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2310.00980
Xiaopeng Wang
Xiao-Peng Wang, Ya-Ping Xie, Yin Huang and Xu-Rong Chen
Exclusive production of $T^ {-} _{cc}$ in hadron-hadron ultraperipheral collisions
7 pages,5 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Understanding the production mechanisms and utilizing them as probes to investigate the structure of exotic states represent some of the most actively studied research areas in particle physics. In this study, we present a theoretical analysis of the charmed meson $T^{-}_{cc}$ in the $\gamma{}p\to{}D^{+}T^{-}_{cc}\La...
[ { "created": "Mon, 2 Oct 2023 08:41:06 GMT", "version": "v1" }, { "created": "Sat, 7 Oct 2023 02:38:04 GMT", "version": "v2" } ]
2023-10-10
[ [ "Wang", "Xiao-Peng", "" ], [ "Xie", "Ya-Ping", "" ], [ "Huang", "Yin", "" ], [ "Chen", "Xu-Rong", "" ] ]
Understanding the production mechanisms and utilizing them as probes to investigate the structure of exotic states represent some of the most actively studied research areas in particle physics. In this study, we present a theoretical analysis of the charmed meson $T^{-}_{cc}$ in the $\gamma{}p\to{}D^{+}T^{-}_{cc}\Lamb...
1705.05925
Vladimir Skokov
Larry McLerran, Vladimir Skokov
The Large N Limit with Vanishing Leading Order Condensate for Zero Pion Mass
18 pages, 6 figurs
null
10.5506/APhysPolB.49.1513
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It is conventionally assumed that the negative mass squared term in the linear sigma model version of the pion Lagrangian is $M^2 \sim \Lambda_{\rm QCD}^2$ in powers of $N_c$. We consider the case where $M^2 \sim \Lambda^2_{\rm QCD}/N_c$ so that to leading order in $N_c$ this symmetry breaking term vanishes. We prese...
[ { "created": "Tue, 16 May 2017 21:25:54 GMT", "version": "v1" } ]
2018-10-17
[ [ "McLerran", "Larry", "" ], [ "Skokov", "Vladimir", "" ] ]
It is conventionally assumed that the negative mass squared term in the linear sigma model version of the pion Lagrangian is $M^2 \sim \Lambda_{\rm QCD}^2$ in powers of $N_c$. We consider the case where $M^2 \sim \Lambda^2_{\rm QCD}/N_c$ so that to leading order in $N_c$ this symmetry breaking term vanishes. We present...
hep-ph/0003168
Sangyong Jeon
S.Jeon and V.Koch
Charged Particle Ratio Fluctuation as a Signal for QGP
4 pages in latex. Submitted simultaneously with hep-ph/0003169. This revised version to appear in PRL
Phys.Rev.Lett. 85 (2000) 2076-2079
10.1103/PhysRevLett.85.2076
null
hep-ph nucl-th
null
In this letter we argue that the event-by-event fluctuations of the ratio of the positively charged and the negatively charged pions provides a signal of quark-gluon plasma. The fact that quarks carry fractional charges is ultimately responsible for this distinct signal.
[ { "created": "Thu, 16 Mar 2000 21:09:17 GMT", "version": "v1" }, { "created": "Fri, 17 Mar 2000 18:35:25 GMT", "version": "v2" }, { "created": "Sun, 23 Jul 2000 08:21:27 GMT", "version": "v3" } ]
2009-10-31
[ [ "Jeon", "S.", "" ], [ "Koch", "V.", "" ] ]
In this letter we argue that the event-by-event fluctuations of the ratio of the positively charged and the negatively charged pions provides a signal of quark-gluon plasma. The fact that quarks carry fractional charges is ultimately responsible for this distinct signal.
0803.0606
Taekoon Lee
Taekoon Lee
Chiral radiative corrections in potential model and the P-wave states of heavy-light mesons
Talk presented at The 4th International Conference on Flavor Physics, Sep. 24-28, 2007, Beijing
Int.J.Mod.Phys.A23:3200-3203,2008
10.1142/S0217751X08041827
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In relativistic potential model of heavy-light mesons it is essential to incorporate the chiral radiative corrections before comparing the model predictions with data. Once the radiative corrections are taken into account the potential model can explain the unusual mass spectra and absence of the spin orbit-inversion...
[ { "created": "Wed, 5 Mar 2008 08:22:35 GMT", "version": "v1" } ]
2008-11-26
[ [ "Lee", "Taekoon", "" ] ]
In relativistic potential model of heavy-light mesons it is essential to incorporate the chiral radiative corrections before comparing the model predictions with data. Once the radiative corrections are taken into account the potential model can explain the unusual mass spectra and absence of the spin orbit-inversion i...
2001.03016
J. W. F. Valle
Jos\'e W. F. Valle
Neutrino physics outlook
Conference outlook talk at The 21st international workshop on neutrinos from accelerators (NuFact2019), August 26 - August 31, 2019, Daegu, Korea 13 pages, 9 figures
null
null
IFIC/20-XXX
hep-ph hep-ex
http://creativecommons.org/licenses/by-nc-sa/4.0/
Here I identify some of the opportunities in particle physics associated to the lepton sector, according to their perceived significance, and taking into account the current state-of-the-art.
[ { "created": "Thu, 9 Jan 2020 14:32:49 GMT", "version": "v1" } ]
2020-01-10
[ [ "Valle", "José W. F.", "" ] ]
Here I identify some of the opportunities in particle physics associated to the lepton sector, according to their perceived significance, and taking into account the current state-of-the-art.
hep-ph/9710357
Yu-Qi Chen
Eric Braaten and Yu-Qi Chen
Renormalons in Electromagnetic Annihilation Decays of Quarkonium
The revised version changed the error of the renormalization of the Borel transforms
Phys.Rev.D57:4236-4253,1998; Erratum-ibid.D59:079901,1999
10.1103/PhysRevD.57.4236 10.1103/PhysRevD.59.079901
OHSTPY-HEP-T-97-18
hep-ph
null
We study the large-order asymptotic behavior of the perturbation series for short-distance coefficients in the NRQCD factorization formulas for the decays J/psi --> e^+e^- and eta_c --> gamma gamma. The short-distance coefficients of the leading matrix elements are calculated to all orders in the large-N_f limit. We ...
[ { "created": "Tue, 14 Oct 1997 23:46:17 GMT", "version": "v1" }, { "created": "Wed, 15 Oct 1997 00:03:52 GMT", "version": "v2" }, { "created": "Fri, 6 Feb 1998 21:42:43 GMT", "version": "v3" }, { "created": "Tue, 6 Jul 1999 20:27:38 GMT", "version": "v4" } ]
2014-11-17
[ [ "Braaten", "Eric", "" ], [ "Chen", "Yu-Qi", "" ] ]
We study the large-order asymptotic behavior of the perturbation series for short-distance coefficients in the NRQCD factorization formulas for the decays J/psi --> e^+e^- and eta_c --> gamma gamma. The short-distance coefficients of the leading matrix elements are calculated to all orders in the large-N_f limit. We fi...
hep-ph/0404115
Tamas Biro S.
T.S.Biro, G.Purcsel, B.Muller
What is the temperature in heavy ion collisions?
Talk given by T.S.Biro at RHIC School 2003, Dec.8-11, 2003, Budapest, Hungary
Acta Phys.Hung. A21 (2004) 85-94
10.1556/APH.21.2004.1.9
null
hep-ph
null
We consider the Tsallis distribution as the source of the apparent slope of one-particle spectra in heavy-ion collisions and investigate the equation of state of this special quark matter in the framework of non-extensive thermodynamics.
[ { "created": "Wed, 14 Apr 2004 11:31:25 GMT", "version": "v1" } ]
2009-11-10
[ [ "Biro", "T. S.", "" ], [ "Purcsel", "G.", "" ], [ "Muller", "B.", "" ] ]
We consider the Tsallis distribution as the source of the apparent slope of one-particle spectra in heavy-ion collisions and investigate the equation of state of this special quark matter in the framework of non-extensive thermodynamics.
hep-ph/0509241
John Arrington
I. Niculescu, J. Arrington, R. Ent, C. E. Keppel
Moments of nuclear and nucleon structure functions at low Q^2 and the momentum sum rule
5 pages, 3 figures, to be submitted to Physical Review C
Phys.Rev.C73:045206,2006
10.1103/PhysRevC.73.045206
null
hep-ph nucl-ex
null
New nuclear structure function data from Jefferson Lab covering the higher x and lower Q^2 regime make it possible to extract the higher order F_2 moments for iron and deuterium at low four-momentum transfer squared Q^2. These moments allow for an experimental investigation of the nuclear momentum sum rule and a dire...
[ { "created": "Thu, 22 Sep 2005 16:39:52 GMT", "version": "v1" }, { "created": "Thu, 6 Oct 2005 22:20:41 GMT", "version": "v2" } ]
2008-11-26
[ [ "Niculescu", "I.", "" ], [ "Arrington", "J.", "" ], [ "Ent", "R.", "" ], [ "Keppel", "C. E.", "" ] ]
New nuclear structure function data from Jefferson Lab covering the higher x and lower Q^2 regime make it possible to extract the higher order F_2 moments for iron and deuterium at low four-momentum transfer squared Q^2. These moments allow for an experimental investigation of the nuclear momentum sum rule and a direct...
1103.0753
Marlene Nahrgang
Marlene Nahrgang, Christoph Herold, Stefan Schramm, Marcus Bleicher
Hybrid approaches to heavy ion collisions and future perspectives
Contributed to HCBM 2010 - Hot & Cold Baryonic Matter 2010
null
10.1051/epjconf/20111306001
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present the current status of hybrid approaches to describe heavy ion collisions and their future challenges and perspectives. First we present a hybrid model combining a Boltzmann transport model of hadronic degrees of freedom in the initial and final state with an optional hydrodynamic evolution during the dense...
[ { "created": "Thu, 3 Mar 2011 18:31:56 GMT", "version": "v1" } ]
2017-08-23
[ [ "Nahrgang", "Marlene", "" ], [ "Herold", "Christoph", "" ], [ "Schramm", "Stefan", "" ], [ "Bleicher", "Marcus", "" ] ]
We present the current status of hybrid approaches to describe heavy ion collisions and their future challenges and perspectives. First we present a hybrid model combining a Boltzmann transport model of hadronic degrees of freedom in the initial and final state with an optional hydrodynamic evolution during the dense a...
1111.4810
James Currie
James Currie
Antenna Subtraction in pQCD at NNLO
8 pages, 6 figures, RADCOR 2011, Mamallapuram, India
null
null
IPPP-11-75
hep-ph
http://creativecommons.org/licenses/by-nc-sa/3.0/
In this talk I discuss the antenna subtraction method for isolating infrared (IR) singularities of jet cross sections in perturbative QCD. The method is applied at next-to-next-to-leading order (NNLO) to dijet production in hadron collisions at the LHC. The double real radiative corrections to the dijet cross section...
[ { "created": "Mon, 21 Nov 2011 10:15:22 GMT", "version": "v1" } ]
2011-11-22
[ [ "Currie", "James", "" ] ]
In this talk I discuss the antenna subtraction method for isolating infrared (IR) singularities of jet cross sections in perturbative QCD. The method is applied at next-to-next-to-leading order (NNLO) to dijet production in hadron collisions at the LHC. The double real radiative corrections to the dijet cross section a...
hep-ph/9302292
null
A.D. Dolgov and I.Z. Rothstein
New Upper Limits on the Tau Neutrino Mass from Primordial Helium Considerations
9 pages (2 figures available upon request), UM-AC-93-02
Phys.Rev.Lett.71:476-479,1993
10.1103/PhysRevLett.71.476
null
hep-ph astro-ph
null
In this paper we reconsider recently derived bounds on $MeV$ tau neutrinos, taking into account previously unaccounted for effects. We find that, assuming that the neutrino life-time is longer than $O(100~sec)$, the constraint $N_{eff}<3.6$ rules out $\nu_{\tau}$ masses in the range $0.5~(MeV)<m_{\nu_\tau}<35~(MeV)$ ...
[ { "created": "Tue, 23 Feb 1993 01:05:19 GMT", "version": "v1" } ]
2008-11-26
[ [ "Dolgov", "A. D.", "" ], [ "Rothstein", "I. Z.", "" ] ]
In this paper we reconsider recently derived bounds on $MeV$ tau neutrinos, taking into account previously unaccounted for effects. We find that, assuming that the neutrino life-time is longer than $O(100~sec)$, the constraint $N_{eff}<3.6$ rules out $\nu_{\tau}$ masses in the range $0.5~(MeV)<m_{\nu_\tau}<35~(MeV)$ fo...
hep-ph/9802395
Perivolaropoulos L.
M. Axenides (N.C.R.P.S. Demokritos), L. Perivolaropoulos (U. of Crete)
Core Phase Transitions for Embedded Topological Defects
Talk presented at the "Formation of Topological Defects" ESF Network Meeting, Grenoble, France, September 1997
null
null
DEMO-HEP-98/05, CRETE-98/13
hep-ph
null
Vortices in superfluid 3He-B have been observed to undergo a core transition. We discuss the analog phenomenon in relativistic field theories which admit embedded global domain walls, vortices and monopoles with a core phase structure. They are present in scalar field theories with approximate global symmetries which...
[ { "created": "Mon, 23 Feb 1998 17:02:40 GMT", "version": "v1" } ]
2007-05-23
[ [ "Axenides", "M.", "", "N.C.R.P.S. Demokritos" ], [ "Perivolaropoulos", "L.", "", "U. of Crete" ] ]
Vortices in superfluid 3He-B have been observed to undergo a core transition. We discuss the analog phenomenon in relativistic field theories which admit embedded global domain walls, vortices and monopoles with a core phase structure. They are present in scalar field theories with approximate global symmetries which a...
hep-ph/9811405
Adam Falk
George Chiladze, Adam F. Falk and Alexey A. Petrov
Radiative Leptonic B_c Decays in Effective Field Theory
15 pages, including 5 embedded postscript figures, uses REVTeX; various clarifications added, results and conclusions unchanged; version to appear in Phys. Rev. D
Phys.Rev. D60 (1999) 034011
10.1103/PhysRevD.60.034011
JHU-TIPAC-98011
hep-ph
null
The recent discovery of the B_c meson by the CDF collaboration and proposed new experiments at Fermilab and CERN motivate new theoretical studies of the B_c system. Here we investigate the radiative leptonic decay B_c -> gamma l nu. This process is an important background to the annihilation process B_c -> l nu, whic...
[ { "created": "Thu, 19 Nov 1998 16:44:00 GMT", "version": "v1" }, { "created": "Mon, 3 May 1999 16:28:46 GMT", "version": "v2" } ]
2009-10-31
[ [ "Chiladze", "George", "" ], [ "Falk", "Adam F.", "" ], [ "Petrov", "Alexey A.", "" ] ]
The recent discovery of the B_c meson by the CDF collaboration and proposed new experiments at Fermilab and CERN motivate new theoretical studies of the B_c system. Here we investigate the radiative leptonic decay B_c -> gamma l nu. This process is an important background to the annihilation process B_c -> l nu, which ...
hep-ph/0311181
Starostin Alexander Sergeevich
V. N. Kornoukhov, A. S. Starostin
Search for teta 1 3 mixing parameter with the low power reactor
17 pages, 2 figures
null
null
null
hep-ph
null
One of the main problems of neutrino physics is the measurement of mixing parameter sin2(2 teta 1 3). At present time several projects of reactor experiments with sensitivity of sin2(2 teta 1 3) ~ 0.01 are under discussion. Practically, all of them are based on the principle 'one reactor- two detectors'. Such approac...
[ { "created": "Fri, 14 Nov 2003 09:31:10 GMT", "version": "v1" }, { "created": "Tue, 9 Dec 2003 12:58:29 GMT", "version": "v2" }, { "created": "Fri, 16 Jan 2004 13:12:41 GMT", "version": "v3" } ]
2007-05-23
[ [ "Kornoukhov", "V. N.", "" ], [ "Starostin", "A. S.", "" ] ]
One of the main problems of neutrino physics is the measurement of mixing parameter sin2(2 teta 1 3). At present time several projects of reactor experiments with sensitivity of sin2(2 teta 1 3) ~ 0.01 are under discussion. Practically, all of them are based on the principle 'one reactor- two detectors'. Such approach ...
1603.00230
Kasper Lang{\ae}ble
Kasper Langaeble, Aurora Meroni, Francesco Sannino
Neutrino masses and ordering via multimessenger astronomy
10 pages, 5 pictures, Accepted version for Physical Review D
Phys. Rev. D 94, 053013 (2016)
10.1103/PhysRevD.94.053013
CP$^3$-Origins-2016-010 DNRF90, DIAS-2016-10
hep-ph astro-ph.HE gr-qc hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We define the theoretical framework and deduce the conditions under which multi-messenger astronomy can provide useful information about neutrino masses and their ordering. The framework uses time differences between the arrival of neutrinos and the other light messenger, i.e. the graviton, emitted in astrophysical c...
[ { "created": "Tue, 1 Mar 2016 11:05:31 GMT", "version": "v1" }, { "created": "Mon, 19 Sep 2016 18:20:58 GMT", "version": "v2" } ]
2016-10-05
[ [ "Langaeble", "Kasper", "" ], [ "Meroni", "Aurora", "" ], [ "Sannino", "Francesco", "" ] ]
We define the theoretical framework and deduce the conditions under which multi-messenger astronomy can provide useful information about neutrino masses and their ordering. The framework uses time differences between the arrival of neutrinos and the other light messenger, i.e. the graviton, emitted in astrophysical cat...
0709.1786
Fuminobu Takahashi
Fuminobu Takahashi
Inflaton Decay in Supergravity and Gravitino Problem
Talk given at PASCOS-07, to appear in the proceedings. 4 pages
AIPConf.Proc.957:441-444,2007; AIPConf.Proc.1040:57-60,2008
10.1063/1.2823823 10.1063/1.2981553
DESY 07-144
hep-ph
null
We have recently shown that, if the inflaton has a nonzero vacuum expectation value, it generically couples to any matter fields that appear in the superpotential at the tree level, and to any gauge sectors through anomalies in the supergravity. Through these processes, the inflaton decays into the supersymmetry brea...
[ { "created": "Wed, 12 Sep 2007 10:17:56 GMT", "version": "v1" } ]
2008-11-26
[ [ "Takahashi", "Fuminobu", "" ] ]
We have recently shown that, if the inflaton has a nonzero vacuum expectation value, it generically couples to any matter fields that appear in the superpotential at the tree level, and to any gauge sectors through anomalies in the supergravity. Through these processes, the inflaton decays into the supersymmetry breaki...
1612.07973
Stella Riad
Davide Meloni, Tommy Ohlsson, Stella Riad
Renormalization Group Running of Fermion Observables in an Extended Non-Supersymmetric SO(10) Model
24 pages, 3 figures, 3 tables. Final version published in JHEP
JHEP 03 (2017) 045
10.1007/JHEP03(2017)045
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the renormalization group evolution of fermion masses, mixings and quartic scalar Higgs self-couplings in an ${\it extended}$ non-supersymmetric SO(10) model, where the Higgs sector contains the ${\bf 10}_{\rm H}$, ${\bf 120}_{\rm H}$, and ${\bf 126}_{\rm H}$ representations. The group SO(10) is sponta...
[ { "created": "Fri, 23 Dec 2016 13:55:19 GMT", "version": "v1" }, { "created": "Tue, 10 Jan 2017 13:50:02 GMT", "version": "v2" }, { "created": "Thu, 9 Mar 2017 19:11:23 GMT", "version": "v3" } ]
2017-03-13
[ [ "Meloni", "Davide", "" ], [ "Ohlsson", "Tommy", "" ], [ "Riad", "Stella", "" ] ]
We investigate the renormalization group evolution of fermion masses, mixings and quartic scalar Higgs self-couplings in an ${\it extended}$ non-supersymmetric SO(10) model, where the Higgs sector contains the ${\bf 10}_{\rm H}$, ${\bf 120}_{\rm H}$, and ${\bf 126}_{\rm H}$ representations. The group SO(10) is spontane...
hep-ph/0407182
Athar Husain
H. Athar and C. S. Kim
GeV to TeV astrophysical tau neutrinos
17 pages, 5 figures (to appear in PLB)
Phys.Lett. B598 (2004) 1-7
10.1016/j.physletb.2004.07.022
null
hep-ph astro-ph hep-ex
null
Neutrinos with energy greater than GeV are copiously produced in the p(A,p) interactions occurring in several astrophysical sites such as (i) the earth atmosphere, (ii) our galactic plane as well as in (iii) the galaxy clusters. A comparison of the tau and mu neutrino flux in the presence of neutrino oscillations fro...
[ { "created": "Fri, 16 Jul 2004 00:35:22 GMT", "version": "v1" } ]
2009-11-10
[ [ "Athar", "H.", "" ], [ "Kim", "C. S.", "" ] ]
Neutrinos with energy greater than GeV are copiously produced in the p(A,p) interactions occurring in several astrophysical sites such as (i) the earth atmosphere, (ii) our galactic plane as well as in (iii) the galaxy clusters. A comparison of the tau and mu neutrino flux in the presence of neutrino oscillations from ...
hep-ph/9504261
Kaloshin Alexander
A.E.Kaloshin, V.M.Persikov and V.V.Serebryakov
Another look at the angular distributions of the $\gamma\gamma\to\pi \pi$ reactions
16 pages, four figures (POSTSCRIPT)
null
null
ISU-IAP.Th95-01, Irkutsk
hep-ph
null
We analyze the existing data on the angular distributions of the $\gamma\gamma\to \pi^+ \pi^- ,\pi^0 \pi^0$ reactions with using of the unitary model for helicity 2 amplitude. The purpose is to obtain the D--wave parameters and S--wave cross section. We obtain from experiment in the first time the values of $\alpha +...
[ { "created": "Fri, 7 Apr 1995 04:52:35 GMT", "version": "v1" }, { "created": "Mon, 17 Apr 1995 08:19:07 GMT", "version": "v2" } ]
2008-02-03
[ [ "Kaloshin", "A. E.", "" ], [ "Persikov", "V. M.", "" ], [ "Serebryakov", "V. V.", "" ] ]
We analyze the existing data on the angular distributions of the $\gamma\gamma\to \pi^+ \pi^- ,\pi^0 \pi^0$ reactions with using of the unitary model for helicity 2 amplitude. The purpose is to obtain the D--wave parameters and S--wave cross section. We obtain from experiment in the first time the values of $\alpha + \...
hep-ph/0102257
Iain W. Stewart
Andre H. Hoang, Aneesh V. Manohar, Iain W. Stewart
The Running Coulomb Potential and Lamb Shift in QCD
25 pages, 10 figures
Phys.Rev.D64:014033,2001
10.1103/PhysRevD.64.014033
UCSD/PTH 00-25, MPI-PhT/2001-04
hep-ph
null
The QCD beta-function and the anomalous dimensions for the Coulomb potential and the static potential first differ at three loop order. We evaluate the three loop ultrasoft anomalous dimension for the Coulomb potential and give the complete three loop running. Using this result, we calculate the leading logarithmic L...
[ { "created": "Wed, 21 Feb 2001 23:31:44 GMT", "version": "v1" } ]
2008-11-26
[ [ "Hoang", "Andre H.", "" ], [ "Manohar", "Aneesh V.", "" ], [ "Stewart", "Iain W.", "" ] ]
The QCD beta-function and the anomalous dimensions for the Coulomb potential and the static potential first differ at three loop order. We evaluate the three loop ultrasoft anomalous dimension for the Coulomb potential and give the complete three loop running. Using this result, we calculate the leading logarithmic Lam...
2301.04561
V. Gogokhia
V. Gogokhia, Barnaf\"oldi Gergely G\'abor
The gauge symmetry - unbroken and broken - in the QCD ground state
35 pages, 2 figures. arXiv admin note: text overlap with arXiv:2012.15337
null
null
null
hep-ph hep-th
http://creativecommons.org/licenses/by/4.0/
The main purpose of this work is to report on convincing progress made in the investigation of the one of the long-standing conceptual problems in QCD, namely whether the gauge symmetries of the QCD Lagrangian and its ground state coincide or not? For this purpose, we use only the tensor algebra derivation rigorous r...
[ { "created": "Wed, 11 Jan 2023 16:40:44 GMT", "version": "v1" }, { "created": "Tue, 19 Mar 2024 13:09:26 GMT", "version": "v2" } ]
2024-03-22
[ [ "Gogokhia", "V.", "" ], [ "Gábor", "Barnaföldi Gergely", "" ] ]
The main purpose of this work is to report on convincing progress made in the investigation of the one of the long-standing conceptual problems in QCD, namely whether the gauge symmetries of the QCD Lagrangian and its ground state coincide or not? For this purpose, we use only the tensor algebra derivation rigorous rul...
hep-ph/9601235
null
R.G. Roberts and G.G. Ross
Quark Model Description of Polarised Deep Inelastic Scattering and the prediction of $g_2$
Latex 17 pages plus 4 figures (uuencoded)
Phys.Lett. B373 (1996) 235-245
10.1016/0370-2693(96)00116-5
RAL-95-TR-057
hep-ph
null
We show how the operator product expansion evaluated in the approximation of ignoring gluons leads to the covariant formulation of the quark parton model. We discuss the connection with other formulations and show how the free quark model prediction, $g_2=0$, changes smoothly into the Wandzura-Wilczek (WW) relation f...
[ { "created": "Wed, 10 Jan 1996 11:49:04 GMT", "version": "v1" } ]
2009-10-28
[ [ "Roberts", "R. G.", "" ], [ "Ross", "G. G.", "" ] ]
We show how the operator product expansion evaluated in the approximation of ignoring gluons leads to the covariant formulation of the quark parton model. We discuss the connection with other formulations and show how the free quark model prediction, $g_2=0$, changes smoothly into the Wandzura-Wilczek (WW) relation for...
0710.4787
Massimiliano Chiorboli
Massimiliano Chiorboli (Universit\`a and INFN, Catania)
SUSY sensitivity in final states with leptons, jets, and missing transverse energy
Submitted for the SUSY07 proceedings, 4 pages, LaTeX, 6 eps figures
null
null
null
hep-ph
null
Final states with leptons, jets and missing transverse energy are a promising way to detect Supersymmetry at the Large Hadron Collider. Results of simulation studies performed by the CMS and ATLAS collaborations are presented. The discovery of new physics is shown to be possible within the first fb^-1 of collected in...
[ { "created": "Thu, 25 Oct 2007 11:19:46 GMT", "version": "v1" } ]
2007-10-26
[ [ "Chiorboli", "Massimiliano", "", "Università and INFN, Catania" ] ]
Final states with leptons, jets and missing transverse energy are a promising way to detect Supersymmetry at the Large Hadron Collider. Results of simulation studies performed by the CMS and ATLAS collaborations are presented. The discovery of new physics is shown to be possible within the first fb^-1 of collected inte...
hep-ph/0208273
Fornengo Nicolao
A. Bottino, F. Donato, N. Fornengo and S. Scopel (U. of Torino and INFN-Torino)
Supersymmetric Dark Matter
10 pages, 4 figures, uses espcrc2.sty. Invited talk presented by A. Bottino at the First International Conference on "Particle and Fundamental Physics in Space (SPACE PART)", La Biodola, Isola d'Elba (Italy), May 2002. The paper may also be found at http://www.to.infn.it/~fornengo/proceedings/spacepart02.ps.gz
Nucl.Phys.Proc.Suppl. 113 (2002) 50-59
10.1016/S0920-5632(02)01822-4
DFTT 26/2002
hep-ph
null
After a short introduction on some general implications of recent cosmological observations, we discuss the properties of relic neutralinos in connection with present experimental strategies for detecting WIMPs.
[ { "created": "Fri, 30 Aug 2002 07:59:48 GMT", "version": "v1" } ]
2009-11-07
[ [ "Bottino", "A.", "", "U. of Torino and\n INFN-Torino" ], [ "Donato", "F.", "", "U. of Torino and\n INFN-Torino" ], [ "Fornengo", "N.", "", "U. of Torino and\n INFN-Torino" ], [ "Scopel", "S.", "", "U. of Torino and\n INFN-Torino" ] ...
After a short introduction on some general implications of recent cosmological observations, we discuss the properties of relic neutralinos in connection with present experimental strategies for detecting WIMPs.
hep-ph/9706321
Yang Ya-Dong
Dongsheng Du Hongying Jin Yadong Yang
Nonfactorization Effects in Inclusive Decay B->J/\Psi X_s
LaTex, 9 pages, 4 figures. Two references added and typo corrected
Phys.Lett. B414 (1997) 166-172
10.1016/S0370-2693(97)01168-4
BIHEP-Th/97-009
hep-ph
null
We discuss the nonfactorization effects in $B\to J/\Psi+X_{s}$, which is similar to the nonperturbative effect found by Voloshin in the decay $B\to \gamma +X_{s}$. The QCD sum rule has been used to estimate the hadron matrix elements. We find that the correction from this effect is very large and the large discrepanc...
[ { "created": "Wed, 11 Jun 1997 11:23:28 GMT", "version": "v1" }, { "created": "Fri, 13 Jun 1997 07:39:42 GMT", "version": "v2" } ]
2009-10-30
[ [ "Yang", "Dongsheng Du Hongying Jin Yadong", "" ] ]
We discuss the nonfactorization effects in $B\to J/\Psi+X_{s}$, which is similar to the nonperturbative effect found by Voloshin in the decay $B\to \gamma +X_{s}$. The QCD sum rule has been used to estimate the hadron matrix elements. We find that the correction from this effect is very large and the large discrepancy ...
1810.00477
Elena G. Ferreiro
Elena G. Ferreiro
Quarkonium: a theory overview
7 pages, quarkonium theory overview proceedings for QM2018
null
10.1016/j.nuclphysa.2018.12.002
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Quarkonium has long been proposed as one of the golden probes to identify the phase transition from confined hadronic matter to the deconfined quark-gluon plasma in heavy-ion collisions. Since then, we have achieved a better understanding, not only about the propagation of quarkonium in-medium, but also about its pro...
[ { "created": "Sun, 30 Sep 2018 22:22:45 GMT", "version": "v1" } ]
2019-02-20
[ [ "Ferreiro", "Elena G.", "" ] ]
Quarkonium has long been proposed as one of the golden probes to identify the phase transition from confined hadronic matter to the deconfined quark-gluon plasma in heavy-ion collisions. Since then, we have achieved a better understanding, not only about the propagation of quarkonium in-medium, but also about its produ...
0903.3073
Wei Zhu
Jianhong Ruan and Wei Zhu
Prediction for unintegrated parton distributions
Review article, 50 pages, 19 figures. To appear in Physical Review C
Phys.Rev.C80:045209,2009
10.1103/PhysRevC.80.045209
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Unintegrated parton distributions in the proton and nucleus are predicted by a modified DGLAP equation incorporating the shadowing corrections, which include exact energy-momentum conservation in each splitting and fusion vertices. We find that the nuclear shadowing effects are obvious, although they are far from the...
[ { "created": "Wed, 18 Mar 2009 01:44:58 GMT", "version": "v1" }, { "created": "Tue, 13 Oct 2009 20:56:24 GMT", "version": "v2" } ]
2009-10-29
[ [ "Ruan", "Jianhong", "" ], [ "Zhu", "Wei", "" ] ]
Unintegrated parton distributions in the proton and nucleus are predicted by a modified DGLAP equation incorporating the shadowing corrections, which include exact energy-momentum conservation in each splitting and fusion vertices. We find that the nuclear shadowing effects are obvious, although they are far from the s...
2104.12785
Eugenio Del Nobile
Eugenio Del Nobile
Appendiciario -- A hands-on manual on the theory of direct Dark Matter detection
193 pages, 20 figures. A code to generate most of the figures is available at https://sites.google.com/view/appendiciario/
Lect. Notes Phys. 996 (2022)
10.1007/978-3-030-95228-0
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A manual for computations in direct Dark Matter detection phenomenology. Featuring self-contained sections on non-relativistic expansion, elastic and inelastic scattering kinematics, Dark Matter velocity distribution, hadronic matrix elements, nuclear form factors, cross sections, rate spectra and parameter-space con...
[ { "created": "Mon, 26 Apr 2021 18:00:03 GMT", "version": "v1" } ]
2022-05-16
[ [ "Del Nobile", "Eugenio", "" ] ]
A manual for computations in direct Dark Matter detection phenomenology. Featuring self-contained sections on non-relativistic expansion, elastic and inelastic scattering kinematics, Dark Matter velocity distribution, hadronic matrix elements, nuclear form factors, cross sections, rate spectra and parameter-space const...
0706.3853
Vladimir Galkin
D. Ebert, R. N. Faustov, V. O. Galkin, W. Lucha
Masses of tetraquarks with two heavy quarks in the relativistic quark model
12 pages; version to be published in Phys.Rev.D
Phys.Rev.D76:114015,2007
10.1103/PhysRevD.76.114015
HU-EP-07/21, HEPHY-PUB 842/07
hep-ph
null
Masses of tetraquarks with two heavy quarks and open charm and bottom are calculated in the framework of the diquark-antidiquark picture in the relativistic quark model. All model parameters were regarded as fixed by previous considerations of various properties of mesons and baryons. The light quarks and diquarks ar...
[ { "created": "Tue, 26 Jun 2007 15:02:16 GMT", "version": "v1" }, { "created": "Wed, 21 Nov 2007 14:51:15 GMT", "version": "v2" } ]
2008-11-26
[ [ "Ebert", "D.", "" ], [ "Faustov", "R. N.", "" ], [ "Galkin", "V. O.", "" ], [ "Lucha", "W.", "" ] ]
Masses of tetraquarks with two heavy quarks and open charm and bottom are calculated in the framework of the diquark-antidiquark picture in the relativistic quark model. All model parameters were regarded as fixed by previous considerations of various properties of mesons and baryons. The light quarks and diquarks are ...
1604.05320
Sebastian Ellis
Bobby S. Acharya, Sebastian A. R. Ellis, Gordon L. Kane, Brent D. Nelson, Malcolm J. Perry
The lightest visible-sector supersymmetric particle is likely to be unstable
5 pages
Phys. Rev. Lett. 117, 181802 (2016)
10.1103/PhysRevLett.117.181802
MCTP-16-10
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We argue, based on typical properties of known solutions of string/$M$-theory, that the lightest supersymmetric particle of the visible sector will not be stable. In other words, dark matter is {\em not} a particle with Standard Model quantum numbers, such as a WIMP. The argument is simple and based on the typical oc...
[ { "created": "Mon, 18 Apr 2016 20:00:06 GMT", "version": "v1" } ]
2016-11-02
[ [ "Acharya", "Bobby S.", "" ], [ "Ellis", "Sebastian A. R.", "" ], [ "Kane", "Gordon L.", "" ], [ "Nelson", "Brent D.", "" ], [ "Perry", "Malcolm J.", "" ] ]
We argue, based on typical properties of known solutions of string/$M$-theory, that the lightest supersymmetric particle of the visible sector will not be stable. In other words, dark matter is {\em not} a particle with Standard Model quantum numbers, such as a WIMP. The argument is simple and based on the typical occu...
hep-ph/0510258
Cheuk-Yin Wong
Cheuk-Yin Wong (ORNL & UT)
Quantum Treatment of the Multiple Scattering and Collective Flow in Intensity Interferometry
6 pages, in LaTex, to be published in the Proceedings of the Workshop on Particle Correlations and Femtoscopy, Kromeriz, Czech Republic, August 15-17, 2005
AIP Conference Proceedings, Volume 828, Edited by V. Simak et al., pages 617-622 (2006).
10.1063/1.2197478
null
hep-ph nucl-th quant-ph
null
We apply the path-integral method to study the multiple scattering and collective flow in intensity interferometry in high-energy heavy-ion collisions. We show that the Glauber model and eikonal approximation in an earlier quantum treatment are special examples of the more general path-integral method. The multiple s...
[ { "created": "Wed, 19 Oct 2005 20:09:23 GMT", "version": "v1" } ]
2014-11-18
[ [ "Wong", "Cheuk-Yin", "", "ORNL & UT" ] ]
We apply the path-integral method to study the multiple scattering and collective flow in intensity interferometry in high-energy heavy-ion collisions. We show that the Glauber model and eikonal approximation in an earlier quantum treatment are special examples of the more general path-integral method. The multiple sca...
hep-ph/0103259
Pedro David Ruiz-Femenia
P. Ruiz-Femenia and A. Pich (IFIC-Universidad de Valencia, Valencia)
The NNLO tau+tau- Production Cross Section Close to Threshold
23+1 pages, 6 figures
Phys.Rev.D64:053001,2001
10.1103/PhysRevD.64.053001
IFIC/01-14, FTUV/01-0323
hep-ph hep-ex
null
The threshold behaviour of the cross section sigma(e+e+ -> tau+tau-) is analysed, taking into account the known higher-order corrections. At present, this observable can be determined to next-to-next-to-leading order (NNLO) in a combined expansion in powers of alpha_s and fermion velocities.
[ { "created": "Fri, 23 Mar 2001 19:24:21 GMT", "version": "v1" } ]
2009-12-31
[ [ "Ruiz-Femenia", "P.", "", "IFIC-Universidad de Valencia, Valencia" ], [ "Pich", "A.", "", "IFIC-Universidad de Valencia, Valencia" ] ]
The threshold behaviour of the cross section sigma(e+e+ -> tau+tau-) is analysed, taking into account the known higher-order corrections. At present, this observable can be determined to next-to-next-to-leading order (NNLO) in a combined expansion in powers of alpha_s and fermion velocities.
hep-ph/0611005
Giuseppe Nardulli
Giuseppe Nardulli
QCD, New Physics and Experiment
Talk given at Quark Confinement and the Hadron Spectrum VII, Ponta Delgada, Azores, 2-7 September 2006; 6 pages
AIPConf.Proc.892:143-148,2007
10.1063/1.2714358
null
hep-ph
null
I give a summary of Section E of the seventh edition of the Conference ''Quark confinement and the hadron spectrum". Papers were presented on different subjects, from spectroscopy, including pentaquarks and hadron structure, to the quest for physics beyond the standard model.
[ { "created": "Wed, 1 Nov 2006 10:20:39 GMT", "version": "v1" } ]
2008-11-26
[ [ "Nardulli", "Giuseppe", "" ] ]
I give a summary of Section E of the seventh edition of the Conference ''Quark confinement and the hadron spectrum". Papers were presented on different subjects, from spectroscopy, including pentaquarks and hadron structure, to the quest for physics beyond the standard model.
1207.6920
Heikki M\"antysaari
Tuomas Lappi and Heikki M\"antysaari
Forward dihadron correlations in the Gaussian approximation of JIMWLK
4 pages, 4 figures, talk given at the 5th international Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions (Hard Probes 2012), May 27th - June 1st, Caglirai (Italy). v2: new reference, fixed typos
Nucl. Phys. A910-911 (2013) 498-501
10.1016/j.nuclphysa.2012.12.057
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute forward dihadron azimuthal correlations in deuteron-gold collisions using a Gaussian approximation for the quadrupole operator. The double parton scattering contribution is found to be part of our dihadron calculation. We obtain a good description of the PHENIX data for the azimuthal-angle dependent away s...
[ { "created": "Mon, 30 Jul 2012 12:43:23 GMT", "version": "v1" }, { "created": "Fri, 21 Sep 2012 19:06:50 GMT", "version": "v2" } ]
2013-11-28
[ [ "Lappi", "Tuomas", "" ], [ "Mäntysaari", "Heikki", "" ] ]
We compute forward dihadron azimuthal correlations in deuteron-gold collisions using a Gaussian approximation for the quadrupole operator. The double parton scattering contribution is found to be part of our dihadron calculation. We obtain a good description of the PHENIX data for the azimuthal-angle dependent away sid...
0903.3946
Paul Romatschke
Paul Romatschke and Dam Thanh Son
Spectral sum rules for the quark-gluon plasma
21 pages, 3 figures
Phys.Rev.D80:065021,2009
10.1103/PhysRevD.80.065021
INT-PUB-09-15
hep-ph hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We derive sum rules involving the spectral density of the stress-energy tensor in N=4 super-Yang-Mills theory and pure Yang-Mills theory. The sum rules come from the hydrodynamic behavior at small momenta and the conformal (in the case of N=4 SYM theory) or asymptotically free (as for the pure Yang-Mills theory) beha...
[ { "created": "Tue, 24 Mar 2009 19:13:06 GMT", "version": "v1" } ]
2009-11-06
[ [ "Romatschke", "Paul", "" ], [ "Son", "Dam Thanh", "" ] ]
We derive sum rules involving the spectral density of the stress-energy tensor in N=4 super-Yang-Mills theory and pure Yang-Mills theory. The sum rules come from the hydrodynamic behavior at small momenta and the conformal (in the case of N=4 SYM theory) or asymptotically free (as for the pure Yang-Mills theory) behavi...
hep-ph/9510396
Daniel Wyler
R. Baur, J. Kambor and D. Wyler
Electromagnetic Corrections to the decays $\eta \to 3\pi$
15 pages including 1 Postscript figure
Nucl.Phys. B460 (1996) 127-142
10.1016/0550-3213(95)00643-5
ZU-TH 16/95
hep-ph
null
We calculate the electromagnetic corrections to the decays $\eta \rightarrow 3\pi$ in next to leading order in the chiral expansion. We find that the corrections are small in accordance with Sutherland's theorem and modify neither rate nor the Dalitz plot distributions noticeably.
[ { "created": "Tue, 24 Oct 1995 20:33:20 GMT", "version": "v1" } ]
2009-10-28
[ [ "Baur", "R.", "" ], [ "Kambor", "J.", "" ], [ "Wyler", "D.", "" ] ]
We calculate the electromagnetic corrections to the decays $\eta \rightarrow 3\pi$ in next to leading order in the chiral expansion. We find that the corrections are small in accordance with Sutherland's theorem and modify neither rate nor the Dalitz plot distributions noticeably.
2105.13109
Guang-Juan Wang
Guang-Juan Wang, Lu Meng, Makoto Oka and Shi-Lin Zhu
Higher fully-charmed tetraquarks: Radial excitations and P-wave states
15 pages, 3 figures. Version published in PRD
Phys. Rev. D 104, 036016 (2021)
10.1103/PhysRevD.104.036016
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We systematically calculate the mass spectrum of the higher excited fully-charmed tetraquark $cc\bar c\bar c$ states including the S-wave radial excitations and the P-wave states with a nonrelativistic quark model. The quark model is composed of a vector one-gluon-exchange (OGE) and a scalar linear confinement intera...
[ { "created": "Thu, 27 May 2021 13:11:20 GMT", "version": "v1" }, { "created": "Wed, 1 Sep 2021 16:19:44 GMT", "version": "v2" } ]
2021-09-08
[ [ "Wang", "Guang-Juan", "" ], [ "Meng", "Lu", "" ], [ "Oka", "Makoto", "" ], [ "Zhu", "Shi-Lin", "" ] ]
We systematically calculate the mass spectrum of the higher excited fully-charmed tetraquark $cc\bar c\bar c$ states including the S-wave radial excitations and the P-wave states with a nonrelativistic quark model. The quark model is composed of a vector one-gluon-exchange (OGE) and a scalar linear confinement interact...
2006.13918
Hongwan Liu
Masha Baryakhtar, Asher Berlin, Hongwan Liu, Neal Weiner
Electromagnetic Signals of Inelastic Dark Matter Scattering
25 pages, 7 figures. v2: clarifications and minor updates to analysis, results unchanged
null
null
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Light dark sectors in thermal contact with the Standard Model naturally produce the observed relic dark matter abundance and are the targets of a broad experimental search program. A key light dark sector model is the pseudo-Dirac fermion with a dark photon mediator. The dynamics of the fermionic excited states are o...
[ { "created": "Wed, 24 Jun 2020 17:48:42 GMT", "version": "v1" }, { "created": "Wed, 1 Sep 2021 19:54:58 GMT", "version": "v2" } ]
2021-09-03
[ [ "Baryakhtar", "Masha", "" ], [ "Berlin", "Asher", "" ], [ "Liu", "Hongwan", "" ], [ "Weiner", "Neal", "" ] ]
Light dark sectors in thermal contact with the Standard Model naturally produce the observed relic dark matter abundance and are the targets of a broad experimental search program. A key light dark sector model is the pseudo-Dirac fermion with a dark photon mediator. The dynamics of the fermionic excited states are oft...
hep-ph/9510444
Aharon Davidson
A.Davidson, T.Schwartz, K.C.Wali
Light-Heavy Symmetry: Geometric Mass Hierarchy for Three Families
12 pages, no figures, Revtex file
J.Phys. G24 (1998) L55-L62
10.1088/0954-3899/24/9/002
BGU PH-95/09
hep-ph hep-th
null
The Universal Seesaw pattern coupled with a Light$\leftrightarrow$Heavy symmetry principle leads to the Diophantine equation $\displaystyle N = \sum_{i=1}^Nn_i$, where $n_i\geq 0$ and distinct. Its unique non-trivial solution $(3=0+1+2)$ gives rise to the geometric mass hierarchy $m_W$, $m_W\epsilon$, $m_W\epsilon^2$...
[ { "created": "Mon, 30 Oct 1995 10:15:20 GMT", "version": "v1" } ]
2009-10-28
[ [ "Davidson", "A.", "" ], [ "Schwartz", "T.", "" ], [ "Wali", "K. C.", "" ] ]
The Universal Seesaw pattern coupled with a Light$\leftrightarrow$Heavy symmetry principle leads to the Diophantine equation $\displaystyle N = \sum_{i=1}^Nn_i$, where $n_i\geq 0$ and distinct. Its unique non-trivial solution $(3=0+1+2)$ gives rise to the geometric mass hierarchy $m_W$, $m_W\epsilon$, $m_W\epsilon^2$ f...
1912.01431
Wei Su
Ning Chen, Tao Han, Shuailong Li, Shufang Su, Wei Su, Yongcheng Wu
Type-I 2HDM under the Higgs and Electroweak Precision Measurements
Delete the duplicated plots. arXiv admin note: text overlap with arXiv:1808.02037
null
null
PITT-PACC-1901
hep-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
We explore the extent to which future precision measurements of the Standard Model (SM) observables at the proposed $Z$-factories and Higgs factories may have impacts on new physics beyond the Standard Model, as illustrated by studying the Type-I Two-Higgs-doublet model (Type-I 2HDM). We include the contributions fro...
[ { "created": "Mon, 2 Dec 2019 12:13:51 GMT", "version": "v1" }, { "created": "Wed, 14 Oct 2020 06:52:09 GMT", "version": "v2" }, { "created": "Wed, 18 Nov 2020 07:45:39 GMT", "version": "v3" } ]
2020-11-20
[ [ "Chen", "Ning", "" ], [ "Han", "Tao", "" ], [ "Li", "Shuailong", "" ], [ "Su", "Shufang", "" ], [ "Su", "Wei", "" ], [ "Wu", "Yongcheng", "" ] ]
We explore the extent to which future precision measurements of the Standard Model (SM) observables at the proposed $Z$-factories and Higgs factories may have impacts on new physics beyond the Standard Model, as illustrated by studying the Type-I Two-Higgs-doublet model (Type-I 2HDM). We include the contributions from ...
2307.01183
Zuhal Seyma Demiroglu
Salim Cerci, Zuhal Seyma Demiroglu, Abhay Deshpande, Paul R. Newman, Barak Schmookler, Deniz Sunar Cerci, Katarzyna Wichmann
Extraction of the strong coupling with HERA and EIC inclusive data
12 pages, 4 figures
null
null
null
hep-ph hep-ex hep-th nucl-ex nucl-th
http://creativecommons.org/licenses/by/4.0/
Sensitivity to the strong coupling $\alpha_S(M^2_Z)$ is investigated using existing Deep Inelastic Scattering data from HERA in combination with projected future measurements from the Electron Ion Collider (EIC) in a next-to-next-to-leading order QCD analysis. A potentially world-leading level of precision is achieva...
[ { "created": "Mon, 3 Jul 2023 17:49:04 GMT", "version": "v1" }, { "created": "Tue, 24 Oct 2023 20:32:48 GMT", "version": "v2" } ]
2023-10-26
[ [ "Cerci", "Salim", "" ], [ "Demiroglu", "Zuhal Seyma", "" ], [ "Deshpande", "Abhay", "" ], [ "Newman", "Paul R.", "" ], [ "Schmookler", "Barak", "" ], [ "Cerci", "Deniz Sunar", "" ], [ "Wichmann", "Katarzyna", ...
Sensitivity to the strong coupling $\alpha_S(M^2_Z)$ is investigated using existing Deep Inelastic Scattering data from HERA in combination with projected future measurements from the Electron Ion Collider (EIC) in a next-to-next-to-leading order QCD analysis. A potentially world-leading level of precision is achievabl...
0905.2067
Victor Goncalves
V.P. Goncalves, M.V.T. Machado, A.R. Meneses
Heavy Quark Photoproduction in Coherent Interactions at High Energies
9 pages, 6 figures, 1 table
Phys.Rev.D80:034021,2009
10.1103/PhysRevD.80.034021
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the inclusive and diffractive photoproduction of heavy quarks in proton-proton collisions at Tevatron and LHC energies, where the photon reaches energies larger than those ones accessible at DESY-HERA. The integrated cross section and the rapidity distributions for charm and bottom production are compute...
[ { "created": "Wed, 13 May 2009 11:12:17 GMT", "version": "v1" } ]
2009-09-02
[ [ "Goncalves", "V. P.", "" ], [ "Machado", "M. V. T.", "" ], [ "Meneses", "A. R.", "" ] ]
We calculate the inclusive and diffractive photoproduction of heavy quarks in proton-proton collisions at Tevatron and LHC energies, where the photon reaches energies larger than those ones accessible at DESY-HERA. The integrated cross section and the rapidity distributions for charm and bottom production are computed ...
2308.15377
Shohini Bhattacharya
Shohini Bhattacharya, Yoshitaka Hatta, Werner Vogelsang
Unraveling anomalies in Deeply Virtual Compton Scattering
7 pages, 1 figure; contribution to DIS2023: XXX International Workshop on Deep-Inelastic Scattering and Related Subjects, Michigan State University, USA, 27-31 March 2023
null
null
null
hep-ph nucl-th
http://creativecommons.org/licenses/by/4.0/
We calculate the one-loop quark box diagrams relevant to polarized and unpolarized Deeply Virtual Compton Scattering by introducing an off-forward momentum $l^\mu$ as an infrared regulator. This regularization approach allows us to reveal the poles associated with the chiral anomaly in the polarized scenario, as well...
[ { "created": "Tue, 29 Aug 2023 15:15:10 GMT", "version": "v1" } ]
2023-08-30
[ [ "Bhattacharya", "Shohini", "" ], [ "Hatta", "Yoshitaka", "" ], [ "Vogelsang", "Werner", "" ] ]
We calculate the one-loop quark box diagrams relevant to polarized and unpolarized Deeply Virtual Compton Scattering by introducing an off-forward momentum $l^\mu$ as an infrared regulator. This regularization approach allows us to reveal the poles associated with the chiral anomaly in the polarized scenario, as well a...
2011.07150
Ka\u{g}an \c{S}im\c{s}ek
T. M. Aliev and K. \c{S}im\c{s}ek
Strong vertices of doubly heavy spin-3/2--spin-1/2 baryons with light mesons in light-cone QCD sum rules
27 pages, 8 figures, 4 tables
Phys. Rev. D 103, 054044 (2021)
10.1103/PhysRevD.103.054044
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
In this paper, we analyze the doubly heavy spin-3/2--spin-1/2 baryons and light meson vertices within the method of light-cone QCD sum rules. These vertices are parametrized in terms of one (three) coupling constant(s) for the pseudoscalar (vector) mesons. The said coupling constants are calculated for all possible t...
[ { "created": "Fri, 13 Nov 2020 22:14:19 GMT", "version": "v1" } ]
2021-04-07
[ [ "Aliev", "T. M.", "" ], [ "Şimşek", "K.", "" ] ]
In this paper, we analyze the doubly heavy spin-3/2--spin-1/2 baryons and light meson vertices within the method of light-cone QCD sum rules. These vertices are parametrized in terms of one (three) coupling constant(s) for the pseudoscalar (vector) mesons. The said coupling constants are calculated for all possible tra...
2212.14485
Dris Boubaa
Dris Boubaa, Shaaban Khalil, Stefano Moretti, Cem Salih Un
Explaining the ${\mathcal{R}}(D)$ and ${\mathcal{R}}(D^{\ast})$ Anomalies in the $B-L$ Supersymmetric Standard Model with Inverse Seesaw
7 pages, 3 figures
null
10.1103/PhysRevD.107.075024
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the ${\mathcal{R}}(D)$ and ${\mathcal{R}}(D^{\ast})$ anomalies in the context of the $B-L$ extension of the Minimal Supersymmetric Standard Model with Inverse Seesaw. We demonstrate that the lepton penguin $W^{\pm}l \bar\nu_l $ ($l=e,\mu,\tau$) mediated by CP-even/odd right-handed sneutrinos, charginos...
[ { "created": "Thu, 29 Dec 2022 23:45:11 GMT", "version": "v1" } ]
2023-05-03
[ [ "Boubaa", "Dris", "" ], [ "Khalil", "Shaaban", "" ], [ "Moretti", "Stefano", "" ], [ "Un", "Cem Salih", "" ] ]
We investigate the ${\mathcal{R}}(D)$ and ${\mathcal{R}}(D^{\ast})$ anomalies in the context of the $B-L$ extension of the Minimal Supersymmetric Standard Model with Inverse Seesaw. We demonstrate that the lepton penguin $W^{\pm}l \bar\nu_l $ ($l=e,\mu,\tau$) mediated by CP-even/odd right-handed sneutrinos, charginos a...
1203.5539
Howard Baer
Howard Baer, Vernon Barger, Peisi Huang and Xerxes Tata
Natural Supersymmetry: LHC, dark matter and ILC searches
24 pages including 21 .eps figures
null
10.1007/JHEP05(2012)109
UH-511-1190-12
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Particle physics models with Natural Supersymmetry are characterized by a superpotential parameter \mu \sim m_h \sim125$ GeV, while third generation squarks have mass <0.5-1.5 TeV. Gluinos should be lighter than several TeV so as not to destabilize the lighter squarks. First and second generation sfermions can be at ...
[ { "created": "Sun, 25 Mar 2012 20:00:26 GMT", "version": "v1" } ]
2015-06-04
[ [ "Baer", "Howard", "" ], [ "Barger", "Vernon", "" ], [ "Huang", "Peisi", "" ], [ "Tata", "Xerxes", "" ] ]
Particle physics models with Natural Supersymmetry are characterized by a superpotential parameter \mu \sim m_h \sim125$ GeV, while third generation squarks have mass <0.5-1.5 TeV. Gluinos should be lighter than several TeV so as not to destabilize the lighter squarks. First and second generation sfermions can be at th...
hep-ph/0111211
Peter Levai
G. Fai, G.G. Barnafoldi, M. Gyulassy, P. Levai, G. Papp, I. Vitev, Y. Zhang
Jet quenching as a probe of gluon plasma formation
Presented at the International Europhysics Conference on High Energy Physics (HEP2001), Budapest, Hungary, 12-18 July 2001. 7 pages in Latex, 2 EPS figures
null
null
null
hep-ph
null
We study, in a pQCD calculation augmented by nuclear effects, the jet energy loss needed to reproduce the pi^0 spectra in Au+Au collisions at large p_T, measured by PHENIX at RHIC. The transverse width of the parton momentum distributions (intrinsic-k_T) is used phenomenologically to obtain a reliable baseline pp res...
[ { "created": "Fri, 16 Nov 2001 16:19:50 GMT", "version": "v1" } ]
2007-05-23
[ [ "Fai", "G.", "" ], [ "Barnafoldi", "G. G.", "" ], [ "Gyulassy", "M.", "" ], [ "Levai", "P.", "" ], [ "Papp", "G.", "" ], [ "Vitev", "I.", "" ], [ "Zhang", "Y.", "" ] ]
We study, in a pQCD calculation augmented by nuclear effects, the jet energy loss needed to reproduce the pi^0 spectra in Au+Au collisions at large p_T, measured by PHENIX at RHIC. The transverse width of the parton momentum distributions (intrinsic-k_T) is used phenomenologically to obtain a reliable baseline pp resul...
1309.3968
Michael Strickland
Najmul Haque, Jens O. Andersen, Munshi G. Mustafa, Michael Strickland, and Nan Su
Three-loop HTLpt Pressure and Susceptibilities at Finite Temperature and Density
5 pages, 5 figures; v4 - small typo fixes; published version
Phys. Rev. D 89, 061701 (2014)
10.1103/PhysRevD.89.061701
BI-TP 2013/24
hep-ph hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present results of a three-loop hard-thermal-loop perturbation theory calculation of the thermodynamical potential of a finite temperature and baryon chemical potential system of quarks and gluons. We compare the resulting pressure and diagonal quark susceptibilities with available lattice data. We find reasonable...
[ { "created": "Mon, 16 Sep 2013 14:16:00 GMT", "version": "v1" }, { "created": "Wed, 2 Oct 2013 16:19:21 GMT", "version": "v2" }, { "created": "Tue, 12 Nov 2013 20:22:22 GMT", "version": "v3" }, { "created": "Thu, 6 Mar 2014 20:03:49 GMT", "version": "v4" } ]
2014-03-12
[ [ "Haque", "Najmul", "" ], [ "Andersen", "Jens O.", "" ], [ "Mustafa", "Munshi G.", "" ], [ "Strickland", "Michael", "" ], [ "Su", "Nan", "" ] ]
We present results of a three-loop hard-thermal-loop perturbation theory calculation of the thermodynamical potential of a finite temperature and baryon chemical potential system of quarks and gluons. We compare the resulting pressure and diagonal quark susceptibilities with available lattice data. We find reasonable a...
1205.0770
Marco Serone
David Marzocca, Marco Serone and Jing Shu
General Composite Higgs Models
51 pages, 12 figures, 5 appendices; v2: Corrected estimates of \delta g_b in appendix B, references fixed, several minor improvements; v3: minor improvements, to appear in JHEP
null
10.1007/JHEP08(2012)013
SISSA-11/2012/EP
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We construct a general class of pseudo-Goldstone composite Higgs models, within the minimal SO(5)/SO(4) coset structure, that are not necessarily of moose-type. We characterize the main properties these models should have in order to give rise to a Higgs mass around 125 GeV. We assume the existence of relatively ligh...
[ { "created": "Thu, 3 May 2012 17:16:46 GMT", "version": "v1" }, { "created": "Fri, 11 May 2012 13:13:47 GMT", "version": "v2" }, { "created": "Wed, 1 Aug 2012 07:47:01 GMT", "version": "v3" } ]
2015-06-05
[ [ "Marzocca", "David", "" ], [ "Serone", "Marco", "" ], [ "Shu", "Jing", "" ] ]
We construct a general class of pseudo-Goldstone composite Higgs models, within the minimal SO(5)/SO(4) coset structure, that are not necessarily of moose-type. We characterize the main properties these models should have in order to give rise to a Higgs mass around 125 GeV. We assume the existence of relatively light ...
1712.08640
Peter Tsang
Peter H. Tsang
Test of an Analytic, Finite, Non-Perturbative, Gauge-Invariant QCD formulation against elastic pp scattering at the ISR energies
Conference proceedings for the 15th International Conference of Numerical Analysis and Applied Mathematics. 2017. Thessaloniki, Greece
null
10.1063/1.5043924
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A recent QCD formulation that is non-perturbative, finite, gauge-invariant, exact emerged from Schwinger's Generating Functional. A first test of the validity of this formulation is provided here against elastic proton-proton scattering at the Intersecting Storage Rings, ISR, energies. Extension to LHC energies is un...
[ { "created": "Fri, 22 Dec 2017 20:05:20 GMT", "version": "v1" } ]
2018-08-01
[ [ "Tsang", "Peter H.", "" ] ]
A recent QCD formulation that is non-perturbative, finite, gauge-invariant, exact emerged from Schwinger's Generating Functional. A first test of the validity of this formulation is provided here against elastic proton-proton scattering at the Intersecting Storage Rings, ISR, energies. Extension to LHC energies is unde...
1302.0300
Thomas A. Trainor
Thomas A. Trainor, David T. Kettler, Duncan J. Prindle and R. L. Ray
Challenging claims of "elliptic flow" by comparing azimuth quadrupole and jet-related angular correlations from Au-Au collisions at $\sqrt{s_{NN}} = $ 62 and 200 GeV
16 pages, 9 figures
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Background: A component of azimuth correlations from high-energy heavy ion collisions varying as $\cos(2\phi)$ and denoted by symbol $v_2$ is conventionally interpreted to represent "elliptic flow," a hydrodynamic manifestation of the initial-state \aa overlap geometry. Several numerical methods are used to estimate ...
[ { "created": "Fri, 1 Feb 2013 21:39:12 GMT", "version": "v1" }, { "created": "Tue, 23 Sep 2014 21:33:37 GMT", "version": "v2" } ]
2014-09-25
[ [ "Trainor", "Thomas A.", "" ], [ "Kettler", "David T.", "" ], [ "Prindle", "Duncan J.", "" ], [ "Ray", "R. L.", "" ] ]
Background: A component of azimuth correlations from high-energy heavy ion collisions varying as $\cos(2\phi)$ and denoted by symbol $v_2$ is conventionally interpreted to represent "elliptic flow," a hydrodynamic manifestation of the initial-state \aa overlap geometry. Several numerical methods are used to estimate $v...
0810.4421
Pankaj Jain
Pavan Kumar Aluri, Pankaj Jain and Naveen K. Singh
Dark Energy and Dark Matter in General Relativity with local scale invariance
17 pages, 1 figure
Mod.Phys.Lett.A24:1583-1595,2009
10.1142/S0217732309030060
null
hep-ph astro-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider a generalization of Einstein's general theory of relativity such that it respects local scale invariance. This requires the introduction of a scalar and a vector field in the action. We show that the theory naturally displays both dark energy and dark matter. We solve the resulting equations of motion ass...
[ { "created": "Fri, 24 Oct 2008 09:39:58 GMT", "version": "v1" } ]
2010-04-21
[ [ "Aluri", "Pavan Kumar", "" ], [ "Jain", "Pankaj", "" ], [ "Singh", "Naveen K.", "" ] ]
We consider a generalization of Einstein's general theory of relativity such that it respects local scale invariance. This requires the introduction of a scalar and a vector field in the action. We show that the theory naturally displays both dark energy and dark matter. We solve the resulting equations of motion assum...
hep-ph/0601197
Johan Bijnens
Johan Bijnens, Elvira Gamiz and Joaquim Prades
The $B_K$ Kaon Parameter in the Chiral Limit
17 pages
JHEP 0603 (2006) 048
10.1088/1126-6708/2006/03/048
CAFPE/70-06, LU TP 06-03, UG-FT/200-06
hep-ph hep-lat
null
We introduce four-point functions in the hadronic ladder resummation approach to large $N_c$ QCD Green functions. We determine the relevant one to calculate the $B_K$ kaon parameter in the chiral limit. This four-point function contains both the large momenta QCD OPE and the small momenta ChPT at NLO limits, analytic...
[ { "created": "Tue, 24 Jan 2006 13:01:50 GMT", "version": "v1" } ]
2009-11-11
[ [ "Bijnens", "Johan", "" ], [ "Gamiz", "Elvira", "" ], [ "Prades", "Joaquim", "" ] ]
We introduce four-point functions in the hadronic ladder resummation approach to large $N_c$ QCD Green functions. We determine the relevant one to calculate the $B_K$ kaon parameter in the chiral limit. This four-point function contains both the large momenta QCD OPE and the small momenta ChPT at NLO limits, analytical...
1503.07225
Joel Klinger
J. Klinger and V. A. Kudryavtsev
Muon-induced neutrons do not explain the DAMA data
6 pages, 4 figures, accepted for publication in PRL
Phys. Rev. Lett. 114 (2015) 151301
10.1103/PhysRevLett.114.151301
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present an accurate model of the muon-induced background in the DAMA/LIBRA experiment. Our work challenges proposed mechanisms which seek to explain the observed DAMA signal modulation with muon-induced backgrounds. Muon generation and transport are performed using the MUSIC/MUSUN code, and subsequent interactions...
[ { "created": "Tue, 24 Mar 2015 22:48:23 GMT", "version": "v1" } ]
2015-04-16
[ [ "Klinger", "J.", "" ], [ "Kudryavtsev", "V. A.", "" ] ]
We present an accurate model of the muon-induced background in the DAMA/LIBRA experiment. Our work challenges proposed mechanisms which seek to explain the observed DAMA signal modulation with muon-induced backgrounds. Muon generation and transport are performed using the MUSIC/MUSUN code, and subsequent interactions i...
hep-ph/0201226
Utpal Sarkar
H.V. Klapdor-Kleingrothaus and U. Sarkar
Majorana neutrinos with split fermions in extra dimensions
12 pages, 1 figure, revised
Phys.Lett. B541 (2002) 332-337
10.1016/S0370-2693(02)02260-8
null
hep-ph
null
We propose new solutions to the neutrino mass problem in theories with large extra dimensions in a thick wall scenario. It has recently been argued that our 3-brane could be a thick wall at the boundary of the bulk. The gauge bosons and the Higgs scalars have an almost flat profile on this wall, while fermions could ...
[ { "created": "Wed, 23 Jan 2002 18:56:16 GMT", "version": "v1" }, { "created": "Mon, 28 Jan 2002 23:07:11 GMT", "version": "v2" }, { "created": "Fri, 1 Feb 2002 03:49:57 GMT", "version": "v3" }, { "created": "Mon, 11 Feb 2002 00:18:48 GMT", "version": "v4" }, { "cr...
2009-11-07
[ [ "Klapdor-Kleingrothaus", "H. V.", "" ], [ "Sarkar", "U.", "" ] ]
We propose new solutions to the neutrino mass problem in theories with large extra dimensions in a thick wall scenario. It has recently been argued that our 3-brane could be a thick wall at the boundary of the bulk. The gauge bosons and the Higgs scalars have an almost flat profile on this wall, while fermions could ha...
2404.12233
Wojciech Kotlarski
Jan Kalinowski and Wojciech Kotlarski
Constraining Higgs sectors of BSM models -- the case of 95 GeV "Higgs"
10 pages, 1 table, 2 figures; Proceedings of the "Workshop on the Standard Model and Beyond", Corfu Summer Institute, 2023 (CORFU2023-SM)
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In view of lack of the direct experimental evidence for a Beyond the Standard Model (BSM) physics, accommodating a SM-like Higgs boson is on the most important constraints that a BSM model must fulfill. Already for some time the FlexibleSUSY spectrum generator generator allowed for a reliable prediction of masses and...
[ { "created": "Thu, 18 Apr 2024 14:50:55 GMT", "version": "v1" } ]
2024-04-19
[ [ "Kalinowski", "Jan", "" ], [ "Kotlarski", "Wojciech", "" ] ]
In view of lack of the direct experimental evidence for a Beyond the Standard Model (BSM) physics, accommodating a SM-like Higgs boson is on the most important constraints that a BSM model must fulfill. Already for some time the FlexibleSUSY spectrum generator generator allowed for a reliable prediction of masses and d...
1501.06560
Marco Peloso
Jason L. Evans, Tony Gherghetta, Marco Peloso
Affleck-Dine Sneutrino Inflation
5 pages, 1 figure
Phys. Rev. D 92, 021303 (2015)
10.1103/PhysRevD.92.021303
UMN-TH-3416/15, FTPI 15/1
hep-ph astro-ph.CO hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Motivated by the coincidence between the Hubble scale during inflation and the typical see-saw neutrino mass scale, we present a supergravity model where the inflaton is identified with a linear combination of right-handed sneutrino fields. The model accommodates an inflaton potential that is flatter than quadratic c...
[ { "created": "Mon, 26 Jan 2015 20:43:49 GMT", "version": "v1" } ]
2015-07-29
[ [ "Evans", "Jason L.", "" ], [ "Gherghetta", "Tony", "" ], [ "Peloso", "Marco", "" ] ]
Motivated by the coincidence between the Hubble scale during inflation and the typical see-saw neutrino mass scale, we present a supergravity model where the inflaton is identified with a linear combination of right-handed sneutrino fields. The model accommodates an inflaton potential that is flatter than quadratic cha...
1102.3489
Ru Peng
R Peng and C B Yang
$\pi$-$J/\psi$ Correlation and Elliptic Flow Parameter $v_2$ of Charmed Mesons at RHIC Energy
17 pages, 6 figures
Chin.Phys.C35:453-458,2011
10.1088/1674-1137/35/5/009
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the correlation between the trigger $\pi$ and the associated $J/\psi$ on near and away sides in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV. In the region of trigger momentum $p_t>4$ GeV/$c$, the $\pi$ spectrum is composed of thermal-shower and shower-shower recombinations in the frame work of the recombinat...
[ { "created": "Thu, 17 Feb 2011 03:50:03 GMT", "version": "v1" } ]
2011-05-18
[ [ "Peng", "R", "" ], [ "Yang", "C B", "" ] ]
We study the correlation between the trigger $\pi$ and the associated $J/\psi$ on near and away sides in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV. In the region of trigger momentum $p_t>4$ GeV/$c$, the $\pi$ spectrum is composed of thermal-shower and shower-shower recombinations in the frame work of the recombinatio...
1206.2413
Kazumasa Ohkuma
Zenro HIOKI (U. Tokushima), Kazumasa OHKUMA (Fukui U. Tech.)
Optimal-observable Analysis of Possible Non-standard Top-quark Couplings in pp -> t t-bar X -> l^+ X'
16 pages, 1 figure, Discussion of stabilities in estimating statistical errors and related one reference added. Final version (to appear in Phys. Lett. B)
null
10.1016/j.physletb.2012.08.035
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Possible non-standard top-quark interactions with the gluon and the W boson induced by SU(3) X SU(2) X U(1) gauge-invariant dimension-6 effective operators are studied for hadron-collider experiments. Current limits on top-gluon couplings are presented by using the latest experimental data of t t-bar productions at t...
[ { "created": "Tue, 12 Jun 2012 00:19:01 GMT", "version": "v1" }, { "created": "Mon, 20 Aug 2012 04:21:47 GMT", "version": "v2" } ]
2015-06-05
[ [ "HIOKI", "Zenro", "", "U. Tokushima" ], [ "OHKUMA", "Kazumasa", "", "Fukui U. Tech." ] ]
Possible non-standard top-quark interactions with the gluon and the W boson induced by SU(3) X SU(2) X U(1) gauge-invariant dimension-6 effective operators are studied for hadron-collider experiments. Current limits on top-gluon couplings are presented by using the latest experimental data of t t-bar productions at the...
hep-ph/0209105
Casalbuoni
R. Casalbuoni, F. De Fazio, R. Gatto, G. Nardulli and M. Ruggieri
Massive quark effects in two flavor color superconductors
Latex file. 14 pages, 2 figures. Some improvement in the presentation. 2 references added. Final version to be published in Physics Letters
Phys.Lett. B547 (2002) 229-238
10.1016/S0370-2693(02)02757-0
BARI-TH 444/02
hep-ph nucl-th
null
The high density effective theory formalism (HDET) is employed to describe high density QCD with two massive flavors (2SC). The gap equation is derived and explicitly solved for the gap parameter. The parameters associated to the pseudo Nambu-Goldstone boson of $U(1)_A$ are evaluated in the limit $\mu\to\infty$ and $...
[ { "created": "Tue, 10 Sep 2002 14:53:13 GMT", "version": "v1" }, { "created": "Fri, 4 Oct 2002 13:17:39 GMT", "version": "v2" } ]
2009-11-07
[ [ "Casalbuoni", "R.", "" ], [ "De Fazio", "F.", "" ], [ "Gatto", "R.", "" ], [ "Nardulli", "G.", "" ], [ "Ruggieri", "M.", "" ] ]
The high density effective theory formalism (HDET) is employed to describe high density QCD with two massive flavors (2SC). The gap equation is derived and explicitly solved for the gap parameter. The parameters associated to the pseudo Nambu-Goldstone boson of $U(1)_A$ are evaluated in the limit $\mu\to\infty$ and $m/...
2407.04670
Debashis Pachhar Mr.
P. S. Bhupal Dev, Srubabati Goswami, Chayan Majumdar, Debashis Pachhar
Neutrinoless Double Beta Decay from Scalar Leptoquarks: Interplay with Neutrino Mass and Flavor Physics
38 pages, 8 figures and 6 tables
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We perform a comprehensive analysis of neutrinoless double beta decay and its interplay with low-energy flavor observables in a radiative neutrino mass model with scalar leptoquarks $S_1(\bar{3},1,1/3)$ and $\widetilde{R}_2(3,2,1/6)$. We carve out the parameter region consistent with constraints from neutrino mass an...
[ { "created": "Fri, 5 Jul 2024 17:24:51 GMT", "version": "v1" } ]
2024-07-08
[ [ "Dev", "P. S. Bhupal", "" ], [ "Goswami", "Srubabati", "" ], [ "Majumdar", "Chayan", "" ], [ "Pachhar", "Debashis", "" ] ]
We perform a comprehensive analysis of neutrinoless double beta decay and its interplay with low-energy flavor observables in a radiative neutrino mass model with scalar leptoquarks $S_1(\bar{3},1,1/3)$ and $\widetilde{R}_2(3,2,1/6)$. We carve out the parameter region consistent with constraints from neutrino mass and ...
hep-ph/0703164
Christophe Grojean
G. F. Giudice, C. Grojean, A. Pomarol, R. Rattazzi
The Strongly-Interacting Light Higgs
45 pages, 1 figure. v2: references added
JHEP 0706:045,2007
10.1088/1126-6708/2007/06/045
CERN-PH-TH/2007-47
hep-ph hep-th
null
We develop a simple description of models where electroweak symmetry breaking is triggered by a light composite Higgs, which emerges from a strongly-interacting sector as a pseudo-Goldstone boson. Two parameters broadly characterize these models: m_rho, the mass scale of the new resonances and g_rho, their coupling. ...
[ { "created": "Thu, 15 Mar 2007 18:25:44 GMT", "version": "v1" }, { "created": "Tue, 19 Jun 2007 21:22:14 GMT", "version": "v2" } ]
2010-10-27
[ [ "Giudice", "G. F.", "" ], [ "Grojean", "C.", "" ], [ "Pomarol", "A.", "" ], [ "Rattazzi", "R.", "" ] ]
We develop a simple description of models where electroweak symmetry breaking is triggered by a light composite Higgs, which emerges from a strongly-interacting sector as a pseudo-Goldstone boson. Two parameters broadly characterize these models: m_rho, the mass scale of the new resonances and g_rho, their coupling. An...
1206.0067
Takahiro Yoshinaga
Motoi Endo and Takahiro Yoshinaga
Mass Insertion Formula for Chargino Contribution to \Delta B = 1 Wilson Coefficients and its Application to CP Asymmetries of B \to K\pi
null
Prog. Theor. Phys. 128 (2012), 1251-1268
10.1143/PTP.128.1251
UT-12-12
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The comprehensive mass insertion formula of the b \to s \bar q q transitions was provided for the chargino contributions. The method clarifies physics behind the calculations of the supersymmetric contributions to FCNCs. The result was applied to the analysis of the difference of the CP asymmetries of the B \to K\pi ...
[ { "created": "Fri, 1 Jun 2012 02:02:50 GMT", "version": "v1" }, { "created": "Fri, 10 Aug 2012 07:51:09 GMT", "version": "v2" } ]
2013-01-03
[ [ "Endo", "Motoi", "" ], [ "Yoshinaga", "Takahiro", "" ] ]
The comprehensive mass insertion formula of the b \to s \bar q q transitions was provided for the chargino contributions. The method clarifies physics behind the calculations of the supersymmetric contributions to FCNCs. The result was applied to the analysis of the difference of the CP asymmetries of the B \to K\pi de...
hep-ph/0605193
Matthew J. Strassler
Matthew J. Strassler and Kathryn M. Zurek (U.Washington)
Discovering the Higgs Through Highly-Displaced Vertices
v2, minor improvements/clarifications, one added reference
Phys.Lett.B661:263-267,2008
10.1016/j.physletb.2008.02.008
null
hep-ph
null
We suggest that the Higgs could be discovered at the Tevatron or the LHC (perhaps at the LHCb detector) through decays with one or more substantially displaced vertices from the decay of new neutral particles. This signal may occur with a small but measurable branching fraction in the recently-described ``hidden vall...
[ { "created": "Wed, 17 May 2006 18:09:44 GMT", "version": "v1" }, { "created": "Sat, 24 Jun 2006 03:37:53 GMT", "version": "v2" } ]
2008-11-26
[ [ "Strassler", "Matthew J.", "", "U.Washington" ], [ "Zurek", "Kathryn M.", "", "U.Washington" ] ]
We suggest that the Higgs could be discovered at the Tevatron or the LHC (perhaps at the LHCb detector) through decays with one or more substantially displaced vertices from the decay of new neutral particles. This signal may occur with a small but measurable branching fraction in the recently-described ``hidden valley...
hep-ph/0505249
Norbert Straumann
Norbert Straumann
From Primordial Quantum Fluctuations to the Anisotropies of the Cosmic Microwave Background Radiation
203 pages, 15 figures, Based on lectures given at the \textit{Physik-Combo}, in Halle, Leipzig and Jena, winter semester 2004/5. To appear in \emph{Ann. Phys. (Leipzig)
Annalen Phys. 15 (2006) 701-847
10.1002/andp.200610212
null
hep-ph astro-ph gr-qc
null
These lecture notes cover mainly three connected topics. In the first part we give a detailed treatment of cosmological perturbation theory. The second part is devoted to cosmological inflation and the generation of primordial fluctuations. In part three it will be shown how these initial perturbation evolve and prod...
[ { "created": "Mon, 30 May 2005 08:57:30 GMT", "version": "v1" }, { "created": "Fri, 10 Jun 2005 23:14:00 GMT", "version": "v2" }, { "created": "Sat, 22 Apr 2006 09:54:45 GMT", "version": "v3" } ]
2009-11-11
[ [ "Straumann", "Norbert", "" ] ]
These lecture notes cover mainly three connected topics. In the first part we give a detailed treatment of cosmological perturbation theory. The second part is devoted to cosmological inflation and the generation of primordial fluctuations. In part three it will be shown how these initial perturbation evolve and produc...
1212.4055
Norma Susana Mankoc Borstnik
Gregor Bregar, Norma Susana Mankoc Borstnik
Can we predict the fourth family masses for quarks and leptons?
23 pages, new title, substantially revised, to appear in the Proceedings to the 16th Bled Workshop "What Comes Beyond Standard Models", DMFA ZALOZNISTVO, December 2013, Vol. 14, No. 2
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the spin-charge-family theory four massless families of quarks and leptons before the electroweak break are predicted. Mass matrices of all the family members demonstrate in this proposal the same symmetry, determined by the family groups. There are scalar fields - two $SU(2)$ triplets, the gauge fields of the fam...
[ { "created": "Mon, 17 Dec 2012 16:26:52 GMT", "version": "v1" }, { "created": "Thu, 5 Dec 2013 13:02:20 GMT", "version": "v2" } ]
2013-12-06
[ [ "Bregar", "Gregor", "" ], [ "Borstnik", "Norma Susana Mankoc", "" ] ]
In the spin-charge-family theory four massless families of quarks and leptons before the electroweak break are predicted. Mass matrices of all the family members demonstrate in this proposal the same symmetry, determined by the family groups. There are scalar fields - two $SU(2)$ triplets, the gauge fields of the famil...
0711.1030
Thorsten Renk
Thorsten Renk
Can one extract energy loss probability distributions from R_AA?
4 pages, 3 figures
Phys.Rev.C77:017901,2008
10.1103/PhysRevC.77.017901
null
hep-ph
null
The nuclear suppression of high transverse momentum P_T hadrons is one of the most striking findings in heavy-ion collision experiments. It has long been recognized that the suppression can be theoretically described by folding the primary parton spectrum with an energy loss probability distribution which is suitably...
[ { "created": "Wed, 7 Nov 2007 08:22:37 GMT", "version": "v1" } ]
2008-11-26
[ [ "Renk", "Thorsten", "" ] ]
The nuclear suppression of high transverse momentum P_T hadrons is one of the most striking findings in heavy-ion collision experiments. It has long been recognized that the suppression can be theoretically described by folding the primary parton spectrum with an energy loss probability distribution which is suitably a...
0904.4215
Marcelo Loewe
C. A. Dominguez, J. I. Jottar, M. Loewe, B. Willers
Electromagnetic and Scalar Pion form factor in the Kroll-Lee-Zumino model
four pages, two figures
Nucl.Phys.Proc.Suppl.186:141-144,2009
10.1016/j.nuclphysbps.2008.12.033
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The renormalizable Abelian quantum field theory model of Kroll, Lee, and Zumino is used at the one loop level to compute vertex corrections to the tree-level, Vector Meson Dominance (VMD) electromagnetic pion form factor. These corrections, together with the one-loop vacuum polarization contribution, imply a resultin...
[ { "created": "Mon, 27 Apr 2009 17:07:15 GMT", "version": "v1" } ]
2010-11-11
[ [ "Dominguez", "C. A.", "" ], [ "Jottar", "J. I.", "" ], [ "Loewe", "M.", "" ], [ "Willers", "B.", "" ] ]
The renormalizable Abelian quantum field theory model of Kroll, Lee, and Zumino is used at the one loop level to compute vertex corrections to the tree-level, Vector Meson Dominance (VMD) electromagnetic pion form factor. These corrections, together with the one-loop vacuum polarization contribution, imply a resulting ...
hep-ph/0308245
Andrzej Bialas
A.Bialas
Balance functions in coalescence model
12 pages, 1 figure
Phys.Lett. B579 (2004) 31-38
10.1016/j.physletb.2003.10.106
null
hep-ph
null
It is shown that the quark-antiquark coalescence mechanism for pion production allows to explain the small width of the balance function observed for central collisions of heavy ions, provided effects of the finite acceptance region and of the transverse flow are taken into account. In contrast, the standard hadronic...
[ { "created": "Mon, 25 Aug 2003 09:22:20 GMT", "version": "v1" }, { "created": "Tue, 21 Oct 2003 10:05:02 GMT", "version": "v2" } ]
2015-06-25
[ [ "Bialas", "A.", "" ] ]
It is shown that the quark-antiquark coalescence mechanism for pion production allows to explain the small width of the balance function observed for central collisions of heavy ions, provided effects of the finite acceptance region and of the transverse flow are taken into account. In contrast, the standard hadronic c...
1203.0312
Christoph Englert
Christoph Englert, Michael Spannowsky, David Stancato, John Terning
Unconstraining the Unhiggs
19 pages, 10 figures; typos corrected, version published by PRD
null
10.1103/PhysRevD.85.095003
IPPP/12/08; DCPT/12/16
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate whether or not perturbative unitarity is preserved in the Unhiggs model for the scattering process of heavy quarks and longitudinal gauge bosons $\bar q q \to V_L^+ V_L^-$. With the Yukawa coupling given in the original formulation of the Unhiggs model, the model preserves unitarity for Unhiggs scaling...
[ { "created": "Thu, 1 Mar 2012 21:03:28 GMT", "version": "v1" }, { "created": "Mon, 14 May 2012 09:07:21 GMT", "version": "v2" } ]
2015-06-04
[ [ "Englert", "Christoph", "" ], [ "Spannowsky", "Michael", "" ], [ "Stancato", "David", "" ], [ "Terning", "John", "" ] ]
We investigate whether or not perturbative unitarity is preserved in the Unhiggs model for the scattering process of heavy quarks and longitudinal gauge bosons $\bar q q \to V_L^+ V_L^-$. With the Yukawa coupling given in the original formulation of the Unhiggs model, the model preserves unitarity for Unhiggs scaling d...
1503.08899
Wei-Min Yang
Wei-Min Yang
A Model of Asymmetric Hadronic Dark Matter and Leptogenesis
13 pages, no figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The paper suggests a model to account for the common origins of the asymmetric dark matter (ADM) and matter-antimatter asymmetry. The ADM nature is a stable hadronic particle consisting of a heavy color scalar and a light $u$ quark, which is formed after the QCD phase transition. At the early stage the ADM are in the...
[ { "created": "Tue, 31 Mar 2015 03:40:51 GMT", "version": "v1" } ]
2015-04-01
[ [ "Yang", "Wei-Min", "" ] ]
The paper suggests a model to account for the common origins of the asymmetric dark matter (ADM) and matter-antimatter asymmetry. The ADM nature is a stable hadronic particle consisting of a heavy color scalar and a light $u$ quark, which is formed after the QCD phase transition. At the early stage the ADM are in therm...
1202.6288
Fernando Iguaz\'u Ram\'irez Zavaleta
J. I. Aranda (FCFM-UMSNH), J. Montano (CINVESTAV), F. Ramirez-Zavaleta (FCFM-UMSNH), J. J. Toscano (FCFM-BUAP) and E. S. Tututi (FCFM-UMSNH)
Study of the lepton flavor-violating $Z'\to\tau\mu$ decay
Revised version
null
10.1103/PhysRevD.86.035008
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The lepton flavor violating $Z^{\prime}\to\tau\mu$ decay is studied in the context of several extended models that predict the existence of the new gauge boson named $Z^\prime$. A calculation of the strength of the lepton flavor violating $Z^\prime\mu\tau$ coupling is presented by using the most general renormalizabl...
[ { "created": "Tue, 28 Feb 2012 17:09:38 GMT", "version": "v1" }, { "created": "Thu, 28 Jun 2012 12:16:42 GMT", "version": "v2" } ]
2015-06-04
[ [ "Aranda", "J. I.", "", "FCFM-UMSNH" ], [ "Montano", "J.", "", "CINVESTAV" ], [ "Ramirez-Zavaleta", "F.", "", "FCFM-UMSNH" ], [ "Toscano", "J. J.", "", "FCFM-BUAP" ], [ "Tututi", "E. S.", "", "FCFM-UMSNH" ] ]
The lepton flavor violating $Z^{\prime}\to\tau\mu$ decay is studied in the context of several extended models that predict the existence of the new gauge boson named $Z^\prime$. A calculation of the strength of the lepton flavor violating $Z^\prime\mu\tau$ coupling is presented by using the most general renormalizable ...
0706.0031
Jonathan Roberts
J. P. Roberts
Natural SUSY Dark Matter: A Window on the GUT Scale
6 pages, 3 figures, talk given at Rencontres de Moriond, Electroweak interactions and Unified theories
null
null
null
hep-ph
null
One of the key motivations for supersymmetry is that it provides a natural candidate for dark matter. For a long time the density of this candidate particle fell within cosmological bounds across much of the SUSY parameter space. However with the precision results of WMAP, it has become apparent that the majority of ...
[ { "created": "Thu, 31 May 2007 22:41:47 GMT", "version": "v1" } ]
2007-06-04
[ [ "Roberts", "J. P.", "" ] ]
One of the key motivations for supersymmetry is that it provides a natural candidate for dark matter. For a long time the density of this candidate particle fell within cosmological bounds across much of the SUSY parameter space. However with the precision results of WMAP, it has become apparent that the majority of th...
2112.13536
Hajime Fukuda
Hajime Fukuda and Satoshi Shirai
On the Detection of QCD Axion Dark Matter by Coherent Scattering
22 pages
null
10.1103/PhysRevD.105.095030
IPMU21-0089
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The QCD axion is a promising candidate of the dark matter. In this paper, we discuss elastic scattering processes between nucleons and the QCD axion dark matter. We point out that the cross section can be enhanced by more than $\mathcal{O}(10^{25})$ by the coherent effect, compared to classical processes. As a result...
[ { "created": "Mon, 27 Dec 2021 06:33:30 GMT", "version": "v1" } ]
2022-06-01
[ [ "Fukuda", "Hajime", "" ], [ "Shirai", "Satoshi", "" ] ]
The QCD axion is a promising candidate of the dark matter. In this paper, we discuss elastic scattering processes between nucleons and the QCD axion dark matter. We point out that the cross section can be enhanced by more than $\mathcal{O}(10^{25})$ by the coherent effect, compared to classical processes. As a result, ...
1511.07416
Alexander Isayev
A. A. Isayev
Anisotropic pressure in the quark core of a strongly magnetized hybrid star
5 pages, 3 figures
null
10.1088/1742-6596/607/1/012013
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The impact of a strong magnetic field, varying with the total baryon number density, on thermodynamic properties of strange quark matter (SQM) in the core of a magnetized hybrid star is considered at zero temperature within the framework of the Massachusetts Institute of Technology (MIT) bag model. It is clarified th...
[ { "created": "Mon, 23 Nov 2015 20:52:36 GMT", "version": "v1" } ]
2015-11-24
[ [ "Isayev", "A. A.", "" ] ]
The impact of a strong magnetic field, varying with the total baryon number density, on thermodynamic properties of strange quark matter (SQM) in the core of a magnetized hybrid star is considered at zero temperature within the framework of the Massachusetts Institute of Technology (MIT) bag model. It is clarified that...
2403.13676
Cyrin Neeraj
Jai Bardhan, Tanumoy Mandal, Subhadip Mitra, Cyrin Neeraj, Monalisa Patra
Unsupervised and lightly supervised learning in particle physics
45 pages, 18 figures, 2 tables. Expanded version with updated references
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review the main applications of machine learning models that are not fully supervised in particle physics, i.e., clustering, anomaly detection, detector simulation, and unfolding. Unsupervised methods are ideal for anomaly detection tasks -- machine learning models can be trained on background data to identify dev...
[ { "created": "Wed, 20 Mar 2024 15:34:33 GMT", "version": "v1" }, { "created": "Wed, 27 Mar 2024 17:03:20 GMT", "version": "v2" } ]
2024-03-28
[ [ "Bardhan", "Jai", "" ], [ "Mandal", "Tanumoy", "" ], [ "Mitra", "Subhadip", "" ], [ "Neeraj", "Cyrin", "" ], [ "Patra", "Monalisa", "" ] ]
We review the main applications of machine learning models that are not fully supervised in particle physics, i.e., clustering, anomaly detection, detector simulation, and unfolding. Unsupervised methods are ideal for anomaly detection tasks -- machine learning models can be trained on background data to identify devia...
2403.15533
Niko Koivunen
Niko Koivunen, Oleg Lebedev, Martti Raidal
Probing sterile neutrino freeze-in at stronger coupling
15 pages, 4 figures, formulas corrected
null
null
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
The regime of dark matter (DM) freeze-in at stronger coupling interpolates between freeze-in and freeze-out. It relies on Boltzmann-suppressed dark matter production, implying that the Standard Model bath temperature never exceeds the dark matter mass. In this work, we study this regime in the context of sterile neut...
[ { "created": "Fri, 22 Mar 2024 18:00:00 GMT", "version": "v1" }, { "created": "Mon, 8 Apr 2024 15:41:52 GMT", "version": "v2" } ]
2024-04-09
[ [ "Koivunen", "Niko", "" ], [ "Lebedev", "Oleg", "" ], [ "Raidal", "Martti", "" ] ]
The regime of dark matter (DM) freeze-in at stronger coupling interpolates between freeze-in and freeze-out. It relies on Boltzmann-suppressed dark matter production, implying that the Standard Model bath temperature never exceeds the dark matter mass. In this work, we study this regime in the context of sterile neutri...
1104.1750
Masaki Jung Soo Yang
Masaki Jung Soo Yang
Mass Spectrum Dependence of Higgs-mediated mu-e Transition in the MSSM
19 pages, 8 figures, it will appear in PRD
Phys.Rev.D84:033011,2011
10.1103/PhysRevD.84.033011
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we study non-decoupling $\mu$ - $e$ transition effects by Higgs-mediated contribution in the MSSM, when some SUSY mass parameters are much greater than TeV. In order to treat CP-odd Higgs mass $m_{A^{0}}$ as a free parameter, we consider the non-universal Higgs mass model (NUHM), and assume the only le...
[ { "created": "Sun, 10 Apr 2011 06:40:27 GMT", "version": "v1" }, { "created": "Tue, 30 Aug 2011 19:30:26 GMT", "version": "v2" } ]
2015-03-19
[ [ "Yang", "Masaki Jung Soo", "" ] ]
In this paper, we study non-decoupling $\mu$ - $e$ transition effects by Higgs-mediated contribution in the MSSM, when some SUSY mass parameters are much greater than TeV. In order to treat CP-odd Higgs mass $m_{A^{0}}$ as a free parameter, we consider the non-universal Higgs mass model (NUHM), and assume the only left...
0906.0323
Anatoly Radyushkin
A.V. Radyushkin
Shape of Pion Distribution Amplitude
References added, typos fixed, one figure added, some minor changes in text
Phys.Rev.D80:094009,2009
10.1103/PhysRevD.80.094009
JLAB-THY-09-999
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A scenario is investigated in which the leading-twist pion distribution amplitude phi_pi (x) is approximated by the pion decay constant f_pi for all essential values of the light-cone fraction x. A model for the light-front wave function Psi(x,k_perp) is proposed that produces such a distribution amplitude and has a ...
[ { "created": "Mon, 1 Jun 2009 19:48:28 GMT", "version": "v1" }, { "created": "Thu, 18 Jun 2009 17:50:29 GMT", "version": "v2" } ]
2014-11-20
[ [ "Radyushkin", "A. V.", "" ] ]
A scenario is investigated in which the leading-twist pion distribution amplitude phi_pi (x) is approximated by the pion decay constant f_pi for all essential values of the light-cone fraction x. A model for the light-front wave function Psi(x,k_perp) is proposed that produces such a distribution amplitude and has a ra...
2109.07538
Jes\'us Alejandro Miranda Hern\'andez
J. A. Miranda
Isospin-breaking corrections to $\tau^- \to \pi^- \pi^0 \nu_\tau$ decays and the muon $g-2$
Contribution to the Proceedings for 10th International Workshop on Charm Physics (CHARM 2020), May 31-June 5 2021, Mexico City, Mexico
PoS(CHARM2020)043
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We review the isospin-breaking and electromagnetic corrections to the $\tau^- \to \pi^- \pi^0 \nu_\tau$ decays, which are used as an input to the two-pion contributions to the hadronic vacuum polarization (at LO) of the anomalous magnetic moment ($a_\mu$). We extend previous analyses by Cirigliano et al. working with...
[ { "created": "Wed, 15 Sep 2021 19:08:50 GMT", "version": "v1" } ]
2021-09-17
[ [ "Miranda", "J. A.", "" ] ]
We review the isospin-breaking and electromagnetic corrections to the $\tau^- \to \pi^- \pi^0 \nu_\tau$ decays, which are used as an input to the two-pion contributions to the hadronic vacuum polarization (at LO) of the anomalous magnetic moment ($a_\mu$). We extend previous analyses by Cirigliano et al. working with C...
1711.07252
Sergey Koshkarev
Sergey Koshkarev, Stefan Groote
Signals of the double intrinsic heavy quark at the current experiments
5 pages, 4 figures. Contribution to the proceedings of the XVII Workshop on High Energy Spin Physics DSPIN-17, September 11-15, Dubna (Russia)
Journal of Physics: Conference Series 938 (2018) 012054
10.1088/1742-6596/938/1/012054
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we review existing data and analyze experimental opportunities for modern experiments to investigate the signals of intrinsic heavy quarks.
[ { "created": "Mon, 20 Nov 2017 10:59:55 GMT", "version": "v1" } ]
2018-01-09
[ [ "Koshkarev", "Sergey", "" ], [ "Groote", "Stefan", "" ] ]
In this paper we review existing data and analyze experimental opportunities for modern experiments to investigate the signals of intrinsic heavy quarks.
hep-ph/9710215
null
A. A. Pankov and N. Paver
Model independent analysis of the trilinear gauge boson couplings at LC: role of polarized cross sections
8 pages, latex, no figures; contribution to the Workshop on ``$e^+e^-$ collisions at TeV energies: The physics potential'', DESY 97-123E
null
null
null
hep-ph
null
By means of a model-independent analysis, we discuss the constraints on anomalous trilinear gauge-boson couplings that can be obtained from the study of electron-positron annihilation into $W$ pairs at LC with \sqrt{s}=0.5 TeV and 1 TeV. We consider the general CP conserving anomalous effective Lagrangian, as well as...
[ { "created": "Wed, 1 Oct 1997 18:30:54 GMT", "version": "v1" } ]
2007-05-23
[ [ "Pankov", "A. A.", "" ], [ "Paver", "N.", "" ] ]
By means of a model-independent analysis, we discuss the constraints on anomalous trilinear gauge-boson couplings that can be obtained from the study of electron-positron annihilation into $W$ pairs at LC with \sqrt{s}=0.5 TeV and 1 TeV. We consider the general CP conserving anomalous effective Lagrangian, as well as s...
hep-ph/0003172
Fabio Finelli
F. Finelli (Purdue U. & Bologna U. & INFN, Bologna), R. Brandenberger (Brown U.)
Parametric Amplification of Metric Fluctuations During Reheating in Two Field Models
13 pages, 10 figures
Phys.Rev.D62:083502,2000
10.1103/PhysRevD.62.083502
BROWN-HET-1213, PURD-TH-00-04
hep-ph astro-ph gr-qc hep-th
null
We study the parametric amplification of super-Hubble-scale scalar metric fluctuations at the end of inflation in some specific two-field models of inflation, a class of which is motivated by hybrid inflation. We demonstrate that there can indeed be a large growth of fluctuations due to parametric resonance and that ...
[ { "created": "Fri, 17 Mar 2000 00:00:17 GMT", "version": "v1" } ]
2010-04-06
[ [ "Finelli", "F.", "", "Purdue U. & Bologna U. & INFN, Bologna" ], [ "Brandenberger", "R.", "", "Brown U." ] ]
We study the parametric amplification of super-Hubble-scale scalar metric fluctuations at the end of inflation in some specific two-field models of inflation, a class of which is motivated by hybrid inflation. We demonstrate that there can indeed be a large growth of fluctuations due to parametric resonance and that th...
1306.4169
Erike Cazaroto Ph.D.
E.R. Cazaroto, V.P. Goncalves and F.S. Navarra
Heavy quark production and gluon saturation in double parton scattering at LHC
8 pages, 11 figures
null
10.1103/PhysRevD.88.034005
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The production of $c\bar{c}c\bar{c}$, $b\bar{b}b\bar{b}$ and $c\bar{c}b\bar{b}$ pairs considering double parton scattering at LHC energies is investigated. We estimate the contribution of saturation effects to the different final states and predict the energy dependence of the cross sections. Moreover, we estimate th...
[ { "created": "Tue, 18 Jun 2013 12:59:27 GMT", "version": "v1" } ]
2015-06-16
[ [ "Cazaroto", "E. R.", "" ], [ "Goncalves", "V. P.", "" ], [ "Navarra", "F. S.", "" ] ]
The production of $c\bar{c}c\bar{c}$, $b\bar{b}b\bar{b}$ and $c\bar{c}b\bar{b}$ pairs considering double parton scattering at LHC energies is investigated. We estimate the contribution of saturation effects to the different final states and predict the energy dependence of the cross sections. Moreover, we estimate the ...
hep-ph/0302036
Sandor D. Katz
Z. Fodor
Clustering, GUT scale and neutrino masses from ultrahigh energy cosmic rays
13 pages, 8 figures, invited talk presented at the 26th Johns Hopkins Workshop on Particle Physics, August 2003, Heidelberg, Germany
null
null
null
hep-ph
null
The origin of highest energy cosmic rays (UHECR) is yet unknown. In order to understand their propagation we determine the probability that an ultrahigh energy (above 5\cdot 10^{19} eV) proton created at a distance r with energy E arrives at earth above a threshold E_c. The clustering of ultrahigh energy cosmic rays ...
[ { "created": "Wed, 5 Feb 2003 15:57:42 GMT", "version": "v1" } ]
2007-05-23
[ [ "Fodor", "Z.", "" ] ]
The origin of highest energy cosmic rays (UHECR) is yet unknown. In order to understand their propagation we determine the probability that an ultrahigh energy (above 5\cdot 10^{19} eV) proton created at a distance r with energy E arrives at earth above a threshold E_c. The clustering of ultrahigh energy cosmic rays su...
hep-ph/0206284
O. Nachtmann
O. Nachtmann
Effective field theory approach to structure functions at small x
41 pages, 5 figures
Eur.Phys.J.C26:579-596,2003
10.1140/epjc/s2002-01063-8
HD-THEP-2001-44
hep-ph
null
We relate the structure functions of deep inelastic lepton-nucleon scattering to current-current correlation functions in a Euclidean field theory depending on a parameter r. The r-dependent Hamiltonian of the theory is P0-(1-r)P3, with P0 the usual Hamiltonian and P3 the third component of the momentum operator. We ...
[ { "created": "Thu, 27 Jun 2002 10:53:37 GMT", "version": "v1" } ]
2008-11-26
[ [ "Nachtmann", "O.", "" ] ]
We relate the structure functions of deep inelastic lepton-nucleon scattering to current-current correlation functions in a Euclidean field theory depending on a parameter r. The r-dependent Hamiltonian of the theory is P0-(1-r)P3, with P0 the usual Hamiltonian and P3 the third component of the momentum operator. We sh...
2201.02315
Man Ho Chan
Man Ho Chan and Chak Man Lee
Constraining dark matter-nucleon scattering cross section by the background electron anti-neutrino flux data
Accepted for publication in Physics Letters B
Phys. Lett. B 825, 136887 (2022)
10.1016/j.physletb.2022.136887
null
hep-ph astro-ph.EP astro-ph.HE
http://creativecommons.org/licenses/by/4.0/
Celestial objects such as stars and planets might be able to capture a large amount of dark matter particles through dark matter-nucleon scattering. Many previous studies have considered different celestial objects such as the Sun and the Earth as natural dark matter detectors and obtained some stringent bounds of th...
[ { "created": "Fri, 7 Jan 2022 03:42:24 GMT", "version": "v1" } ]
2022-03-30
[ [ "Chan", "Man Ho", "" ], [ "Lee", "Chak Man", "" ] ]
Celestial objects such as stars and planets might be able to capture a large amount of dark matter particles through dark matter-nucleon scattering. Many previous studies have considered different celestial objects such as the Sun and the Earth as natural dark matter detectors and obtained some stringent bounds of the ...
hep-ph/9910254
Mark G. Alford
M. Alford (MIT), J. Berges (MIT), K. Rajagopal (MIT)
Magnetic fields within color superconducting neutron star cores
22 pages, LaTeX with 2 eps figures; typos corrected, references added
Nucl.Phys.B571:269-284,2000
10.1016/S0550-3213(99)00830-5
MIT-CTP-2906
hep-ph astro-ph
null
We discuss the Meissner effect for a color superconductor formed by cold dense quark matter. Though color and ordinary electromagnetism are broken in a color superconductor, there is a linear combination of the photon and a gluon that remains massless. Consequently, a color superconducting region may be penetrated by...
[ { "created": "Wed, 6 Oct 1999 19:35:31 GMT", "version": "v1" }, { "created": "Tue, 19 Oct 1999 21:42:15 GMT", "version": "v2" } ]
2010-02-04
[ [ "Alford", "M.", "", "MIT" ], [ "Berges", "J.", "", "MIT" ], [ "Rajagopal", "K.", "", "MIT" ] ]
We discuss the Meissner effect for a color superconductor formed by cold dense quark matter. Though color and ordinary electromagnetism are broken in a color superconductor, there is a linear combination of the photon and a gluon that remains massless. Consequently, a color superconducting region may be penetrated by a...
hep-ph/0611133
Kirill Tuchin
Dmitri Kharzeev and Kirill Tuchin
Vacuum self-focussing of very intense laser beams
8 pages, 2 figures; discussion expanded
Phys.Rev.A75:043807,2007
10.1103/PhysRevA.75.043807
BNL-NT-06/43, RBRC-657
hep-ph
null
We argue that long-range photon-photon attraction induced by the dipole interaction of two electron-positron loops can lead to "vacuum self-focussing" of very intense laser beams. The focussing angle theta(F) is found to increase with the beam intensity I as theta(F) I^(4/3); for the laser beams available at present ...
[ { "created": "Thu, 9 Nov 2006 22:50:15 GMT", "version": "v1" }, { "created": "Wed, 21 Feb 2007 19:55:38 GMT", "version": "v2" } ]
2008-11-26
[ [ "Kharzeev", "Dmitri", "" ], [ "Tuchin", "Kirill", "" ] ]
We argue that long-range photon-photon attraction induced by the dipole interaction of two electron-positron loops can lead to "vacuum self-focussing" of very intense laser beams. The focussing angle theta(F) is found to increase with the beam intensity I as theta(F) I^(4/3); for the laser beams available at present or...
2309.15446
Pablo Mart\'inez-Mirav\'e
Pablo Mart\'inez-Mirav\'e
Neutrino properties from the laboratory and the cosmos
PhD thesis: https://roderic.uv.es/handle/10550/89441
null
null
null
hep-ph astro-ph.CO hep-ex
http://creativecommons.org/licenses/by/4.0/
Neutrinos are amongst the most abundant particles in the universe. The fact that they are massive particles proves that the Standard Model is an incomplete theory and needs to be extended. This thesis focuses on the study of neutrino properties from the available data from laboratory experiments and cosmological obse...
[ { "created": "Wed, 27 Sep 2023 07:20:19 GMT", "version": "v1" } ]
2023-09-28
[ [ "Martínez-Miravé", "Pablo", "" ] ]
Neutrinos are amongst the most abundant particles in the universe. The fact that they are massive particles proves that the Standard Model is an incomplete theory and needs to be extended. This thesis focuses on the study of neutrino properties from the available data from laboratory experiments and cosmological observ...
hep-ph/9402330
null
K Golec-Biernat
Gluons from logarithmic slopes of $F_{2}$ in the NLL approximation
5 pages+(3 figures append as PS file), INP Report 1666/PH (1994)
Phys.Lett.B328:495-498,1994
10.1016/0370-2693(94)91509-1
null
hep-ph
null
We make a critical, next-to-leading order, study of the accuracy of the Prytz relation, which is frequently used to extract the gluon distribution at small $x$ from the logarithmic slopes of the structure function $F_{2}$. We find that the simple relation is not generally valid in the Hera regime, but show that it is...
[ { "created": "Mon, 21 Feb 1994 13:20:00 GMT", "version": "v1" } ]
2009-09-25
[ [ "Golec-Biernat", "K", "" ] ]
We make a critical, next-to-leading order, study of the accuracy of the Prytz relation, which is frequently used to extract the gluon distribution at small $x$ from the logarithmic slopes of the structure function $F_{2}$. We find that the simple relation is not generally valid in the Hera regime, but show that it is a...
0705.2532
Pranav Saxena
Pranav Saxena (Rajasthan University), Prachi Parashar (Oklahoma University), N.K. Sharma, Ashok K. Nagawat, Sardar Singh (Rajasthan University)
Signatures of Heavy Z-prime in the Extra U(1) Superstring Inspired Model: RGEs Analysis
Total 76 pages including 19 Figures and 6 Tables
null
null
thepuor/2007/001
hep-ph
null
In the extra U(1) superstring inspired model, we examine the electroweak and U(1)-prime symmetry breaking with the singlet and exotic quark D, D+{\c}along with the study of heavy Z-prime boson in accordance with the top quark mass region. For this, we have done the analysis of complete renormalization group equations...
[ { "created": "Thu, 17 May 2007 14:11:22 GMT", "version": "v1" }, { "created": "Fri, 18 May 2007 06:07:49 GMT", "version": "v2" }, { "created": "Mon, 21 May 2007 11:22:02 GMT", "version": "v3" } ]
2007-05-23
[ [ "Saxena", "Pranav", "", "Rajasthan University" ], [ "Parashar", "Prachi", "", "Oklahoma\n University" ], [ "Sharma", "N. K.", "", "Rajasthan\n University" ], [ "Nagawat", "Ashok K.", "", "Rajasthan\n University" ], [ "Singh", ...
In the extra U(1) superstring inspired model, we examine the electroweak and U(1)-prime symmetry breaking with the singlet and exotic quark D, D+{\c}along with the study of heavy Z-prime boson in accordance with the top quark mass region. For this, we have done the analysis of complete renormalization group equations (...
0907.4112
Aaron Pierce
Sunghoon Jung, Hitoshi Murayama, Aaron Pierce, James D. Wells
Top quark forward-backward asymmetry from new t-channel physics
5 pages, 4 figures
Phys.Rev.D81:015004,2010
10.1103/PhysRevD.81.015004
MCTP/09-35, CERN-PH-TH/2009-128, IPMU09-008
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Motivated by recent measurements of the top quark forward-backward asymmetry at the Tevatron, we study how t-channel new physics can contribute to a large value. We concentrate on a theory with an abelian gauge boson possessing flavor changing couplings between up and top quarks, but satisfies flavor physics constrai...
[ { "created": "Thu, 23 Jul 2009 16:22:58 GMT", "version": "v1" } ]
2010-04-06
[ [ "Jung", "Sunghoon", "" ], [ "Murayama", "Hitoshi", "" ], [ "Pierce", "Aaron", "" ], [ "Wells", "James D.", "" ] ]
Motivated by recent measurements of the top quark forward-backward asymmetry at the Tevatron, we study how t-channel new physics can contribute to a large value. We concentrate on a theory with an abelian gauge boson possessing flavor changing couplings between up and top quarks, but satisfies flavor physics constraint...
1605.02013
Muhammad Rehman
Muhammad Rehman
Flavor Mixing Phenomenology in Supersymmetric Models
PhD thesis
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This dissertation investigates the flavor mixing effects in supersymmetric models on electroweak precision observables, Higgs boson mass predictions, B-physics observables, quark flavor violating Higgs decays, lepton flavor violating charged lepton decays and lepton flavor violating Higgs decays. The flavor mixing ef...
[ { "created": "Fri, 6 May 2016 17:49:41 GMT", "version": "v1" } ]
2016-05-09
[ [ "Rehman", "Muhammad", "" ] ]
This dissertation investigates the flavor mixing effects in supersymmetric models on electroweak precision observables, Higgs boson mass predictions, B-physics observables, quark flavor violating Higgs decays, lepton flavor violating charged lepton decays and lepton flavor violating Higgs decays. The flavor mixing effe...
hep-ph/9708462
Hubert Spiesberger
D. Schildknecht (Univ. Bielefeld)
On e+e- to W+W- at LEP2
9 pages, Latex, 2 postscript figures included
null
null
BI-TP 97/31
hep-ph
null
We briefly discuss the first direct experimental evidence from LEP2 on non-vanishing trilinear couplings among the weak vector bosons. Subsequently we review the improved Born approximation to include radiative corrections. Provided the appropriate high-energy scale is used for the SU(2) gauge-coupling, the improved ...
[ { "created": "Tue, 26 Aug 1997 12:11:58 GMT", "version": "v1" } ]
2007-05-23
[ [ "Schildknecht", "D.", "", "Univ. Bielefeld" ] ]
We briefly discuss the first direct experimental evidence from LEP2 on non-vanishing trilinear couplings among the weak vector bosons. Subsequently we review the improved Born approximation to include radiative corrections. Provided the appropriate high-energy scale is used for the SU(2) gauge-coupling, the improved Bo...
1409.8001
Kenji Morita
Kenji Morita, Krzysztof Redlich
Momentum scale dependence of the net quark number fluctuations near chiral crossover
15 pages, 8 figures. To appear in Prog. Theor. Exp. Phys
null
10.1093/ptep/ptv047
YITP-14-72
hep-ph nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate properties of the net baryon number fluctuations near chiral crossover in a hot and dense medium of strongly interacting quarks. The chirally invariant quark-antiquark interactions are modeled by an effective quark-meson Lagrangian. To preserve remnants of criticality in the O(4) universality class, we...
[ { "created": "Mon, 29 Sep 2014 05:52:31 GMT", "version": "v1" }, { "created": "Mon, 1 Dec 2014 03:01:33 GMT", "version": "v2" }, { "created": "Wed, 11 Mar 2015 07:29:09 GMT", "version": "v3" } ]
2015-04-29
[ [ "Morita", "Kenji", "" ], [ "Redlich", "Krzysztof", "" ] ]
We investigate properties of the net baryon number fluctuations near chiral crossover in a hot and dense medium of strongly interacting quarks. The chirally invariant quark-antiquark interactions are modeled by an effective quark-meson Lagrangian. To preserve remnants of criticality in the O(4) universality class, we a...
0808.1894
Vladimir Sauli
Vladimir Sauli
Higgsonium in singlet extension of Standard Model
13pp, new unexpected result for near threshold Higgsonia added, conclusion changed
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A possible formation of bound state is predicted in the Standard Model extension with with additional scalar singlet. A suitable method of solution of the Bethe-Salpeter equation for a Higgsonium bound state is proposed. With the help of an integral representation the results are directly obtained in Minkowski space....
[ { "created": "Wed, 13 Aug 2008 20:22:19 GMT", "version": "v1" }, { "created": "Fri, 18 Sep 2009 17:13:06 GMT", "version": "v2" } ]
2009-09-18
[ [ "Sauli", "Vladimir", "" ] ]
A possible formation of bound state is predicted in the Standard Model extension with with additional scalar singlet. A suitable method of solution of the Bethe-Salpeter equation for a Higgsonium bound state is proposed. With the help of an integral representation the results are directly obtained in Minkowski space. T...
2406.03108
Xing-Xing Dong
Jia-Peng Huo, Xing-Xing Dong, Jiao Ma, Shu-Min Zhao, Cai Guo, Hai-Bin Zhang, Jin-Lei Yang, Tai-Fu Feng
Lepton flavor violating decays $Z\rightarrow l^{\pm}_{i}l^{\mp}_{j}$ in the B-L Supersymmetric Standard Model
null
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Lepton flavor violation (LFV) represents a clear new physics (NP) signal beyond the standard model (SM). In this paper, we study LFV decays $Z\rightarrow l^{\pm}_{i}l^{\mp}_{j}$ in the B-L Supersymmetric Standard Model(B-LSSM). We calculate these processes separately in the mass eigenstate basis and the electroweak i...
[ { "created": "Wed, 5 Jun 2024 09:56:42 GMT", "version": "v1" } ]
2024-06-06
[ [ "Huo", "Jia-Peng", "" ], [ "Dong", "Xing-Xing", "" ], [ "Ma", "Jiao", "" ], [ "Zhao", "Shu-Min", "" ], [ "Guo", "Cai", "" ], [ "Zhang", "Hai-Bin", "" ], [ "Yang", "Jin-Lei", "" ], [ "Feng", "Tai...
Lepton flavor violation (LFV) represents a clear new physics (NP) signal beyond the standard model (SM). In this paper, we study LFV decays $Z\rightarrow l^{\pm}_{i}l^{\mp}_{j}$ in the B-L Supersymmetric Standard Model(B-LSSM). We calculate these processes separately in the mass eigenstate basis and the electroweak int...
hep-ph/0312262
Keith Olive
John Ellis, Keith A. Olive, Yudi Santoso, and Vassilis Spanos
Gravitino Dark Matter in the CMSSM
15 pages, 12 figures, reference added
Phys.Lett.B588:7-16,2004
10.1016/j.physletb.2004.03.021
CERN-TH/2003-310, UMN-TH-2225/03, FTPI-MINN-03/37
hep-ph
null
We consider the possibility that the gravitino might be the lightest supersymmetric particle (LSP) in the constrained minimal extension of the Standard Model (CMSSM). In this case, the next-to-lightest supersymmetric particle (NSP) would be unstable, with an abundance constrained by the concordance between the observ...
[ { "created": "Thu, 18 Dec 2003 18:25:22 GMT", "version": "v1" }, { "created": "Sun, 21 Dec 2003 16:52:17 GMT", "version": "v2" }, { "created": "Fri, 11 Jun 2004 23:18:33 GMT", "version": "v3" }, { "created": "Tue, 15 Jun 2004 18:22:43 GMT", "version": "v4" } ]
2008-11-26
[ [ "Ellis", "John", "" ], [ "Olive", "Keith A.", "" ], [ "Santoso", "Yudi", "" ], [ "Spanos", "Vassilis", "" ] ]
We consider the possibility that the gravitino might be the lightest supersymmetric particle (LSP) in the constrained minimal extension of the Standard Model (CMSSM). In this case, the next-to-lightest supersymmetric particle (NSP) would be unstable, with an abundance constrained by the concordance between the observed...
1809.06010
Chia-Min Lin
Chia-Min Lin
Towards an analytic solution of rapid roll inflation with a quartic potential
8 pages
null
10.1016/j.cjph.2019.09.001
null
hep-ph astro-ph.CO hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, I present an analytic solution to the equation of motion of the inflaton field in a model of rapid roll inflation with a quartic potential by assuming that the Hubble parameter is a constant during inflation. The result is obtained by using Jacobi elliptic functions. The spectral index $n_s$ and the ru...
[ { "created": "Mon, 17 Sep 2018 03:33:47 GMT", "version": "v1" } ]
2019-10-23
[ [ "Lin", "Chia-Min", "" ] ]
In this paper, I present an analytic solution to the equation of motion of the inflaton field in a model of rapid roll inflation with a quartic potential by assuming that the Hubble parameter is a constant during inflation. The result is obtained by using Jacobi elliptic functions. The spectral index $n_s$ and the runn...