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hep-ph/0311012
J. P. Ma
J.P. Ma, R.G. Ping and B.S. Zou
CP Test in J/Psi -> gamma phi phi Decay
Misprints corrected. To appear in Phys. Lett. B
Phys.Lett. B580 (2004) 163-168
10.1016/j.physletb.2003.11.059
null
hep-ph
null
We propose to test CP symmetry in the decay $\jp\to \gamma \phi\phi$, for which large data sample exists at BESII, and a data sample of $10^{10}$ $J/\psi$'s will be collected with BESIII and CLEO-C program. We suggest some CP asymmetries in this decay mode for CP test. Assuming that CP violation is introduced by the ...
[ { "created": "Sun, 2 Nov 2003 05:08:41 GMT", "version": "v1" }, { "created": "Thu, 27 Nov 2003 00:20:38 GMT", "version": "v2" } ]
2015-06-25
[ [ "Ma", "J. P.", "" ], [ "Ping", "R. G.", "" ], [ "Zou", "B. S.", "" ] ]
We propose to test CP symmetry in the decay $\jp\to \gamma \phi\phi$, for which large data sample exists at BESII, and a data sample of $10^{10}$ $J/\psi$'s will be collected with BESIII and CLEO-C program. We suggest some CP asymmetries in this decay mode for CP test. Assuming that CP violation is introduced by the el...
2106.13829
Victor Valera Baca
Alexei Y. Smirnov, Victor B. Valera
Resonance refraction and neutrino oscillations
36 pages, 6 figures
null
10.1007/JHEP09(2021)177
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The refraction index and matter potential depend on neutrino energy and this dependence has a resonance character associated to the production of the mediator in the $s-$channel. For light mediators and light particles of medium (background) the resonance can be realized at energies accessible to laboratory experimen...
[ { "created": "Fri, 25 Jun 2021 18:10:24 GMT", "version": "v1" } ]
2021-10-13
[ [ "Smirnov", "Alexei Y.", "" ], [ "Valera", "Victor B.", "" ] ]
The refraction index and matter potential depend on neutrino energy and this dependence has a resonance character associated to the production of the mediator in the $s-$channel. For light mediators and light particles of medium (background) the resonance can be realized at energies accessible to laboratory experiments...
hep-ph/9312338
David London
R. Aleksan, B. Kayser and D. London
In Pursuit of Gamma
LaTeX, 18 pages, 11 figures (not included, available upon request), talk given by B. Kayser at the Workshop on B Physics at Hadron Accelerators, Snowmass, Colorado, June 21-July 2, 1993, DAPNIA/SPP 93-23, NSF-PT-93-4, UdeM-LPN-TH-93-184
null
null
null
hep-ph
null
After reviewing techniques for extracting clean information on CP-violating phase angles from $B$ decays, we explain the rules for finding decay modes that can probe the phase angle $\gamma$ of the unitarity triangle. We identify the more promising of these ``$\gamma$ modes,'' estimate their branching ratios, and exa...
[ { "created": "Fri, 24 Dec 1993 23:30:46 GMT", "version": "v1" } ]
2009-09-25
[ [ "Aleksan", "R.", "" ], [ "Kayser", "B.", "" ], [ "London", "D.", "" ] ]
After reviewing techniques for extracting clean information on CP-violating phase angles from $B$ decays, we explain the rules for finding decay modes that can probe the phase angle $\gamma$ of the unitarity triangle. We identify the more promising of these ``$\gamma$ modes,'' estimate their branching ratios, and exami...
2211.00008
Joshua Foster
Joshua N. Benabou, Joshua W. Foster, Yonatan Kahn, Benjamin R. Safdi, Chiara P. Salemi
Detecting axion dark matter beyond the magnetoquasistatic approximation
6+5 pages, 3+9 figures
null
10.1103/PhysRevD.108.035009
MIT-CTP/5490
hep-ph astro-ph.CO hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A number of proposals have been put forward for detecting axion dark matter (DM) with grand unification scale decay constants that rely on the conversion of coherent DM axions to oscillating magnetic fields in the presence of static, laboratory magnetic fields. Crucially, such experiments $\unicode{x2013}$ including ...
[ { "created": "Mon, 31 Oct 2022 18:00:00 GMT", "version": "v1" } ]
2023-08-16
[ [ "Benabou", "Joshua N.", "" ], [ "Foster", "Joshua W.", "" ], [ "Kahn", "Yonatan", "" ], [ "Safdi", "Benjamin R.", "" ], [ "Salemi", "Chiara P.", "" ] ]
A number of proposals have been put forward for detecting axion dark matter (DM) with grand unification scale decay constants that rely on the conversion of coherent DM axions to oscillating magnetic fields in the presence of static, laboratory magnetic fields. Crucially, such experiments $\unicode{x2013}$ including AB...
0708.1260
Davor Horvatic
D. Horvatic, D. Klabucar, A. E. Radzhabov
$\eta$ and $\eta'$ mesons in the Dyson-Schwinger approach at finite temperature
13 pages, 15 figures
Phys.Rev.D76:096009,2007
10.1103/PhysRevD.76.096009
null
hep-ph
null
We study the temperature dependence of the pseudoscalar meson properties in a relativistic bound-state approach exhibiting the chiral behavior mandated by QCD. Concretely, we adopt the Dyson-Schwinger approach with a rank-2 separable model interaction. After extending the model to the strange sector and fixing its pa...
[ { "created": "Thu, 9 Aug 2007 18:26:02 GMT", "version": "v1" } ]
2008-11-26
[ [ "Horvatic", "D.", "" ], [ "Klabucar", "D.", "" ], [ "Radzhabov", "A. E.", "" ] ]
We study the temperature dependence of the pseudoscalar meson properties in a relativistic bound-state approach exhibiting the chiral behavior mandated by QCD. Concretely, we adopt the Dyson-Schwinger approach with a rank-2 separable model interaction. After extending the model to the strange sector and fixing its para...
hep-ph/0011277
U. Meissner
Ulf-G. Mei{\ss}ner, Greg Smith
Goldstone boson-nucleon dynamics: Working group summary and outlook
15 pp, 2 figs, working group summary talk, Chiral Dynamics 2000: Theory and Experiment, July 17-22, 2000, Newport News, to be published in the proceedings
null
10.1142/9789812810977_0050
FZJ-IKP(TH)-2000-27, JLAB-PHY-00-22
hep-ph hep-ex nucl-ex nucl-th
null
We highlight some of the recent results in chiral dynamics for systems with one nucleon/baryon presented at Chiral Dynamics 2000. We outline the most urgent experimental and theoretical challenges to be tackled in the coming years.
[ { "created": "Wed, 22 Nov 2000 07:35:45 GMT", "version": "v1" }, { "created": "Wed, 6 Dec 2000 09:42:33 GMT", "version": "v2" } ]
2017-08-23
[ [ "Meißner", "Ulf-G.", "" ], [ "Smith", "Greg", "" ] ]
We highlight some of the recent results in chiral dynamics for systems with one nucleon/baryon presented at Chiral Dynamics 2000. We outline the most urgent experimental and theoretical challenges to be tackled in the coming years.
hep-ph/9605363
Martina Brisudova
Martina Brisudova and Robert Perry
Note on restoring manifest rotational symmetry in hyperfine and fine structure in light-front QED
17 pages, latex file
Phys.Rev.D54:6453-6458,1996
10.1103/PhysRevD.54.6453
null
hep-ph
null
We study the part of the renormalized, cutoff QED light-front Hamiltonian that does not change particle number. The Hamiltonian contains interactions that must be treated in second-order bound state perturbation theory to obtain hyperfine structure. We show that a simple unitary transformation leads directly to the f...
[ { "created": "Tue, 21 May 1996 02:00:55 GMT", "version": "v1" } ]
2010-11-19
[ [ "Brisudova", "Martina", "" ], [ "Perry", "Robert", "" ] ]
We study the part of the renormalized, cutoff QED light-front Hamiltonian that does not change particle number. The Hamiltonian contains interactions that must be treated in second-order bound state perturbation theory to obtain hyperfine structure. We show that a simple unitary transformation leads directly to the fam...
2306.17513
Krzysztof Marek Kutak
A. van Hameren, H. Kakkad, P. Kotko, K. Kutak, S. Sapeta
Searching for saturation in forward dijet production at the LHC
50 pages
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review recent results for forward jests at the LHC and EIC as obtained within small-x Improved Transverse Momentum Dependent factorization (ITMD). In addition to elementary overview of various approaches to perturbative QCD at high energy, including High Energy Factorization, Color Glass Condensate and ITMD, we ...
[ { "created": "Fri, 30 Jun 2023 09:59:41 GMT", "version": "v1" } ]
2023-07-03
[ [ "van Hameren", "A.", "" ], [ "Kakkad", "H.", "" ], [ "Kotko", "P.", "" ], [ "Kutak", "K.", "" ], [ "Sapeta", "S.", "" ] ]
We review recent results for forward jests at the LHC and EIC as obtained within small-x Improved Transverse Momentum Dependent factorization (ITMD). In addition to elementary overview of various approaches to perturbative QCD at high energy, including High Energy Factorization, Color Glass Condensate and ITMD, we desc...
hep-ph/9606405
null
I.I. Bigi (Univ. of Notre Dame)
Treating the Lifetimes of Charm and Beauty Hadrons with QCD Plus a Bit More!
LATEX file, 14 pages, SPROCL.STY style file appended at the end; talk given at the Second Workshop on "Continuous Advances in QCD", March 1996
null
null
UND-HEP-96-BIG01
hep-ph
null
The heavy quark expansion implemented through an operator product expansion provides us with a treatment of inclusive decays of beauty and charm hadrons that is genuinely derived from QCD,though it requires one additional assumption, namely that of 'local' quark-hadron duality. Subtleties in the application of factor...
[ { "created": "Fri, 21 Jun 1996 15:40:04 GMT", "version": "v1" } ]
2007-05-23
[ [ "Bigi", "I. I.", "", "Univ. of Notre Dame" ] ]
The heavy quark expansion implemented through an operator product expansion provides us with a treatment of inclusive decays of beauty and charm hadrons that is genuinely derived from QCD,though it requires one additional assumption, namely that of 'local' quark-hadron duality. Subtleties in the application of factoriz...
1205.4246
Sannino Francesco
Francesco Sannino
Jumping Dynamics
4 pages. 6 Figures
null
10.1142/S0217732313501277
CP3-Origins-2012-12 & DIAS-2012-13
hep-ph hep-lat hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose an alternative paradigm to the conjectured Miransky scaling potentially underlying the physics describing the transition from the conformally broken to the conformally restored phase when tuning certain parameters such as the number of flavors in gauge theories. According to the new paradigm the physical s...
[ { "created": "Fri, 18 May 2012 20:00:09 GMT", "version": "v1" } ]
2015-06-05
[ [ "Sannino", "Francesco", "" ] ]
We propose an alternative paradigm to the conjectured Miransky scaling potentially underlying the physics describing the transition from the conformally broken to the conformally restored phase when tuning certain parameters such as the number of flavors in gauge theories. According to the new paradigm the physical sca...
0909.5065
Cecilia Tarantino
M. Bona, M. Ciuchini, E. Franco, V. Lubicz, G. Martinelli, F. Parodi, M. Pierini, C. Schiavi, L. Silvestrini, V. Sordini, A. Stocchi, C. Tarantino, V. Vagnoni
Status of the Unitarity Triangle Analysis
4 pages, 2 figures. Proceedings of the 2009 Europhysics Conference on High Energy Physics, 16-22 July, Krakow
PoS EPS-HEP2009:160,2009
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present an update of the Unitarity Triangle (UT) analysis, within the Standard Model (SM) and beyond. Within the SM the main novelties are the inclusion in epsilon_K of the contributions of xi and phi_epsilon \neq \pi/4 pointed out by A.J. Buras and D. Guadagnoli, and an accurate prediction of BR(B -> tau nu), by ...
[ { "created": "Mon, 28 Sep 2009 10:57:14 GMT", "version": "v1" } ]
2010-11-11
[ [ "Bona", "M.", "" ], [ "Ciuchini", "M.", "" ], [ "Franco", "E.", "" ], [ "Lubicz", "V.", "" ], [ "Martinelli", "G.", "" ], [ "Parodi", "F.", "" ], [ "Pierini", "M.", "" ], [ "Schiavi", "C.", ...
We present an update of the Unitarity Triangle (UT) analysis, within the Standard Model (SM) and beyond. Within the SM the main novelties are the inclusion in epsilon_K of the contributions of xi and phi_epsilon \neq \pi/4 pointed out by A.J. Buras and D. Guadagnoli, and an accurate prediction of BR(B -> tau nu), by us...
hep-ph/9604286
null
G. Ingelman (Uppsala University, DESY Hamburg) and M. Thunman (Uppsala University)
Particle Production in the Interstellar Medium
13 pages, also available at http://www3.tsl.uu.se/thep/papers/
null
null
TSL/ISV-96-0136
hep-ph astro-ph
null
The flux of neutrinos and photons originating from cosmic ray interactions with the interstellar medium in the galaxy is calculated based on current models for high energy particle interactions. The contribution from a possible dark matter halo of the galaxy is considered. The photon flux gets a non-trivial attenuati...
[ { "created": "Thu, 11 Apr 1996 07:29:55 GMT", "version": "v1" } ]
2007-05-23
[ [ "Ingelman", "G.", "", "Uppsala University, DESY Hamburg" ], [ "Thunman", "M.", "", "Uppsala\n University" ] ]
The flux of neutrinos and photons originating from cosmic ray interactions with the interstellar medium in the galaxy is calculated based on current models for high energy particle interactions. The contribution from a possible dark matter halo of the galaxy is considered. The photon flux gets a non-trivial attenuation...
2208.00355
Tiancai Peng
Tiancai Peng, Zhimin Zhu, Siqi Xu, Xiang Liu, Chandan Mondal, Xingbo Zhao, James P. Vary
Basis light-front quantization approach to $\Lambda$ and $\Lambda_c$ and their isospin triplet baryons
19 pages, 16 figures
null
10.1103/PhysRevD.106.114040
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We obtain the masses, the electromagnetic properties, and the parton distribution functions (PDFs) of $\Lambda$, $\Lambda_c$, and their isospin triplet baryons, i.e, $\Sigma^0$, $\Sigma^+$, $\Sigma^-$ and $\Sigma_c^0$, $\Sigma_c^+$, $\Sigma_c^{++}$ from a light-front effective Hamiltonian in the leading Fock sector i...
[ { "created": "Sun, 31 Jul 2022 03:55:40 GMT", "version": "v1" } ]
2023-01-11
[ [ "Peng", "Tiancai", "" ], [ "Zhu", "Zhimin", "" ], [ "Xu", "Siqi", "" ], [ "Liu", "Xiang", "" ], [ "Mondal", "Chandan", "" ], [ "Zhao", "Xingbo", "" ], [ "Vary", "James P.", "" ] ]
We obtain the masses, the electromagnetic properties, and the parton distribution functions (PDFs) of $\Lambda$, $\Lambda_c$, and their isospin triplet baryons, i.e, $\Sigma^0$, $\Sigma^+$, $\Sigma^-$ and $\Sigma_c^0$, $\Sigma_c^+$, $\Sigma_c^{++}$ from a light-front effective Hamiltonian in the leading Fock sector in ...
hep-ph/0101275
Kirill Tuchin
E. Levin and K. Tuchin (Tel Aviv U.)
Nonlinear evolution and saturation for heavy nuclei in DIS
12 pages, 1 figure
Nucl.Phys. A693 (2001) 787-798
10.1016/S0375-9474(01)00880-6
TAUP-2664-2001
hep-ph
null
The nonlinear evolution equation for the scattering amplitude of colour dipole off the heavy nucleus is solved in the double logarithmic approximation. It is found that if the initial parton density in a nucleus is smaller then some critical value, then the scattering amplitude is a function of one scaling variable i...
[ { "created": "Wed, 24 Jan 2001 14:00:13 GMT", "version": "v1" }, { "created": "Fri, 9 Mar 2001 11:27:50 GMT", "version": "v2" } ]
2009-11-07
[ [ "Levin", "E.", "", "Tel Aviv U." ], [ "Tuchin", "K.", "", "Tel Aviv U." ] ]
The nonlinear evolution equation for the scattering amplitude of colour dipole off the heavy nucleus is solved in the double logarithmic approximation. It is found that if the initial parton density in a nucleus is smaller then some critical value, then the scattering amplitude is a function of one scaling variable ins...
hep-ph/9905370
Kenzo Ogure
K. Ogure and J. Sato
Critical Exponents of O(N) Scalar Model at Temperatures below the Critical Value using Auxiliary Mass Method
6 pages, 3 EPS figures, typeset PTP-Tex, published version
Prog.Theor.Phys. 102 (1999) 209-213
10.1143/PTP.102.209
UT-841
hep-ph cond-mat.stat-mech hep-th
null
We investigate a phase transition of the O(N) invariant scalar model using the auxiliary mass method. We determine the critical exponent $\beta$ by calculating an effective potential below the critical temperature. This work follows that of a previous paper.
[ { "created": "Mon, 17 May 1999 16:33:28 GMT", "version": "v1" }, { "created": "Tue, 15 Jun 1999 09:29:43 GMT", "version": "v2" } ]
2009-10-31
[ [ "Ogure", "K.", "" ], [ "Sato", "J.", "" ] ]
We investigate a phase transition of the O(N) invariant scalar model using the auxiliary mass method. We determine the critical exponent $\beta$ by calculating an effective potential below the critical temperature. This work follows that of a previous paper.
2011.13407
R. A. Abramchuk
Z.V.Khaidukov, R.A.Abramchuk
Chiral separation effect for spin 3/2 fermions
null
null
10.1007/JHEP07(2021)183
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Chiral Separation Effect (CSE) for systems that feature spin 3/2 fermions was considered. For the self-consistent Adler's model with relativistic massless Rarita-Schwinger fermions (RSA model), we found that the CSE conductivity is five times larger than for massless Dirac fermions. For a model of four-fold band cros...
[ { "created": "Thu, 26 Nov 2020 17:49:50 GMT", "version": "v1" }, { "created": "Mon, 8 Feb 2021 16:32:48 GMT", "version": "v2" }, { "created": "Sun, 2 May 2021 19:20:54 GMT", "version": "v3" }, { "created": "Wed, 9 Jun 2021 11:57:45 GMT", "version": "v4" } ]
2021-08-18
[ [ "Khaidukov", "Z. V.", "" ], [ "Abramchuk", "R. A.", "" ] ]
Chiral Separation Effect (CSE) for systems that feature spin 3/2 fermions was considered. For the self-consistent Adler's model with relativistic massless Rarita-Schwinger fermions (RSA model), we found that the CSE conductivity is five times larger than for massless Dirac fermions. For a model of four-fold band crossi...
2001.11388
Max Zoller
Stefano Pozzorini, Hantian Zhang and Max F. Zoller
Rational Terms of UV Origin at Two Loops
v2: Normalisation of MSbar poles clarified; v3: Version published on JHEP; References added; Further comments on use of master formula (5.61) in Sect. 6; New footnote on scale dependence in Sect. 5; Typos fixed and/or presentation improved in eqs. (4.8), (4.20), (5.2), (6.5), (6.7), (6.8), (A.2), (A.4); Results...
JHEP 05 (2020) 077
10.1007/JHEP05(2020)077
PSI-PR-20-01, ZU-TH 03/20
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The advent of efficient numerical algorithms for the construction of one-loop amplitudes has played a crucial role in the automation of NLO calculations, and the development of similar algorithms at two loops is a natural strategy for NNLO automation. Within a numerical framework the numerator of loop integrals is us...
[ { "created": "Thu, 30 Jan 2020 15:19:50 GMT", "version": "v1" }, { "created": "Sun, 9 Feb 2020 18:42:17 GMT", "version": "v2" }, { "created": "Thu, 4 Jun 2020 11:24:47 GMT", "version": "v3" } ]
2020-06-24
[ [ "Pozzorini", "Stefano", "" ], [ "Zhang", "Hantian", "" ], [ "Zoller", "Max F.", "" ] ]
The advent of efficient numerical algorithms for the construction of one-loop amplitudes has played a crucial role in the automation of NLO calculations, and the development of similar algorithms at two loops is a natural strategy for NNLO automation. Within a numerical framework the numerator of loop integrals is usua...
1606.00675
Florian Preis Dr.
Florian Preis and Andreas Schmitt
Layers of deformed instantons in holographic baryonic matter
37 pages, 7 figures, v2: two panels added to fig. 5, version to appear in JHEP
J. High Energ. Phys. (2016) 2016
10.1007/JHEP07(2016)001
null
hep-ph hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss homogeneous baryonic matter in the decompactified limit of the Sakai-Sugimoto model, improving existing approximations based on flat-space instantons. We allow for an anisotropic deformation of the instantons in the holographic and spatial directions and for a density-dependent distribution of arbitrarily ...
[ { "created": "Thu, 2 Jun 2016 13:48:07 GMT", "version": "v1" }, { "created": "Mon, 4 Jul 2016 12:08:55 GMT", "version": "v2" } ]
2016-07-05
[ [ "Preis", "Florian", "" ], [ "Schmitt", "Andreas", "" ] ]
We discuss homogeneous baryonic matter in the decompactified limit of the Sakai-Sugimoto model, improving existing approximations based on flat-space instantons. We allow for an anisotropic deformation of the instantons in the holographic and spatial directions and for a density-dependent distribution of arbitrarily ma...
1104.2405
Klaus Werner
K. Werner, K. Mikhailov, Iu. Karpenko, T. Pierog
Bose-Einstein Correlations in a Fluid Dynamical Scenario for Proton-Proton Scattering at 7 TeV
null
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Using a fluid dynamical scenario for $pp$ scattering at 7 TeV, we compute correlation functions for $\pi^+\pi^+$ pairs. Femtoscopic radii are extracted based on three-dimensional parametrizations of the correlation functions. We study the radii as a function of the transverse momenta of the pairs, for different multi...
[ { "created": "Wed, 13 Apr 2011 08:15:40 GMT", "version": "v1" }, { "created": "Fri, 15 Apr 2011 08:32:14 GMT", "version": "v2" } ]
2011-04-18
[ [ "Werner", "K.", "" ], [ "Mikhailov", "K.", "" ], [ "Karpenko", "Iu.", "" ], [ "Pierog", "T.", "" ] ]
Using a fluid dynamical scenario for $pp$ scattering at 7 TeV, we compute correlation functions for $\pi^+\pi^+$ pairs. Femtoscopic radii are extracted based on three-dimensional parametrizations of the correlation functions. We study the radii as a function of the transverse momenta of the pairs, for different multipl...
hep-ph/9908326
Michal Brhlik
M. Brhlik, L. Everett, G. L. Kane, and J. Lykken
Superstring Theory and CP- Violating Phases: Can They Be Related?
28 pages, 6 figures; corrected bug in the code and a few typos, results qualitatively unchanged
Phys.Rev.D62:035005,2000
10.1103/PhysRevD.62.035005
FERMILAB-PUB-99/230-T
hep-ph
null
We investigate the possibility of large CP- violating phases in the soft breaking terms derived in superstring models. The bounds on the electric dipole moments (EDM's) of the electron and neutron are satisfied through cancellations occuring because of the structure of the string models. Three general classes of four...
[ { "created": "Wed, 11 Aug 1999 21:06:40 GMT", "version": "v1" }, { "created": "Mon, 4 Oct 1999 16:36:20 GMT", "version": "v2" } ]
2008-11-26
[ [ "Brhlik", "M.", "" ], [ "Everett", "L.", "" ], [ "Kane", "G. L.", "" ], [ "Lykken", "J.", "" ] ]
We investigate the possibility of large CP- violating phases in the soft breaking terms derived in superstring models. The bounds on the electric dipole moments (EDM's) of the electron and neutron are satisfied through cancellations occuring because of the structure of the string models. Three general classes of four-d...
1705.03012
M. A. Perez-Garcia
M. Cerme\~no, M. A. P\'erez-Garc\'ia, R. A. Lineros
Enhanced neutrino emissivities in pseudoscalar-mediated Dark Matter annihilation in Neutron Stars
13 pages, 3 figures, 2 tables. Matches published version
Astrophysical Journal 863 (2) (2018) 157
10.3847/1538-4357/aad1ec
null
hep-ph astro-ph.SR
http://creativecommons.org/licenses/by/4.0/
We calculate neutrino emissivities from self-annihilating dark matter ($\chi$) in the dense and hot stellar interior of a (proto)neutron star. Using a model where dark matter interacts with nucleons in the stellar core through a pseudoscalar boson ($a$) we find that the neutrino production rates from the dominant rea...
[ { "created": "Mon, 8 May 2017 18:00:00 GMT", "version": "v1" }, { "created": "Wed, 7 Nov 2018 18:27:47 GMT", "version": "v2" } ]
2018-11-08
[ [ "Cermeño", "M.", "" ], [ "Pérez-García", "M. A.", "" ], [ "Lineros", "R. A.", "" ] ]
We calculate neutrino emissivities from self-annihilating dark matter ($\chi$) in the dense and hot stellar interior of a (proto)neutron star. Using a model where dark matter interacts with nucleons in the stellar core through a pseudoscalar boson ($a$) we find that the neutrino production rates from the dominant react...
hep-ph/9407372
Carlos Merino
A. Capella, A. Kaidalov, C. Merino and J. Tran Thanh Van
Diffractive Dissociation in Deep Inelastic Scattering at HERA
17 pages, TEX, preprint LPTHE Orsay 94-42
Phys.Lett. B343 (1995) 403-409
10.1016/0370-2693(94)01430-K
null
hep-ph
null
The diffraction dissociation of virtual photons is considered in the framework of conventional Regge theory. It is shown that the recent HERA data on large rapidity gap events can be successfully described in terms of the Pomeron structure function. Using Regge factorization, the latter can be related to the deuteron...
[ { "created": "Tue, 26 Jul 1994 09:54:45 GMT", "version": "v1" } ]
2009-10-28
[ [ "Capella", "A.", "" ], [ "Kaidalov", "A.", "" ], [ "Merino", "C.", "" ], [ "Van", "J. Tran Thanh", "" ] ]
The diffraction dissociation of virtual photons is considered in the framework of conventional Regge theory. It is shown that the recent HERA data on large rapidity gap events can be successfully described in terms of the Pomeron structure function. Using Regge factorization, the latter can be related to the deuteron s...
1708.01816
Suprabh Prakash
Raj Gandhi, Boris Kayser, Suprabh Prakash, Samiran Roy
What measurements of neutrino neutral current events can reveal
22 pages, 10 figures
JHEP 1711 (2017) 202
10.1007/JHEP11(2017)202
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that neutral current (NC) measurements at neutrino detectors can play a valuable role in the search for new physics. Such measurements have certain intrinsic features and advantages that can fruitfully be combined with the usual well-studied charged lepton detection channels in order to probe the presence of ...
[ { "created": "Sat, 5 Aug 2017 19:41:58 GMT", "version": "v1" }, { "created": "Sun, 17 Dec 2017 14:33:54 GMT", "version": "v2" } ]
2017-12-19
[ [ "Gandhi", "Raj", "" ], [ "Kayser", "Boris", "" ], [ "Prakash", "Suprabh", "" ], [ "Roy", "Samiran", "" ] ]
We show that neutral current (NC) measurements at neutrino detectors can play a valuable role in the search for new physics. Such measurements have certain intrinsic features and advantages that can fruitfully be combined with the usual well-studied charged lepton detection channels in order to probe the presence of ne...
2009.08635
BoQiang Lu
Cheng-Wei Chiang, Da Huang, Bo-Qiang Lu
Electroweak phase transition confronted with dark matter detection constraints
30 pages, 11 figures, 3 tables, v2 matches published version in JCAP
JCAP01(2021)035
10.1088/1475-7516/2021/01/035
null
hep-ph hep-ex
http://creativecommons.org/licenses/by-sa/4.0/
We study the type-II first-order electroweak phase transition and dark matter (DM) phenomenology in both real and complex singlet extensions of SM. In the real singlet extension with a $\mathbb{Z}_2$ symmetry, we show that the parameter regions favored by the phase transition suffer from strong constraints from DM di...
[ { "created": "Fri, 18 Sep 2020 05:53:04 GMT", "version": "v1" }, { "created": "Thu, 21 Jan 2021 11:18:35 GMT", "version": "v2" } ]
2021-01-22
[ [ "Chiang", "Cheng-Wei", "" ], [ "Huang", "Da", "" ], [ "Lu", "Bo-Qiang", "" ] ]
We study the type-II first-order electroweak phase transition and dark matter (DM) phenomenology in both real and complex singlet extensions of SM. In the real singlet extension with a $\mathbb{Z}_2$ symmetry, we show that the parameter regions favored by the phase transition suffer from strong constraints from DM dire...
1610.06587
Moritz Platscher
Manfred Lindner, Moritz Platscher, Farinaldo S. Queiroz
A Call for New Physics : The Muon Anomalous Magnetic Moment and Lepton Flavor Violation
Invited Review for Physics Reports, 192 pages, 39 figures; v2: extended discussion of lepton flavor violation in nuclear reactions and 3-body final states
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review how the muon anomalous magnetic moment ($g-2$) and the quest for lepton flavor violation are intimately correlated. Indeed the decay $\mu \to e \gamma$ is induced by the same amplitude for different choices of in- and outgoing leptons. In this work, we try to address some intriguing questions such as: Which...
[ { "created": "Thu, 20 Oct 2016 20:00:57 GMT", "version": "v1" }, { "created": "Thu, 7 Dec 2017 09:23:39 GMT", "version": "v2" } ]
2017-12-08
[ [ "Lindner", "Manfred", "" ], [ "Platscher", "Moritz", "" ], [ "Queiroz", "Farinaldo S.", "" ] ]
We review how the muon anomalous magnetic moment ($g-2$) and the quest for lepton flavor violation are intimately correlated. Indeed the decay $\mu \to e \gamma$ is induced by the same amplitude for different choices of in- and outgoing leptons. In this work, we try to address some intriguing questions such as: Which h...
1206.5301
Joshua T. Ruderman
Gilly Elor, Lawrence J. Hall, David Pinner and Joshua T. Ruderman
Yukawa Unification and the Superpartner Mass Scale
34 pages plus appendices, 20 figures
null
10.1007/JHEP10(2012)111
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Naturalness in supersymmetry (SUSY) is under siege by increasingly stringent LHC constraints, but natural electroweak symmetry breaking still remains the most powerful motivation for superpartner masses within experimental reach. If naturalness is the wrong criterion then what determines the mass scale of the superpa...
[ { "created": "Fri, 22 Jun 2012 20:00:01 GMT", "version": "v1" } ]
2015-06-05
[ [ "Elor", "Gilly", "" ], [ "Hall", "Lawrence J.", "" ], [ "Pinner", "David", "" ], [ "Ruderman", "Joshua T.", "" ] ]
Naturalness in supersymmetry (SUSY) is under siege by increasingly stringent LHC constraints, but natural electroweak symmetry breaking still remains the most powerful motivation for superpartner masses within experimental reach. If naturalness is the wrong criterion then what determines the mass scale of the superpart...
1510.01808
C. Q. Geng
Y.K. Hsiao, P.Y. Lin, L.W. Luo, C.Q. Geng
Fragmentation fractions of two-body b-baryon decays
10 pages, 1 figure, to be published in PLB
Phys. Lett. B 751 (2015) 127-130
10.1016/j.physletb.2015.10.013
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the fragmentation fractions $(f_{{\bf B}_b})$ of the $b$-quark to b-baryons (${\bf B}_b$). By the assumption of $f_{\Lambda_b}/(f_u+f_d)=0.25\pm 0.15$ in accordance with the measurements by LEP, CDF and LHCb Collaborations, we estimate that $f_{\Lambda_b}=0.175\pm 0.106$ and $f_{\Xi_b^{-,0}}=0.019\pm 0.013$....
[ { "created": "Wed, 7 Oct 2015 03:14:44 GMT", "version": "v1" } ]
2015-10-23
[ [ "Hsiao", "Y. K.", "" ], [ "Lin", "P. Y.", "" ], [ "Luo", "L. W.", "" ], [ "Geng", "C. Q.", "" ] ]
We study the fragmentation fractions $(f_{{\bf B}_b})$ of the $b$-quark to b-baryons (${\bf B}_b$). By the assumption of $f_{\Lambda_b}/(f_u+f_d)=0.25\pm 0.15$ in accordance with the measurements by LEP, CDF and LHCb Collaborations, we estimate that $f_{\Lambda_b}=0.175\pm 0.106$ and $f_{\Xi_b^{-,0}}=0.019\pm 0.013$. F...
0807.3384
Gergely G\'abor Barnaf\"oldi
G.G. Barnaf\"oldi, A. Adeluyi, G. Fai, P. L\'evai, G. Papp
Prospect of Rapidity Asymmetry and Nuclear Modifications
6 pages, 5 fidures, For the Proceedings of the 24th Winter Workshop on Nuclear Dynamics, South Padre, Texas, April 5-12, 2008
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In asymmetric heavy ion collisions like dA or pA, particle production yields are different in the forward (d- or p-side) and backward (A-side) rapidity directions. The rapidity distribution reflects the geometry and phase-space distribution of nuclear matter. These properties may depend on the time evolution of the c...
[ { "created": "Tue, 22 Jul 2008 03:14:27 GMT", "version": "v1" } ]
2008-07-23
[ [ "Barnaföldi", "G. G.", "" ], [ "Adeluyi", "A.", "" ], [ "Fai", "G.", "" ], [ "Lévai", "P.", "" ], [ "Papp", "G.", "" ] ]
In asymmetric heavy ion collisions like dA or pA, particle production yields are different in the forward (d- or p-side) and backward (A-side) rapidity directions. The rapidity distribution reflects the geometry and phase-space distribution of nuclear matter. These properties may depend on the time evolution of the col...
1402.4979
Philipp Wein
Philipp Wein, Peter C. Bruns, Andreas Sch\"afer
First moments of nucleon generalized parton distributions in chiral perturbation theory at full one-loop order
We have updated the text to match the version published in PRD
Phys. Rev. D 89, 116002 (2014)
10.1103/PhysRevD.89.116002
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we present chiral extrapolation formulas for the generalized form factors connected to the first moments of chiral-even generalized parton distributions. For the description of QCD at low energies we employ the framework of two-flavor covariant baryon chiral perturbation theory at full one-loop accuracy...
[ { "created": "Thu, 20 Feb 2014 12:15:33 GMT", "version": "v1" }, { "created": "Tue, 11 Nov 2014 14:16:02 GMT", "version": "v2" } ]
2014-11-12
[ [ "Wein", "Philipp", "" ], [ "Bruns", "Peter C.", "" ], [ "Schäfer", "Andreas", "" ] ]
In this paper we present chiral extrapolation formulas for the generalized form factors connected to the first moments of chiral-even generalized parton distributions. For the description of QCD at low energies we employ the framework of two-flavor covariant baryon chiral perturbation theory at full one-loop accuracy. ...
1901.05930
Vakhid Gani
Vakhid A. Gani, Maxim Yu. Khlopov, Dmitry N. Voskresensky
Superheavy objects composed of nuclear and dark matter
4 pages; Proceedings of the 4th International Conference on Particle Physics and Astrophysics (ICPPA-2018), Moscow, 22-26 October 2018
J. Phys.: Conf. Ser. 1390, 012095 (2019)
10.1088/1742-6596/1390/1/012095
null
hep-ph astro-ph.CO nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider a model of $O$He atomic dark matter formed by Coulomb binding of the hypothetical stable double-charged massive $O^{--}$ particles with nuclei of primordial helium. Such a dark matter can be captured by ordinary matter forming superheavy nuclei. We propose a possibility of self-bound by nuclear and electr...
[ { "created": "Thu, 17 Jan 2019 18:00:24 GMT", "version": "v1" } ]
2020-01-08
[ [ "Gani", "Vakhid A.", "" ], [ "Khlopov", "Maxim Yu.", "" ], [ "Voskresensky", "Dmitry N.", "" ] ]
We consider a model of $O$He atomic dark matter formed by Coulomb binding of the hypothetical stable double-charged massive $O^{--}$ particles with nuclei of primordial helium. Such a dark matter can be captured by ordinary matter forming superheavy nuclei. We propose a possibility of self-bound by nuclear and electrom...
1204.5862
Florian Bonnet
Florian Bonnet, Martin Hirsch, Toshihiko Ota, Walter Winter
Systematic study of the d=5 Weinberg operator at one-loop order
18 pages, 5 Figures, 4 Tables - Version to appear in JHEP
Journal of High Energy Physics, Volume 2012, Issue 7
10.1007/JHEP07(2012)153
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We perform a systematic study of the $d=5$ Weinberg operator at the one-loop level. We identify three different categories of neutrino mass generation: (1) finite irreducible diagrams; (2) finite extensions of the usual seesaw mechanisms at one-loop and (3) divergent loop realizations of the seesaws. All radiative on...
[ { "created": "Thu, 26 Apr 2012 08:25:30 GMT", "version": "v1" }, { "created": "Mon, 20 Aug 2012 15:05:11 GMT", "version": "v2" } ]
2017-08-23
[ [ "Bonnet", "Florian", "" ], [ "Hirsch", "Martin", "" ], [ "Ota", "Toshihiko", "" ], [ "Winter", "Walter", "" ] ]
We perform a systematic study of the $d=5$ Weinberg operator at the one-loop level. We identify three different categories of neutrino mass generation: (1) finite irreducible diagrams; (2) finite extensions of the usual seesaw mechanisms at one-loop and (3) divergent loop realizations of the seesaws. All radiative one-...
hep-ph/0306222
Davison E. Soper
Michael Kramer and Davison E. Soper
Next-to-leading order QCD calculations with parton showers I: collinear singularities
23 pages including 10 figures. This version is close to the version to be published. The most notable change is an expanded introduction
Phys.Rev.D69:054019,2004
10.1103/PhysRevD.69.054019
null
hep-ph
null
Programs that calculate observables in quantum chromodynamics at next-to-leading order typically suffer from the problem that, when considered as event generators, the events generated consist of partons rather than hadrons and just a few partons at that. Thus the events generated are completely unrealistic. These pr...
[ { "created": "Mon, 23 Jun 2003 21:26:49 GMT", "version": "v1" }, { "created": "Mon, 30 Jun 2003 22:27:55 GMT", "version": "v2" }, { "created": "Fri, 15 Aug 2003 21:32:37 GMT", "version": "v3" }, { "created": "Fri, 22 Aug 2003 01:19:37 GMT", "version": "v4" }, { "c...
2009-04-13
[ [ "Kramer", "Michael", "" ], [ "Soper", "Davison E.", "" ] ]
Programs that calculate observables in quantum chromodynamics at next-to-leading order typically suffer from the problem that, when considered as event generators, the events generated consist of partons rather than hadrons and just a few partons at that. Thus the events generated are completely unrealistic. These prog...
1110.2588
Hiroshi Yokoya
Xiao-Gang He, German Valencia, Hiroshi Yokoya
Color-octet scalars and potentially large CP violation at the LHC
16 pages, 4 figures
JHEP 1112 (2011) 030
10.1007/JHEP12(2011)030
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the phenomenology of CP violation in a color-octet extended scalar sector for t\bar{t} production and decay at the LHC. In particular we study the effect of the two neutral color-octet scalars S_I and S_R that occur in the model. There are two new sources of CP violation: a phase in the couplings of S_{I,...
[ { "created": "Wed, 12 Oct 2011 07:45:31 GMT", "version": "v1" } ]
2012-01-31
[ [ "He", "Xiao-Gang", "" ], [ "Valencia", "German", "" ], [ "Yokoya", "Hiroshi", "" ] ]
We consider the phenomenology of CP violation in a color-octet extended scalar sector for t\bar{t} production and decay at the LHC. In particular we study the effect of the two neutral color-octet scalars S_I and S_R that occur in the model. There are two new sources of CP violation: a phase in the couplings of S_{I,R}...
hep-ph/0112269
Rajiv V. Gavai
Rajiv V. Gavai
Quark number susceptibilities from lattice QCD
Talk presented at the 18th Alexander von Humboldt symposium ``100 Years Werner Heisenberg - Works and Impact'', Bamberg, Germany, September 26-30, 2001. 6 pages, LaTeX, buckow.sty needed
Fortsch.Phys. 50 (2002) 525-530
10.1002/1521-3978(200205)50:5/7<525::AID-PROP525>3.0.CO;2-N
TIFR/TH/01-50
hep-ph
null
Results from our recent investigations of quark number susceptibilities in both quenched and 2-flavour QCD are presented as a function of valence quark mass and temperature. A strong reduction (approx. 40%) is seen in the strange quark susceptibility above T_c in both the cases. A comparison of our isospin susceptibi...
[ { "created": "Thu, 20 Dec 2001 08:31:27 GMT", "version": "v1" } ]
2015-06-25
[ [ "Gavai", "Rajiv V.", "" ] ]
Results from our recent investigations of quark number susceptibilities in both quenched and 2-flavour QCD are presented as a function of valence quark mass and temperature. A strong reduction (approx. 40%) is seen in the strange quark susceptibility above T_c in both the cases. A comparison of our isospin susceptibili...
hep-ph/9401315
Mohammad
M. R. Ahmady and R. R. Mendel
The Decay $\eta_c \rightarrow \gamma \gamma$ : A Test for Potential Models
Estimates of likely relativistic corrections to the results have been added
Phys.Rev. D51 (1995) 141-146
10.1103/PhysRevD.51.141
null
hep-ph
null
We use a simple perturbation theory argument and measurements of charmonium leptonic widths $\Gamma (\psi_{NS} \rightarrow e^+e^-)$ to estimate the ratio \mbox{$R_\circ \equiv {\vert \Psi _{\eta_{c1S}}(0) \vert}^2 /{\vert\Psi_{\psi_{1 S}}(0)\vert}^2$} in the general context of non- relativistic potential models. We o...
[ { "created": "Mon, 24 Jan 1994 20:27:05 GMT", "version": "v1" }, { "created": "Thu, 3 Mar 1994 18:16:41 GMT", "version": "v2" } ]
2009-10-28
[ [ "Ahmady", "M. R.", "" ], [ "Mendel", "R. R.", "" ] ]
We use a simple perturbation theory argument and measurements of charmonium leptonic widths $\Gamma (\psi_{NS} \rightarrow e^+e^-)$ to estimate the ratio \mbox{$R_\circ \equiv {\vert \Psi _{\eta_{c1S}}(0) \vert}^2 /{\vert\Psi_{\psi_{1 S}}(0)\vert}^2$} in the general context of non- relativistic potential models. We obt...
hep-ph/9612348
null
Michael Melles (SLAC)
Exact Results on O(alpha^2) Single Bremsstrahlung Corrections to Low Angle Bhabha Scattering at LEP/SLC Energies
needs latest version of latex2e (otherwise press enter five times),59 pages,8 figures (eps),bbl file included. To be published in Acta Physica Polonica.
Acta Phys.Polon.B28:1159-1206,1997
null
SLAC-PUB 7383
hep-ph
null
In this thesis exact results on O(alpha^2) single bremsstrahlung corrections to low angle Bhabha scattering at LEP/SLC energies are given. The calculation represents the last outstanding theoretical second order subleading electroweak contribution for that process, needed to determine the experimental luminosity at s...
[ { "created": "Fri, 13 Dec 1996 01:11:38 GMT", "version": "v1" } ]
2011-06-20
[ [ "Melles", "Michael", "", "SLAC" ] ]
In this thesis exact results on O(alpha^2) single bremsstrahlung corrections to low angle Bhabha scattering at LEP/SLC energies are given. The calculation represents the last outstanding theoretical second order subleading electroweak contribution for that process, needed to determine the experimental luminosity at sec...
0708.1686
Michal Praszalowicz
Michal Praszalowicz and Klaus Goeke
On the exotic eikosiheptaplet
11 pages, 2 figures, v2 accepted for publication in Phys. Rev. D
null
null
null
hep-ph
null
We use the chiral quark soliton model to estimate masses and widths of the two eikosiheptaplets (27-plets of SU(3) flavor) of spin 3/2 and 1/2 that emerge in the rigid rotator quantization. We use as input: hyperon decays, Theta+ mass and width. While 27_{3/2} has small widths (although much larger than the values al...
[ { "created": "Mon, 13 Aug 2007 10:23:14 GMT", "version": "v1" }, { "created": "Wed, 19 Sep 2007 17:42:37 GMT", "version": "v2" } ]
2007-09-19
[ [ "Praszalowicz", "Michal", "" ], [ "Goeke", "Klaus", "" ] ]
We use the chiral quark soliton model to estimate masses and widths of the two eikosiheptaplets (27-plets of SU(3) flavor) of spin 3/2 and 1/2 that emerge in the rigid rotator quantization. We use as input: hyperon decays, Theta+ mass and width. While 27_{3/2} has small widths (although much larger than the values allo...
1303.5924
Mohammad Athar SAJJAD
M. Rafi Alam, I. Ruiz Simo, M. Sajjad Athar, L. Alvarez-Ruso and M. J. Vicente Vacas
Weak production of strange particles off the nucleon
submitted in NUINT 12 conference proceeding
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The strange particle production off the nucleon induced by neutrinos and antineutrinos is investigated at low and intermediate energies. We develop a microscopic model based on the SU(3) chiral Lagrangian. The studied mechanisms are the main source of single kaon production for (anti)neutrino energies up to 1.5 GeV. ...
[ { "created": "Sun, 24 Mar 2013 08:25:56 GMT", "version": "v1" } ]
2013-03-26
[ [ "Alam", "M. Rafi", "" ], [ "Simo", "I. Ruiz", "" ], [ "Athar", "M. Sajjad", "" ], [ "Alvarez-Ruso", "L.", "" ], [ "Vacas", "M. J. Vicente", "" ] ]
The strange particle production off the nucleon induced by neutrinos and antineutrinos is investigated at low and intermediate energies. We develop a microscopic model based on the SU(3) chiral Lagrangian. The studied mechanisms are the main source of single kaon production for (anti)neutrino energies up to 1.5 GeV. Us...
hep-ph/9503290
null
M. Anselmino, M. Boglione (University and INFN, Torino), F. Murgia (INFN, Cagliari)
Single spin asymmetry for $p^{\uparrow}p \to \pi X$ in perturbative QCD
11 pages + 1 figure, plain LaTeX, figure appended as uuencoded, compressed postscript file. Revised version, to be published in Phys. Lett. B; extensive changes in Sections 1 and 2, new References added, results and conclusions essentially unchanged
Phys.Lett. B362 (1995) 164-172
10.1016/0370-2693(95)01168-P
DFTT48/94, INFNCA-TH-94-27
hep-ph
null
Within the QCD-improved parton model and assuming the factorization theorem to hold in the helicity basis and for higher twist contributions, we show how non zero single spin asymmetries in hadron-hadron high energy and moderately large $p_T$ inclusive processes can be obtained, even in massless perturbative QCD, pro...
[ { "created": "Fri, 10 Mar 1995 12:54:31 GMT", "version": "v1" }, { "created": "Tue, 3 Oct 1995 14:32:41 GMT", "version": "v2" } ]
2009-10-28
[ [ "Anselmino", "M.", "", "University and INFN, Torino" ], [ "Boglione", "M.", "", "University and INFN, Torino" ], [ "Murgia", "F.", "", "INFN, Cagliari" ] ]
Within the QCD-improved parton model and assuming the factorization theorem to hold in the helicity basis and for higher twist contributions, we show how non zero single spin asymmetries in hadron-hadron high energy and moderately large $p_T$ inclusive processes can be obtained, even in massless perturbative QCD, provi...
1611.09629
Byung-Geel Yu
Byung-Geel Yu and Kook-Jin Kong
Investigating convergence of the reaction $\gamma p\to\pi^\pm\Delta$ and tensor meson $a_2$ exchange at high energy
6 pages, 4 figures, 1 table
Phys. Lett. B769, 262 (2017)
10.1016/j.physletb.2017.03.070
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A Regge approach to the reaction processes $\gamma p\to\pi^-\Delta^{++}$ and $\gamma p\to\pi^+\Delta^0$ is presented for the description of existing data up to $E_\gamma= 16$ GeV. The model consists of the $t$-channel $\pi(139)+\rho(775)+a_2(1320)$ exchanges which are reggeized from the relevant Born amplitude. Discu...
[ { "created": "Tue, 29 Nov 2016 13:45:36 GMT", "version": "v1" }, { "created": "Wed, 30 Nov 2016 05:49:37 GMT", "version": "v2" }, { "created": "Thu, 20 Apr 2017 12:04:55 GMT", "version": "v3" }, { "created": "Mon, 17 Jul 2017 14:05:08 GMT", "version": "v4" }, { "c...
2017-07-20
[ [ "Yu", "Byung-Geel", "" ], [ "Kong", "Kook-Jin", "" ] ]
A Regge approach to the reaction processes $\gamma p\to\pi^-\Delta^{++}$ and $\gamma p\to\pi^+\Delta^0$ is presented for the description of existing data up to $E_\gamma= 16$ GeV. The model consists of the $t$-channel $\pi(139)+\rho(775)+a_2(1320)$ exchanges which are reggeized from the relevant Born amplitude. Discuss...
hep-ph/0409195
Radovan Dermisek
Radovan Dermisek
Fermion Masses and Bi-large Lepton Mixing from Singular Matrices
4 pages, to appear in the proceedings of SUSY 2004: The 12th International Conference on Supersymmetry and Unification of Fundamental Interactions, Tsukuba, Japan, June 17-23, 2004
null
null
UCD-04-25
hep-ph
null
We discuss conditions under which bi-large mixing in the lepton sector is achieved assuming that all Yukawa matrices and the right-handed neutrino mass matrix have the same singular form in the leading order. Due to obvious quark lepton symmetry, this approach can be embedded into grand unified theories. The right-ha...
[ { "created": "Thu, 16 Sep 2004 00:12:18 GMT", "version": "v1" } ]
2007-05-23
[ [ "Dermisek", "Radovan", "" ] ]
We discuss conditions under which bi-large mixing in the lepton sector is achieved assuming that all Yukawa matrices and the right-handed neutrino mass matrix have the same singular form in the leading order. Due to obvious quark lepton symmetry, this approach can be embedded into grand unified theories. The right-hand...
hep-ph/9805283
Werner Vogelsang
A. Bassetto, G. Heinrich, Z. Kunszt, W. Vogelsang
The light-cone gauge and the calculation of the two-loop splitting functions
41 Pages, LaTeX, 8 figures and tables as eps files
Phys.Rev.D58:094020,1998
10.1103/PhysRevD.58.094020
CERN-TH/98-133, ETH-TH/98-12, DFPD 98/TH 19
hep-ph hep-th
null
We present calculations of next-to-leading order QCD splitting functions, employing the light-cone gauge method of Curci, Furmanski, and Petronzio (CFP). In contrast to the `principal-value' prescription used in the original CFP paper for dealing with the poles of the light-cone gauge gluon propagator, we adopt the M...
[ { "created": "Mon, 11 May 1998 15:20:29 GMT", "version": "v1" } ]
2014-11-17
[ [ "Bassetto", "A.", "" ], [ "Heinrich", "G.", "" ], [ "Kunszt", "Z.", "" ], [ "Vogelsang", "W.", "" ] ]
We present calculations of next-to-leading order QCD splitting functions, employing the light-cone gauge method of Curci, Furmanski, and Petronzio (CFP). In contrast to the `principal-value' prescription used in the original CFP paper for dealing with the poles of the light-cone gauge gluon propagator, we adopt the Man...
1301.5217
Stefan Groote Dr.
S. Groote, J. G. K\"orner, P. Tuvike
The decays of on-shell and off-shell polarized gauge bosons into massive quark pairs at NLO QCD
5 pages, 2 figures, invited talk given by J.G. K\"orner at the 20th International Symposium on Spin Physics, September 17-22, 2012, Dubna Russia
Phys. Part. Nucl. 45 (2014) 214-216
10.1134/S1063779614010419
MITP/13-009
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the polar angle decay distribution in the decay of on-shell and off-shell polarized (W,Z) gauge bosons into massive quark pairs. In particular for the off-shell decays in $H \to (W,Z) + (W^\ast,Z^\ast) (\to q_1\bar q_2)$ it is important to keep the masses of the charm and bottom quarks at their finite valu...
[ { "created": "Tue, 22 Jan 2013 16:00:20 GMT", "version": "v1" }, { "created": "Wed, 23 Jan 2013 11:54:37 GMT", "version": "v2" }, { "created": "Fri, 10 Jan 2014 07:26:29 GMT", "version": "v3" } ]
2014-01-13
[ [ "Groote", "S.", "" ], [ "Körner", "J. G.", "" ], [ "Tuvike", "P.", "" ] ]
We discuss the polar angle decay distribution in the decay of on-shell and off-shell polarized (W,Z) gauge bosons into massive quark pairs. In particular for the off-shell decays in $H \to (W,Z) + (W^\ast,Z^\ast) (\to q_1\bar q_2)$ it is important to keep the masses of the charm and bottom quarks at their finite values...
1701.02263
Hong-Hao Zhang
Jie Feng, Hong-Hao Zhang
Dark Matter Search in Space: Combined Analysis of Cosmic Ray Antiproton-to-Proton Flux Ratio and Positron Flux Measured by AMS-02
10 pages, 7 figures, 2 table, accepted for publication in the ApJ
Astrophys.J. 858,116(2018)
10.3847/1538-4357/aabf87
null
hep-ph astro-ph.CO hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dark matter search in space has been carried out for many years. Measurements of cosmic ray photons, charged antiparticles and neutrinos are useful tools for dark matter indirect search. The antiparticle energy spectra of cosmic rays have several exciting features such as the unexpected positron excess at energy abou...
[ { "created": "Mon, 9 Jan 2017 17:07:56 GMT", "version": "v1" }, { "created": "Thu, 12 Jan 2017 12:43:08 GMT", "version": "v2" }, { "created": "Sun, 14 Jan 2018 17:34:44 GMT", "version": "v3" }, { "created": "Wed, 18 Apr 2018 19:19:51 GMT", "version": "v4" } ]
2018-05-16
[ [ "Feng", "Jie", "" ], [ "Zhang", "Hong-Hao", "" ] ]
Dark matter search in space has been carried out for many years. Measurements of cosmic ray photons, charged antiparticles and neutrinos are useful tools for dark matter indirect search. The antiparticle energy spectra of cosmic rays have several exciting features such as the unexpected positron excess at energy about ...
1704.08549
Nikolaos Kidonakis
Nikolaos Kidonakis
Higher-order radiative corrections for $b{\bar b} \rightarrow H^- W^+$
14 pages, 8 figures; additional material in v2
Phys. Rev. D 97, 034002 (2018)
10.1103/PhysRevD.97.034002
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I present higher-order radiative corrections from collinear and soft gluon emission for the associated production of a charged Higgs boson with a $W$ boson. The calculation uses expressions from resummation at next-to-leading-logarithm accuracy. From the resummed cross section I derive analytical formulas at approxim...
[ { "created": "Thu, 27 Apr 2017 13:16:51 GMT", "version": "v1" }, { "created": "Wed, 20 Dec 2017 15:43:28 GMT", "version": "v2" } ]
2018-02-07
[ [ "Kidonakis", "Nikolaos", "" ] ]
I present higher-order radiative corrections from collinear and soft gluon emission for the associated production of a charged Higgs boson with a $W$ boson. The calculation uses expressions from resummation at next-to-leading-logarithm accuracy. From the resummed cross section I derive analytical formulas at approximat...
0704.1061
Xiao-Gang He
Kuang-Ta Chao, Xiao-Gang He, Jian-Ping Ma
Comment on "Chiral Suppression of Scalar Glueball Decay"
Comment published in Phys. Rev. Lett. 98, 149103(2007)
Phys.Rev.Lett.98:149103,2007
10.1103/PhysRevLett.98.149103
CTS-NTU-40907
hep-ph hep-ex
null
Comment on ``Chiral Suppression of Scalar Glueball Decay''
[ { "created": "Mon, 9 Apr 2007 04:10:38 GMT", "version": "v1" } ]
2008-11-26
[ [ "Chao", "Kuang-Ta", "" ], [ "He", "Xiao-Gang", "" ], [ "Ma", "Jian-Ping", "" ] ]
Comment on ``Chiral Suppression of Scalar Glueball Decay''
hep-ph/9909337
Kiselev Valery V.
V.V.Kiselev, A.I.Onishchenko
Doubly heavy baryons in sum rules of NRQCD
17 pages, LATEX file and 6 eps-figures
Nucl.Phys. B581 (2000) 432-448
10.1016/S0550-3213(00)00128-0
null
hep-ph
null
The masses of baryons containing two heavy quarks and their couplings to the corresponding quark currents are evaluated in the framework of NRQCD sum rules. The coulomb-like corrections in the system of doubly heavy diquark are taken into account, and the contribution of nonperturbative terms coming from the quark, g...
[ { "created": "Mon, 13 Sep 1999 07:52:24 GMT", "version": "v1" } ]
2009-10-31
[ [ "Kiselev", "V. V.", "" ], [ "Onishchenko", "A. I.", "" ] ]
The masses of baryons containing two heavy quarks and their couplings to the corresponding quark currents are evaluated in the framework of NRQCD sum rules. The coulomb-like corrections in the system of doubly heavy diquark are taken into account, and the contribution of nonperturbative terms coming from the quark, glu...
hep-ph/9903415
Alexander Ya. Parkhomenko
N.V. Mikheev, A.Ya. Parkhomenko and L.A. Vassilevskaya (Yaroslavl State (Demidov) University, Russia)
Axion in an External Electromagnetic Field
12 pages, revtex, 6 PS figures. Error in Eq.(36) corrected, minor text changes
Phys.Rev. D60 (1999) 035001
10.1103/PhysRevD.60.035001
YARU-HE-99/02
hep-ph
null
We investigate the effective interaction of a pseudoscalar particle with two photons in an external electromagnetic field in the general case of all external particles being off the mass shell. This interaction is used to study the radiative decay $a \to \gamma \gamma$ of the axion, a pseudoscalar particle associated...
[ { "created": "Fri, 19 Mar 1999 18:09:50 GMT", "version": "v1" }, { "created": "Fri, 9 Jul 1999 12:03:22 GMT", "version": "v2" } ]
2009-10-31
[ [ "Mikheev", "N. V.", "", "Yaroslavl\n State" ], [ "Parkhomenko", "A. Ya.", "", "Yaroslavl\n State" ], [ "Vassilevskaya", "L. A.", "", "Yaroslavl\n State" ] ]
We investigate the effective interaction of a pseudoscalar particle with two photons in an external electromagnetic field in the general case of all external particles being off the mass shell. This interaction is used to study the radiative decay $a \to \gamma \gamma$ of the axion, a pseudoscalar particle associated w...
0902.2817
Harald Fritzsch
H. Fritzsch
Flavor Mixing, Neutrino Masses and Neutrino Oscillations
4 pages
AIP Conf.Proc.1134:187-189,2009
10.1063/1.3149490
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study a model for the mass matrices of the leptons. We are ablte to relate the mass eigenvalues of the charged leptons and of the neutrinos to the mxiing angles and can predict the masses of the neutrinos. We find a normal hierarchy -the masses are 0.004 eV, 0.01 eV and 0.05 eV. The atmospheric mixing angle is giv...
[ { "created": "Tue, 17 Feb 2009 01:43:42 GMT", "version": "v1" } ]
2010-04-21
[ [ "Fritzsch", "H.", "" ] ]
We study a model for the mass matrices of the leptons. We are ablte to relate the mass eigenvalues of the charged leptons and of the neutrinos to the mxiing angles and can predict the masses of the neutrinos. We find a normal hierarchy -the masses are 0.004 eV, 0.01 eV and 0.05 eV. The atmospheric mixing angle is given...
1106.4839
Karolis Tamosiunas
Karolis Tamosiunas
Longitudinal Scaling of Elliptic Flow in Landau Hydrodynamics
7 pages 1 figure
Eur. Phys. J. A (2011) 47: 121
10.1140/epja/i2011-11121-5
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This study presents generalization of the Landau hydrodynamic solution for multiparticle production applied to non-central relativistic heavy ion collisions. Obtained results shows longitudinal scaling of elliptic flow $v_2$ as a function of rapidity shifted by beam rapidity ($y-y_{beam}$) for different energies ($\s...
[ { "created": "Thu, 23 Jun 2011 21:37:59 GMT", "version": "v1" }, { "created": "Fri, 14 Oct 2011 17:53:30 GMT", "version": "v2" } ]
2011-10-17
[ [ "Tamosiunas", "Karolis", "" ] ]
This study presents generalization of the Landau hydrodynamic solution for multiparticle production applied to non-central relativistic heavy ion collisions. Obtained results shows longitudinal scaling of elliptic flow $v_2$ as a function of rapidity shifted by beam rapidity ($y-y_{beam}$) for different energies ($\sqr...
hep-ph/0405137
Ulrich Jentschura
Ulrich D. Jentschura and Peter J. Mohr
Electron Self Energy for Higher Excited S Levels
3 pages, RevTeX, to appear in Phys. Rev. A
Phys.Rev. A69 (2004) 064103
10.1103/PhysRevA.69.064103
null
hep-ph
null
A nonperturbative numerical evaluation of the one-photon electron self energy for the 3S and 4S states with charge numbers Z=1 to 5 is described. The numerical results are in agreement with known terms in the expansion of the self energy in powers of Zalpha.
[ { "created": "Fri, 14 May 2004 16:18:46 GMT", "version": "v1" } ]
2007-05-23
[ [ "Jentschura", "Ulrich D.", "" ], [ "Mohr", "Peter J.", "" ] ]
A nonperturbative numerical evaluation of the one-photon electron self energy for the 3S and 4S states with charge numbers Z=1 to 5 is described. The numerical results are in agreement with known terms in the expansion of the self energy in powers of Zalpha.
1310.8129
Shoaib Munir
Shoaib Munir
Novel Higgs-to-125 GeV Higgs boson decays in the complex NMSSM
33 pages, 3 figures. Some improvements in text. Version to appear in PRD
Phys. Rev. D 89, 095013 (2014)
10.1103/PhysRevD.89.095013
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the Next-to-Minimal Supersymmetric Standard Model (NMSSM) a variety of parameter configurations yields a Higgs boson consistent with the one observed at the LHC. Additionally, the Higgs sector of the model can contain explicit CP-violating phases even at the tree level, in contrast with the Minimal Supersymmetric ...
[ { "created": "Wed, 30 Oct 2013 12:49:26 GMT", "version": "v1" }, { "created": "Sat, 21 Dec 2013 16:29:34 GMT", "version": "v2" }, { "created": "Mon, 5 May 2014 10:35:50 GMT", "version": "v3" } ]
2014-05-15
[ [ "Munir", "Shoaib", "" ] ]
In the Next-to-Minimal Supersymmetric Standard Model (NMSSM) a variety of parameter configurations yields a Higgs boson consistent with the one observed at the LHC. Additionally, the Higgs sector of the model can contain explicit CP-violating phases even at the tree level, in contrast with the Minimal Supersymmetric St...
hep-ph/0409157
Geza Gyorgyi
T. S. Biro, G. Gyorgyi, A. Jakovac, G. Purcsel
Non-Gibbs Particle Spectra from Thermal Equilibrium
20 pages in preprint format incl. 3 figures
null
null
null
hep-ph
null
We propose that transverse momentum spectra with power-law tails observed in ultrarelativistic heavy ion collisions can be interpreted as originating in a medium in thermal equilibrium. General conditions on the dynamical equations are formulated, leading in equilibrium to various energy distributions of particles. S...
[ { "created": "Tue, 14 Sep 2004 15:22:28 GMT", "version": "v1" } ]
2007-05-23
[ [ "Biro", "T. S.", "" ], [ "Gyorgyi", "G.", "" ], [ "Jakovac", "A.", "" ], [ "Purcsel", "G.", "" ] ]
We propose that transverse momentum spectra with power-law tails observed in ultrarelativistic heavy ion collisions can be interpreted as originating in a medium in thermal equilibrium. General conditions on the dynamical equations are formulated, leading in equilibrium to various energy distributions of particles. Sta...
hep-ph/9406222
Georg Botz
G.W. Botz, D. Bru{\ss}, O. Nachtmann
Polarization Rotation Effects due to Parity Violation in Atoms
71 pages, LaTeX (uses rotating.sty), 27 pages with figures (compressed ps-file, uuencoded) appended at the end
Annals Phys. 240 (1995) 107-202
10.1006/aphy.1995.1043
HD-THEP-94-14
hep-ph nucl-th
null
We present a study of parity (P) violating polarization rotations of atoms in external electric fields. Five different types of rotations are identified and the consequences of time reversal invariance (T) are discussed. The role played by Zeldovich's electric dipole moment of unstable states is elucidated. To calcul...
[ { "created": "Fri, 3 Jun 1994 14:19:13 GMT", "version": "v1" } ]
2015-06-25
[ [ "Botz", "G. W.", "" ], [ "Bruß", "D.", "" ], [ "Nachtmann", "O.", "" ] ]
We present a study of parity (P) violating polarization rotations of atoms in external electric fields. Five different types of rotations are identified and the consequences of time reversal invariance (T) are discussed. The role played by Zeldovich's electric dipole moment of unstable states is elucidated. To calculat...
1403.6810
Lukas Witkowski
Arthur Hebecker, Patrick Mangat, Fabrizio Rompineve and Lukas T. Witkowski
Dark Radiation predictions from general Large Volume Scenarios
29 pages, 5 figures; v2: typos removed, references added
JHEP 1409:140,2014
10.1007/JHEP09(2014)140
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recent observations constrain the amount of Dark Radiation ($\Delta N_{\rm eff}$) and may even hint towards a non-zero value of $\Delta N_{\rm eff}$. It is by now well-known that this puts stringent constraints on the sequestered Large Volume Scenario (LVS), i.e. on LVS realisations with the Standard Model at a singu...
[ { "created": "Wed, 26 Mar 2014 19:44:07 GMT", "version": "v1" }, { "created": "Mon, 5 May 2014 15:31:40 GMT", "version": "v2" } ]
2014-10-01
[ [ "Hebecker", "Arthur", "" ], [ "Mangat", "Patrick", "" ], [ "Rompineve", "Fabrizio", "" ], [ "Witkowski", "Lukas T.", "" ] ]
Recent observations constrain the amount of Dark Radiation ($\Delta N_{\rm eff}$) and may even hint towards a non-zero value of $\Delta N_{\rm eff}$. It is by now well-known that this puts stringent constraints on the sequestered Large Volume Scenario (LVS), i.e. on LVS realisations with the Standard Model at a singula...
0712.2969
Tord Riemann
J. Gluza and T. Riemann
New results for 5-point functions
9 pages, 1 figure, to appear in Proc. of Linear Collider Workshop 2007 (LCWS 07), Hamburg (Germany), May 30 - June 3, 2007
ECONF C0705302:LOOP01,2007
null
DESY 07-013, HEPTOOLS 07-086, SFB/CPP-07-86
hep-ph
null
Bhabha scattering is one of the processes at the ILC where high precision data will be expected. The complete NNLO corrections include radiative loop corrections, with contributions from Feynman diagrams with five external legs. We take these diagrams as an example and discuss several features of the evaluation of pe...
[ { "created": "Tue, 18 Dec 2007 14:23:11 GMT", "version": "v1" } ]
2009-02-16
[ [ "Gluza", "J.", "" ], [ "Riemann", "T.", "" ] ]
Bhabha scattering is one of the processes at the ILC where high precision data will be expected. The complete NNLO corrections include radiative loop corrections, with contributions from Feynman diagrams with five external legs. We take these diagrams as an example and discuss several features of the evaluation of pent...
hep-ph/0512121
Marco Guzzi
Vincenzo Barone, Alessandro Cafarella, Claudio Coriano', Marco Guzzi and Philip Ratcliffe
Double Transverse-Spin Asymmetries in Drell-Yan Processes with Antiprotons
11 pages, 7 figures, uses elsart and feynmp (included); one new reference added
Phys.Lett.B639:483-487,2006
10.1016/j.physletb.2006.07.012
null
hep-ph
null
We present next-to-leading order predictions for double transverse-spin asymmetries in Drell--Yan dilepton production initiated by proton--antiproton scattering. The kinematic region of the proposed PAX experiment at GSI: $30\lesssim{s}\lesssim200\GeV^2$ and $2\lesssim{M}\lesssim7\GeV$ is examined. The Drell--Yan asy...
[ { "created": "Fri, 9 Dec 2005 10:50:12 GMT", "version": "v1" }, { "created": "Sun, 18 Dec 2005 07:18:23 GMT", "version": "v2" }, { "created": "Thu, 20 Apr 2006 13:33:30 GMT", "version": "v3" }, { "created": "Fri, 19 May 2006 16:27:58 GMT", "version": "v4" }, { "cr...
2009-09-29
[ [ "Barone", "Vincenzo", "" ], [ "Cafarella", "Alessandro", "" ], [ "Coriano'", "Claudio", "" ], [ "Guzzi", "Marco", "" ], [ "Ratcliffe", "Philip", "" ] ]
We present next-to-leading order predictions for double transverse-spin asymmetries in Drell--Yan dilepton production initiated by proton--antiproton scattering. The kinematic region of the proposed PAX experiment at GSI: $30\lesssim{s}\lesssim200\GeV^2$ and $2\lesssim{M}\lesssim7\GeV$ is examined. The Drell--Yan asymm...
1311.0550
Andrey Grozin
Andrey Grozin
Effective weak Lagrangians in the Standard Model and B decays
Lectures at the Helmholtz International Summer School "Physics of Heavy Quarks and Hadrons", Dubna, July 15-18
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Weak processes (e.g., B decays) with characteristic energies <<M_W can be described by an effective theory which does not contain W, Z and other heavy particles (Higgs, t). Its Lagrangian contains four-fermion interaction operators. Essentially it is the theory proposed by Fermi and improved by Feynman, Gell-Mann, Ma...
[ { "created": "Mon, 4 Nov 2013 00:21:37 GMT", "version": "v1" } ]
2013-11-05
[ [ "Grozin", "Andrey", "" ] ]
Weak processes (e.g., B decays) with characteristic energies <<M_W can be described by an effective theory which does not contain W, Z and other heavy particles (Higgs, t). Its Lagrangian contains four-fermion interaction operators. Essentially it is the theory proposed by Fermi and improved by Feynman, Gell-Mann, Mars...
hep-ph/9206246
null
T. Han, G. Valencia and S. Willenbrock (FNAL and BNL)
Structure Function Approach to Vector-Boson Scattering in pp Collisions
11 pages, latex file, 2 figures. Figs. 2a and 2b appended as postscript files. Fig. 1 is available from the authors. Send request to HAN@FNAL VALENCIA@FNAL or SCOTTW@BNL
Phys.Rev.Lett. 69 (1992) 3274-3277
10.1103/PhysRevLett.69.3274
FERMILAB-PUB-92/171-T
hep-ph
null
We discuss weak-vector-boson scattering, at next-to-leading order in QCD, within the framework of hadronic structure functions. We use this approach to calculate the Higgs-boson production cross section via vector-boson fusion at the LHC/SSC; we find a modest increase over the leading-order prediction. We also give e...
[ { "created": "Wed, 24 Jun 1992 00:18:36 GMT", "version": "v1" } ]
2009-10-22
[ [ "Han", "T.", "", "FNAL and BNL" ], [ "Valencia", "G.", "", "FNAL and BNL" ], [ "Willenbrock", "S.", "", "FNAL and BNL" ] ]
We discuss weak-vector-boson scattering, at next-to-leading order in QCD, within the framework of hadronic structure functions. We use this approach to calculate the Higgs-boson production cross section via vector-boson fusion at the LHC/SSC; we find a modest increase over the leading-order prediction. We also give exp...
2205.10904
Luca Visinelli
Youjia Wu, Sebastian Baum, Katherine Freese, Luca Visinelli, Hai-Bo Yu
Dark Stars Powered by Self-Interacting Dark Matter
11 pages, 4 figures. Matches the published version
Phys. Rev. D 106 (4) 043028 (2022)
10.1103/PhysRevD.106.043028
UTTG 12-2021; LCTP-21-18; NORDITA 2021-068
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dark matter annihilation might power the first luminous stars in the Universe. These types of stars, known as dark stars, could form in $(10^6\mathrm{-}10^8)\,M_\odot$ protohalos at redshifts $z \sim 20$, and they could be much more luminous and larger in size than ordinary stars powered by nuclear fusion. We investi...
[ { "created": "Sun, 22 May 2022 18:54:43 GMT", "version": "v1" }, { "created": "Mon, 29 Aug 2022 15:19:02 GMT", "version": "v2" } ]
2022-08-30
[ [ "Wu", "Youjia", "" ], [ "Baum", "Sebastian", "" ], [ "Freese", "Katherine", "" ], [ "Visinelli", "Luca", "" ], [ "Yu", "Hai-Bo", "" ] ]
Dark matter annihilation might power the first luminous stars in the Universe. These types of stars, known as dark stars, could form in $(10^6\mathrm{-}10^8)\,M_\odot$ protohalos at redshifts $z \sim 20$, and they could be much more luminous and larger in size than ordinary stars powered by nuclear fusion. We investiga...
1209.1292
A. Bashir
F. Akram, A. Bashir, L.X. Gutierrez-Guerrero, B. Masud, J. Rodriguez-Quintero, C. Calcaneo-Roldan, M.E. Tejeda-Yeomans
Vacuum Polarization and Dynamical Chiral Symmetry Breaking: Phase Diagram of QED with Four-Fermion Contact Interaction
9 pages, 10 figures
null
10.1103/PhysRevD.87.013011
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study chiral symmetry breaking for fundamental charged fermions coupled electromagnetically to photons with the inclusion of four-fermion contact self-interaction term. We employ multiplicatively renormalizable models for the photon dressing function and the electron-photon vertex which minimally ensures mass anom...
[ { "created": "Thu, 6 Sep 2012 14:31:00 GMT", "version": "v1" } ]
2013-05-30
[ [ "Akram", "F.", "" ], [ "Bashir", "A.", "" ], [ "Gutierrez-Guerrero", "L. X.", "" ], [ "Masud", "B.", "" ], [ "Rodriguez-Quintero", "J.", "" ], [ "Calcaneo-Roldan", "C.", "" ], [ "Tejeda-Yeomans", "M. E.", "...
We study chiral symmetry breaking for fundamental charged fermions coupled electromagnetically to photons with the inclusion of four-fermion contact self-interaction term. We employ multiplicatively renormalizable models for the photon dressing function and the electron-photon vertex which minimally ensures mass anomal...
hep-ph/0610306
Cecilia Tarantino
Cecilia Tarantino
Mixing and CP-Violation in the Littlest Higgs Model with T-Parity
4 pages, 2 figures, talk given at ICHEP 2006, 26 July - 2 August, Moscow (Russia)
null
null
null
hep-ph
null
The results of an extensive flavour physics analysis in the Littlest Higgs model with T-parity are presented. In particular, mixing and CP-violation in K^0 and B^0_{d,s} systems have been studied. Several scenarios defined by the values of mirror quark masses and the parameters of the new flavour mixing matrix V_Hd h...
[ { "created": "Tue, 24 Oct 2006 08:41:33 GMT", "version": "v1" } ]
2007-05-23
[ [ "Tarantino", "Cecilia", "" ] ]
The results of an extensive flavour physics analysis in the Littlest Higgs model with T-parity are presented. In particular, mixing and CP-violation in K^0 and B^0_{d,s} systems have been studied. Several scenarios defined by the values of mirror quark masses and the parameters of the new flavour mixing matrix V_Hd hav...
1010.0916
Henry Glass
J. N. Capdevielle
Consequences of the LHC Results in the Interpretation of gamma ray families and Giant EAS Data
Talk given at XVI International Symposium on Very High Energy Cosmic Ray Interactions (ISVHECRI 2010), Batavia, IL, USA, 28 June 2 July 2010. 4 pages, 6 figures
null
null
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The earliest results of CMS exhibit central pseudo rapidity densities larger than the predictions of the different models. Introducing on this basis new guidelines with larger multiplicities of secondaries in the models implemented in the simulations, we examine the consequences in $\gamma$ ray families (spikes in ra...
[ { "created": "Tue, 5 Oct 2010 15:23:51 GMT", "version": "v1" } ]
2015-03-17
[ [ "Capdevielle", "J. N.", "" ] ]
The earliest results of CMS exhibit central pseudo rapidity densities larger than the predictions of the different models. Introducing on this basis new guidelines with larger multiplicities of secondaries in the models implemented in the simulations, we examine the consequences in $\gamma$ ray families (spikes in rapi...
1201.5040
Igor Ivanov
I. P. Ivanov (IFPA, University of Liege, Belgium, and Institute of Mathematics, Novosibirsk, Russia)
Measuring the phase of the scattering amplitude with vortex beams
18 pages, 5 figures; v2: introduction rewritten and expanded, matches the published version
Phys. Rev. D 85, 076001 (2012)
10.1103/PhysRevD.85.076001
null
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that colliding vortex beams instead of (approximate) plane waves can lead to a direct measurement of how the overall phase of the plane wave scattering amplitude changes with the scattering angle. Since vortex beams are coherent superpositions of plane waves with different momenta, their scattering amplitude ...
[ { "created": "Tue, 24 Jan 2012 16:38:25 GMT", "version": "v1" }, { "created": "Thu, 12 Apr 2012 15:48:39 GMT", "version": "v2" } ]
2012-04-13
[ [ "Ivanov", "I. P.", "", "IFPA, University of Liege, Belgium, and Institute of\n Mathematics, Novosibirsk, Russia" ] ]
We show that colliding vortex beams instead of (approximate) plane waves can lead to a direct measurement of how the overall phase of the plane wave scattering amplitude changes with the scattering angle. Since vortex beams are coherent superpositions of plane waves with different momenta, their scattering amplitude re...
0707.0182
Agnes Mocsy
Agnes Mocsy (RBRC) and Peter Petreczky (BNL)
Predictions for Quarkonia Dissociation
2 pages, 2 figures, Presented at Heavy Ion Collisions at the LHC: Last Call for Predictions
null
null
null
hep-ph
null
We predict the upper bound on the dissociation temperatures of different quarkonium states.
[ { "created": "Mon, 2 Jul 2007 09:49:17 GMT", "version": "v1" } ]
2007-07-03
[ [ "Mocsy", "Agnes", "", "RBRC" ], [ "Petreczky", "Peter", "", "BNL" ] ]
We predict the upper bound on the dissociation temperatures of different quarkonium states.
1708.09698
Keith R. Dienes
Keith R. Dienes, Jason Kumar, Brooks Thomas, David Yaylali
Off-Diagonal Dark-Matter Phenomenology: Exploring Enhanced Complementarity Relations in Non-Minimal Dark Sectors
17 pages, LaTeX, 2 figures. Replaced to match published version
Phys. Rev. D 96, 115009 (2017)
10.1103/PhysRevD.96.115009
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In most multi-component dark-matter scenarios, two classes of processes generically contribute to event rates at experiments capable of probing the nature of the dark sector. The first class consists of "diagonal" processes involving only a single species of dark-matter particle -- processes analogous to those which ...
[ { "created": "Thu, 31 Aug 2017 13:14:52 GMT", "version": "v1" }, { "created": "Sat, 30 Dec 2017 23:01:41 GMT", "version": "v2" } ]
2018-01-03
[ [ "Dienes", "Keith R.", "" ], [ "Kumar", "Jason", "" ], [ "Thomas", "Brooks", "" ], [ "Yaylali", "David", "" ] ]
In most multi-component dark-matter scenarios, two classes of processes generically contribute to event rates at experiments capable of probing the nature of the dark sector. The first class consists of "diagonal" processes involving only a single species of dark-matter particle -- processes analogous to those which ar...
hep-ph/9810455
Yakov Burdanov
Ja. V. Burdanov (1), G. V. Efimov (2), S. N. Nedelko (2) ((1) Laboratory of Nuclear Problems JINR, (2) Bogoliubov Laboratory of Theoretical Physics JINR)
(Anti-)self-dual homogeneous gluon field and axial anomaly in QCD
5 pages, Latex, 2 eps figures, talk given by S.N. Nedelko at the XI International Conference in memory of D.I. Blokhintsev "Problems of Quantum Field Theory", Dubna, 13-17 July, 1998, Russia; submitted to J. Phys. G
null
null
null
hep-ph
null
The transition form factor, decay width and charge form factor of pion are calculated within the model of induced nonlocal quark currents based on the assumption that the nonperturbative QCD vacuum can be characterized by a homogeneous (anti-)self-dual gluon field. It is shown that the interaction of the quark spin w...
[ { "created": "Thu, 22 Oct 1998 15:55:11 GMT", "version": "v1" } ]
2007-05-23
[ [ "Burdanov", "Ja. V.", "" ], [ "Efimov", "G. V.", "" ], [ "Nedelko", "S. N.", "" ] ]
The transition form factor, decay width and charge form factor of pion are calculated within the model of induced nonlocal quark currents based on the assumption that the nonperturbative QCD vacuum can be characterized by a homogeneous (anti-)self-dual gluon field. It is shown that the interaction of the quark spin wit...
1206.3098
Sebastian Philipp Schneider
Sebastian P. Schneider, Bastian Kubis, Franz Niecknig
omega --> pi0 gamma* and phi --> pi0 gamma* Transition form factors in dispersion theory
11 pages, 8 figures; references updated, version published in Phys. Rev. D
Phys.Rev.D86:054013,2012
10.1103/PhysRevD.86.054013
null
hep-ph hep-ex nucl-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the omega --> pi0 gamma* and phi --> pi0 gamma* electromagnetic transition form factors based on dispersion theory, relying solely on a previous dispersive analysis of the corresponding three-pion decays and the pion vector form factor. We compare our findings to recent measurements of the omega --> pi0 ...
[ { "created": "Thu, 14 Jun 2012 13:09:19 GMT", "version": "v1" }, { "created": "Fri, 21 Sep 2012 12:26:41 GMT", "version": "v2" } ]
2015-03-20
[ [ "Schneider", "Sebastian P.", "" ], [ "Kubis", "Bastian", "" ], [ "Niecknig", "Franz", "" ] ]
We calculate the omega --> pi0 gamma* and phi --> pi0 gamma* electromagnetic transition form factors based on dispersion theory, relying solely on a previous dispersive analysis of the corresponding three-pion decays and the pion vector form factor. We compare our findings to recent measurements of the omega --> pi0 mu...
1005.2167
Daekyoung Kang
Pierre Artoisenet, Eric Braaten, and Daekyoung Kang
Using Line Shapes to Discriminate between Binding Mechanisms for the X(3872)
50 pages, 5 figures, 2 tables. Version published in Physical Review D
Phys.Rev.D82:014013,2010
10.1103/PhysRevD.82.014013
null
hep-ph
http://creativecommons.org/licenses/by/3.0/
We construct line shapes for the X(3872) that generalize the Flatte and zero-range line shapes that have been considered previously. These line shapes are associated with scattering amplitudes that are exactly unitary for real values of the interaction parameters and can be derived from a renormalizable quantum field...
[ { "created": "Wed, 12 May 2010 18:26:34 GMT", "version": "v1" }, { "created": "Thu, 19 Aug 2010 23:29:58 GMT", "version": "v2" } ]
2015-03-17
[ [ "Artoisenet", "Pierre", "" ], [ "Braaten", "Eric", "" ], [ "Kang", "Daekyoung", "" ] ]
We construct line shapes for the X(3872) that generalize the Flatte and zero-range line shapes that have been considered previously. These line shapes are associated with scattering amplitudes that are exactly unitary for real values of the interaction parameters and can be derived from a renormalizable quantum field t...
2106.10018
Emanuel Ydrefors
Emanuel Ydrefors, Wayne de Paula, Jorge H Alvarenga Nogueira, Tobias Frederico and Giovanni Salm\'e
Pion electromagnetic form factor with Minkowskian dynamics
null
null
10.1016/j.physletb.2021.136494
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
The pion electromagnetic form factor has been calculated for the first time from the solutions of the Bethe-Salpeter equation, obtained directly in Minkowski space by using the Nakanishi integral representation of the Bethe-Salpeter amplitude. The one-gluon exchange kernel contains as inputs the quark and gluon masse...
[ { "created": "Fri, 18 Jun 2021 09:28:44 GMT", "version": "v1" } ]
2021-08-18
[ [ "Ydrefors", "Emanuel", "" ], [ "de Paula", "Wayne", "" ], [ "Nogueira", "Jorge H Alvarenga", "" ], [ "Frederico", "Tobias", "" ], [ "Salmé", "Giovanni", "" ] ]
The pion electromagnetic form factor has been calculated for the first time from the solutions of the Bethe-Salpeter equation, obtained directly in Minkowski space by using the Nakanishi integral representation of the Bethe-Salpeter amplitude. The one-gluon exchange kernel contains as inputs the quark and gluon masses,...
1509.06117
Zhenjun Xiao
Ya Li, Ai-Jun Ma, Wen-Fei Wang and Zhen-Jun Xiao
The $S$-wave resonance contributions to the three-body decays $B^0_{(s)}\to \eta_c f_0(X)\to \eta_c\pi^+\pi^-$ in perturbative QCD approach
13 pages, 2 figures, Some modifications. Final version to be published in EPJC
null
10.1140/epjc/s10052-016-4529-3
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we study the three-body decays $B^0/B^0_s \to \eta_c f_0(X)\to \eta_c \pi^+\pi^-$ by employing the perturbative QCD (PQCD) factorization approach. We evaluate the $S$-wave resonance contributions by using the two-pion distribution amplitude $\Phi_{\pi\pi}^{\rm S}$. The Breit-Wigner formula for the $f_0...
[ { "created": "Mon, 21 Sep 2015 06:24:20 GMT", "version": "v1" }, { "created": "Sun, 27 Sep 2015 09:50:17 GMT", "version": "v2" }, { "created": "Mon, 26 Sep 2016 02:04:38 GMT", "version": "v3" }, { "created": "Mon, 21 Nov 2016 12:13:09 GMT", "version": "v4" } ]
2017-01-04
[ [ "Li", "Ya", "" ], [ "Ma", "Ai-Jun", "" ], [ "Wang", "Wen-Fei", "" ], [ "Xiao", "Zhen-Jun", "" ] ]
In this paper, we study the three-body decays $B^0/B^0_s \to \eta_c f_0(X)\to \eta_c \pi^+\pi^-$ by employing the perturbative QCD (PQCD) factorization approach. We evaluate the $S$-wave resonance contributions by using the two-pion distribution amplitude $\Phi_{\pi\pi}^{\rm S}$. The Breit-Wigner formula for the $f_0(5...
hep-ph/0607134
W. James Stirling
V. A. Khoze, M. G. Ryskin and W. J. Stirling
On radiative QCD backgrounds to exclusive H -> b bbar production at the LHC and a photon collider
23 pages, 2 figures
Eur.Phys.J.C48:477-488,2006
10.1140/epjc/s10052-006-0027-3
IPPP/06/45, DCTP/06/90
hep-ph
null
Central exclusive Higgs boson production, pp -> p + H + p, at the LHC and s-channel resonant Higgs production in the photon-collider option of the ILC can provide a very important contribution to the comprehensive study of the Higgs sector. Especially attractive is the b bbar Higgs decay mode, which for certain MSSM ...
[ { "created": "Wed, 12 Jul 2006 11:08:18 GMT", "version": "v1" } ]
2008-11-26
[ [ "Khoze", "V. A.", "" ], [ "Ryskin", "M. G.", "" ], [ "Stirling", "W. J.", "" ] ]
Central exclusive Higgs boson production, pp -> p + H + p, at the LHC and s-channel resonant Higgs production in the photon-collider option of the ILC can provide a very important contribution to the comprehensive study of the Higgs sector. Especially attractive is the b bbar Higgs decay mode, which for certain MSSM sc...
hep-ph/9306337
Giovanni
S. Frixione, M. Mangano, P. Nason and G. Ridolfi
Heavy Quark Correlations in Photon-Hadron Collisions
34 pages (LaTex) + 15 figures (topdrawer, included at the end) CERN-TH 6921/93, GEF-TH-15/1993
Nucl.Phys.B412:225-259,1994
10.1016/0550-3213(94)90501-0
null
hep-ph
null
We describe a next-to-leading-order calculation of the fully exclusive parton cross section for the photoproduction of heavy quarks. We use our result to compute quantities of interest for current fixed-target experiments. We discuss heavy-quark total cross sections, distributions and correlations.
[ { "created": "Thu, 1 Jul 1993 06:18:50 GMT", "version": "v1" } ]
2011-01-25
[ [ "Frixione", "S.", "" ], [ "Mangano", "M.", "" ], [ "Nason", "P.", "" ], [ "Ridolfi", "G.", "" ] ]
We describe a next-to-leading-order calculation of the fully exclusive parton cross section for the photoproduction of heavy quarks. We use our result to compute quantities of interest for current fixed-target experiments. We discuss heavy-quark total cross sections, distributions and correlations.
1403.6477
Gunnar S. Bali
Gunnar S. Bali, Clemens Bauer and Antonio Pineda
Model-independent determination of the gluon condensate in four-dimensional SU(3) gauge theory
5 pages, 5 figures, v2: references added, conclusions improved, contrast of figures improved, 1 typo corrected
Phys. Rev. Lett. 113, 092001 (2014)
10.1103/PhysRevLett.113.092001
null
hep-ph hep-lat hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We determine the non-perturbative gluon condensate of four-dimensional SU(3) gauge theory in a model independent way. This is achieved by carefully subtracting high order perturbation theory results from non-perturbative lattice QCD determinations of the average plaquette. No indications of dimension two condensates ...
[ { "created": "Tue, 25 Mar 2014 20:00:21 GMT", "version": "v1" }, { "created": "Fri, 15 Aug 2014 12:20:14 GMT", "version": "v2" } ]
2014-09-05
[ [ "Bali", "Gunnar S.", "" ], [ "Bauer", "Clemens", "" ], [ "Pineda", "Antonio", "" ] ]
We determine the non-perturbative gluon condensate of four-dimensional SU(3) gauge theory in a model independent way. This is achieved by carefully subtracting high order perturbation theory results from non-perturbative lattice QCD determinations of the average plaquette. No indications of dimension two condensates ar...
2309.10098
Giacomo Cacciapaglia
Giacomo Cacciapaglia
Systematic classification of aGUT models in five dimensions: The SU(N) kinship
28 pages, one typo corrected and one reference added
null
null
null
hep-ph hep-th
http://creativecommons.org/licenses/by/4.0/
Asymptotic Grand Unification theories (aGUTs) in five dimensions provide a valid alternative to standard quantitative unification. We define the pathway towards viable models starting from a general unified bulk gauge symmetry. Imposing the presence of ultra-violet fixed points for both gauge and Yukawa couplings str...
[ { "created": "Mon, 18 Sep 2023 19:17:31 GMT", "version": "v1" }, { "created": "Fri, 15 Dec 2023 10:51:53 GMT", "version": "v2" } ]
2023-12-18
[ [ "Cacciapaglia", "Giacomo", "" ] ]
Asymptotic Grand Unification theories (aGUTs) in five dimensions provide a valid alternative to standard quantitative unification. We define the pathway towards viable models starting from a general unified bulk gauge symmetry. Imposing the presence of ultra-violet fixed points for both gauge and Yukawa couplings stron...
hep-ph/9803366
Yan Qi-shu
Chao-Shang Huang and Qi-Shu Yan
$B \to X_{s} \tau^{+} \tau^{-}$ in the flipped SU(5) model
10 pages, 2 figures
Phys.Lett. B442 (1998) 209-216
10.1016/S0370-2693(98)01268-4
null
hep-ph
null
We perform a detailed study of the inclusive branching ratio and the forward-backward asymmetry of the rare B decay process $B \longrightarrow X_{s} \tau^{+} \tau^{-}$ in the flipped SU(5) model, a predictive model which has only two free parameters, plus the sign of the higgs mixing mass $\mu$, to describe mass spec...
[ { "created": "Tue, 17 Mar 1998 13:35:03 GMT", "version": "v1" } ]
2009-10-31
[ [ "Huang", "Chao-Shang", "" ], [ "Yan", "Qi-Shu", "" ] ]
We perform a detailed study of the inclusive branching ratio and the forward-backward asymmetry of the rare B decay process $B \longrightarrow X_{s} \tau^{+} \tau^{-}$ in the flipped SU(5) model, a predictive model which has only two free parameters, plus the sign of the higgs mixing mass $\mu$, to describe mass spectr...
hep-ph/0210064
Randy Lewis
Randy Lewis, W. Wilcox and R. M. Woloshyn
The nucleon's strange electromagnetic and scalar matrix elements
24 pages, 9 figures
Phys.Rev. D67 (2003) 013003
10.1103/PhysRevD.67.013003
BU-HEPP-02/10, TRI-PP-02-15
hep-ph hep-lat nucl-th
null
Quenched lattice QCD simulations and quenched chiral perturbation theory are used together for this study of strangeness in the nucleon. Dependences of the matrix elements on strange quark mass, valence quark mass and momentum transfer are discussed in both the lattice and chiral frameworks. The combined results of t...
[ { "created": "Thu, 3 Oct 2002 23:34:33 GMT", "version": "v1" } ]
2009-11-07
[ [ "Lewis", "Randy", "" ], [ "Wilcox", "W.", "" ], [ "Woloshyn", "R. M.", "" ] ]
Quenched lattice QCD simulations and quenched chiral perturbation theory are used together for this study of strangeness in the nucleon. Dependences of the matrix elements on strange quark mass, valence quark mass and momentum transfer are discussed in both the lattice and chiral frameworks. The combined results of thi...
1403.6233
Asmita Mukherjee
Asmita Mukherjee, Sreeraj Nair and Vikash Kumar Ojha
Quark Wigner Distributions and Orbital Angular Momentum in Light-front Dressed Quark Model
Version to appear in Phys. Rev. D
null
10.1103/PhysRevD.90.014024
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the Wigner functions for a quark target dressed with a gluon. These give a combined position and momentum space information of the quark distributions and are related to both generalized parton distributions (GPDs) and transverse momentum dependent parton distributions (TMDs). We calculate and compare th...
[ { "created": "Tue, 25 Mar 2014 04:55:56 GMT", "version": "v1" }, { "created": "Thu, 3 Apr 2014 08:53:41 GMT", "version": "v2" }, { "created": "Mon, 30 Jun 2014 20:05:40 GMT", "version": "v3" } ]
2015-06-19
[ [ "Mukherjee", "Asmita", "" ], [ "Nair", "Sreeraj", "" ], [ "Ojha", "Vikash Kumar", "" ] ]
We calculate the Wigner functions for a quark target dressed with a gluon. These give a combined position and momentum space information of the quark distributions and are related to both generalized parton distributions (GPDs) and transverse momentum dependent parton distributions (TMDs). We calculate and compare the ...
1709.00808
C. Q. Geng
C.Q. Geng, Y.K. Hsiao, Chia-Wei Liu and Tien-Hsueh Tsai
Charmed Baryon Weak Decays with SU(3) Flavor Symmetry
29 pages, no figure, a typo in the table corrected
JHEP 1711, 147 (2017)
10.1007/JHEP11(2017)147
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the semileptonic and non-leptonic charmed baryon decays with $SU(3)$ flavor symmetry, where the charmed baryons can be ${\bf B}_{c}=(\Xi_c^0,\Xi_c^+,\Lambda_c^+)$, ${\bf B}'_{c}=(\Sigma_c^{(++,+,0)},\Xi_{c}^{\prime(+,0)},\Omega_c^0)$, ${\bf B}_{cc}=(\Xi_{cc}^{++},\Xi_{cc}^+,\Omega_{cc}^+)$, or ${\bf B}_{ccc}...
[ { "created": "Mon, 4 Sep 2017 04:58:46 GMT", "version": "v1" }, { "created": "Mon, 6 Nov 2017 07:05:53 GMT", "version": "v2" }, { "created": "Sun, 6 May 2018 01:34:47 GMT", "version": "v3" } ]
2018-05-08
[ [ "Geng", "C. Q.", "" ], [ "Hsiao", "Y. K.", "" ], [ "Liu", "Chia-Wei", "" ], [ "Tsai", "Tien-Hsueh", "" ] ]
We study the semileptonic and non-leptonic charmed baryon decays with $SU(3)$ flavor symmetry, where the charmed baryons can be ${\bf B}_{c}=(\Xi_c^0,\Xi_c^+,\Lambda_c^+)$, ${\bf B}'_{c}=(\Sigma_c^{(++,+,0)},\Xi_{c}^{\prime(+,0)},\Omega_c^0)$, ${\bf B}_{cc}=(\Xi_{cc}^{++},\Xi_{cc}^+,\Omega_{cc}^+)$, or ${\bf B}_{ccc}=\...
2406.08470
Roman Zhokhov
T. G. Khunjua, K. G. Klimenko, R. N. Zhokhov
Charged pion condensation and color superconductivity phenomena in chirally asymmetric dense quark matter
10 pages, 6 figures
null
null
null
hep-ph hep-th
http://creativecommons.org/licenses/by/4.0/
In this paper, the question of the influence of color superconductivity (CSC) on the formation of a phase with condensation of charged pions in dense chirally asymmetric quark matter is studied. We consider it within the framework of the massless NJL model with a diquark interaction channel at zero temperature, but i...
[ { "created": "Wed, 12 Jun 2024 17:55:44 GMT", "version": "v1" } ]
2024-06-13
[ [ "Khunjua", "T. G.", "" ], [ "Klimenko", "K. G.", "" ], [ "Zhokhov", "R. N.", "" ] ]
In this paper, the question of the influence of color superconductivity (CSC) on the formation of a phase with condensation of charged pions in dense chirally asymmetric quark matter is studied. We consider it within the framework of the massless NJL model with a diquark interaction channel at zero temperature, but in ...
1911.06534
Aleksandr Gorin
A. Gorin
Mass matrix parametrization for pseudo-Dirac neutrinos
Prepared for Proceedings of XXII Bled Workshop "What comes beyond the Standard models?"
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
An overview of pseudo-Dirac neutrino framework is given starting from general spinor phenomenology. The framework is then tested by simulation of oscillations for T2K experiment parameters. Two possible derivations of oscillation parameters are indicated to have the same result.
[ { "created": "Fri, 15 Nov 2019 09:29:25 GMT", "version": "v1" } ]
2019-11-18
[ [ "Gorin", "A.", "" ] ]
An overview of pseudo-Dirac neutrino framework is given starting from general spinor phenomenology. The framework is then tested by simulation of oscillations for T2K experiment parameters. Two possible derivations of oscillation parameters are indicated to have the same result.
1506.08491
Jihn E. Kim
Jihn E. Kim, Soonkeon Nam
Unifying CP violations of quark and lepton sectors
10 pages with 3 figures
null
10.1140/epjc/s10052-015-3805-y
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A preliminary determination of the Dirac phase in the PMNS matrix is $\dell\approx -\frac{\pi}{2}$. A rather accurately determined Jarlskog invariant $J$ in the CKM matrix is close to the maximum. Since the phases in the CKM and PMNS matrices will be accurately determined in the future, it is an interesting problem t...
[ { "created": "Mon, 29 Jun 2015 02:40:19 GMT", "version": "v1" }, { "created": "Tue, 7 Jul 2015 17:05:47 GMT", "version": "v2" }, { "created": "Tue, 25 Aug 2015 05:20:53 GMT", "version": "v3" }, { "created": "Mon, 2 Nov 2015 13:10:00 GMT", "version": "v4" } ]
2016-02-17
[ [ "Kim", "Jihn E.", "" ], [ "Nam", "Soonkeon", "" ] ]
A preliminary determination of the Dirac phase in the PMNS matrix is $\dell\approx -\frac{\pi}{2}$. A rather accurately determined Jarlskog invariant $J$ in the CKM matrix is close to the maximum. Since the phases in the CKM and PMNS matrices will be accurately determined in the future, it is an interesting problem to ...
2405.13882
Carl Beadle
Carl Beadle, Andrea Caputo and Sebastian A. R. Ellis
Resonant Conversion of Wave Dark Matter in the Ionosphere
11 pages, 4 figures
null
null
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider resonant wave-like dark matter conversion into low-frequency radio waves in the Earth's ionosphere. Resonant conversion occurs when the dark matter mass and the plasma frequency coincide, defining a range $m_{ \text{DM} } \sim 10^{-9} - 10^{-8}$ eV where this approach is best suited. Owing to the non-rela...
[ { "created": "Wed, 22 May 2024 18:00:00 GMT", "version": "v1" } ]
2024-05-24
[ [ "Beadle", "Carl", "" ], [ "Caputo", "Andrea", "" ], [ "Ellis", "Sebastian A. R.", "" ] ]
We consider resonant wave-like dark matter conversion into low-frequency radio waves in the Earth's ionosphere. Resonant conversion occurs when the dark matter mass and the plasma frequency coincide, defining a range $m_{ \text{DM} } \sim 10^{-9} - 10^{-8}$ eV where this approach is best suited. Owing to the non-relati...
1411.1983
Redamy Perez Ramos
Redamy P\'erez-Ramos and Thorsten Renk
A Monte Carlo study of jet fragmentation functions in PbPb and pp collisions at sqrt{s}=2.76 TeV
13 pages and 6 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The parton-to-hadron fragmentation functions (FFs) obtained from the YaJEM and PYTHIA6 Monte Carlo event generators, are studied for jets produced in a strongly-interacting medium and in the QCD "vacuum" respectively. The medium modifications are studied with the YaJEM code in two different scenarios by (i) accountin...
[ { "created": "Fri, 7 Nov 2014 17:09:12 GMT", "version": "v1" } ]
2014-11-10
[ [ "Pérez-Ramos", "Redamy", "" ], [ "Renk", "Thorsten", "" ] ]
The parton-to-hadron fragmentation functions (FFs) obtained from the YaJEM and PYTHIA6 Monte Carlo event generators, are studied for jets produced in a strongly-interacting medium and in the QCD "vacuum" respectively. The medium modifications are studied with the YaJEM code in two different scenarios by (i) accounting ...
1512.07260
Joao Pacheco B. C. de Melo Dr.
J. P. B. C. de Melo (Laboratorio de Fisica Teorica e Computacional, Universidade Cruzeiro do Sul), Isthiaq Ahmed (Laboratorio de Fisica Teorica e Computacional, Universidade Cruzeiro do Sul and National Center for Physics, Quaidi-i-Azam University Campus), Kazuo Tsushima (Laboratorio de Fisica Teorica e Computa...
Parton Distribution in Pseudoscalar Mesons with a Light-Front Constituent Quark Model
Latex file, 4 figures, use AIP style. Small mistakes are corrected, (Eq.(5) and Eq.(6))
null
10.1063/1.4949465
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the distribution amplitudes of the pion and kaon in the light-front constituent quark model with the symmetric quark-bound state vertex function. In the calculation we explicitly include the flavor-SU(3) symmetry breaking effect in terms of the constituent quark masses of the up (down) and strange quarks. ...
[ { "created": "Tue, 22 Dec 2015 21:04:40 GMT", "version": "v1" }, { "created": "Wed, 17 Feb 2016 21:42:21 GMT", "version": "v2" } ]
2016-06-22
[ [ "de Melo", "J. P. B. C.", "", "Laboratorio de Fisica Teorica e Computacional,\n Universidade Cruzeiro do Sul" ], [ "Ahmed", "Isthiaq", "", "Laboratorio de Fisica Teorica e\n Computacional, Universidade Cruzeiro do Sul and National Center for Physics,\n Quaidi-i-Azam Universi...
We compute the distribution amplitudes of the pion and kaon in the light-front constituent quark model with the symmetric quark-bound state vertex function. In the calculation we explicitly include the flavor-SU(3) symmetry breaking effect in terms of the constituent quark masses of the up (down) and strange quarks. To...
1709.07227
Felix Riehn
Felix Riehn, Hans P. Dembinski, Ralph Engel, Anatoli Fedynitch, Thomas K. Gaisser, Todor Stanev
The hadronic interaction model SIBYLL 2.3c and Feynman scaling
35th International Cosmic Ray Conference
PoS ICRC2017 (2017) 301
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Monte Carlo model Sibyll has been designed for efficient simulation of hadronic multiparticle production up to the highest energies as needed for interpreting cosmic ray measurements. For more than 15 years, version 2.1 of Sibyll has been one of the standard models for air shower simulation. Motivated by data of ...
[ { "created": "Thu, 21 Sep 2017 09:25:42 GMT", "version": "v1" } ]
2017-09-25
[ [ "Riehn", "Felix", "" ], [ "Dembinski", "Hans P.", "" ], [ "Engel", "Ralph", "" ], [ "Fedynitch", "Anatoli", "" ], [ "Gaisser", "Thomas K.", "" ], [ "Stanev", "Todor", "" ] ]
The Monte Carlo model Sibyll has been designed for efficient simulation of hadronic multiparticle production up to the highest energies as needed for interpreting cosmic ray measurements. For more than 15 years, version 2.1 of Sibyll has been one of the standard models for air shower simulation. Motivated by data of LH...
1512.00279
Tolga Altinoluk
Tolga Altinoluk and Adrian Dumitru
Particle production in high-energy collisions beyond the shockwave limit
11 pages, 5 figures, corrected the result for the vertex, added derivation of two-gluon production cross section, published version
Phys. Rev. D 94, 074032 (2016)
10.1103/PhysRevD.94.074032
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute next to eikonal (NE) and next to next to eikonal (NNE) corrections to the Lipatov vertex due to a finite target thickness. These arise from electric field insertions into the eikonal Wilson lines. We then derive a $k_T$-factorization formula for single inclusive gluon production at NNE accuracy and find th...
[ { "created": "Tue, 1 Dec 2015 14:59:11 GMT", "version": "v1" }, { "created": "Wed, 6 Jul 2016 08:19:11 GMT", "version": "v2" }, { "created": "Mon, 24 Oct 2016 09:53:04 GMT", "version": "v3" } ]
2016-10-26
[ [ "Altinoluk", "Tolga", "" ], [ "Dumitru", "Adrian", "" ] ]
We compute next to eikonal (NE) and next to next to eikonal (NNE) corrections to the Lipatov vertex due to a finite target thickness. These arise from electric field insertions into the eikonal Wilson lines. We then derive a $k_T$-factorization formula for single inclusive gluon production at NNE accuracy and find that...
1808.04010
Avik Banerjee
Avik Banerjee, Subhajit Ghosh, Tirtha Sankar Ray
Clockworked VEVs and Neutrino Mass
13 pages, 2 captioned figures, 1 table, further clarifications added in text, references updated, matches version published in JHEP
JHEP 1811 (2018) 075
10.1007/JHEP11(2018)075
TIFR/TH/18-44
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we present an augmented version of the Abelian scalar clockwork model to generate geometrically suppressed vacuum expectation values (vev) of the pseudo Nambu-Goldstone bosons, that we call the clockworked vevs. We briefly comment on generalization of the setup and possible 5D UV realizations. We demons...
[ { "created": "Sun, 12 Aug 2018 22:35:51 GMT", "version": "v1" }, { "created": "Wed, 14 Nov 2018 10:28:27 GMT", "version": "v2" } ]
2018-11-15
[ [ "Banerjee", "Avik", "" ], [ "Ghosh", "Subhajit", "" ], [ "Ray", "Tirtha Sankar", "" ] ]
In this paper we present an augmented version of the Abelian scalar clockwork model to generate geometrically suppressed vacuum expectation values (vev) of the pseudo Nambu-Goldstone bosons, that we call the clockworked vevs. We briefly comment on generalization of the setup and possible 5D UV realizations. We demonstr...
0901.2260
Alexander Laschka
Alexander Laschka, Norbert Kaiser, Wolfram Weise
The heavy quark-antiquark potential from lattice and perturbative QCD
2 pages, 2 figures, Proceedings of the 8th Conference on Quark Confinement and the Hadron Spectrum, September 1-6, 2008, Mainz, Germany
PoS Confinement8:168,2008
null
TUM/T39-09-02
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The heavy quark-antiquark potential in perturbative QCD is subject to ambiguities. We show how to derive a well-defined and stable short-distance potential that can be matched to results from lattice QCD simulations at intermediate distances. The static potential as well as the order 1/m potential are discussed.
[ { "created": "Thu, 15 Jan 2009 13:31:46 GMT", "version": "v1" } ]
2009-06-25
[ [ "Laschka", "Alexander", "" ], [ "Kaiser", "Norbert", "" ], [ "Weise", "Wolfram", "" ] ]
The heavy quark-antiquark potential in perturbative QCD is subject to ambiguities. We show how to derive a well-defined and stable short-distance potential that can be matched to results from lattice QCD simulations at intermediate distances. The static potential as well as the order 1/m potential are discussed.
hep-ph/9510386
Dittmaier
S.Dittmaier, D.Schildknecht and G.Weiglein
On the Observation of Bosonic Loop Corrections in Electroweak Precision Experiments
20 pages latex, 6 postscript figures included, revised version, to appear in Nucl.Phys.B
Nucl.Phys. B465 (1996) 3-22
10.1016/0550-3213(96)00016-8
BI-TP 95/31
hep-ph
null
We investigate the structure of the experimentally significant electroweak bosonic loop corrections to the leptonic weak mixing angle, the leptonic Z-boson decay width, and the W-boson mass. It is shown that the bosonic corrections that have a sizable effect at the present level of experimental accuracy are directly ...
[ { "created": "Tue, 24 Oct 1995 14:34:59 GMT", "version": "v1" }, { "created": "Wed, 31 Jan 1996 12:22:19 GMT", "version": "v2" } ]
2009-10-28
[ [ "Dittmaier", "S.", "" ], [ "Schildknecht", "D.", "" ], [ "Weiglein", "G.", "" ] ]
We investigate the structure of the experimentally significant electroweak bosonic loop corrections to the leptonic weak mixing angle, the leptonic Z-boson decay width, and the W-boson mass. It is shown that the bosonic corrections that have a sizable effect at the present level of experimental accuracy are directly re...
0802.3172
Chhanda Samanta Prof.
C. Samanta, P. Roy Chowdhury and D.N. Basu
Lambda hyperonic effect on the normal driplines
6 pages, 4 tables, 0 figure
J.Phys.G35:065101,2008
10.1088/0954-3899/35/6/065101
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A generalized mass formula is used to calculate the neutron and proton drip lines of normal and lambda hypernuclei treating non-strange and strange nuclei on the same footing. Calculations suggest existence of several bound hypernuclei whose normal cores are unbound. Addition of Lambda or, Lambda-Lambda hyperon(s) to...
[ { "created": "Thu, 21 Feb 2008 17:38:30 GMT", "version": "v1" } ]
2008-04-23
[ [ "Samanta", "C.", "" ], [ "Chowdhury", "P. Roy", "" ], [ "Basu", "D. N.", "" ] ]
A generalized mass formula is used to calculate the neutron and proton drip lines of normal and lambda hypernuclei treating non-strange and strange nuclei on the same footing. Calculations suggest existence of several bound hypernuclei whose normal cores are unbound. Addition of Lambda or, Lambda-Lambda hyperon(s) to a...
0806.3985
Arif Akhundov A.
A.A.Akhundov
QED Radiative Corrections to Deep Inelastic Scattering at HERA
10 pages, 4 figures, Proceedings of XXI International Meeting on Fundamental Physics - Physics at HERA, Miraflores de la Sierra, Madrid, Spain, 9-15 May 1993; World Scientific Publishing (Singapore), Editors: F. Barreiro, L. Hervas and L. Labarga (1994), p. 16-25
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The numerical study of QED radiative corrections in the low x region for the H1 experiment at HERA was performed. The analytical program TERAD91 was used to obtain the values of the radiative correction factor for the first measurement of the proton structure function F2(x,Q2) in the range x= 10^{-2} - 10^{-4} and 5 ...
[ { "created": "Wed, 25 Jun 2008 08:47:10 GMT", "version": "v1" }, { "created": "Thu, 17 Jul 2008 21:18:52 GMT", "version": "v2" } ]
2008-07-18
[ [ "Akhundov", "A. A.", "" ] ]
The numerical study of QED radiative corrections in the low x region for the H1 experiment at HERA was performed. The analytical program TERAD91 was used to obtain the values of the radiative correction factor for the first measurement of the proton structure function F2(x,Q2) in the range x= 10^{-2} - 10^{-4} and 5 < ...
1401.7613
Marco Ruggieri
G. L. Guardo, V. Greco and M. Ruggieri
Energy density fluctuations in Early Universe
4 pages, 2 figures. Talk given at Sventh European Summer School on Experimental Nuclear Astrophysics, 15-27 September 2013, Santa Tecla (CT) - Italy
null
10.1063/1.4875317
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The primordial nucleosinthesys of the element can be influenced by the transitions of phase that take place after the Big Bang, such as the QCD transition. In order to study the effect of this phase transition, in this work we compute the time evolution of thermodynamical quantities of the early universe, focusing on...
[ { "created": "Wed, 29 Jan 2014 18:19:54 GMT", "version": "v1" } ]
2015-06-18
[ [ "Guardo", "G. L.", "" ], [ "Greco", "V.", "" ], [ "Ruggieri", "M.", "" ] ]
The primordial nucleosinthesys of the element can be influenced by the transitions of phase that take place after the Big Bang, such as the QCD transition. In order to study the effect of this phase transition, in this work we compute the time evolution of thermodynamical quantities of the early universe, focusing on t...
1203.0572
Nathaniel Craig
Nathaniel Craig, Savas Dimopoulos, Tony Gherghetta
Split families unified
21 pages, 4 figures
null
10.1007/JHEP04(2012)116
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a simple supersymmetric model of split families consistent with flavor limits that preserves the successful prediction of gauge coupling unification and naturally accounts for the Higgs mass. The model provides an intricate connection between the Standard Model flavor hierarchy, supersymmetric flavor probl...
[ { "created": "Fri, 2 Mar 2012 21:05:57 GMT", "version": "v1" } ]
2015-06-04
[ [ "Craig", "Nathaniel", "" ], [ "Dimopoulos", "Savas", "" ], [ "Gherghetta", "Tony", "" ] ]
We present a simple supersymmetric model of split families consistent with flavor limits that preserves the successful prediction of gauge coupling unification and naturally accounts for the Higgs mass. The model provides an intricate connection between the Standard Model flavor hierarchy, supersymmetric flavor problem...
2305.10409
Krzysztof Jod{\l}owski
Krzysztof Jod{\l}owski
Looking forward to photon-coupled long-lived particles II: dark axion portal
11 pages, 3 figures, 1 table
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
The dark axion portal is a dimension-5 coupling between an axion-like particle (ALP), a photon, and a dark photon, which is one of the targets of the intensity frontier searches looking for $\sim\,$sub-GeV long-lived particles (LLPs). In this work, we re-examine the limits set by existing detectors such as CHARM and ...
[ { "created": "Wed, 17 May 2023 17:47:53 GMT", "version": "v1" } ]
2023-05-18
[ [ "Jodłowski", "Krzysztof", "" ] ]
The dark axion portal is a dimension-5 coupling between an axion-like particle (ALP), a photon, and a dark photon, which is one of the targets of the intensity frontier searches looking for $\sim\,$sub-GeV long-lived particles (LLPs). In this work, we re-examine the limits set by existing detectors such as CHARM and Nu...
hep-ph/9507397
null
Diego J. Castano, Daniel Z. Freedman, and Cristina Manuel
Consequences of Supergravity with Gauged $\rm U(1)_R$ Symmetry
36 pages, plain LaTeX, all macros included, no figures
Nucl.Phys.B461:50-70,1996
10.1016/0550-3213(95)00584-6
MIT-CTP-2454
hep-ph hep-th
null
The structure of gauged R supergravity Lagrangians is reviewed, and we consider models with a hidden sector plus light fields of the MSSM. A simple potential for the hidden sector is presented which has a global minimum with zero cosmological constant and spontaneously broken SUSY and R-symmetry. The $\rm U(1)_R$ vec...
[ { "created": "Mon, 24 Jul 1995 16:53:49 GMT", "version": "v1" } ]
2009-10-08
[ [ "Castano", "Diego J.", "" ], [ "Freedman", "Daniel Z.", "" ], [ "Manuel", "Cristina", "" ] ]
The structure of gauged R supergravity Lagrangians is reviewed, and we consider models with a hidden sector plus light fields of the MSSM. A simple potential for the hidden sector is presented which has a global minimum with zero cosmological constant and spontaneously broken SUSY and R-symmetry. The $\rm U(1)_R$ vecto...
hep-ph/0512261
Alfonso Zerwekh
Alfonso R. Zerwekh (Universidad Austral de Chile)
Associate Higgs and Gauge Boson Production at Hadron Colliders in a Model with Vector Resonances
null
Eur.Phys.J.C46:791-795,2006
10.1140/epjc/s2006-02518-6
null
hep-ph
null
Motivated by new models of dynamical electroweak symmetry breaking that predict a light composite higgs boson, we build an effective lagrangian which describes the Standard Model (with a light Higgs) and vector resonances. We compute the cross section for the associate production of a higgs and a gauge boson. For som...
[ { "created": "Tue, 20 Dec 2005 19:49:55 GMT", "version": "v1" }, { "created": "Mon, 20 Feb 2006 14:02:20 GMT", "version": "v2" } ]
2008-11-26
[ [ "Zerwekh", "Alfonso R.", "", "Universidad Austral de Chile" ] ]
Motivated by new models of dynamical electroweak symmetry breaking that predict a light composite higgs boson, we build an effective lagrangian which describes the Standard Model (with a light Higgs) and vector resonances. We compute the cross section for the associate production of a higgs and a gauge boson. For some ...
1912.12046
Bing-Dong Wan
Bing-Dong Wan, Liang Tang, Cong-Feng Qiao
Hidden-bottom and -charm hexaquark states in QCD sum rules
17 pages, 3 figures
null
10.1140/epjc/s10052-020-7701-8
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we investigate the spectra of the prospective hidden-bottom and -charm hexaquark states with quantum numbers $J^{PC }= 0^{++}$, $0^{-+}$, $1^{++}$ and $1^{--}$ in the framework of QCD sum rules. By constructing appropriate interpreting currents, the QCD sum rules analyses are performed up to dimension ...
[ { "created": "Fri, 27 Dec 2019 10:15:12 GMT", "version": "v1" }, { "created": "Sat, 15 Feb 2020 06:43:29 GMT", "version": "v2" } ]
2020-02-18
[ [ "Wan", "Bing-Dong", "" ], [ "Tang", "Liang", "" ], [ "Qiao", "Cong-Feng", "" ] ]
In this paper, we investigate the spectra of the prospective hidden-bottom and -charm hexaquark states with quantum numbers $J^{PC }= 0^{++}$, $0^{-+}$, $1^{++}$ and $1^{--}$ in the framework of QCD sum rules. By constructing appropriate interpreting currents, the QCD sum rules analyses are performed up to dimension 12...
1510.03762
Diego Aristizabal
D. Aristizabal Sierra
Radiative origin of neutrino masses
7 pages, 3 figures. Contribution to the proceedings of the XXXIX International Conference of Theoretical Physics "Matter to the Deepest", Ustron, Poland, September 13-18, 2015
null
10.5506/APhysPolB.46.2311
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Mechanisms for Majorana neutrino mass generation can be classified according to the level at which the Weinberg operator is generated. The different possibilities can be sorted in "canonical" tree level and loop-induced realizations, the latter being motivated by their potential experimental testability. Here we disc...
[ { "created": "Tue, 13 Oct 2015 16:22:02 GMT", "version": "v1" } ]
2016-01-20
[ [ "Sierra", "D. Aristizabal", "" ] ]
Mechanisms for Majorana neutrino mass generation can be classified according to the level at which the Weinberg operator is generated. The different possibilities can be sorted in "canonical" tree level and loop-induced realizations, the latter being motivated by their potential experimental testability. Here we discus...
hep-ph/9203213
null
E. Gates, L. M. Krauss and M. White
Solar Neutrino Data and Its Implications
27 pages
Phys.Rev.D46:1263-1273,1992
10.1103/PhysRevD.46.1263
null
hep-ph
null
The complete and concurrent Homestake and Kamiokande solar neutrino data sets (including backgrounds), when compared to detailed model predictions, provide no unambiguous indication of the solution to the solar neutrino problem. All neutrino-based solutions, including time-varying models, provide reasonable fits to b...
[ { "created": "Tue, 17 Mar 1992 17:28:00 GMT", "version": "v1" } ]
2009-08-18
[ [ "Gates", "E.", "" ], [ "Krauss", "L. M.", "" ], [ "White", "M.", "" ] ]
The complete and concurrent Homestake and Kamiokande solar neutrino data sets (including backgrounds), when compared to detailed model predictions, provide no unambiguous indication of the solution to the solar neutrino problem. All neutrino-based solutions, including time-varying models, provide reasonable fits to bot...