Mei{\ss}ner
The Reaction $\pi N \to \pi \pi N$ at Threshold
7 pp, LateX (uses epsf.sty), 3 figures appended as ps files (split off as ppnf1.ps,ppnf2.ps,ppnf3.ps), CRN 94/19
Phys.Lett. B332 (1994) 415-418; Erratum-ibid. B338 (1994) 520
10.1016/0370-2693(94)91274-2
null
hep-ph nucl-th
null
We consider the chiral expansion for the reaction $\pi N \to \pi \pi N$ in heavy baryon chiral perturbation theory. To order $M_\pi$ we derive novel low--energy theorems that compare favorably with recent determinations of the total cross sections for $\pi^+ p \to \pi^+ \pi^+ n$ and $\pi^- p \to \pi^0 \pi^0 n$.
[ { "created": "Fri, 8 Apr 1994 09:21:55 GMT", "version": "v1" } ]
2009-10-28
[ [ "Bernard", "V.", "" ], [ "Kaiser", "N.", "" ], [ "Meißner", "Ulf-G.", "" ] ]
We consider the chiral expansion for the reaction $\pi N \to \pi \pi N$ in heavy baryon chiral perturbation theory. To order $M_\pi$ we derive novel low--energy theorems that compare favorably with recent determinations of the total cross sections for $\pi^+ p \to \pi^+ \pi^+ n$ and $\pi^- p \to \pi^0 \pi^0 n$.
0912.0479
Oleksandr Zhmudskyy O
K. S. Karplyuk
On the description of vector bosons
4 pages
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A new way of describing massive vector bosons is proposed. It is possible to change the boson propagator in such way that the theory with the vector boson interaction becomes a renormalized one. One example of the efficacy of such a description is shown using the example of the weak interaction of charged currents.
[ { "created": "Wed, 2 Dec 2009 17:56:10 GMT", "version": "v1" } ]
2009-12-03
[ [ "Karplyuk", "K. S.", "" ] ]
A new way of describing massive vector bosons is proposed. It is possible to change the boson propagator in such way that the theory with the vector boson interaction becomes a renormalized one. One example of the efficacy of such a description is shown using the example of the weak interaction of charged currents.
1906.10534
Giuseppe Bevilacqua
Giuseppe Bevilacqua
On the ratio of $t\bar{t}\gamma$ and $t\bar{t}$ cross sections at the LHC
6 pages, 1 figure, 1 table. To appear in the Proceedings of the XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS 2019), 8-12 April 2019, Torino, Italy. Modified to comply with page limit restrictions
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the ratio of the cross sections for $t\bar{t}\gamma$ and $t\bar{t}$ production at the LHC. The presence of correlations between theoretical uncertainties of the two processes makes possible a precise determination of this observable. This can help to evidentiate effects of new physics that might reveal thems...
[ { "created": "Tue, 25 Jun 2019 13:56:37 GMT", "version": "v1" }, { "created": "Sun, 30 Jun 2019 17:17:22 GMT", "version": "v2" } ]
2019-07-02
[ [ "Bevilacqua", "Giuseppe", "" ] ]
We study the ratio of the cross sections for $t\bar{t}\gamma$ and $t\bar{t}$ production at the LHC. The presence of correlations between theoretical uncertainties of the two processes makes possible a precise determination of this observable. This can help to evidentiate effects of new physics that might reveal themsel...
1005.2956
Dani\"el Boer
Daniel Boer, Wilco J. den Dunnen
Bounding W-W' mixing with spin asymmetries at RHIC
4 pages, 2 eps figures, minor modifications, mainly in the introduction, table 1 and figure 2, conclusions unchanged, version accepted for publication in Physical Review Letters
Phys.Rev.Lett.105:071801,2010
10.1103/PhysRevLett.105.071801
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The W boson can obtain a small right-handed coupling to quarks and leptons through mixing with a hypothetical W' boson that appears in many extensions of the Standard Model. Measuring or even bounding this coupling to the light quarks is very challenging. Only one model independent bound on the absolute value of the ...
[ { "created": "Mon, 17 May 2010 15:33:11 GMT", "version": "v1" }, { "created": "Fri, 16 Jul 2010 08:39:56 GMT", "version": "v2" } ]
2014-11-21
[ [ "Boer", "Daniel", "" ], [ "Dunnen", "Wilco J. den", "" ] ]
The W boson can obtain a small right-handed coupling to quarks and leptons through mixing with a hypothetical W' boson that appears in many extensions of the Standard Model. Measuring or even bounding this coupling to the light quarks is very challenging. Only one model independent bound on the absolute value of the co...
1601.05771
Henry Lamm IV
Henry Lamm, Richard F. Lebed
Nonperturbative True Muonium on the Light Front with TMSWIFT
5 pages, 2 figures. Proceedings of Light Cone 2015, INFN Frascati, September 21-25, 2015
Few-Body Systems (2016) 1-5
10.1007/s00601-016-1075-3
null
hep-ph nucl-th physics.comp-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The true muonium $(\mu\bar{\mu})$ bound state presents an interesting test of light-cone quantization techniques. In addition to exhibiting the standard problems of handling non-perturbative calculations, true muonium requires correct treatment of $e\bar{e}$ Fock-state contributions. Having previously produced a crud...
[ { "created": "Thu, 21 Jan 2016 20:23:23 GMT", "version": "v1" } ]
2016-04-13
[ [ "Lamm", "Henry", "" ], [ "Lebed", "Richard F.", "" ] ]
The true muonium $(\mu\bar{\mu})$ bound state presents an interesting test of light-cone quantization techniques. In addition to exhibiting the standard problems of handling non-perturbative calculations, true muonium requires correct treatment of $e\bar{e}$ Fock-state contributions. Having previously produced a crude ...
hep-ph/9704319
Sergio Lupia
Sergio Lupia and Wolfgang Ochs (Max-Planck-Inst. fuer Physik, Munich)
Low and High Energy Limits of Particle Spectra in QCD Jets
LaTeX2e, 45 pages, 12 figures
Eur.Phys.J.C2:307-324,1998
10.1007/s100520050140
MPI-PhT/97-26
hep-ph
null
Charged particle energy spectra in e+e- annihilation are compared with the analytical predictions from the QCD evolution equation in the Modified Leading Log Approximation. With the nonperturbative initial condition shifted down to threshold as suggested by the Local Parton Hadron Duality picture a good description o...
[ { "created": "Mon, 14 Apr 1997 14:31:15 GMT", "version": "v1" } ]
2011-09-13
[ [ "Lupia", "Sergio", "", "Max-Planck-Inst. fuer Physik, Munich" ], [ "Ochs", "Wolfgang", "", "Max-Planck-Inst. fuer Physik, Munich" ] ]
Charged particle energy spectra in e+e- annihilation are compared with the analytical predictions from the QCD evolution equation in the Modified Leading Log Approximation. With the nonperturbative initial condition shifted down to threshold as suggested by the Local Parton Hadron Duality picture a good description of ...
hep-ph/0411303
Athar Husain
H. Athar
Three neutrino flavor oscillations and the atmospheric tau neutrinos
17 pages, 5 figures
null
null
null
hep-ph astro-ph hep-ex
null
Downward going atmospheric tau neutrino flux is estimated in the presence of three neutrino flavor oscillations for 1 GeV < E < 10^3 GeV. The relative differences between the three and purely two neutrino flavor oscillations are elaborated. As an implication, the downward going atmospheric tau neutrino flux is comp...
[ { "created": "Tue, 23 Nov 2004 07:36:03 GMT", "version": "v1" } ]
2016-09-06
[ [ "Athar", "H.", "" ] ]
Downward going atmospheric tau neutrino flux is estimated in the presence of three neutrino flavor oscillations for 1 GeV < E < 10^3 GeV. The relative differences between the three and purely two neutrino flavor oscillations are elaborated. As an implication, the downward going atmospheric tau neutrino flux is compared...
hep-ph/0102076
Daniele Montanino
D. Montanino (Lecce U.)
Solar neutrino oscillations in the quasi-vacuum regime
4 pages, 2 figures. Talk given at Europhysics Neutrino Oscillation Workshop (NOW 2000), Conca Specchiulla, Otranto, Lecce, Italy, 9-16 Sep 2000. Figure 2 corrected
Nucl.Phys.Proc.Suppl. 100 (2001) 51-54
10.1016/S0920-5632(01)01408-6
hep-ph/0102076
hep-ph
null
Motivated by recent experimental data, we study solar neutrino oscillations in the range 10^-10 < delta m^2/E < 10^-7 eV^2/MeV. In this range vacuum oscillations become increasingly affected by (solar and terrestrial) matter effects for increasing delta m^2, smoothly reaching the MSW regime. A numerical study of matt...
[ { "created": "Wed, 7 Feb 2001 07:23:45 GMT", "version": "v1" }, { "created": "Mon, 12 Feb 2001 14:43:49 GMT", "version": "v2" }, { "created": "Tue, 13 Feb 2001 17:07:02 GMT", "version": "v3" } ]
2009-11-07
[ [ "Montanino", "D.", "", "Lecce U." ] ]
Motivated by recent experimental data, we study solar neutrino oscillations in the range 10^-10 < delta m^2/E < 10^-7 eV^2/MeV. In this range vacuum oscillations become increasingly affected by (solar and terrestrial) matter effects for increasing delta m^2, smoothly reaching the MSW regime. A numerical study of matter...
1908.08671
Hong-Shi Zong
Zheng Zhang, Chao Shi and Hongshi Zong
Nambu-Jona-Lasinio model in a sphere
null
Phys. Rev. D 101, 043006 (2020)
10.1103/PhysRevD.101.043006
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the chiral phase transition of the two flavor Nambu-Jona-Lasinio (NJL) model in a sphere with the MIT boundary condition. We find that the MIT boundary condition results in much stronger finite size effects than the antiperiodic boundary condition. Our work may be helpful to study the finite size effects in ...
[ { "created": "Fri, 23 Aug 2019 05:32:47 GMT", "version": "v1" }, { "created": "Sun, 15 Dec 2019 13:12:50 GMT", "version": "v2" }, { "created": "Thu, 23 Jan 2020 08:16:25 GMT", "version": "v3" } ]
2020-02-19
[ [ "Zhang", "Zheng", "" ], [ "Shi", "Chao", "" ], [ "Zong", "Hongshi", "" ] ]
We study the chiral phase transition of the two flavor Nambu-Jona-Lasinio (NJL) model in a sphere with the MIT boundary condition. We find that the MIT boundary condition results in much stronger finite size effects than the antiperiodic boundary condition. Our work may be helpful to study the finite size effects in he...
hep-ph/0106127
Alexander Kusenko
J. M. Cornwall, D. Grigoriev, A. Kusenko
Resonant Amplification of Electroweak Baryogenesis at Preheating
51 pages, 8 figues; minor corrections; references added
Phys.Rev.D64:123518,2001
10.1103/PhysRevD.64.123518
UCLA/01/TEP/10
hep-ph astro-ph
null
We explore viable scenarios for parametric resonant amplification of electroweak (EW) gauge fields and Chern-Simons number during preheating, leading to baryogenesis at the electroweak (EW) scale. In this class of scenarios time-dependent classical EW gauge fields, essentially spatially-homogeneous on the horizon sca...
[ { "created": "Tue, 12 Jun 2001 19:00:14 GMT", "version": "v1" }, { "created": "Thu, 23 Aug 2001 18:15:14 GMT", "version": "v2" } ]
2014-11-17
[ [ "Cornwall", "J. M.", "" ], [ "Grigoriev", "D.", "" ], [ "Kusenko", "A.", "" ] ]
We explore viable scenarios for parametric resonant amplification of electroweak (EW) gauge fields and Chern-Simons number during preheating, leading to baryogenesis at the electroweak (EW) scale. In this class of scenarios time-dependent classical EW gauge fields, essentially spatially-homogeneous on the horizon scale...
0806.4626
Toshiyuki Osaka
Takeshi Fukuyama, Nobuchika Okada and Toshiyuki Osaka
Realistic Hybrid Inflation in 5D Orbifold SO(10) GUT
14 pages, 7 figures
JCAP 0809:024,2008
10.1088/1475-7516/2008/09/024
null
hep-ph astro-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the smooth hybrid inflation scenario in the context of a simple supersymmetric SO(10) GUT in 5D orbifold. In this GUT model, the SO(10) gauge symmetry is broken down to the Pati-Salam (PS) gauge group, SU(4)$_c \times$ SU(2)$_L \times$ SU(2)$_R$, by orbifold boundary conditions and all matter and Higgs mul...
[ { "created": "Fri, 27 Jun 2008 22:17:22 GMT", "version": "v1" } ]
2009-02-09
[ [ "Fukuyama", "Takeshi", "" ], [ "Okada", "Nobuchika", "" ], [ "Osaka", "Toshiyuki", "" ] ]
We discuss the smooth hybrid inflation scenario in the context of a simple supersymmetric SO(10) GUT in 5D orbifold. In this GUT model, the SO(10) gauge symmetry is broken down to the Pati-Salam (PS) gauge group, SU(4)$_c \times$ SU(2)$_L \times$ SU(2)$_R$, by orbifold boundary conditions and all matter and Higgs multi...
hep-ph/9312361
Anirban Kundu
A. Kundu, S. Raychaudhuri, T. De and B. Dutta-Roy
Radiative Corrections to $\zbb$ from Colored Scalars in a Model with Dynamical Symmetry Breaking
9 pages + 3 figures (available upon request), TeX file. Saha Institute Preprint no. SINP-TNP/93-22 (December 1993)
Phys.Rev. D50 (1994) 6872-6876
10.1103/PhysRevD.50.6872
null
hep-ph
null
Isodoublet color-octet scalar bosons appear in the low-energy limit of a natural extension of the Standard Model in which the electroweak symmetry is broken by a $t\bar t$ condensate. We briefly discuss the model and show that radiative corrections (involving these scalars) to the branching ratio $R_b=\Gamma (Z\right...
[ { "created": "Fri, 31 Dec 1993 14:15:15 GMT", "version": "v1" } ]
2009-10-22
[ [ "Kundu", "A.", "" ], [ "Raychaudhuri", "S.", "" ], [ "De", "T.", "" ], [ "Dutta-Roy", "B.", "" ] ]
Isodoublet color-octet scalar bosons appear in the low-energy limit of a natural extension of the Standard Model in which the electroweak symmetry is broken by a $t\bar t$ condensate. We briefly discuss the model and show that radiative corrections (involving these scalars) to the branching ratio $R_b=\Gamma (Z\rightar...
hep-ph/9809536
C.-P. Yuan
C.-P. Yuan (Michigan State University)
Top Quark and Electroweak Symmetry Breaking Mechanism
9 pages, Latex; Talk given at the International Seminar ``Quarks-98'', May 17-24, 1998, Suzdal, Russia
null
null
MSUHEP-80828
hep-ph
null
After a brief comment on the role of top quark in models of electroweak symmetry breaking (EWSB), I shall discuss what we know about top quark interaction and how to improve that knowledge. Since bottom quark is the weak isospin partner of the top quark, its interaction with a scalar boson may also distinguish models...
[ { "created": "Fri, 25 Sep 1998 16:11:21 GMT", "version": "v1" } ]
2007-05-23
[ [ "Yuan", "C. -P.", "", "Michigan State University" ] ]
After a brief comment on the role of top quark in models of electroweak symmetry breaking (EWSB), I shall discuss what we know about top quark interaction and how to improve that knowledge. Since bottom quark is the weak isospin partner of the top quark, its interaction with a scalar boson may also distinguish models o...
1503.08056
Osamu Yasuda
Shinya Fukasawa, Osamu Yasuda
Constraints on the non-standard interaction in propagation from atmospheric neutrinos
17 pages, 14 figures, uses jheppub.sty
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The sensitivity of the atmospheric neutrino experiments to the non-standard flavor-dependent interaction in neutrino propagation is studied under the assumption that the only nonvanishing components of the non-standard matter effect are the electron and tau neutrino components $\epsilon_{ee}$, $\epsilon_{e\tau}$, $\e...
[ { "created": "Fri, 27 Mar 2015 12:56:09 GMT", "version": "v1" } ]
2015-03-30
[ [ "Fukasawa", "Shinya", "" ], [ "Yasuda", "Osamu", "" ] ]
The sensitivity of the atmospheric neutrino experiments to the non-standard flavor-dependent interaction in neutrino propagation is studied under the assumption that the only nonvanishing components of the non-standard matter effect are the electron and tau neutrino components $\epsilon_{ee}$, $\epsilon_{e\tau}$, $\eps...
hep-ph/0510054
Tatsuru Kikuchi
Takeshi Fukuyama, Tatsuru Kikuchi, and Koichi Matsuda
Constraint on the heavy sterile neutrino mixing angles in the SO(10) model with double see-saw mechanism
16 pages, 4 figures; the version to be published in Eur. Phys. J. C
Eur.Phys.J.C55:623-628,2008
10.1140/epjc/s10052-008-0624-4
null
hep-ph hep-ex
null
Constraints on the heavy sterile neutrino mixing angles are studied in the framework of a minimal supersymmetric ${\rm SO}(10)$ model with {\it double see-saw mechanism}. A new singlet matter in addition to the right-handed neutrinos is introduced to realize the double see-saw mechanism. The minimal ${\rm SO}(10)$ mo...
[ { "created": "Wed, 5 Oct 2005 02:52:07 GMT", "version": "v1" }, { "created": "Tue, 22 Apr 2008 17:47:59 GMT", "version": "v2" } ]
2008-11-26
[ [ "Fukuyama", "Takeshi", "" ], [ "Kikuchi", "Tatsuru", "" ], [ "Matsuda", "Koichi", "" ] ]
Constraints on the heavy sterile neutrino mixing angles are studied in the framework of a minimal supersymmetric ${\rm SO}(10)$ model with {\it double see-saw mechanism}. A new singlet matter in addition to the right-handed neutrinos is introduced to realize the double see-saw mechanism. The minimal ${\rm SO}(10)$ mode...
1908.04335
Sabyasachi Ghosh
Jayanta Dey, Sarthak Satapathy, Ankita Mishra, Souvik Paul, Sabyasachi Ghosh
From Non-interacting to Interacting Picture of Quark Gluon Plasma in presence of magnetic field and its fluid property
Accepted in IJMPE
null
null
null
hep-ph nucl-th
http://creativecommons.org/licenses/by/4.0/
We have attempted to build a parametric based simplified and analytical model to map the interaction of quarks and gluons in presence of magnetic field, which has been constrained by quark condensate and thermodynamical quantities like pressure, energy density etc., obtained from the calculation of lattice quantum ch...
[ { "created": "Mon, 12 Aug 2019 18:46:36 GMT", "version": "v1" }, { "created": "Mon, 28 Jun 2021 12:19:58 GMT", "version": "v2" } ]
2021-06-29
[ [ "Dey", "Jayanta", "" ], [ "Satapathy", "Sarthak", "" ], [ "Mishra", "Ankita", "" ], [ "Paul", "Souvik", "" ], [ "Ghosh", "Sabyasachi", "" ] ]
We have attempted to build a parametric based simplified and analytical model to map the interaction of quarks and gluons in presence of magnetic field, which has been constrained by quark condensate and thermodynamical quantities like pressure, energy density etc., obtained from the calculation of lattice quantum chro...
hep-ph/0207342
Evgeny Akhmedov
E.Kh. Akhmedov
Neutrino oscillations beyond two flavours
LaTeX, 10 pages, 5 figures, Invited talk at the XXth Internat. Conf. on Neutrino Physics and Astrophysics (Neutrino 2002), Munich, Germany, May 25-30, 2002
Nucl.Phys.Proc.Suppl.118:245-254,2003
10.1016/S0920-5632(03)01322-7
null
hep-ph astro-ph hep-ex
null
I review some theoretical aspects of neutrino oscillations in the case when more than two neutrino flavours are involved. These include: approximate analytic solutions for 3-flavour (3f) oscillations in matter; matter effects in nu_mu - nu_tau oscillations; 3f effects in oscillations of solar, atmospheric, reactor an...
[ { "created": "Mon, 29 Jul 2002 15:21:21 GMT", "version": "v1" } ]
2008-11-26
[ [ "Akhmedov", "E. Kh.", "" ] ]
I review some theoretical aspects of neutrino oscillations in the case when more than two neutrino flavours are involved. These include: approximate analytic solutions for 3-flavour (3f) oscillations in matter; matter effects in nu_mu - nu_tau oscillations; 3f effects in oscillations of solar, atmospheric, reactor and ...
hep-ph/0005163
Chien-Wen Hwang
Chien-Wen Hwang
Charge and Transition Form Factors of Light Mesons with Light-Front Quark Model
11 pages, 4 figures. We changed the treatment of eta-eta' mixing
Eur.Phys.J.C19:105-111,2001
10.1007/s100520100584
NCTU-HEP-0003
hep-ph
null
The charge and transition form factors of pion ($F_\pi$, $F_{\pi\gamma}$, and $F_{\pi\gamma^*}$) are studied with the light-front quark model. We find that our results for $F_\pi$ and $F_{\pi\gamma}$ agree very well with experimental data. Furthermore, the decay constants of $\eta$ and $\eta'$ are evaluated. We also ...
[ { "created": "Wed, 17 May 2000 08:12:03 GMT", "version": "v1" }, { "created": "Mon, 29 May 2000 08:46:45 GMT", "version": "v2" } ]
2009-01-07
[ [ "Hwang", "Chien-Wen", "" ] ]
The charge and transition form factors of pion ($F_\pi$, $F_{\pi\gamma}$, and $F_{\pi\gamma^*}$) are studied with the light-front quark model. We find that our results for $F_\pi$ and $F_{\pi\gamma}$ agree very well with experimental data. Furthermore, the decay constants of $\eta$ and $\eta'$ are evaluated. We also ca...
1111.3255
Antoni Szczurek
Marta Luszczak, Rafal Maciula and Antoni Szczurek
Production of two $c \bar c$ pairs in double-parton scattering
8 pages, 6 figures
null
10.1103/PhysRevD.85.094034
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss production of two pairs of $c \bar c$ within a simple formalism of double-parton scattering (DPS). Surprisingly very large cross sections, comparable to single-parton scattering (SPS) contribution, are predicted for LHC energies. Both total inclusive cross section as a function of energy and differential d...
[ { "created": "Mon, 14 Nov 2011 15:50:49 GMT", "version": "v1" } ]
2015-06-03
[ [ "Luszczak", "Marta", "" ], [ "Maciula", "Rafal", "" ], [ "Szczurek", "Antoni", "" ] ]
We discuss production of two pairs of $c \bar c$ within a simple formalism of double-parton scattering (DPS). Surprisingly very large cross sections, comparable to single-parton scattering (SPS) contribution, are predicted for LHC energies. Both total inclusive cross section as a function of energy and differential dis...
1605.02797
Bob Stienen
Sascha Caron, Jong Soo Kim, Krzysztof Rolbiecki, Roberto Ruiz de Austri and Bob Stienen
The BSM-AI project: SUSY-AI - Generalizing LHC limits on Supersymmetry with Machine Learning
null
Eur. Phys. J. C (2017) 77: 257
10.1140/epjc/s10052-017-4814-9
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A key research question at the Large Hadron Collider (LHC) is the test of models of new physics. Testing if a particular parameter set of such a model is excluded by LHC data is a challenge: It requires the time consuming generation of scattering events, the simulation of the detector response, the event reconstructi...
[ { "created": "Mon, 9 May 2016 22:11:47 GMT", "version": "v1" }, { "created": "Wed, 22 Jun 2016 17:33:09 GMT", "version": "v2" }, { "created": "Wed, 26 Apr 2017 11:50:27 GMT", "version": "v3" } ]
2017-04-27
[ [ "Caron", "Sascha", "" ], [ "Kim", "Jong Soo", "" ], [ "Rolbiecki", "Krzysztof", "" ], [ "de Austri", "Roberto Ruiz", "" ], [ "Stienen", "Bob", "" ] ]
A key research question at the Large Hadron Collider (LHC) is the test of models of new physics. Testing if a particular parameter set of such a model is excluded by LHC data is a challenge: It requires the time consuming generation of scattering events, the simulation of the detector response, the event reconstruction...
1511.00031
Angel Gomez Nicola
Santiago Cortes, Angel Gomez Nicola and John Morales
Large-$N$ pion scattering at finite temperature: the $f_0(500)$ and chiral restoration
24 pages, 12 figures. Funding agency added in the Acknowledgments
Phys. Rev. D 93, 036001 (2016)
10.1103/PhysRevD.93.036001
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the $O(N+1)/O(N)$ Non-Linear Sigma Model for large $N$ as an effective theory for low-energy QCD at finite temperature $T$, in the chiral limit. At $T=0$ this formulation provides a good description of scattering data in the scalar channel and generates dynamically the $f_0(500)$ pole, the pole position l...
[ { "created": "Fri, 30 Oct 2015 21:11:35 GMT", "version": "v1" }, { "created": "Fri, 8 Jan 2016 07:45:56 GMT", "version": "v2" }, { "created": "Fri, 13 May 2016 19:07:26 GMT", "version": "v3" } ]
2016-05-16
[ [ "Cortes", "Santiago", "" ], [ "Nicola", "Angel Gomez", "" ], [ "Morales", "John", "" ] ]
We consider the $O(N+1)/O(N)$ Non-Linear Sigma Model for large $N$ as an effective theory for low-energy QCD at finite temperature $T$, in the chiral limit. At $T=0$ this formulation provides a good description of scattering data in the scalar channel and generates dynamically the $f_0(500)$ pole, the pole position lyi...
1011.1246
Daniel Feldman
Ning Chen, Daniel Feldman, Zuowei Liu, Pran Nath, and Gregory Peim
Low Mass Gluino within the Sparticle Landscape, Implications for Dark Matter, and Early Discovery Prospects at LHC-7
37 pages, 8 figures, Published in PRD
Phys.Rev.D83:035005,2011
10.1103/PhysRevD.83.035005
null
hep-ph astro-ph.HE hep-ex hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyze supergravity models that predict a low mass gluino within the landscape of sparticle mass hierarchies. The analysis includes a broad class of models that arise in minimal and in non-minimal supergravity unified frameworks and in extended models with additional $U(1)^n_X$ hidden sector gauge symmetries. Glu...
[ { "created": "Thu, 4 Nov 2010 19:42:46 GMT", "version": "v1" }, { "created": "Thu, 24 Feb 2011 02:26:36 GMT", "version": "v2" } ]
2011-02-25
[ [ "Chen", "Ning", "" ], [ "Feldman", "Daniel", "" ], [ "Liu", "Zuowei", "" ], [ "Nath", "Pran", "" ], [ "Peim", "Gregory", "" ] ]
We analyze supergravity models that predict a low mass gluino within the landscape of sparticle mass hierarchies. The analysis includes a broad class of models that arise in minimal and in non-minimal supergravity unified frameworks and in extended models with additional $U(1)^n_X$ hidden sector gauge symmetries. Gluin...
hep-ph/9208261
L. Kaschluhn
Yu. L. Kalinovsky, L. Kaschluhn
Bilocal Field Approach and Semileptonic Heavy Meson Decays
27 pages and 2 figures (available upon request), DESY 92-071
null
null
null
hep-ph
null
In this paper we consider the bilocal field approach for $QCD$. We obtain a bilocal effective meson action with a potential kernel given in relativistic covariant form. The corresponding Schwinger--Dyson and Bethe--Salpeter equations are investigated in detail. By introducing weak interactions into the theory we stud...
[ { "created": "Mon, 31 Aug 1992 08:09:00 GMT", "version": "v1" } ]
2007-05-23
[ [ "Kalinovsky", "Yu. L.", "" ], [ "Kaschluhn", "L.", "" ] ]
In this paper we consider the bilocal field approach for $QCD$. We obtain a bilocal effective meson action with a potential kernel given in relativistic covariant form. The corresponding Schwinger--Dyson and Bethe--Salpeter equations are investigated in detail. By introducing weak interactions into the theory we study ...
1501.05713
Motohiko Yoshimura
M. Yoshimura, N. Sasao, and M. Tanaka
Radiative emission of neutrino pair free of quantum electrodynamic backgrounds
13 pages, 7 figures
null
10.1093/ptep/ptv064
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A scheme of quantum electrodynamic (QED) background-free radiative emission of neutrino pair (RENP) is proposed in order to achieve precision determination of neutrino properties so far not accessible. The important point for the background rejection is the fact that the dispersion relation between wave vector along ...
[ { "created": "Fri, 23 Jan 2015 05:03:17 GMT", "version": "v1" } ]
2016-06-21
[ [ "Yoshimura", "M.", "" ], [ "Sasao", "N.", "" ], [ "Tanaka", "M.", "" ] ]
A scheme of quantum electrodynamic (QED) background-free radiative emission of neutrino pair (RENP) is proposed in order to achieve precision determination of neutrino properties so far not accessible. The important point for the background rejection is the fact that the dispersion relation between wave vector along pr...
hep-ph/0505228
Karolis Tamosiunas
L.P. Csernai, V.K. Magas, E. Molnar, A. Nyiri and K. Tamosiunas
Modified Boltzmann Transport Equation and Freeze Out
9 pages, 2 figures
Eur.Phys.J. A25 (2005) 65-73
10.1140/epja/i2004-10251-1
null
hep-ph
null
We study Freeze Out process in high energy heavy ion reaction. The description of the process is based on the Boltzmann Transport Equation (BTE). We point out the basic limitations of the BTE approach and introduce Modified BTE. The Freeze Out dynamics is presented in the 4-dimensional space-time in a layer of finite...
[ { "created": "Thu, 26 May 2005 20:20:26 GMT", "version": "v1" } ]
2020-05-20
[ [ "Csernai", "L. P.", "" ], [ "Magas", "V. K.", "" ], [ "Molnar", "E.", "" ], [ "Nyiri", "A.", "" ], [ "Tamosiunas", "K.", "" ] ]
We study Freeze Out process in high energy heavy ion reaction. The description of the process is based on the Boltzmann Transport Equation (BTE). We point out the basic limitations of the BTE approach and introduce Modified BTE. The Freeze Out dynamics is presented in the 4-dimensional space-time in a layer of finite t...
hep-ph/0602110
Vladimir Galkin
D. Ebert, R. N. Faustov, V. O. Galkin
Relativistic treatment of the decay constants of light and heavy mesons
9 pages, 1 figure, minor changes, version published in Phys.Lett.B
Phys.Lett. B635 (2006) 93-99
10.1016/j.physletb.2006.02.042
HU-EP-06/04
hep-ph
null
Novel relativistic expressions are used to calculate the weak decay constants of pseudoscalar and vector mesons within the constituent quark model. Meson wave functions satisfy the quasipotential equation with the complete relativistic potential. New contributions, coming from the negative-energy quark states, are su...
[ { "created": "Mon, 13 Feb 2006 12:44:15 GMT", "version": "v1" }, { "created": "Thu, 13 Apr 2006 10:58:17 GMT", "version": "v2" } ]
2009-11-11
[ [ "Ebert", "D.", "" ], [ "Faustov", "R. N.", "" ], [ "Galkin", "V. O.", "" ] ]
Novel relativistic expressions are used to calculate the weak decay constants of pseudoscalar and vector mesons within the constituent quark model. Meson wave functions satisfy the quasipotential equation with the complete relativistic potential. New contributions, coming from the negative-energy quark states, are subs...
1704.04160
Vladimir Karmanov
J. Carbonell, T. Frederico and V.A. Karmanov
Bound state equation for the Nakanishi weight function
12 pages, 1 figure, to appear in Phys. Lett. B
null
10.1016/j.physletb.2017.04.016
null
hep-ph hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The bound state Bethe-Salpeter amplitude was expressed by Nakanishi using a two-dimensional integral representation, in terms of a smooth weight function $g$, which carries the detailed dynamical information. A similar, but one-dimensional, integral representation can be obtained for the Light-Front wave function in ...
[ { "created": "Thu, 13 Apr 2017 14:52:24 GMT", "version": "v1" } ]
2017-05-24
[ [ "Carbonell", "J.", "" ], [ "Frederico", "T.", "" ], [ "Karmanov", "V. A.", "" ] ]
The bound state Bethe-Salpeter amplitude was expressed by Nakanishi using a two-dimensional integral representation, in terms of a smooth weight function $g$, which carries the detailed dynamical information. A similar, but one-dimensional, integral representation can be obtained for the Light-Front wave function in te...
hep-ph/9708213
Lisi Eligio
G.L. Fogli, E. Lisi, and A. Marrone (Bari U. & INFN, Bari)
Upward-going muons and neutrino oscillations
19 pages (RevTeX) + 6 figures (postscript). Requires epsfig.sty
Phys.Rev.D57:5893-5902,1998
10.1103/PhysRevD.57.5893
BARI-TH-280-97
hep-ph
null
The available upward-going muon data from the Kamiokande, Baksan, MACRO, IMB, and SuperKamiokande experiments are reviewed and combined. Bounds on the neutrino mass and mixing parameters are derived for oscillations in two and three flavors. These bounds are not in significant conflict with the oscillation solution t...
[ { "created": "Fri, 1 Aug 1997 14:57:01 GMT", "version": "v1" } ]
2009-10-07
[ [ "Fogli", "G. L.", "", "Bari U. & INFN, Bari" ], [ "Lisi", "E.", "", "Bari U. & INFN, Bari" ], [ "Marrone", "A.", "", "Bari U. & INFN, Bari" ] ]
The available upward-going muon data from the Kamiokande, Baksan, MACRO, IMB, and SuperKamiokande experiments are reviewed and combined. Bounds on the neutrino mass and mixing parameters are derived for oscillations in two and three flavors. These bounds are not in significant conflict with the oscillation solution to ...
1107.0889
Charles Gale
Maxime Dion, Charles Gale, Sangyong Jeon, Jean-Francois Paquet, Bjoern Schenke, Clint Young
Photons at RHIC: The role of viscosity and of initial state fluctuations
Talk given at the 22nd International Conference On Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2011), Annecy, France, May 23 - 28, 2011. 4 pages, 3 figures
null
10.1088/0954-3899/38/12/124138
null
hep-ph nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study real photons produced in heavy ion collisions at RHIC, and we calculate their spectrum and its azimuthal momentum anisotropy. The photons from a variety of sources are included, and the interplay and the time-evolution of those sources are modelled in a full 3D hydrodynamic simulation. We quantify the v_2 of...
[ { "created": "Tue, 5 Jul 2011 14:57:23 GMT", "version": "v1" } ]
2015-05-28
[ [ "Dion", "Maxime", "" ], [ "Gale", "Charles", "" ], [ "Jeon", "Sangyong", "" ], [ "Paquet", "Jean-Francois", "" ], [ "Schenke", "Bjoern", "" ], [ "Young", "Clint", "" ] ]
We study real photons produced in heavy ion collisions at RHIC, and we calculate their spectrum and its azimuthal momentum anisotropy. The photons from a variety of sources are included, and the interplay and the time-evolution of those sources are modelled in a full 3D hydrodynamic simulation. We quantify the v_2 of t...
1911.06840
Pedro Cal
Pedro Cal, Duff Neill, Felix Ringer, Wouter J. Waalewijn
Calculating the angle between jet axes
39 pages, 13 figures
null
10.1007/JHEP04(2020)211
NIKHEF 2019-052
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the angle between i) the standard jet axis, ii) the axis of a jet which has been groomed using soft drop, with reduced sensitivity to soft radiation, iii) the jet axis obtained with the winner-take-all recombination scheme, which is insensitive to soft radiation at leading power. We calculate the distributio...
[ { "created": "Fri, 15 Nov 2019 19:18:22 GMT", "version": "v1" }, { "created": "Mon, 9 May 2022 19:47:51 GMT", "version": "v2" } ]
2022-05-11
[ [ "Cal", "Pedro", "" ], [ "Neill", "Duff", "" ], [ "Ringer", "Felix", "" ], [ "Waalewijn", "Wouter J.", "" ] ]
We study the angle between i) the standard jet axis, ii) the axis of a jet which has been groomed using soft drop, with reduced sensitivity to soft radiation, iii) the jet axis obtained with the winner-take-all recombination scheme, which is insensitive to soft radiation at leading power. We calculate the distributions...
1809.00799
J.D. Vergados
J.D. Vergados (Physics Department, University of Ioannina, Ioannina, Greece) and D. Strottman (LANL, Los Alamos, NM, USA)
Symmetries in subatomic multi-quark systems
8 figures, 24 tables
null
10.1142/S0218301318400037
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discus the role of QCD (Quantum Chromodynamics) to low energy phenomena involving the color-spin symmetry of the quark model. We then combine it with orbital and isospin symmetry to obtain wave functions with the proper permutation symmetry, focusing on multi quark systems.
[ { "created": "Tue, 4 Sep 2018 05:19:56 GMT", "version": "v1" }, { "created": "Mon, 10 Sep 2018 15:29:36 GMT", "version": "v2" } ]
2019-05-01
[ [ "Vergados", "J. D.", "", "Physics Department, University of Ioannina, Ioannina,\n Greece" ], [ "Strottman", "D.", "", "LANL, Los Alamos, NM, USA" ] ]
We discus the role of QCD (Quantum Chromodynamics) to low energy phenomena involving the color-spin symmetry of the quark model. We then combine it with orbital and isospin symmetry to obtain wave functions with the proper permutation symmetry, focusing on multi quark systems.
1212.3440
Riccardo Barbieri
Riccardo Barbieri
ICHEP2012 Physics Highlights
12 pages, 5 figures, ICHEP2012, Melbourne
null
null
null
hep-ph hep-ex
http://creativecommons.org/licenses/by-nc-sa/3.0/
I describe some of the highlights of ICHEP2012 with an eye to the current status of particle physics.
[ { "created": "Fri, 14 Dec 2012 10:57:57 GMT", "version": "v1" } ]
2012-12-17
[ [ "Barbieri", "Riccardo", "" ] ]
I describe some of the highlights of ICHEP2012 with an eye to the current status of particle physics.
2301.04432
Mao-Jun Yan
Mao-Jun Yan, Jorgivan M. Dias, Adolfo Guevara, Feng-Kun Guo and Bing-Song Zou
On the $\eta_1(1855)$, $\pi_1(1400)$ and $\pi_1(1600)$ as dynamically generated states and their SU(3) partners
Accepted for publication in Universe with a DOI link https://doi.org/10.3390/universe9020109
Universe 2023, 9(2), 109
10.3390/universe9020109
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work, we interpret the newly observed $\eta_1(1855)$ resonance with exotic $J^{PC}=1^{-+}$ quantum numbers in the $I=0$ sector, reported by the BESIII Collaboration, as a dynamically generated state from the interaction between the lightest pseudoscalar mesons and axial-vector mesons. The interaction is deriv...
[ { "created": "Wed, 11 Jan 2023 12:21:39 GMT", "version": "v1" }, { "created": "Mon, 20 Feb 2023 13:36:15 GMT", "version": "v2" }, { "created": "Thu, 23 Feb 2023 14:51:35 GMT", "version": "v3" } ]
2023-02-28
[ [ "Yan", "Mao-Jun", "" ], [ "Dias", "Jorgivan M.", "" ], [ "Guevara", "Adolfo", "" ], [ "Guo", "Feng-Kun", "" ], [ "Zou", "Bing-Song", "" ] ]
In this work, we interpret the newly observed $\eta_1(1855)$ resonance with exotic $J^{PC}=1^{-+}$ quantum numbers in the $I=0$ sector, reported by the BESIII Collaboration, as a dynamically generated state from the interaction between the lightest pseudoscalar mesons and axial-vector mesons. The interaction is derived...
1808.08942
Vasiliki Mitsou
S. Baines, N. E. Mavromatos, V. A. Mitsou, J. L. Pinfold and A. Santra
Monopole production via photon fusion and Drell-Yan processes: MADGRAPH implementation and perturbativity via velocity-dependent coupling and magnetic moment as novel features
43 pages, 32 figures; two plots corrected in fig.27 according to erratum EPJC(2019)79:166; no effect on conclusions
Eur.Phys.J. C78 (2018) no.11, 966; Erratum: Eur.Phys.J. C79 (2019) no.2, 166
10.1140/epjc/s10052-018-6440-6
KCL-PH-TH/2018-43, IFIC/18-32
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we consider point-like monopole production via photon-fusion and Drell-Yan processes in the framework of an effective U(1) gauge field theory obtained from conventional models describing the interaction of spin 0, 1/2, 1 magnetically-charged fields with ordinary photons, upon electric-magnetic dualisatio...
[ { "created": "Mon, 27 Aug 2018 17:41:48 GMT", "version": "v1" }, { "created": "Thu, 13 Sep 2018 15:52:45 GMT", "version": "v2" }, { "created": "Mon, 26 Nov 2018 09:48:21 GMT", "version": "v3" }, { "created": "Tue, 26 Feb 2019 16:17:56 GMT", "version": "v4" } ]
2019-02-27
[ [ "Baines", "S.", "" ], [ "Mavromatos", "N. E.", "" ], [ "Mitsou", "V. A.", "" ], [ "Pinfold", "J. L.", "" ], [ "Santra", "A.", "" ] ]
In this work we consider point-like monopole production via photon-fusion and Drell-Yan processes in the framework of an effective U(1) gauge field theory obtained from conventional models describing the interaction of spin 0, 1/2, 1 magnetically-charged fields with ordinary photons, upon electric-magnetic dualisation....
0809.1998
Toru Kojo
Toru Kojo and Daisuke Jido
QCD Sum Rules and 1/$N_c$ expansion: On the low energy dominance and separation of scattering backgrounds
Presented at HSQCD2008, Gatchina, Russia, June 30 - July 4, 2008
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In multiquark correlator analyses with 1/Nc classifications, it is possible to separate the scattering background and to justify the factorization of condensates, which allows us to achieve an isolated peak saturation in the QCD sum rules for multiquark currents. Then we can extract leading Nc properties of the groun...
[ { "created": "Thu, 11 Sep 2008 13:59:10 GMT", "version": "v1" } ]
2008-09-12
[ [ "Kojo", "Toru", "" ], [ "Jido", "Daisuke", "" ] ]
In multiquark correlator analyses with 1/Nc classifications, it is possible to separate the scattering background and to justify the factorization of condensates, which allows us to achieve an isolated peak saturation in the QCD sum rules for multiquark currents. Then we can extract leading Nc properties of the ground ...
1103.4152
Werner Rodejohann
Alexander Dueck, Werner Rodejohann, Kai Zuber
Neutrinoless Double Beta Decay, the Inverted Hierarchy and Precision Determination of theta(12)
26 pages, 6 figures. v2: error corrected (misprint in paper we took a value from), slightly modifying the results
Phys.Rev.D83:113010,2011
10.1103/PhysRevD.83.113010
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Ruling out the inverted neutrino hierarchy with neutrinoless double beta decay experiments is possible if a limit on the effective mass below the minimal theoretically possible value is reached. We stress that this lower limit depends strongly on the value of the solar neutrino mixing angle: it introduces an uncertai...
[ { "created": "Mon, 21 Mar 2011 21:00:02 GMT", "version": "v1" }, { "created": "Sun, 17 Apr 2011 09:13:27 GMT", "version": "v2" } ]
2011-07-05
[ [ "Dueck", "Alexander", "" ], [ "Rodejohann", "Werner", "" ], [ "Zuber", "Kai", "" ] ]
Ruling out the inverted neutrino hierarchy with neutrinoless double beta decay experiments is possible if a limit on the effective mass below the minimal theoretically possible value is reached. We stress that this lower limit depends strongly on the value of the solar neutrino mixing angle: it introduces an uncertaint...
hep-ph/0512277
Tuomas Honkavaara
Tuomas Honkavaara, Katri Huitu, Sourov Roy
Signals of sneutrino-antisneutrino mixing in an $e^- \gamma$ collider in anomaly-mediated supersymmetry breaking
26 pages, 6 figures, RevTeX4. Discussion and references added. Typos corrected. To appear in Phys. Rev. D
Phys.Rev. D73 (2006) 055011
10.1103/PhysRevD.73.055011
HIP-2005-43/TH
hep-ph
null
Sneutrino-antisneutrino mixing occurs in a supersymmetric model where neutrinos have nonzero Majorana masses. This can lead to the sneutrino decaying into a final state with a "wrong-sign charged lepton". Hence, in an $e^- \gamma$ collider, the signal of the associated production of an electron-sneutrino and the ligh...
[ { "created": "Wed, 21 Dec 2005 14:15:09 GMT", "version": "v1" }, { "created": "Fri, 17 Mar 2006 12:54:11 GMT", "version": "v2" } ]
2009-11-11
[ [ "Honkavaara", "Tuomas", "" ], [ "Huitu", "Katri", "" ], [ "Roy", "Sourov", "" ] ]
Sneutrino-antisneutrino mixing occurs in a supersymmetric model where neutrinos have nonzero Majorana masses. This can lead to the sneutrino decaying into a final state with a "wrong-sign charged lepton". Hence, in an $e^- \gamma$ collider, the signal of the associated production of an electron-sneutrino and the lighte...
hep-ph/9712362
Jorge Crispim Romao
J. C. Romao
Spontaneous Breaking of R-Parity
12 pages, 2 Figures in Postscript
null
null
FISIST/10-97/CFIF
hep-ph
null
If supersymmetry is realized with spontaneous breaking of R-parity, there will be important consequences in several different areas which can be tested through different types of experiments. In this talk we review the phenomenological implications of these theories, with special emphasis on new signals at the presen...
[ { "created": "Fri, 12 Dec 1997 16:16:41 GMT", "version": "v1" } ]
2007-05-23
[ [ "Romao", "J. C.", "" ] ]
If supersymmetry is realized with spontaneous breaking of R-parity, there will be important consequences in several different areas which can be tested through different types of experiments. In this talk we review the phenomenological implications of these theories, with special emphasis on new signals at the present ...
hep-ph/0101053
Ho-Meoyng Choi
L. S. Kisslinger, Ho-Meoyng Choi and Chueng-Ryong Ji
Pion Form Factor and Quark Mass Evolution in a Light-Front Bethe-Salpeter Model
6 pages including 5 figures
Phys.Rev. D63 (2001) 113005
10.1103/PhysRevD.63.113005
null
hep-ph
null
We discuss the soft contribution to the elastic pion form factor with the mass evolution from current to constituent quark being taken into account using a light-front Bethe-Salpeter (LFBS) model, which is a light-front quark model (LFQM) with a running mass. It is shown that partial conservation of the axial-vector ...
[ { "created": "Fri, 5 Jan 2001 16:24:26 GMT", "version": "v1" }, { "created": "Sat, 6 Jan 2001 17:13:22 GMT", "version": "v2" } ]
2009-11-07
[ [ "Kisslinger", "L. S.", "" ], [ "Choi", "Ho-Meoyng", "" ], [ "Ji", "Chueng-Ryong", "" ] ]
We discuss the soft contribution to the elastic pion form factor with the mass evolution from current to constituent quark being taken into account using a light-front Bethe-Salpeter (LFBS) model, which is a light-front quark model (LFQM) with a running mass. It is shown that partial conservation of the axial-vector cu...
2401.03954
Gonzalo Ben\'itez-Irarr\'azabal
Gonzalo Ben\'itez-Irarr\'azabal and Alfonso R. Zerwekh
Mono-Higgs and Mono-$Z$ Production in the Minimal Vector Dark Matter Model
14 pages, 13 figures, 2 tables
null
10.3390/universe10070288
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Minimal Vector Dark Matter is a viable realization of the minimal dark matter paradigm. It extends the Standard Model by the inclusion of a vector matter field in the adjoint representation of $SU (2)_L$. The dark matter candidate corresponds to the neutral component of the new vector field ($V^0$). Previous stud...
[ { "created": "Mon, 8 Jan 2024 15:20:45 GMT", "version": "v1" }, { "created": "Mon, 1 Jul 2024 15:35:38 GMT", "version": "v2" } ]
2024-07-12
[ [ "Benítez-Irarrázabal", "Gonzalo", "" ], [ "Zerwekh", "Alfonso R.", "" ] ]
The Minimal Vector Dark Matter is a viable realization of the minimal dark matter paradigm. It extends the Standard Model by the inclusion of a vector matter field in the adjoint representation of $SU (2)_L$. The dark matter candidate corresponds to the neutral component of the new vector field ($V^0$). Previous studie...
2004.12272
J Pace VanDevender
J. Pace VanDevender (VanDevender Enterprises LLC), Ian Shoemaker (Virginia Tech), T. Sloan (Lancaster University, UK), Aaron P. VanDevender (Founders Fund), Benjamin A. Ulmen (Sandia National Laboratories)
Mass distribution of magnetized quark-nugget dark matter and comparison with observations
30 pages including 2 page supplement, 6 figures, 1 table, 51 references. This is a post-peer-review, pre-copy-edit version of an article published in Scientific Reports as Mass distribution of magnetized quark-nugget dark matter and comparison with requirements and observations. The final authenticated version ...
Sci Rep 10, 17903 (2020)
10.1038/s41598-020-74984-z
null
hep-ph astro-ph.CO astro-ph.GA gr-qc
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Quark nuggets are a candidate for dark matter consistent with the Standard Model. Previous models of quark nuggets have investigated properties arising from their being composed of strange, up, and down quarks and have not included any effects caused by their self-magnetic field. However, Tatsumi found that the core ...
[ { "created": "Sun, 26 Apr 2020 02:22:58 GMT", "version": "v1" }, { "created": "Tue, 28 Apr 2020 14:35:32 GMT", "version": "v2" }, { "created": "Wed, 21 Oct 2020 15:58:11 GMT", "version": "v3" } ]
2020-10-22
[ [ "VanDevender", "J. Pace", "", "VanDevender Enterprises LLC" ], [ "Shoemaker", "Ian", "", "Virginia Tech" ], [ "Sloan", "T.", "", "Lancaster University, UK" ], [ "VanDevender", "Aaron P.", "", "Founders Fund" ], [ "Ulmen", "Ben...
Quark nuggets are a candidate for dark matter consistent with the Standard Model. Previous models of quark nuggets have investigated properties arising from their being composed of strange, up, and down quarks and have not included any effects caused by their self-magnetic field. However, Tatsumi found that the core of...
0906.4113
Eun-Joo Ahn
Eun-Joo Ahn, Ralph Engel, Thomas K. Gaisser, Paolo Lipari, Todor Stanev
Cosmic ray event generator Sibyll 2.1
34 pages, 13 figures. Published version in PRD
Phys.Rev.D80:094003,2009
10.1103/PhysRevD.80.094003
null
hep-ph astro-ph.HE hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The cosmic ray interaction event generator Sibyll is widely used in extensive air shower simulations. We describe in detail the properties of Sibyll 2.1 and the differences with the original version 1.7. The major structural improvements are the possibility to have multiple soft interactions, introduction of new part...
[ { "created": "Tue, 23 Jun 2009 08:27:18 GMT", "version": "v1" }, { "created": "Thu, 2 Jul 2009 22:02:39 GMT", "version": "v2" }, { "created": "Mon, 30 Nov 2009 18:47:48 GMT", "version": "v3" } ]
2009-11-30
[ [ "Ahn", "Eun-Joo", "" ], [ "Engel", "Ralph", "" ], [ "Gaisser", "Thomas K.", "" ], [ "Lipari", "Paolo", "" ], [ "Stanev", "Todor", "" ] ]
The cosmic ray interaction event generator Sibyll is widely used in extensive air shower simulations. We describe in detail the properties of Sibyll 2.1 and the differences with the original version 1.7. The major structural improvements are the possibility to have multiple soft interactions, introduction of new parton...
1611.07419
Arunansu Sil
Subhaditya Bhattacharya, Biswajit Karmakar, Narendra Sahu, Arunansu Sil
Flavor origin of dark matter and its relation with leptonic nonzero $\theta_{13}$ and Dirac CP phase $\delta$
25 pages, 17 figures, published version
null
10.1007/JHEP05(2017)068
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a minimal extension of the standard model by including a $U(1)$ flavor symmetry to establish a correlation between the relic abundance of dark matter, measured by WMAP and PLANCK satellite experiments and non-zero value of $\sin \theta_{13}$ observed at DOUBLE CHOOZ, Daya Bay, RENO and T2K. The flavour sym...
[ { "created": "Tue, 22 Nov 2016 17:01:22 GMT", "version": "v1" }, { "created": "Tue, 16 May 2017 05:59:57 GMT", "version": "v2" } ]
2017-06-07
[ [ "Bhattacharya", "Subhaditya", "" ], [ "Karmakar", "Biswajit", "" ], [ "Sahu", "Narendra", "" ], [ "Sil", "Arunansu", "" ] ]
We propose a minimal extension of the standard model by including a $U(1)$ flavor symmetry to establish a correlation between the relic abundance of dark matter, measured by WMAP and PLANCK satellite experiments and non-zero value of $\sin \theta_{13}$ observed at DOUBLE CHOOZ, Daya Bay, RENO and T2K. The flavour symme...
1807.00336
Osamu Seto
Nobuchika Okada and Osamu Seto
Probing the seesaw scale with gravitational waves
13 pages, 2 figures, references added, the final journal version
Phys. Rev. D 98, 063532 (2018)
10.1103/PhysRevD.98.063532
EPHOU-18-007
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The $U(1)_{B-L}$ gauge symmetry is a promising extension of the standard model of particle physics, which is supposed to be broken at some high energy scale. Associated with the $U(1)_{B-L}$ gauge symmetry breaking, right-handed neutrinos acquire their Majorana masses and then tiny light neutrino masses are generated...
[ { "created": "Sun, 1 Jul 2018 14:36:58 GMT", "version": "v1" }, { "created": "Thu, 27 Sep 2018 05:45:29 GMT", "version": "v2" } ]
2018-09-28
[ [ "Okada", "Nobuchika", "" ], [ "Seto", "Osamu", "" ] ]
The $U(1)_{B-L}$ gauge symmetry is a promising extension of the standard model of particle physics, which is supposed to be broken at some high energy scale. Associated with the $U(1)_{B-L}$ gauge symmetry breaking, right-handed neutrinos acquire their Majorana masses and then tiny light neutrino masses are generated t...
1807.01646
Hadi Alagealy
Hadi J. M. Al-Agealy, Maher Sami Saleh
Theoretical Study of the Hard Photons Flow Emission Rate at $s\bar b\to\gamma g$ Systems in Annihilation Processes in One Loop
null
null
null
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we evaluate and analyze hard photons flow emission at $s\bar b\to\gamma g$ quarks system interaction in annihilation processes due to a quantum field theory in high energy physics. Two quantum wave vectors are assumed to localize quark and anti-quark in quantum space for higher thermal energy system. Q...
[ { "created": "Wed, 4 Jul 2018 15:42:56 GMT", "version": "v1" } ]
2018-07-26
[ [ "Al-Agealy", "Hadi J. M.", "" ], [ "Saleh", "Maher Sami", "" ] ]
In this paper, we evaluate and analyze hard photons flow emission at $s\bar b\to\gamma g$ quarks system interaction in annihilation processes due to a quantum field theory in high energy physics. Two quantum wave vectors are assumed to localize quark and anti-quark in quantum space for higher thermal energy system. Qua...
hep-ph/0212284
Michael Lublinsky
J. Bartels, E. Gotsman, E. Levin, M. Lublinsky, U. Maor
The Dipole Picture and Saturation in Soft Processes
12 pages, 4 figures. One figure and several explanations are added. The version is to appear in PLB
Phys.Lett. B556 (2003) 114-122
10.1016/S0370-2693(03)00128-X
DESY 02-219, TAUP-2729-2002
hep-ph
null
We attempt to describe soft hadron interactions in the framework of saturation models, one based upon the Balitsky-Kovchegov non-linear equation and another one due to Golec-Biernat and W\"{u}sthoff. For $pp$, $Kp$, and $\pi p$ scattering the relevant hadronic wave functions are formulated, and total, elastic cross-s...
[ { "created": "Thu, 19 Dec 2002 11:35:44 GMT", "version": "v1" }, { "created": "Tue, 4 Feb 2003 14:12:59 GMT", "version": "v2" } ]
2009-11-07
[ [ "Bartels", "J.", "" ], [ "Gotsman", "E.", "" ], [ "Levin", "E.", "" ], [ "Lublinsky", "M.", "" ], [ "Maor", "U.", "" ] ]
We attempt to describe soft hadron interactions in the framework of saturation models, one based upon the Balitsky-Kovchegov non-linear equation and another one due to Golec-Biernat and W\"{u}sthoff. For $pp$, $Kp$, and $\pi p$ scattering the relevant hadronic wave functions are formulated, and total, elastic cross-sec...
hep-ph/0308005
Kwei-Chou Yang
Kwei-Chou Yang
Impact of Subleading Corrections on Hadronic B Decays
5 pages, 5 figures, revtex4; some typos corrected, a new figure and a reference added, more explanations for the calculation provided, to appear in Phys. Rev. D
Phys.Rev. D69 (2004) 054025
10.1103/PhysRevD.69.054025
null
hep-ph hep-ex
null
We study the subleading corrections originating from the 3-parton (q\bar q g) Fock states of final-state mesons in B decays. The corrections could give significant contributions to decays involving an \omega or \eta^{(\prime)} in the final states. Our results indicate the similarity of \omega K and \omega \pi^- rates...
[ { "created": "Fri, 1 Aug 2003 08:36:04 GMT", "version": "v1" }, { "created": "Wed, 14 Jan 2004 15:47:27 GMT", "version": "v2" } ]
2009-11-10
[ [ "Yang", "Kwei-Chou", "" ] ]
We study the subleading corrections originating from the 3-parton (q\bar q g) Fock states of final-state mesons in B decays. The corrections could give significant contributions to decays involving an \omega or \eta^{(\prime)} in the final states. Our results indicate the similarity of \omega K and \omega \pi^- rates, ...
1504.07945
Mengchao Zhang
Lei Wu, Jin Min Yang, Chien-Peng Yuan, Mengchao Zhang
hhh Coupling in SUSY models after LHC run I
4 pages, 4 figures, proceeding of the 2nd Toyama Workshop on "Higgs as a Probe of New Physics 2015", 11-15 February 2015
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We examine the Higgs triple coupling in MSSM and NMSSM under current constraints, which include the LHC measurements, Higgs data, B physics, electroweak precision observables, relic density and so on. The ratio $\lambda^{\rm MSSM}_{hhh}/\lambda^{\rm SM}_{hhh}$ is above 0.97, due to the highly constrained parameter sp...
[ { "created": "Wed, 29 Apr 2015 17:59:50 GMT", "version": "v1" } ]
2015-04-30
[ [ "Wu", "Lei", "" ], [ "Yang", "Jin Min", "" ], [ "Yuan", "Chien-Peng", "" ], [ "Zhang", "Mengchao", "" ] ]
We examine the Higgs triple coupling in MSSM and NMSSM under current constraints, which include the LHC measurements, Higgs data, B physics, electroweak precision observables, relic density and so on. The ratio $\lambda^{\rm MSSM}_{hhh}/\lambda^{\rm SM}_{hhh}$ is above 0.97, due to the highly constrained parameter spac...
0801.2297
Werner Bernreuther
Stefan Berge, Werner Bernreuther, Joerg Ziethe
Determining the CP parity of Higgs bosons at the LHC in their tau decay channels
Latex, 10 pages, 4 figures
Phys.Rev.Lett.100:171605,2008
10.1103/PhysRevLett.100.171605
PITHA 08/01
hep-ph
null
If neutral Higgs bosons will be discovered at the CERN Large Hadron Collider (LHC) then an important subsequent issue will be the investigation of their CP nature. Higgs boson decays into tau lepton pairs are particularly suited in this respect. Analyzing the three charged pion decay modes of the tau leptons and taki...
[ { "created": "Tue, 15 Jan 2008 13:55:25 GMT", "version": "v1" } ]
2008-11-26
[ [ "Berge", "Stefan", "" ], [ "Bernreuther", "Werner", "" ], [ "Ziethe", "Joerg", "" ] ]
If neutral Higgs bosons will be discovered at the CERN Large Hadron Collider (LHC) then an important subsequent issue will be the investigation of their CP nature. Higgs boson decays into tau lepton pairs are particularly suited in this respect. Analyzing the three charged pion decay modes of the tau leptons and taking...
0811.1113
Vladimir Karmanov
V.A. Karmanov and P. Maris
Three-body forces in Bethe-Salpeter and light-front equations
7 pages, 6 figures. Contribution to the proceedings of the Workshop: Light-Cone 2008, "Relativistic Nuclear and Particle Physics", Mulhouse, France, July 7-11, 2008. To be published in the online journal "Proceedings of Science" - PoS
PoS LC2008:037,2008
null
null
hep-ph hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In relativistic frameworks, given by the Bethe-Salpeter and light-front bound state equations, the binding energies of system of three scalar particles interacting by scalar exchange particles are calculated. In contrast to two-body systems, the three-body binding energies obtained in these two approaches differ sign...
[ { "created": "Fri, 7 Nov 2008 10:59:26 GMT", "version": "v1" } ]
2009-02-19
[ [ "Karmanov", "V. A.", "" ], [ "Maris", "P.", "" ] ]
In relativistic frameworks, given by the Bethe-Salpeter and light-front bound state equations, the binding energies of system of three scalar particles interacting by scalar exchange particles are calculated. In contrast to two-body systems, the three-body binding energies obtained in these two approaches differ signif...
hep-ph/9203215
Cliff Burgess
C.P. Burgess and David London
Light Spin-One Particles Imply Gauge Invariance
19 pages, 2 figures (not included)
null
null
null
hep-ph
null
Recently, calculations which consider the implications of anomalous trilinear gauge-boson couplings, both at tree-level and in loop-induced processes, have been criticized on the grounds that the lagrangians employed are not \gwk gauge invariant. We prove that, in fact, the general Lorentz-invariant and $U(1)_\em$ in...
[ { "created": "Wed, 18 Mar 1992 16:34:07 GMT", "version": "v1" }, { "created": "Wed, 25 Mar 1992 17:40:44 GMT", "version": "v2" } ]
2008-02-03
[ [ "Burgess", "C. P.", "" ], [ "London", "David", "" ] ]
Recently, calculations which consider the implications of anomalous trilinear gauge-boson couplings, both at tree-level and in loop-induced processes, have been criticized on the grounds that the lagrangians employed are not \gwk gauge invariant. We prove that, in fact, the general Lorentz-invariant and $U(1)_\em$ inva...
1909.01131
Jens O. Andersen
Prabal Adhikari and Jens O. Andersen
QCD at finite isospin density: chiral perturbation theory confronts lattice data
8 pages and 4 figs. v2: Expanded discussion, in particular the matching between two- and three flavor couplings for large strange-quark masses. Matches published version
null
10.1016/j.physletb.2020.135352
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the thermodynamics of three-flavor QCD in the pion-condensed phase at nonzero isospin chemical potential ($\mu_I$) and vanishing temperature using chiral perturbation theory in the isospin limit. The transition from the vacuum phase to a superfluid phase with a Bose-Einstein condensate of charged pions ...
[ { "created": "Tue, 3 Sep 2019 12:57:40 GMT", "version": "v1" }, { "created": "Fri, 29 May 2020 09:48:35 GMT", "version": "v2" } ]
2020-06-01
[ [ "Adhikari", "Prabal", "" ], [ "Andersen", "Jens O.", "" ] ]
We consider the thermodynamics of three-flavor QCD in the pion-condensed phase at nonzero isospin chemical potential ($\mu_I$) and vanishing temperature using chiral perturbation theory in the isospin limit. The transition from the vacuum phase to a superfluid phase with a Bose-Einstein condensate of charged pions is s...
1310.8452
Gerhard Ecker
G. Ecker, P. Masjuan and H. Neufeld
Approximating chiral SU(3) amplitudes
19 pages, 4 figures, improved presentation, results unchanged, version to appear in EPJC
null
10.1140/epjc/s10052-014-2748-z
UWThPh-2013-28
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We construct large-N_c motivated approximate chiral SU(3) amplitudes of next-to-next-to-leading order. The amplitudes are independent of the renormalization scale. Fitting lattice data with those amplitudes allows for the extraction of chiral coupling constants with the correct scale dependence. The differences betwe...
[ { "created": "Thu, 31 Oct 2013 10:46:46 GMT", "version": "v1" }, { "created": "Thu, 20 Feb 2014 13:49:42 GMT", "version": "v2" } ]
2015-06-17
[ [ "Ecker", "G.", "" ], [ "Masjuan", "P.", "" ], [ "Neufeld", "H.", "" ] ]
We construct large-N_c motivated approximate chiral SU(3) amplitudes of next-to-next-to-leading order. The amplitudes are independent of the renormalization scale. Fitting lattice data with those amplitudes allows for the extraction of chiral coupling constants with the correct scale dependence. The differences between...
hep-ph/0007171
John Gracey
J.A. Gracey
Three loop MSbar tensor current anomalous dimension in QCD
8 latex pages
Phys.Lett. B488 (2000) 175-181
10.1016/S0370-2693(00)00859-5
LTH 482
hep-ph
null
The anomalous dimensions of the general flavour non-singlet quark bilinear currents \psi \gamma^{[\mu_1} ... \gamma^{\mu_n]} \psi are computed at three loops in quantum chromodynamics in the minimal subtraction scheme. The dimension of the tensor current emerges for the case n = 2 and the anomalous dimension for the ...
[ { "created": "Mon, 17 Jul 2000 12:50:44 GMT", "version": "v1" } ]
2009-10-31
[ [ "Gracey", "J. A.", "" ] ]
The anomalous dimensions of the general flavour non-singlet quark bilinear currents \psi \gamma^{[\mu_1} ... \gamma^{\mu_n]} \psi are computed at three loops in quantum chromodynamics in the minimal subtraction scheme. The dimension of the tensor current emerges for the case n = 2 and the anomalous dimension for the ge...
hep-ph/9410358
Ji-Fang Zhang
Carl E. Carlson and Nimai C. Mukhopadhyay
The Bloom-Gilman Duality and Leading Logarithms
7 pages
null
null
RPI-N91-1994
hep-ph
null
The existing inclusive electroproduction data base allow us a look at the issue of the relative behaviors of background and resonance excitations, a part of the Bloom-Gilman duality. These data lack accuracy at high Q^2, but establish PQCD scaling in the resonance region and even allow us a glimpse at the leading log...
[ { "created": "Mon, 24 Oct 1994 18:28:11 GMT", "version": "v1" } ]
2007-05-23
[ [ "Carlson", "Carl E.", "" ], [ "Mukhopadhyay", "Nimai C.", "" ] ]
The existing inclusive electroproduction data base allow us a look at the issue of the relative behaviors of background and resonance excitations, a part of the Bloom-Gilman duality. These data lack accuracy at high Q^2, but establish PQCD scaling in the resonance region and even allow us a glimpse at the leading logar...
1107.0667
C. Pallis
N. Karagiannakis, G. Lazarides, and C. Pallis
CMSSM with Yukawa Quasi-Unification Revisited
null
Phys.Lett.B704:43-50,2011
10.1016/j.physletb.2011.08.058
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The constrained minimal supersymmetric standard model with mu>0 supplemented by an `asymptotic' Yukawa coupling quasi-unification condition, which allows an acceptable b-quark mass, is reinvestigated. Imposing updated constraints from the cold dark matter abundance in the universe, B physics, the muon anomalous magne...
[ { "created": "Mon, 4 Jul 2011 15:59:02 GMT", "version": "v1" }, { "created": "Sat, 17 Sep 2011 10:40:26 GMT", "version": "v2" } ]
2015-03-19
[ [ "Karagiannakis", "N.", "" ], [ "Lazarides", "G.", "" ], [ "Pallis", "C.", "" ] ]
The constrained minimal supersymmetric standard model with mu>0 supplemented by an `asymptotic' Yukawa coupling quasi-unification condition, which allows an acceptable b-quark mass, is reinvestigated. Imposing updated constraints from the cold dark matter abundance in the universe, B physics, the muon anomalous magneti...
hep-ph/0105062
Rudolf Baier
R. Baier, Yu.L. Dokshitzer, A.H. Mueller, D. Schiff
On the Angular Dependence of the Radiative Gluon Spectrum
LaTex, 5 pages, 1 figure
Phys.Rev. C64 (2001) 057902
10.1103/PhysRevC.64.057902
null
hep-ph
null
The induced momentum spectrum of soft gluons radiated from a high energy quark produced in and propagating through a QCD medium is reexamined in the BDMPS formalism. A mistake in our published work (Physical Review C60 (1999) 064902) is corrected. The correct dependence of the fractional induced loss $R(\theta_{{\rm ...
[ { "created": "Mon, 7 May 2001 15:35:02 GMT", "version": "v1" } ]
2009-11-07
[ [ "Baier", "R.", "" ], [ "Dokshitzer", "Yu. L.", "" ], [ "Mueller", "A. H.", "" ], [ "Schiff", "D.", "" ] ]
The induced momentum spectrum of soft gluons radiated from a high energy quark produced in and propagating through a QCD medium is reexamined in the BDMPS formalism. A mistake in our published work (Physical Review C60 (1999) 064902) is corrected. The correct dependence of the fractional induced loss $R(\theta_{{\rm co...
0812.3815
Michael Spira
Margarete M\"uhlleitner, Heidi Rzehak, Michael Spira
MSSM Higgs Boson Production via Gluon Fusion: The Large Gluino Mass Limit
11 pages, 3 figures, latex, references added, slight rewording, version accepted by JHEP
JHEP 0904:023,2009
10.1088/1126-6708/2009/04/023
PSI-PR-08-15, LAPTH-1295/08, KA-TP-33-2008, SFB/CPP-08-106
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Scalar MSSM Higgs boson production via gluon fusion gg -> h,H is mediated by heavy quark and squark loops. The higher order QCD corrections to these processes turn out to be large. The full supersymmetric QCD corrections have been calculated recently. In the limit of large SUSY masses a conceptual problem appears, i....
[ { "created": "Fri, 19 Dec 2008 15:35:11 GMT", "version": "v1" }, { "created": "Tue, 10 Mar 2009 09:16:31 GMT", "version": "v2" } ]
2010-04-15
[ [ "Mühlleitner", "Margarete", "" ], [ "Rzehak", "Heidi", "" ], [ "Spira", "Michael", "" ] ]
Scalar MSSM Higgs boson production via gluon fusion gg -> h,H is mediated by heavy quark and squark loops. The higher order QCD corrections to these processes turn out to be large. The full supersymmetric QCD corrections have been calculated recently. In the limit of large SUSY masses a conceptual problem appears, i.e....
2311.10346
Giulia Zanderighi
Karl Jakobs and Giulia Zanderighi
The profile of the Higgs boson -- status and prospects
23 pages, 9 figures, Contribution to The Particle-Gravity Frontier in Philosophical Transactions A, based on the 2022 Humboldt Kolleg in Kitzbuehel; v2 includes additional references
null
null
MPP-2023-263
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Higgs boson, which was discovered at CERN in 2012, stands out as a remarkable elementary particle with distinct characteristics. Unlike any other observed particle, it possesses zero spin within the Standard Model (SM) of particle physics. Theoretical predictions had anticipated the existence of this scalar boson...
[ { "created": "Fri, 17 Nov 2023 06:26:42 GMT", "version": "v1" }, { "created": "Wed, 3 Jan 2024 15:57:20 GMT", "version": "v2" } ]
2024-01-04
[ [ "Jakobs", "Karl", "" ], [ "Zanderighi", "Giulia", "" ] ]
The Higgs boson, which was discovered at CERN in 2012, stands out as a remarkable elementary particle with distinct characteristics. Unlike any other observed particle, it possesses zero spin within the Standard Model (SM) of particle physics. Theoretical predictions had anticipated the existence of this scalar boson, ...
hep-ph/0202029
Xiaofei Zhang
Xiaofei Zhang and George Fai
Nuclear Effects on Heavy Boson Production at RHIC and LHC
21 pages, 11 figures
Phys.Rev.C65:064901,2002
10.1103/PhysRevC.65.064901
KSUCNR-201-02
hep-ph
null
We predict W and Z transverse momentum distributions from proton-proton and nuclear collisions at RHIC and LHC. A resummation formalism with power corrections to the renormalization group equations is used. The dependence of the resummed QCD results on the non-perturbative input is very weak for the systems considere...
[ { "created": "Mon, 4 Feb 2002 20:12:11 GMT", "version": "v1" } ]
2008-11-26
[ [ "Zhang", "Xiaofei", "" ], [ "Fai", "George", "" ] ]
We predict W and Z transverse momentum distributions from proton-proton and nuclear collisions at RHIC and LHC. A resummation formalism with power corrections to the renormalization group equations is used. The dependence of the resummed QCD results on the non-perturbative input is very weak for the systems considered....
2109.14476
German F. R. Sborlini
German F. R. Sborlini
Geometry and causal flux in multi-loop Feynman diagrams
9 pages, 3 figures. Contribution to the Proceedings of XIX Mexican School of Particle and Fields (August 9-13, 2021)
null
null
DESY 21-128
hep-ph hep-th
http://creativecommons.org/licenses/by/4.0/
In this review, we discuss recent developments concerning efficient calculations of multi-loop multi-leg scattering amplitudes. Inspired by the remarkable properties of the Loop-Tree Duality (LTD), we explain how to reconstruct an integrand level representation of scattering amplitudes which only contains physical si...
[ { "created": "Wed, 29 Sep 2021 15:07:00 GMT", "version": "v1" } ]
2021-09-30
[ [ "Sborlini", "German F. R.", "" ] ]
In this review, we discuss recent developments concerning efficient calculations of multi-loop multi-leg scattering amplitudes. Inspired by the remarkable properties of the Loop-Tree Duality (LTD), we explain how to reconstruct an integrand level representation of scattering amplitudes which only contains physical sing...
hep-ph/0509032
Andrea Sartirana
Claudio Destri and Andrea Sartirana
Improved Hartree--Fock resummations and spontaneous symmetry breaking
42 pages, 9 figures
Phys.Rev. D73 (2006) 025012
10.1103/PhysRevD.73.025012
Bicocca-FT-05-22
hep-ph
null
The standard Hartree--Fock approximation of the $O(N)-$invariant $\phi^4$ model suffers from serious renormalization problems. In addition, when the symmetry is spontaneously broken, another shortcoming appears in relation to the Goldstone bosons: they fail to be massless in the intermediate states. In this work, wit...
[ { "created": "Mon, 5 Sep 2005 10:34:17 GMT", "version": "v1" } ]
2013-05-29
[ [ "Destri", "Claudio", "" ], [ "Sartirana", "Andrea", "" ] ]
The standard Hartree--Fock approximation of the $O(N)-$invariant $\phi^4$ model suffers from serious renormalization problems. In addition, when the symmetry is spontaneously broken, another shortcoming appears in relation to the Goldstone bosons: they fail to be massless in the intermediate states. In this work, withi...
hep-ph/9909396
Jeppe R. Andersen
Jeppe R. Andersen
Renormalon Model of Twist-4 Corrections to the Pion Distribution Amplitude
Uses feynmp. Revised version published in PLB
Phys.Lett. B475 (2000) 141-146
10.1016/S0370-2693(00)00052-6
NBI-HE-99-33
hep-ph
null
In this paper we describe a renormalon-inspired model of twist--4 power corrections to the light-cone pion distribution amplitude, and compare it to the results obtained using the conformal wave expansion. We find that the overall functional form predicted in this renormalon model is similar to the one predicted in t...
[ { "created": "Thu, 16 Sep 1999 10:05:47 GMT", "version": "v1" }, { "created": "Wed, 15 Mar 2000 11:05:42 GMT", "version": "v2" } ]
2009-10-31
[ [ "Andersen", "Jeppe R.", "" ] ]
In this paper we describe a renormalon-inspired model of twist--4 power corrections to the light-cone pion distribution amplitude, and compare it to the results obtained using the conformal wave expansion. We find that the overall functional form predicted in this renormalon model is similar to the one predicted in the...
hep-ph/0311269
Pasquale Migliozzi
Pasquale Migliozzi
Perspectives for future neutrino oscillation experiments with accelerators: beams, detectors and physics
null
null
null
null
hep-ph
null
In recent years great progress toward the understanding of the mixing in the leptonic sector has been made. Nonetheless, this field of research is just at the beginning. Further advance by accelerator based neutrino oscillation experiments requires new beams and detectors to reach the wanted physics goals. In this pa...
[ { "created": "Fri, 21 Nov 2003 10:35:29 GMT", "version": "v1" } ]
2007-05-23
[ [ "Migliozzi", "Pasquale", "" ] ]
In recent years great progress toward the understanding of the mixing in the leptonic sector has been made. Nonetheless, this field of research is just at the beginning. Further advance by accelerator based neutrino oscillation experiments requires new beams and detectors to reach the wanted physics goals. In this pape...
2011.02547
Richard Ruiz
Benjamin Fuks, Jonas Neundorf, Krisztian Peters, Richard Ruiz, Matthias Saimpert
Majorana Neutrinos in Same-Sign $W^\pm W^\pm$ Scattering at the LHC: Breaking the TeV Barrier
Journal version: results unchanged, only minor revisions w.r.t. v1. 31 pages (including three appendices), nine figures (23 png and pdf files), eight tables
Phys. Rev. D 103, 055005 (2021)
10.1103/PhysRevD.103.055005
CP3-20-50, DESY 20-186, MCNet-20-24, VBSCAN-PUB-11-20, IFJPAN-IV-2021-2
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We revisit the sensitivity to non-resonant, heavy Majorana neutrinos $N$ in same-sign $W^\pm W^\pm$ scattering at the $\sqrt{s}=13$ TeV LHC and its high-luminosity upgrade. As a benchmark scenario, we work in the context of the Phenomenological Type I Seesaw model, relying on a simulation up to next-to-leading order ...
[ { "created": "Wed, 4 Nov 2020 21:25:40 GMT", "version": "v1" }, { "created": "Wed, 10 Mar 2021 08:29:39 GMT", "version": "v2" } ]
2021-03-11
[ [ "Fuks", "Benjamin", "" ], [ "Neundorf", "Jonas", "" ], [ "Peters", "Krisztian", "" ], [ "Ruiz", "Richard", "" ], [ "Saimpert", "Matthias", "" ] ]
We revisit the sensitivity to non-resonant, heavy Majorana neutrinos $N$ in same-sign $W^\pm W^\pm$ scattering at the $\sqrt{s}=13$ TeV LHC and its high-luminosity upgrade. As a benchmark scenario, we work in the context of the Phenomenological Type I Seesaw model, relying on a simulation up to next-to-leading order in...
hep-ph/0109273
Savely G. Karshenboim
Savely G. Karshenboim (D. I. Mendeleev Institute for Metrology, Max-Planck-Institut fuer Quantenoptik) and Vladimir G. Ivanov (Pulkovo Observatory)
Hyperfine Structure of the Ground and First Excited States in Light Hydrogen-Like Atoms and High-Precision Tests of QED
12 pages, 1 figure
Eur.Phys.J.D19:13-23,2002
10.1140/epjd/e20020050
null
hep-ph
null
We consider hyperfine splitting of 1s and, in part, of 2s levels in light hydrogen-like atoms: hydrogen, deuterium, tritium, helium-3 ion, muonium and positronium. We discuss present status of precision theory and experiment for the hfs intervals. We pay a special attention to a specific difference, D_{21} = 8 E_{hfs...
[ { "created": "Thu, 27 Sep 2001 18:46:03 GMT", "version": "v1" } ]
2014-11-17
[ [ "Karshenboim", "Savely G.", "", "D. I. Mendeleev Institute for Metrology,\n Max-Planck-Institut fuer Quantenoptik" ], [ "Ivanov", "Vladimir G.", "", "Pulkovo\n Observatory" ] ]
We consider hyperfine splitting of 1s and, in part, of 2s levels in light hydrogen-like atoms: hydrogen, deuterium, tritium, helium-3 ion, muonium and positronium. We discuss present status of precision theory and experiment for the hfs intervals. We pay a special attention to a specific difference, D_{21} = 8 E_{hfs}(...
0806.4099
Fiorenza Donato
A. Bottino, F. Donato, N. Fornengo (Torino U. & INFN, Turin), S. Scopel (KIAS, Seul)
Interpreting the recent results on direct search for dark matter particles in terms of relic neutralino
18 pages, 10 figures a few minor comments and two references added
Phys.Rev.D78:083520,2008
10.1103/PhysRevD.78.083520
null
hep-ph astro-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The most recent results from direct searches for dark matter particles in the galactic halo are examined in terms of an effective Minimal Supersymmetric extension of the Standard Model at the electroweak scale without gaugino masses unification. We show that the annual modulation effect at 8.2 $\sigma$ C.L. recently ...
[ { "created": "Wed, 25 Jun 2008 14:01:27 GMT", "version": "v1" }, { "created": "Fri, 12 Sep 2008 10:13:38 GMT", "version": "v2" } ]
2008-11-26
[ [ "Bottino", "A.", "", "Torino U. & INFN, Turin" ], [ "Donato", "F.", "", "Torino U. & INFN, Turin" ], [ "Fornengo", "N.", "", "Torino U. & INFN, Turin" ], [ "Scopel", "S.", "", "KIAS, Seul" ] ]
The most recent results from direct searches for dark matter particles in the galactic halo are examined in terms of an effective Minimal Supersymmetric extension of the Standard Model at the electroweak scale without gaugino masses unification. We show that the annual modulation effect at 8.2 $\sigma$ C.L. recently pr...
1911.12805
Ekaterina Shlepkina
K.M. Belotsky, A.H. Kamaletdinov, E.S. Shlepkina
Analysis of programming tools in framework of dark matter physics and concept of new MC-generator
to appear in Proceedings of the XXII International Workshop What comes beyond the Standard Models,06-14 July 2019, Bled, Slovenia
null
null
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyse here some programming tools (MC-generators) from viewpoint of their application to the tasks of dark matter (DM) interpretation of cosmic rays puzzles. We shortly describe our tasks, where the main goal is the solution of the problem of suppression of gamma-rays induced by the products of DM decay or annih...
[ { "created": "Thu, 28 Nov 2019 17:47:24 GMT", "version": "v1" } ]
2019-12-02
[ [ "Belotsky", "K. M.", "" ], [ "Kamaletdinov", "A. H.", "" ], [ "Shlepkina", "E. S.", "" ] ]
We analyse here some programming tools (MC-generators) from viewpoint of their application to the tasks of dark matter (DM) interpretation of cosmic rays puzzles. We shortly describe our tasks, where the main goal is the solution of the problem of suppression of gamma-rays induced by the products of DM decay or annihil...
0907.3090
Markus Schulze
Kirill Melnikov, Markus Schulze
NLO QCD corrections to top quark pair production and decay at hadron colliders
21 pages, 5 figures
JHEP 0908:049,2009
10.1088/1126-6708/2009/08/049
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present results for the next-to-leading order QCD corrections to the production and semi-leptonic decays of a top quark pair in hadron collisions, retaining all spin correlations. To evaluate the virtual corrections, we employ generalized D-dimensional unitarity. The computation is implemented in a numerical progr...
[ { "created": "Fri, 17 Jul 2009 16:05:19 GMT", "version": "v1" } ]
2009-11-18
[ [ "Melnikov", "Kirill", "" ], [ "Schulze", "Markus", "" ] ]
We present results for the next-to-leading order QCD corrections to the production and semi-leptonic decays of a top quark pair in hadron collisions, retaining all spin correlations. To evaluate the virtual corrections, we employ generalized D-dimensional unitarity. The computation is implemented in a numerical program...
1601.06457
Atsushi Hosaka
Atsushi Hosaka, Emiko Hiyama, SangHo Kim, Hyun-Chul Kim, Hideko Nagahiro, Hiroyuki Noumi, Makoto Oka, Kotaro Shirotori, Tetsuya Yoshida, Shigehiro Yasui
Charmed baryons and their interactions
10 pages, proceedings for HYP2015, Sendai, Sept. 7-12, 2015
null
10.7566/JPSCP.17.111002
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this proceedings report, we discuss unique features of charmed, or in general heavy, baryons with one heavy quark. A well and long-term known phenomena, the distinction of the two modes of the rho and lambda type of a three-quark system is revisited. The difference of these modes may be tested in the production an...
[ { "created": "Mon, 25 Jan 2016 00:44:21 GMT", "version": "v1" } ]
2017-08-02
[ [ "Hosaka", "Atsushi", "" ], [ "Hiyama", "Emiko", "" ], [ "Kim", "SangHo", "" ], [ "Kim", "Hyun-Chul", "" ], [ "Nagahiro", "Hideko", "" ], [ "Noumi", "Hiroyuki", "" ], [ "Oka", "Makoto", "" ], [ "Shir...
In this proceedings report, we discuss unique features of charmed, or in general heavy, baryons with one heavy quark. A well and long-term known phenomena, the distinction of the two modes of the rho and lambda type of a three-quark system is revisited. The difference of these modes may be tested in the production and ...
1111.7041
Radja Boughezal
Radja Boughezal, Kirill Melnikov, Frank Petriello
A subtraction scheme for NNLO computations
13 pages
null
10.1103/PhysRevD.85.034025
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We use the known soft and collinear limits of tree- and one-loop scattering amplitudes -- computed over a decade ago -- to explicitly construct a subtraction scheme for next-to-next-to-leading order (NNLO) computations. Our approach combines partitioning of the final-state phase space together with the technique of s...
[ { "created": "Wed, 30 Nov 2011 03:22:06 GMT", "version": "v1" } ]
2015-06-03
[ [ "Boughezal", "Radja", "" ], [ "Melnikov", "Kirill", "" ], [ "Petriello", "Frank", "" ] ]
We use the known soft and collinear limits of tree- and one-loop scattering amplitudes -- computed over a decade ago -- to explicitly construct a subtraction scheme for next-to-next-to-leading order (NNLO) computations. Our approach combines partitioning of the final-state phase space together with the technique of sec...
hep-ph/0011253
Bhaskar Dutta
V. Krutelyov, R. Arnowitt, B. Dutta, T. Kamon, P. McIntyre and Y. Santoso
Prospect for Searches for Gluinos and Squarks at a Tevatron Tripler
17 pages, latex, 7 figures
Phys.Lett.B505:161-168,2001
10.1016/S0370-2693(01)00336-7
CTP-TAMU-35-00
hep-ph hep-ex
null
We examine the discovery potential for SUSY new physics at a p{\bar p} collider upgrade of Tevatron with \sqrt s = 5.4 TeV and luminosity L ~= 4\times 10^{32} cm^{-2}s^{-1} (the Tripler). We consider the reach for gluinos and squarks using the experimental signatures with large missing transverse energy (\met) of jet...
[ { "created": "Mon, 20 Nov 2000 22:41:34 GMT", "version": "v1" } ]
2008-11-26
[ [ "Krutelyov", "V.", "" ], [ "Arnowitt", "R.", "" ], [ "Dutta", "B.", "" ], [ "Kamon", "T.", "" ], [ "McIntyre", "P.", "" ], [ "Santoso", "Y.", "" ] ]
We examine the discovery potential for SUSY new physics at a p{\bar p} collider upgrade of Tevatron with \sqrt s = 5.4 TeV and luminosity L ~= 4\times 10^{32} cm^{-2}s^{-1} (the Tripler). We consider the reach for gluinos and squarks using the experimental signatures with large missing transverse energy (\met) of jets ...
1105.6053
Wolfgang Altmannshofer
Wolfgang Altmannshofer
CP Violation in D0-D0bar Mixing and Electric Dipole Moments in SUSY Alignment Models
6 pages, 2 figures; prepared for the proceedings of the Rencontres de Moriond 2011 (EW session)
null
null
FERMILAB-CONF-11-239-T
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We report on a study of CP Violation in D0-D0bar mixing and Electric Dipole Moments in the framework of supersymmetric alignment models. Both classes of observables are strongly suppressed in the Standard Model and highly sensitive to new sources of flavor and CP violation that can be present in models of New Physics...
[ { "created": "Mon, 30 May 2011 18:00:04 GMT", "version": "v1" } ]
2011-05-31
[ [ "Altmannshofer", "Wolfgang", "" ] ]
We report on a study of CP Violation in D0-D0bar mixing and Electric Dipole Moments in the framework of supersymmetric alignment models. Both classes of observables are strongly suppressed in the Standard Model and highly sensitive to new sources of flavor and CP violation that can be present in models of New Physics. ...