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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
hep-ph/0302076 | Sandrine Sciarrino | Patrick Janot | The Light Gluino Mass Window Revisited | Slightly revised version (new references, cosmetic changes, ...)
after Phys. Lett. refereeing Accepted by Phys. Lett | Phys.Lett.B564:183-189,2003 | 10.1016/S0370-2693(03)00539-2 | CERN-EP/2003-004 | hep-ph | null | The precise measurements of the ``electroweak observables'' performed at LEP
and SLC are well consistent with the standard model predictions. Deviations
from the standard model arising from vacuum polarization diagrams (also called
``weak loop corrections'') have been constrained in a model-independent manner
with th... | [
{
"created": "Tue, 11 Feb 2003 08:53:23 GMT",
"version": "v1"
},
{
"created": "Tue, 1 Apr 2003 06:31:12 GMT",
"version": "v2"
},
{
"created": "Thu, 3 Apr 2003 06:46:26 GMT",
"version": "v3"
}
] | 2009-09-29 | [
[
"Janot",
"Patrick",
""
]
] | The precise measurements of the ``electroweak observables'' performed at LEP and SLC are well consistent with the standard model predictions. Deviations from the standard model arising from vacuum polarization diagrams (also called ``weak loop corrections'') have been constrained in a model-independent manner with the ... |
0901.3301 | Ahmad Idilbi S | Ahmad idilbi and Chul Kim | Factorization and resummation for color octet production | To appear in the proceedings of PANIC08 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the production of heavy colored paricles at the Large Hadron
Collider (LHC) through gluon-gluon fusion process. A factorization theorem is
obtained for this process using Soft Collinear Effective Theory. Our
factorization theorem does not depend on any assumptions regarding the physics
above the mass of th... | [
{
"created": "Wed, 21 Jan 2009 16:00:15 GMT",
"version": "v1"
}
] | 2009-01-22 | [
[
"idilbi",
"Ahmad",
""
],
[
"Kim",
"Chul",
""
]
] | We discuss the production of heavy colored paricles at the Large Hadron Collider (LHC) through gluon-gluon fusion process. A factorization theorem is obtained for this process using Soft Collinear Effective Theory. Our factorization theorem does not depend on any assumptions regarding the physics above the mass of the ... |
hep-ph/9911257 | null | David H Lyth (Lancaster) | The gravitino abundance in supersymmetric `new' inflation models | 9 pages latex. Same results but argument for late-time creation now
appears in hep-ph/9912313 | Phys.Lett. B488 (2000) 417-422 | 10.1016/S0370-2693(00)00878-9 | LANCS-TH/9922 | hep-ph astro-ph hep-th | null | We consider the abundance of gravitinos created from the vacuum fluctuation,
in a class of `new' inflation models for which global supersymmetry is a good
approximation. Immediately after inflation, gravitinos are produced, with
number density determined by equations recently presented by Kallosh et. al.
(hep-th/9907... | [
{
"created": "Fri, 5 Nov 1999 17:23:45 GMT",
"version": "v1"
},
{
"created": "Sun, 12 Dec 1999 10:25:27 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Lyth",
"David H",
"",
"Lancaster"
]
] | We consider the abundance of gravitinos created from the vacuum fluctuation, in a class of `new' inflation models for which global supersymmetry is a good approximation. Immediately after inflation, gravitinos are produced, with number density determined by equations recently presented by Kallosh et. al. (hep-th/990712... |
0901.2966 | J. P. Ma | H.G. Cao, J.P. Ma and H.Z. Sang | Single Transverse Spin Asymmetries at Parton Level | shortened version to match published version | Commun.Theor.Phys.53:313-324,2010 | 10.1088/0253-6102/53/2/21 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Two factorization approaches have been proposed for single transverse spin
asymmetries. One is the collinear factorization, another is the
transverse-momentum-dependent factorization. They have been previously derived
in a formal way by using diagram expansion at hadron level. If the two
factorizations hold or can be... | [
{
"created": "Tue, 20 Jan 2009 01:46:18 GMT",
"version": "v1"
},
{
"created": "Thu, 9 Jul 2009 07:34:45 GMT",
"version": "v2"
},
{
"created": "Thu, 15 Oct 2009 07:44:47 GMT",
"version": "v3"
},
{
"created": "Tue, 15 Dec 2009 05:32:14 GMT",
"version": "v4"
}
] | 2014-11-18 | [
[
"Cao",
"H. G.",
""
],
[
"Ma",
"J. P.",
""
],
[
"Sang",
"H. Z.",
""
]
] | Two factorization approaches have been proposed for single transverse spin asymmetries. One is the collinear factorization, another is the transverse-momentum-dependent factorization. They have been previously derived in a formal way by using diagram expansion at hadron level. If the two factorizations hold or can be p... |
hep-ph/9712498 | W. S. Hou | George Wei-Shu Hou | New Physics and Enhanced Gluonic Penguin | 6 pages, aipproc.sty, 2 figs. (included). Talk presented at b20
Conference, Chicago, June 29 - July 2, 1997 | null | null | null | hep-ph | null | We discuss the historical development of the gluonic B-penguin, its
sensitivity to $H^+$ effects, and $\bsg\sim$ 10--15% as a possible solution to
the $\Bsl$ and $n_C$ problems. The latter and the connection of the gluonic
penguin to inclusive $B\to \eta^\prime+ X_s$ production through the gluon
anomaly, with the int... | [
{
"created": "Tue, 23 Dec 1997 01:58:54 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Hou",
"George Wei-Shu",
""
]
] | We discuss the historical development of the gluonic B-penguin, its sensitivity to $H^+$ effects, and $\bsg\sim$ 10--15% as a possible solution to the $\Bsl$ and $n_C$ problems. The latter and the connection of the gluonic penguin to inclusive $B\to \eta^\prime+ X_s$ production through the gluon anomaly, with the intri... |
2204.09198 | Junquan Tao | Chu Wang, Jun-Quan Tao, M. Aamir Shahzad, Guo-Ming Chen, S.
Gascon-Shotkin | Search for a lighter neutral custodial fiveplet scalar in the
Georgi-Machacek model | 8 pages, 5 figures, submitted to Chinese Physics C | Chinese Physics C 2022 | 10.1088/1674-1137/ac6cd3 | 46(8): 083107 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Many researches from both the theoretical and experimental sides have been
performed to search for a new Higgs Boson lighter than the 125 $GeV$ Higgs
boson which was discovered at the LHC in 2012. In this paper we explore the
possibility of constraining a lighter neutral custodial fiveplet scalar
$H_{5}^{0}$ in the G... | [
{
"created": "Wed, 20 Apr 2022 02:58:28 GMT",
"version": "v1"
}
] | 2022-08-15 | [
[
"Wang",
"Chu",
""
],
[
"Tao",
"Jun-Quan",
""
],
[
"Shahzad",
"M. Aamir",
""
],
[
"Chen",
"Guo-Ming",
""
],
[
"Gascon-Shotkin",
"S.",
""
]
] | Many researches from both the theoretical and experimental sides have been performed to search for a new Higgs Boson lighter than the 125 $GeV$ Higgs boson which was discovered at the LHC in 2012. In this paper we explore the possibility of constraining a lighter neutral custodial fiveplet scalar $H_{5}^{0}$ in the Geo... |
2202.08873 | Renato Zamora | M. Loewe and R. Zamora | Renormalons in a scalar self interacting theory: thermal, thermomagnetic
and thermoelectric corrections for all values of temperature | New comments were added. Present version accepted for publication in
Physical Review D. arXiv admin note: substantial text overlap with
arXiv:2105.01156, arXiv:1901.06426 | null | 10.1103/PhysRevD.105.076011 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this article we revisit the discussion of renormalons in the frame of a
scalar self-interacting $\lambda \phi^{4}$ theory in the presence of
thermomagnetic effects, i.e magnetic and thermal effects. Our results for the
evolution of the residues is now given by an explicit analytic expression,
valid for all values ... | [
{
"created": "Thu, 17 Feb 2022 19:15:25 GMT",
"version": "v1"
},
{
"created": "Wed, 23 Feb 2022 13:28:28 GMT",
"version": "v2"
},
{
"created": "Thu, 24 Mar 2022 16:14:06 GMT",
"version": "v3"
}
] | 2022-04-27 | [
[
"Loewe",
"M.",
""
],
[
"Zamora",
"R.",
""
]
] | In this article we revisit the discussion of renormalons in the frame of a scalar self-interacting $\lambda \phi^{4}$ theory in the presence of thermomagnetic effects, i.e magnetic and thermal effects. Our results for the evolution of the residues is now given by an explicit analytic expression, valid for all values of... |
1306.5841 | Jing Shu | Jinmian Li, Da Liu, Jing Shu | Towards the fate of natural composite Higgs model through single
$t^\prime$ search at the 8 TeV LHC | 22 pages, 8 figures, 5 tables, refs added in v2 | null | 10.1007/JHEP11(2013)047 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyze the observational potential of single $t'$ production in both the
$t^\prime \rightarrow bW$ and $t^\prime \rightarrow th$ decay channels at 8 TeV
LHC using an integrated luminosity of 25 $\text{fb}^{-1}$. Our analysis is
based on a simplified model with minimal coset $SO(5)/SO(4)$ in which the $t'$
is a si... | [
{
"created": "Tue, 25 Jun 2013 03:23:05 GMT",
"version": "v1"
},
{
"created": "Mon, 1 Jul 2013 03:00:23 GMT",
"version": "v2"
}
] | 2015-06-16 | [
[
"Li",
"Jinmian",
""
],
[
"Liu",
"Da",
""
],
[
"Shu",
"Jing",
""
]
] | We analyze the observational potential of single $t'$ production in both the $t^\prime \rightarrow bW$ and $t^\prime \rightarrow th$ decay channels at 8 TeV LHC using an integrated luminosity of 25 $\text{fb}^{-1}$. Our analysis is based on a simplified model with minimal coset $SO(5)/SO(4)$ in which the $t'$ is a sing... |
hep-ph/0309154 | Erhan Iltan | E. O. Iltan | The Lorentz and CPT violating effects on H^0\to f^+ f^- (ZZ, W^+ W^-)
decays | 10 Pages, 3 Figures | Mod.Phys.Lett. A19 (2004) 327-336 | 10.1142/S0217732304012964 | null | hep-ph | null | We study the Lorentz and CPT violating effects on the ratio
\frac{BR_{LorVio}}{BR_{SM}}, where BR_{LorVio} (BR_{SM}) is the branching
ratios coming from the Lorentz violating effects (the SM), for the decays
H^0\to f^+ f^- (f= quarks and charged leptons) and H^0\to ZZ (W^+ W^-). We
observe that these new effects are ... | [
{
"created": "Sun, 14 Sep 2003 10:39:47 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Iltan",
"E. O.",
""
]
] | We study the Lorentz and CPT violating effects on the ratio \frac{BR_{LorVio}}{BR_{SM}}, where BR_{LorVio} (BR_{SM}) is the branching ratios coming from the Lorentz violating effects (the SM), for the decays H^0\to f^+ f^- (f= quarks and charged leptons) and H^0\to ZZ (W^+ W^-). We observe that these new effects are to... |
hep-ph/0611033 | Oliver Brein | Oliver Brein, Wolfgang Hollik and Benjamin Koch | Towards a Realistic MSSM Prediction for Neutrino-nucleon Deep-inelastic
Scattering | 5 pages, 2 figures, to appear in Proceedings of SUSY06, the 14th
International Conference on Supersymmetry and the Unification of Fundamental
Interactions, UC Irvine, California, 12-17 June 2006 | AIPConf.Proc.903:181-184,2007 | 10.1063/1.2735155 | IPPP/06/74, DCPT/06/148, MPP-2006-139 | hep-ph | null | We discuss the radiative corrections to charged and neutral current
deep-inelastic neutrino--nucleon scattering in the minimal supersymmetric
standard model (MSSM). In particular, we study deviations, delta_R^nu(nu-bar),
from the Standard Model prediction for the ratios of neutral- to
charged-current cross sections, ... | [
{
"created": "Thu, 2 Nov 2006 19:15:42 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Brein",
"Oliver",
""
],
[
"Hollik",
"Wolfgang",
""
],
[
"Koch",
"Benjamin",
""
]
] | We discuss the radiative corrections to charged and neutral current deep-inelastic neutrino--nucleon scattering in the minimal supersymmetric standard model (MSSM). In particular, we study deviations, delta_R^nu(nu-bar), from the Standard Model prediction for the ratios of neutral- to charged-current cross sections, ta... |
1311.1637 | Russell Kirk | Mark Hindmarsh, Russell Kirk and Stephen M. West | Dark Matter from Decaying Topological Defects | 22 pages, 10 figures | null | 10.1088/1475-7516/2014/03/037 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study dark matter production by decaying topological defects, in
particular cosmic strings. In topological defect or "top-down" (TD) scenarios,
the dark matter injection rate varies as a power law with time with exponent
$p-4$. We find a formula in closed form for the yield for all $p < 3/2$, which
accurately repr... | [
{
"created": "Thu, 7 Nov 2013 10:51:21 GMT",
"version": "v1"
},
{
"created": "Thu, 13 Feb 2014 11:42:49 GMT",
"version": "v2"
}
] | 2015-06-17 | [
[
"Hindmarsh",
"Mark",
""
],
[
"Kirk",
"Russell",
""
],
[
"West",
"Stephen M.",
""
]
] | We study dark matter production by decaying topological defects, in particular cosmic strings. In topological defect or "top-down" (TD) scenarios, the dark matter injection rate varies as a power law with time with exponent $p-4$. We find a formula in closed form for the yield for all $p < 3/2$, which accurately reprod... |
1505.04783 | Neda Razzaghi | N. Razzaghi | Neutrino mixing matrix and masses at a particular point of the
generalized Fridberg-Lee model | arXiv admin note: text overlap with arXiv:0811.0905 by other authors | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose the generalized Friedberg-Lee model neutrino mass model at a
particular point (point D at which $\alpha=\beta=-\frac{1}{3}$) where at this
point, the generalized Fridberg-Lee model is converted to the Democratic mass
matrix with the $S_3$ symmetry. The Democratic texture has an experimentally
unfavored deg... | [
{
"created": "Sun, 17 May 2015 04:37:44 GMT",
"version": "v1"
},
{
"created": "Sun, 10 Jul 2022 11:17:45 GMT",
"version": "v2"
},
{
"created": "Mon, 14 Aug 2023 08:41:46 GMT",
"version": "v3"
}
] | 2023-08-15 | [
[
"Razzaghi",
"N.",
""
]
] | We propose the generalized Friedberg-Lee model neutrino mass model at a particular point (point D at which $\alpha=\beta=-\frac{1}{3}$) where at this point, the generalized Fridberg-Lee model is converted to the Democratic mass matrix with the $S_3$ symmetry. The Democratic texture has an experimentally unfavored degen... |
hep-ph/0401011 | Kiwoon Choi | Kiwoon Choi | Gauge Unification and Flavor Hierarchy from Extra Dimensions | 5 pages, Revtex4, To appear in the Proceedings of SUSY03, held at the
University of Arizona, Tucson, AZ, USA, June 5-10, 2003 | null | null | null | hep-ph | null | Extra dimension provides an attractive way to break symmetry by boundary
conditions which can be useful to construct a natural grand unified theory
avoiding the doublet-triplet splitting problem and the proton decay problem. It
can provide also an elegant mechanism to generate hierarchical 4-dimensional
Yukawa coupli... | [
{
"created": "Sun, 4 Jan 2004 08:48:05 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Choi",
"Kiwoon",
""
]
] | Extra dimension provides an attractive way to break symmetry by boundary conditions which can be useful to construct a natural grand unified theory avoiding the doublet-triplet splitting problem and the proton decay problem. It can provide also an elegant mechanism to generate hierarchical 4-dimensional Yukawa coupling... |
2407.00183 | Sumit Biswas | Rahool Kumar Barman and Sumit Biswas | Top-philic Machine Learning | A short review prepared by invitation for EPJ Special Topics issue.
Version accepted for publication; 45 pages, 17 figures, 1 table; v2: typos
corrected | Eur. Phys. J. Spec. Top. (2024) | 10.1140/epjs/s11734-024-01237-9 | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | In this article, we review the application of modern machine-learning (ML)
techniques to boost the search for processes involving the top quarks at the
LHC. We revisit the formalism of Convolutional Neural Networks (CNNs), Graph
Neural Networks (GNNs), and Attention Mechanisms. Based on recent studies, we
explore the... | [
{
"created": "Fri, 28 Jun 2024 18:38:30 GMT",
"version": "v1"
},
{
"created": "Tue, 2 Jul 2024 16:21:05 GMT",
"version": "v2"
}
] | 2024-07-29 | [
[
"Barman",
"Rahool Kumar",
""
],
[
"Biswas",
"Sumit",
""
]
] | In this article, we review the application of modern machine-learning (ML) techniques to boost the search for processes involving the top quarks at the LHC. We revisit the formalism of Convolutional Neural Networks (CNNs), Graph Neural Networks (GNNs), and Attention Mechanisms. Based on recent studies, we explore their... |
hep-ph/9511462 | Sechul Oh | N.G. Deshpande, Xiao-Gang He and Sechul Oh | A Study of Some Methods for Measuring CKM CP Violating Phases | 25 pages (Latex), 5 PS figs (uuencoded, epsf.tex) | Z.Phys.C74:359-368,1997 | 10.1007/s002880050398 | OITS-593 | hep-ph | null | We study the influence of penguin (especially, electroweak penguin) effects
on some methods of measuring the angles $\alpha$, $\beta$, and $\gamma$ in the
CKM unitarity triangle. We use next-to-leading order effective Hamiltonian, and
present numerical estimates based on the factorization approximation. We find
that ... | [
{
"created": "Wed, 29 Nov 1995 21:56:21 GMT",
"version": "v1"
}
] | 2010-11-23 | [
[
"Deshpande",
"N. G.",
""
],
[
"He",
"Xiao-Gang",
""
],
[
"Oh",
"Sechul",
""
]
] | We study the influence of penguin (especially, electroweak penguin) effects on some methods of measuring the angles $\alpha$, $\beta$, and $\gamma$ in the CKM unitarity triangle. We use next-to-leading order effective Hamiltonian, and present numerical estimates based on the factorization approximation. We find that so... |
2204.11599 | Andrej Liptaj | Stanislav Dubni\v{c}ka, Anna Zuzana Dubni\v{c}kov\'a, Mikhail
Alekseevich Ivanov, Andrej Liptaj | Decays $B\rightarrow D_{\left(s\right)}^{\left(*\right)}h$
($h=\pi,\rho$) in confined covariant quark model | null | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | Decay processes $B\rightarrow D_{\left(s\right)}^{\left(*\right)}h$
($h=\pi,\rho$) are studied in the framework of the confined covariant quark
model using the na\"{i}ve factorization assumption. We observe that the
theoretical results on branching fractions have tendency to systematically
exceed the experimental num... | [
{
"created": "Mon, 25 Apr 2022 12:35:24 GMT",
"version": "v1"
},
{
"created": "Fri, 17 Jun 2022 08:42:58 GMT",
"version": "v2"
}
] | 2022-06-20 | [
[
"Dubnička",
"Stanislav",
""
],
[
"Dubničková",
"Anna Zuzana",
""
],
[
"Ivanov",
"Mikhail Alekseevich",
""
],
[
"Liptaj",
"Andrej",
""
]
] | Decay processes $B\rightarrow D_{\left(s\right)}^{\left(*\right)}h$ ($h=\pi,\rho$) are studied in the framework of the confined covariant quark model using the na\"{i}ve factorization assumption. We observe that the theoretical results on branching fractions have tendency to systematically exceed the experimental numbe... |
1301.0090 | Lei Wang | Xiao-Fang Han, Lei Wang, Jin Min Yang, Jingya Zhu | Little Higgs theory confronted with the LHC Higgs data | 20 pages, 7 figures, 1 table, Higgs data updated, references added | null | 10.1103/PhysRevD.87.055004 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We confront the little Higgs theory with the LHC Higgs search data (up to 17
fb$^{-1}$ of the combined 7 and 8 TeV run). Considering some typical models,
namely the littlest Higgs model (LH), the littlest Higgs model with T-parity
(LHT-A and LHT-B) and the simplest little Higgs model (SLH), we scan over the
parameter... | [
{
"created": "Tue, 1 Jan 2013 14:21:59 GMT",
"version": "v1"
},
{
"created": "Mon, 14 Jan 2013 14:06:47 GMT",
"version": "v2"
}
] | 2013-03-14 | [
[
"Han",
"Xiao-Fang",
""
],
[
"Wang",
"Lei",
""
],
[
"Yang",
"Jin Min",
""
],
[
"Zhu",
"Jingya",
""
]
] | We confront the little Higgs theory with the LHC Higgs search data (up to 17 fb$^{-1}$ of the combined 7 and 8 TeV run). Considering some typical models, namely the littlest Higgs model (LH), the littlest Higgs model with T-parity (LHT-A and LHT-B) and the simplest little Higgs model (SLH), we scan over the parameter s... |
hep-ph/9607387 | Kimyeonggyun | C. S. Kim, Jae Kwan Kim, Yeong Gyun Kim and Kang Young Lee | Form Factors for Exclusive Semileptonic $B$--Decays | 14 pages, LaTex file, 3 ps figure files. To be published by Int. J.
Mod. Phys. A (1996) | Int.J.Mod.Phys. A12 (1997) 2031-2046 | 10.1142/S0217751X97001286 | KAIST-CHEP-96/07 | hep-ph | null | We investigate the form factors for exclusive semileptonic decays of
$B$-meson to $D,~D^*$, based on the parton picture and helped by the results of
the HQET. We obtain the numerical results for the slope of the Isgur-Wise
function, which is consistent with the experimental results, and we extracte
the dependences of... | [
{
"created": "Mon, 22 Jul 1996 20:34:47 GMT",
"version": "v1"
}
] | 2015-06-25 | [
[
"Kim",
"C. S.",
""
],
[
"Kim",
"Jae Kwan",
""
],
[
"Kim",
"Yeong Gyun",
""
],
[
"Lee",
"Kang Young",
""
]
] | We investigate the form factors for exclusive semileptonic decays of $B$-meson to $D,~D^*$, based on the parton picture and helped by the results of the HQET. We obtain the numerical results for the slope of the Isgur-Wise function, which is consistent with the experimental results, and we extracte the dependences of h... |
hep-ph/0605033 | Cristina Volpe | Cristina Volpe (Institut de Physique Nucleaire Orsay, France) | Topical Review on "Beta-beams" | Topical Review for Journal of Physics G: Nuclear and Particle
Physics, published version, minor corrections, references added | J.Phys.G34:R1-R44,2007 | 10.1088/0954-3899/34/1/R01 | null | hep-ph astro-ph hep-ex nucl-ex nucl-th | null | Neutrino physics is traversing an exciting period, after the important
discovery that neutrinos are massive particles, that has implications from
high-energy physics to cosmology. A new method for the production of intense
and pure neutrino beams has been proposed recently: the ``beta-beam''. It
exploits boosted radi... | [
{
"created": "Wed, 3 May 2006 15:14:12 GMT",
"version": "v1"
},
{
"created": "Mon, 20 Nov 2006 17:16:48 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Volpe",
"Cristina",
"",
"Institut de Physique Nucleaire Orsay, France"
]
] | Neutrino physics is traversing an exciting period, after the important discovery that neutrinos are massive particles, that has implications from high-energy physics to cosmology. A new method for the production of intense and pure neutrino beams has been proposed recently: the ``beta-beam''. It exploits boosted radioa... |
1406.6243 | Marco Drewes | Marco Drewes | On finite density effects on cosmic reheating and moduli decay and
implications for Dark Matter production | 20 pages, 4 figures, matches version to appear in JCAP | JCAP 11 (2014) 020 | 10.1088/1475-7516/2014/11/020 | TUM-HEP-949/14, NSF-KITP-14-059 | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the damping of an oscillating scalar field in a
Friedmann-Robertson-Walker spacetime by perturbative processes, taking into
account the finite density effects that interactions with the plasma of decay
products have on the damping rate. The scalar field may be identified with the
inflaton, in which case this... | [
{
"created": "Tue, 24 Jun 2014 14:12:57 GMT",
"version": "v1"
},
{
"created": "Thu, 30 Oct 2014 17:13:47 GMT",
"version": "v2"
}
] | 2014-11-18 | [
[
"Drewes",
"Marco",
""
]
] | We study the damping of an oscillating scalar field in a Friedmann-Robertson-Walker spacetime by perturbative processes, taking into account the finite density effects that interactions with the plasma of decay products have on the damping rate. The scalar field may be identified with the inflaton, in which case this p... |
0810.5651 | Javier Vijande Asenjo | El Houssine Mezoir, P. Gonzalez | Is the spectrum of highly excited mesons purely coulombian? | 4 pages, accepted for publication in Phys. Rev. Lett | Phys.Rev.Lett.101:232001,2008 | 10.1103/PhysRevLett.101.232001 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that a static central potential may provide a precise description of
highly excited light unflavoured mesons. Due to string breaking this potential
becomes of chromoelectric type at sufficiently large quark-antiquark distances
giving rise to a coulombian spectrum. The same conclusion can be inferred for
any o... | [
{
"created": "Fri, 31 Oct 2008 10:24:53 GMT",
"version": "v1"
}
] | 2010-04-28 | [
[
"Mezoir",
"El Houssine",
""
],
[
"Gonzalez",
"P.",
""
]
] | We show that a static central potential may provide a precise description of highly excited light unflavoured mesons. Due to string breaking this potential becomes of chromoelectric type at sufficiently large quark-antiquark distances giving rise to a coulombian spectrum. The same conclusion can be inferred for any oth... |
hep-ph/0411008 | Adrian Signer | M.Beneke, N.Kauer, A.Signer, G.Zanderighi | Towards pair production near threshold with unstable particle effective
theory | Invited talk given at the 11th International Conference on QCD,
Montpellier, France (5--10th July 2004) | Nucl.Phys.Proc.Suppl.152:162-167,2006 | 10.1016/j.nuclphysbps.2005.08.031 | null | hep-ph | null | We illustrate the use of effective theory techniques to describe processes
involving unstable particles close to resonance. First, we present the main
ideas in the context of a scalar resonance in an Abelian gauge-Yukawa model. We
then outline the necessary modifications to describe W-pair production close to
thresho... | [
{
"created": "Sun, 31 Oct 2004 11:09:25 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Beneke",
"M.",
""
],
[
"Kauer",
"N.",
""
],
[
"Signer",
"A.",
""
],
[
"Zanderighi",
"G.",
""
]
] | We illustrate the use of effective theory techniques to describe processes involving unstable particles close to resonance. First, we present the main ideas in the context of a scalar resonance in an Abelian gauge-Yukawa model. We then outline the necessary modifications to describe W-pair production close to threshold... |
1112.2800 | B J Hazarika | B. J. Hazarika, D. K. Choudhury | Isgur-Wise function in a QCD inspired potential model with WKB
Approximation | null | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We use WKB Approximation in the calculation of slope and curvature of
Isgur-Wise function in a QCD inspired potential model.This work is an extension
of the approximation methods to the QCD inspired potential model.The approach
hints at an effective range of distance for the calculation of slope and
curvature of Isgu... | [
{
"created": "Tue, 13 Dec 2011 06:02:30 GMT",
"version": "v1"
}
] | 2011-12-14 | [
[
"Hazarika",
"B. J.",
""
],
[
"Choudhury",
"D. K.",
""
]
] | We use WKB Approximation in the calculation of slope and curvature of Isgur-Wise function in a QCD inspired potential model.This work is an extension of the approximation methods to the QCD inspired potential model.The approach hints at an effective range of distance for the calculation of slope and curvature of Isgur-... |
1807.04583 | Goutam Das | Pulak Banerjee, Goutam Das, Prasanna K. Dhani and V. Ravindran | Threshold resummation in rapidity for colorless particle production at
LHC | 8 pages, 7 figures, 1 table, talk presented at the Loops and Legs in
Quantum Field Theory (LL2018) | null | null | DESY 18-115 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We present a formalism to resum large threshold logarithms to all orders in
perturbative QCD for the rapidity distribution of any colorless particle at the
hadron colliders. Using the derived resummed coefficients in two dimensional
Mellin space, we present the rapidity distributions for the Higgs as well as
for the ... | [
{
"created": "Thu, 12 Jul 2018 12:50:11 GMT",
"version": "v1"
}
] | 2018-07-13 | [
[
"Banerjee",
"Pulak",
""
],
[
"Das",
"Goutam",
""
],
[
"Dhani",
"Prasanna K.",
""
],
[
"Ravindran",
"V.",
""
]
] | We present a formalism to resum large threshold logarithms to all orders in perturbative QCD for the rapidity distribution of any colorless particle at the hadron colliders. Using the derived resummed coefficients in two dimensional Mellin space, we present the rapidity distributions for the Higgs as well as for the Dr... |
0902.4278 | Jun Wu | Jun Wu, Chiu-Man Ho, and Daniel Boyanovsky | Sterile neutrinos produced near the EW scale I: mixing angles, MSW
resonances and production rates | 31 pages | Phys.Rev.D80:103511,2009 | 10.1103/PhysRevD.80.103511 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the production of sterile neutrinos in the region $T\sim M_W$ in an
extension beyond the standard model with the see-saw mass matrix originating in
Yukawa couplings to Higgs-like scalars with masses and vev's of the order of
the electroweak scale. Sterile neutrinos are produced by the decay of scalars
and st... | [
{
"created": "Wed, 25 Feb 2009 02:07:45 GMT",
"version": "v1"
},
{
"created": "Wed, 18 Nov 2009 06:05:13 GMT",
"version": "v2"
}
] | 2014-11-18 | [
[
"Wu",
"Jun",
""
],
[
"Ho",
"Chiu-Man",
""
],
[
"Boyanovsky",
"Daniel",
""
]
] | We study the production of sterile neutrinos in the region $T\sim M_W$ in an extension beyond the standard model with the see-saw mass matrix originating in Yukawa couplings to Higgs-like scalars with masses and vev's of the order of the electroweak scale. Sterile neutrinos are produced by the decay of scalars and stan... |
hep-ph/9405411 | Arnd Leike | Harald Fritzsch | Flavour Mixing and Fermion Mass Generation as a Result of Symmetry
Breaking | 9 pages, report MPI-PHT/94-29 | null | null | null | hep-ph | null | It is shown that a simple breaking of the subnuclear democracy leads to a
successful description of the mixing between the second and third family. In
the lepton channel the $\nu _{\mu } - \nu_{\tau }$ oscillations are expected to
be described by a mixing angle of $2.65^ {\circ }$ which might be observed soon
in neut... | [
{
"created": "Mon, 30 May 1994 07:18:36 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Fritzsch",
"Harald",
""
]
] | It is shown that a simple breaking of the subnuclear democracy leads to a successful description of the mixing between the second and third family. In the lepton channel the $\nu _{\mu } - \nu_{\tau }$ oscillations are expected to be described by a mixing angle of $2.65^ {\circ }$ which might be observed soon in neutri... |
hep-ph/0202234 | Marek Karliner | Marek Karliner and Shmuel Nussinov (Tel Aviv University) | QCD and e+e- --> Baryon + anti-Baryon | extended discussion of quark loop suppression in baryons in the
large-N_c limit; updated refs | Phys.Lett. B538 (2002) 321-326 | 10.1016/S0370-2693(02)02033-6 | TAUP-2679-01 | hep-ph | null | We discuss the QCD constraints on e+e- --> baryon-anti-baryon close to
threshold, in light of the puzzling experimental data which indicate that close
to threshold sigma (e+e- --> n n-bar) > sigma (e+e- --> p p-bar). We focus on
the process e+e- --> Delta Delta-bar, which is particularly simple from the
theoretical p... | [
{
"created": "Mon, 25 Feb 2002 18:27:28 GMT",
"version": "v1"
},
{
"created": "Thu, 6 Jun 2002 11:36:37 GMT",
"version": "v2"
}
] | 2015-06-25 | [
[
"Karliner",
"Marek",
"",
"Tel Aviv University"
],
[
"Nussinov",
"Shmuel",
"",
"Tel Aviv University"
]
] | We discuss the QCD constraints on e+e- --> baryon-anti-baryon close to threshold, in light of the puzzling experimental data which indicate that close to threshold sigma (e+e- --> n n-bar) > sigma (e+e- --> p p-bar). We focus on the process e+e- --> Delta Delta-bar, which is particularly simple from the theoretical poi... |
1706.09578 | Jacky Kumar | Jacky Kumar | MSSM vs. NMSSM in $\Delta F=2$ transitions | 5 pages, 3 figures, Talk given at the 9th International Workshop on
the CKM Unitarity Triangle (CKM2016) | PoS CKM2016 (2017) 132 | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study deviations between MSSM and NMSSM in the predictions of $\Delta F=2$
processes. We found that there can be two sources which can cause such
deviations, \emph{i.e}, due to certain neutralino-gluino cross box diagrams and
due to well known double penguin diagrams. Both are effective at large $\tan
\beta$. In a... | [
{
"created": "Thu, 29 Jun 2017 04:54:08 GMT",
"version": "v1"
}
] | 2017-06-30 | [
[
"Kumar",
"Jacky",
""
]
] | We study deviations between MSSM and NMSSM in the predictions of $\Delta F=2$ processes. We found that there can be two sources which can cause such deviations, \emph{i.e}, due to certain neutralino-gluino cross box diagrams and due to well known double penguin diagrams. Both are effective at large $\tan \beta$. In add... |
1702.00381 | Woosung Park | Woosung Park, Aaron Park, Sungtae Cho, Su Houng Lee | $P_c(4380)$ in a constituent quark model | no figure,10 pages | Phys. Rev. D 95, 054027 (2017) | 10.1103/PhysRevD.95.054027 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The constituent quark model with color-spin hyperfine potential is used to
investigate the property of a compact pentaquark configuration with
$J^p$=$3/2^-$ and isospin=1/2, which is the most likely quantum number of one
of the recently observed exotic baryon states at LHCb. Starting from the
characterization of the ... | [
{
"created": "Wed, 1 Feb 2017 18:18:25 GMT",
"version": "v1"
}
] | 2017-04-05 | [
[
"Park",
"Woosung",
""
],
[
"Park",
"Aaron",
""
],
[
"Cho",
"Sungtae",
""
],
[
"Lee",
"Su Houng",
""
]
] | The constituent quark model with color-spin hyperfine potential is used to investigate the property of a compact pentaquark configuration with $J^p$=$3/2^-$ and isospin=1/2, which is the most likely quantum number of one of the recently observed exotic baryon states at LHCb. Starting from the characterization of the is... |
1402.1462 | Jiunn-Wei Chen | Huey-Wen Lin, Jiunn-Wei Chen, Saul D. Cohen, Xiangdong Ji | Flavor Structure of the Nucleon Sea from Lattice QCD | 5 pages, 3 figures, version to appear at PRD | Phys. Rev. D 91, 054510 (2015) | 10.1103/PhysRevD.91.054510 | NT@UW-14-03, INT-PUB-14-002 | hep-ph hep-lat nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present the first direct lattice calculation of the isovector sea-quark
parton distributions using the formalism developed recently by one of the
authors. We use $N_f=2+1+1$ HISQ lattice gauge ensembles (generated by MILC
Collaboration) and clover valence fermions with pion mass 310 MeV. We are able
to obtain the ... | [
{
"created": "Thu, 6 Feb 2014 19:19:56 GMT",
"version": "v1"
},
{
"created": "Fri, 20 Feb 2015 06:32:59 GMT",
"version": "v2"
}
] | 2015-04-01 | [
[
"Lin",
"Huey-Wen",
""
],
[
"Chen",
"Jiunn-Wei",
""
],
[
"Cohen",
"Saul D.",
""
],
[
"Ji",
"Xiangdong",
""
]
] | We present the first direct lattice calculation of the isovector sea-quark parton distributions using the formalism developed recently by one of the authors. We use $N_f=2+1+1$ HISQ lattice gauge ensembles (generated by MILC Collaboration) and clover valence fermions with pion mass 310 MeV. We are able to obtain the qu... |
hep-ph/9305229 | Chi-Keung Chow | Chi-Keung Chow and Mark B. Wise | Corrections from Low Momentum Physics to Heavy Quark Symmetry Relations
for $B\rightarrow De\bar \nu_e$ and $B\rightarrow D^*e \bar \nu_e$ Decay | 14 pages | Phys.Rev. D48 (1993) 5202-5207 | 10.1103/PhysRevD.48.5202 | CALT-68-1862 | hep-ph | null | Heavy quark symmetry relations for $B\rightarrow De\bar \nu_e$ and
$B\rightarrow D^*e \bar \nu_e$ form factors receive corrections suppressed by
powers of the charm quark mass. For small up and down quark massed the leading
corrections of order $(1/m_c)^{n+2}~n = 0,1,2,...$ have a nonanalytic
dependence on the light ... | [
{
"created": "Fri, 7 May 1993 22:15:05 GMT",
"version": "v1"
}
] | 2009-10-22 | [
[
"Chow",
"Chi-Keung",
""
],
[
"Wise",
"Mark B.",
""
]
] | Heavy quark symmetry relations for $B\rightarrow De\bar \nu_e$ and $B\rightarrow D^*e \bar \nu_e$ form factors receive corrections suppressed by powers of the charm quark mass. For small up and down quark massed the leading corrections of order $(1/m_c)^{n+2}~n = 0,1,2,...$ have a nonanalytic dependence on the light qu... |
hep-ph/9503393 | Martin Bucher | Martin Bucher and Neil Turok (Princeton U.) | Open Inflation with Arbitrary False Vacuum Mass | 24 pages and 3 figures. (Uses phyzzx macro.) | Phys.Rev. D52 (1995) 5538-5548 | 10.1103/PhysRevD.52.5538 | null | hep-ph astro-ph | null | We calculate the power spectrum of adiabatic density perturbations in an open
inflationary model in which inflation occurs in two stages. First an epoch of
old inflation creates a large, smooth universe, solving the horizon and
homogeneity problems. Then an open universe emerges through the nucleation of a
single bub... | [
{
"created": "Tue, 21 Mar 1995 04:30:43 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Bucher",
"Martin",
"",
"Princeton U."
],
[
"Turok",
"Neil",
"",
"Princeton U."
]
] | We calculate the power spectrum of adiabatic density perturbations in an open inflationary model in which inflation occurs in two stages. First an epoch of old inflation creates a large, smooth universe, solving the horizon and homogeneity problems. Then an open universe emerges through the nucleation of a single bubbl... |
1906.09470 | Jilberto Zamora-Sa\'a | Sebastian Tapia, Jilberto Zamora-Sa\'a | Exploring CP-Violating heavy neutrino oscillations in rare tau decays at
Belle II | null | Nucl.Phys. B952 (2020) 114936 | 10.1016/j.nuclphysb.2020.114936 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work, we study the lepton number violating tau decays via two
intermediate on-shell Majorana neutrinos $N_j$ into two charged pions, and a
charged lepton $\tau^{\pm} \to \pi^{\pm} N_j \to \pi^{\pm} \pi^{\pm}
\ell^{\mp}$. We consider the scenario where the heavy neutrino masses are
within $0.5$ GeV $\leq M_N \... | [
{
"created": "Sat, 22 Jun 2019 17:00:07 GMT",
"version": "v1"
},
{
"created": "Tue, 25 Jun 2019 14:43:05 GMT",
"version": "v2"
},
{
"created": "Sat, 25 Jan 2020 11:22:23 GMT",
"version": "v3"
}
] | 2020-03-18 | [
[
"Tapia",
"Sebastian",
""
],
[
"Zamora-Saá",
"Jilberto",
""
]
] | In this work, we study the lepton number violating tau decays via two intermediate on-shell Majorana neutrinos $N_j$ into two charged pions, and a charged lepton $\tau^{\pm} \to \pi^{\pm} N_j \to \pi^{\pm} \pi^{\pm} \ell^{\mp}$. We consider the scenario where the heavy neutrino masses are within $0.5$ GeV $\leq M_N \le... |
1209.3587 | Maxim Chernodub | M. N. Chernodub | Vafa-Witten theorem, vector meson condensates and magnetic-field-induced
electromagnetic superconductivity of vacuum | 2 pages | Phys.Rev.D86:107703,2012 | 10.1103/PhysRevD.86.107703 | null | hep-ph hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that the electromagnetic superconductivity of vacuum in strong
magnetic field background is consistent with the Vafa-Witten theorem because
the charged vector meson condensates lock relevant internal global symmetries
of QCD with the electromagnetic gauge group.
| [
{
"created": "Mon, 17 Sep 2012 08:41:23 GMT",
"version": "v1"
}
] | 2012-11-28 | [
[
"Chernodub",
"M. N.",
""
]
] | We show that the electromagnetic superconductivity of vacuum in strong magnetic field background is consistent with the Vafa-Witten theorem because the charged vector meson condensates lock relevant internal global symmetries of QCD with the electromagnetic gauge group. |
1606.09469 | Piotr Lebiedowicz | Piotr Lebiedowicz, Marta Luszczak, Roman Pasechnik and Antoni Szczurek | Interpreting the 750 GeV diphoton signal as technipion | 6 pages, 5 figures, 1 table, talk presented by A. Szczurek at DIS2016
conference, 11-15 April 2016, DESY Hamburg, Germany | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss whether the enhancement in the diphoton final state at $M_{\gamma
\gamma}$ = 750 GeV, observed recently by the ATLAS and CMS Collaborations could
be a neutral pseudoscalar technipion $\tilde{\pi}^0$. We considered two
distinct minimal models for the dynamical electroweak symmetry breaking. Here
we concentr... | [
{
"created": "Thu, 30 Jun 2016 13:03:11 GMT",
"version": "v1"
}
] | 2016-07-01 | [
[
"Lebiedowicz",
"Piotr",
""
],
[
"Luszczak",
"Marta",
""
],
[
"Pasechnik",
"Roman",
""
],
[
"Szczurek",
"Antoni",
""
]
] | We discuss whether the enhancement in the diphoton final state at $M_{\gamma \gamma}$ = 750 GeV, observed recently by the ATLAS and CMS Collaborations could be a neutral pseudoscalar technipion $\tilde{\pi}^0$. We considered two distinct minimal models for the dynamical electroweak symmetry breaking. Here we concentrat... |
hep-ph/9503233 | Chun Eung Jin | E.J. Chun and A. Lukas | Axino Mass in Supergravity Models | Latex, 12 pages, no figures | Phys.Lett.B357:43-50,1995 | 10.1016/0370-2693(95)00881-K | TUM-HEP 215/95, IC/95/29 | hep-ph | null | We analyze the mass of the axino, the fermionic superpartner of the axion, in
general supergravity models incorporating a Peccei--Quinn--symmetry and
determine the cosmological constraints on this mass. In particular, we derive a
simple criterion to identify models with an LSP--axino which has a mass of
$O(m_{3/2}^2/... | [
{
"created": "Sat, 4 Mar 1995 13:49:31 GMT",
"version": "v1"
}
] | 2010-11-01 | [
[
"Chun",
"E. J.",
""
],
[
"Lukas",
"A.",
""
]
] | We analyze the mass of the axino, the fermionic superpartner of the axion, in general supergravity models incorporating a Peccei--Quinn--symmetry and determine the cosmological constraints on this mass. In particular, we derive a simple criterion to identify models with an LSP--axino which has a mass of $O(m_{3/2}^2/f_... |
1809.08102 | Hai-Yang Cheng | Hai-Yang Cheng, Yan-Liang Shi | Lifetimes of Doubly Charmed Baryons | 17 pages, 1 figure, version to appear in PRD. arXiv admin note: text
overlap with arXiv:1807.00916 | Phys. Rev. D 98, 113005 (2018) | 10.1103/PhysRevD.98.113005 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The lifetimes of doubly charmed hadrons are analyzed within the framework of
the heavy quark expansion (HQE). Lifetime differences arise from spectator
effects such as $W$-exchange and Pauli interference. The $\Xi_{cc}^{++}$ baryon
is longest-lived in the doubly charmed baryon system owing to the destructive
Pauli in... | [
{
"created": "Wed, 19 Sep 2018 21:16:33 GMT",
"version": "v1"
},
{
"created": "Tue, 27 Nov 2018 02:41:55 GMT",
"version": "v2"
}
] | 2018-12-19 | [
[
"Cheng",
"Hai-Yang",
""
],
[
"Shi",
"Yan-Liang",
""
]
] | The lifetimes of doubly charmed hadrons are analyzed within the framework of the heavy quark expansion (HQE). Lifetime differences arise from spectator effects such as $W$-exchange and Pauli interference. The $\Xi_{cc}^{++}$ baryon is longest-lived in the doubly charmed baryon system owing to the destructive Pauli inte... |
0812.3077 | Jorn Boomsma | Jorn K. Boomsma, Daniel Boer | Spontaneous CP violation in the NJL model at theta = pi | 5 pages, 7 figures; talk given at the 8th Conference "Quark
Confinement and the Hadron Spectrum", Mainz, Germany, 1-6 September 2008 | Nucl.Phys.A820:251c-254c,2009; PoS Confinement8:134,2008 | 10.1016/j.nuclphysa.2009.01.062 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | As is well-known, spontaneous CP-violation in the strong interaction is
possible at theta = pi, which is commonly referred to as Dashen's phenomenon.
This phenomenon has been studied extensively using chiral Lagrangians. Here the
two-flavor NJL model at theta = pi is discussed. It turns out that the
occurrence of spo... | [
{
"created": "Tue, 16 Dec 2008 14:45:06 GMT",
"version": "v1"
}
] | 2009-06-25 | [
[
"Boomsma",
"Jorn K.",
""
],
[
"Boer",
"Daniel",
""
]
] | As is well-known, spontaneous CP-violation in the strong interaction is possible at theta = pi, which is commonly referred to as Dashen's phenomenon. This phenomenon has been studied extensively using chiral Lagrangians. Here the two-flavor NJL model at theta = pi is discussed. It turns out that the occurrence of spont... |
hep-ph/9708269 | Istvan Montvay | I. Montvay | A non-chiral extension of the standard model with mirror fermions | latex, 6 pages, 1 figure with epsfig. Talk given at the workshop
"Beyond the Standard Model V", Balholm, Norway, May 1997 | null | 10.1063/1.54463 | DESY 97-153 | hep-ph | null | The difficulties of defining chiral gauge theories non-perturbatively suggest
a vector-like extension of the standard model with three mirror fermion
families. Some phenomenological implications of such an extension are
discussed.
| [
{
"created": "Thu, 7 Aug 1997 08:06:51 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Montvay",
"I.",
""
]
] | The difficulties of defining chiral gauge theories non-perturbatively suggest a vector-like extension of the standard model with three mirror fermion families. Some phenomenological implications of such an extension are discussed. |
hep-ph/9904384 | null | V.I. Kopeikin, L.A. Mikaelyan, V.V. Sinev | Search for the Neutrino Magnetic Moment in the Non-Equilibrium Reactor
Antineutrino Energy Spectrum | 4 pages LaTeX 2.09. 4 PS figures. Resume of seminar talks given at
Kurchatov Institute, March 1999 y | Phys.Atom.Nucl. 63 (2000) 1012-1015; Yad.Fiz. 63 (2000) 1087-1090 | 10.1134/1.855741 | null | hep-ph | null | We study the time evolution of the typical nuclear reactor antineutrino
energy spectrum during reactor ON period and the decay of the residual
antineutrino spectrum after reactor is stopped. We find that relevant
variations of the soft recoil electron spectra produced via weak and magnetic
${\widetilde {\nu}}_{e},e$ ... | [
{
"created": "Mon, 19 Apr 1999 09:13:02 GMT",
"version": "v1"
},
{
"created": "Wed, 19 May 1999 08:42:59 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Kopeikin",
"V. I.",
""
],
[
"Mikaelyan",
"L. A.",
""
],
[
"Sinev",
"V. V.",
""
]
] | We study the time evolution of the typical nuclear reactor antineutrino energy spectrum during reactor ON period and the decay of the residual antineutrino spectrum after reactor is stopped. We find that relevant variations of the soft recoil electron spectra produced via weak and magnetic ${\widetilde {\nu}}_{e},e$ sc... |
1607.00404 | Yuri Bonder | Yuri Bonder | The Elusive Part of the Standard-Model Extension Gravitational Sector | Presented at the Seventh Meeting on CPT and Lorentz Symmetry,
Bloomington, Indiana, June 20-24, 2016 | null | null | null | hep-ph gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the minimal gravitational sector of the Standard-Model Extension, there is
a coefficient whose physical consequences are unknown, and the reason behind
this lack of effects is still puzzling. This contribution summarizes several
studies where the goal was to find a fundamental explanation of this puzzle. So
far, n... | [
{
"created": "Fri, 1 Jul 2016 20:46:18 GMT",
"version": "v1"
},
{
"created": "Mon, 1 Aug 2016 20:06:47 GMT",
"version": "v2"
}
] | 2016-08-03 | [
[
"Bonder",
"Yuri",
""
]
] | In the minimal gravitational sector of the Standard-Model Extension, there is a coefficient whose physical consequences are unknown, and the reason behind this lack of effects is still puzzling. This contribution summarizes several studies where the goal was to find a fundamental explanation of this puzzle. So far, no ... |
hep-ph/0309226 | Stefan Groote | S. Groote, J.G. K\"orner, J. Maul | QCD improved determination of the hadronic contribution to the anomalous
magnetic moment of the muon | 17 pages in LaTeX, including 4 Postscript figures | null | null | MZ-TH/03-14 | hep-ph | null | We present the results of a new evaluation of the anomalous magnetic moment
a_mu=(g_mu-2)/2 of the muon where the role of input data needed in the
evaluation is lowered in the interval between 1.2 and 3.0 GeV below charm
threshold. This is achieved by decreasing the size of the weight function in
the dispersion integ... | [
{
"created": "Fri, 19 Sep 2003 06:02:09 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Groote",
"S.",
""
],
[
"Körner",
"J. G.",
""
],
[
"Maul",
"J.",
""
]
] | We present the results of a new evaluation of the anomalous magnetic moment a_mu=(g_mu-2)/2 of the muon where the role of input data needed in the evaluation is lowered in the interval between 1.2 and 3.0 GeV below charm threshold. This is achieved by decreasing the size of the weight function in the dispersion integra... |
hep-ph/0501111 | Marcello Lissia | Gianni Fiorentini, Marcello Lissia, Fabio Mantovani, Riccardo Vannucci | How much Uranium is in the Earth? Predictions for geo-neutrinos at
KamLAND | 25 pages, 5 figures; minor changes in reply to referees' comments and
APS style requirements, version to appear in PRD. In particular, one less
figure, Table III and Table IV have been exchanged and last figure is now
first to be referenced in order, note added in proofs on recent KamLAND
results | Phys.Rev.D72:033017,2005 | 10.1103/PhysRevD.72.033017 | null | hep-ph astro-ph hep-ex nucl-ex physics.geo-ph | null | Geo-neutrino detection can determine the amount of long-lived radioactive
elements within our planet, thus providing a direct test of the Bulk Silicate
Earth (BSE) model and fixing the radiogenic contribution to the terrestrial
heat. We present a prediction for the geo-neutrino signal at KamLAND as a
function of the ... | [
{
"created": "Thu, 13 Jan 2005 18:56:30 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Aug 2005 16:56:06 GMT",
"version": "v2"
}
] | 2011-01-04 | [
[
"Fiorentini",
"Gianni",
""
],
[
"Lissia",
"Marcello",
""
],
[
"Mantovani",
"Fabio",
""
],
[
"Vannucci",
"Riccardo",
""
]
] | Geo-neutrino detection can determine the amount of long-lived radioactive elements within our planet, thus providing a direct test of the Bulk Silicate Earth (BSE) model and fixing the radiogenic contribution to the terrestrial heat. We present a prediction for the geo-neutrino signal at KamLAND as a function of the Ur... |
0909.4236 | Matt Braby | Matt Braby, Jingyi Chao, Thomas Schaefer | Thermal conductivity of color-flavor locked quark matter | 20 pages, 4 figures - Changed small numerical error and added some
comments based on discussions; conclusions unchanged | Phys.Rev.C81:045205,2010 | 10.1103/PhysRevC.81.045205 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We compute the thermal conductivity of color-flavor locked (CFL) quark
matter. At temperatures below the scale set by the gap in the quark spectrum,
transport properties are determined by collective modes. In this work we focus
on the contribution from the lightest modes, the superfluid phonon and the
massive neutral... | [
{
"created": "Wed, 23 Sep 2009 16:33:59 GMT",
"version": "v1"
},
{
"created": "Fri, 4 Dec 2009 19:20:25 GMT",
"version": "v2"
}
] | 2010-04-29 | [
[
"Braby",
"Matt",
""
],
[
"Chao",
"Jingyi",
""
],
[
"Schaefer",
"Thomas",
""
]
] | We compute the thermal conductivity of color-flavor locked (CFL) quark matter. At temperatures below the scale set by the gap in the quark spectrum, transport properties are determined by collective modes. In this work we focus on the contribution from the lightest modes, the superfluid phonon and the massive neutral k... |
1208.4558 | Diego Aristizabal | D. Aristizabal Sierra | Lepton flavor violation and seesaw symmetries | 7 pages, 2 figures. Prepared for the proceedings of the 5th
International Symposium on Symmetries in Subatomic Physics, SSP2012,
Groningen, The Netherlands, June 18-22 2012 | null | 10.1007/s10751-013-0772-2 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | When the standard model is extended with right-handed neutrinos the
symmetries of the resulting Lagrangian are enlarged with a new global U(1)R
Abelian factor. In the context of minimal seesaw models we analyze the
implications of a slightly broken U(1)R symmetry on charged lepton flavor
violating decays. We find, de... | [
{
"created": "Wed, 22 Aug 2012 17:03:32 GMT",
"version": "v1"
}
] | 2015-06-11 | [
[
"Sierra",
"D. Aristizabal",
""
]
] | When the standard model is extended with right-handed neutrinos the symmetries of the resulting Lagrangian are enlarged with a new global U(1)R Abelian factor. In the context of minimal seesaw models we analyze the implications of a slightly broken U(1)R symmetry on charged lepton flavor violating decays. We find, depe... |
2209.13804 | Mikko Laine | M. Laine, L. Niemi, S. Procacci, K. Rummukainen | Shape of the hot topological charge density spectral function | 24 pages. v2: clarifications added, published version | JHEP 11 (2022) 126 | 10.1007/JHEP11(2022)126 | null | hep-ph hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | After motivating an interest in the shape of the topological charge density
spectral function in hot Yang-Mills theories, we estimate it with the help of
thermally averaged classical real-time simulations, for $N_{\rm c} = 2,3$.
After subtracting a perturbative contribution at large frequencies, we observe
a non-triv... | [
{
"created": "Wed, 28 Sep 2022 03:15:13 GMT",
"version": "v1"
},
{
"created": "Tue, 22 Nov 2022 05:04:47 GMT",
"version": "v2"
}
] | 2022-11-23 | [
[
"Laine",
"M.",
""
],
[
"Niemi",
"L.",
""
],
[
"Procacci",
"S.",
""
],
[
"Rummukainen",
"K.",
""
]
] | After motivating an interest in the shape of the topological charge density spectral function in hot Yang-Mills theories, we estimate it with the help of thermally averaged classical real-time simulations, for $N_{\rm c} = 2,3$. After subtracting a perturbative contribution at large frequencies, we observe a non-trivia... |
hep-ph/0210412 | Adrian Dumitru | A. Dumitru (BNL) | High-multiplicity pA collisions and the small-x effective action | 6 Pages, 3 Figures; Presented at the Workshop on Coherent Effects at
RHIC and LHC: Initial Conditions and Hard Probes'', ECT*, Trento (Italy),
October 14-25, 2002, http://pluto.mpi-hd.mpg.de/trento | null | null | null | hep-ph | null | I discuss the p_t distributions for high-multiplicity events originating from
semi-classical variation of the gluon density of the proton.The multiplicity
distribution measures the curvature of the effective action for the small-x
gluon fields. For pA collisions at the RHIC and LHC colliders, semi-classically
the mul... | [
{
"created": "Tue, 29 Oct 2002 20:36:43 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Dumitru",
"A.",
"",
"BNL"
]
] | I discuss the p_t distributions for high-multiplicity events originating from semi-classical variation of the gluon density of the proton.The multiplicity distribution measures the curvature of the effective action for the small-x gluon fields. For pA collisions at the RHIC and LHC colliders, semi-classically the multi... |
2203.03882 | Quzhi Li | Qu-Zhi Li | The $N/D$ study on the singularity structure of $\pi N$ scattering
amplitudes | null | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The $N/D$ method is used to study the $S_{11}$ channel low energy $\pi N$
scattering amplitude. The input of left cuts are obtained from various
phenomenological models. With the aid of the production representation, the
total phase shifts can be decomposed into different contributions, and it
further reveals that th... | [
{
"created": "Tue, 8 Mar 2022 06:58:18 GMT",
"version": "v1"
}
] | 2022-03-09 | [
[
"Li",
"Qu-Zhi",
""
]
] | The $N/D$ method is used to study the $S_{11}$ channel low energy $\pi N$ scattering amplitude. The input of left cuts are obtained from various phenomenological models. With the aid of the production representation, the total phase shifts can be decomposed into different contributions, and it further reveals that the ... |
1205.0407 | Chaehyun Yu | P. Ko, Yuji Omura, Chaehyun Yu (KIAS) | Top A_FB at the Tevatron vs. charge asymmetry at the LHC in chiral U(1)
flavor models with flavored Higgs doublets | 11 pages, 6 figures, figures and discussion added | null | 10.1140/epjc/s10052-012-2269-6 | KIAS-PREPRINT-P12024 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the top forward-backward (FB) asymmetry at the Tevatron and top
charge asymmetry at the LHC within chiral U(1)^\prime models with
flavor-dependent U(1)^\prime charges and flavored Higgs fields, which were
introduced in the ref. [65]. The models could enhance not only the top
forward-backward asymmetry at ... | [
{
"created": "Wed, 2 May 2012 12:38:54 GMT",
"version": "v1"
},
{
"created": "Wed, 26 Sep 2012 20:12:00 GMT",
"version": "v2"
}
] | 2015-06-05 | [
[
"Ko",
"P.",
"",
"KIAS"
],
[
"Omura",
"Yuji",
"",
"KIAS"
],
[
"Yu",
"Chaehyun",
"",
"KIAS"
]
] | We consider the top forward-backward (FB) asymmetry at the Tevatron and top charge asymmetry at the LHC within chiral U(1)^\prime models with flavor-dependent U(1)^\prime charges and flavored Higgs fields, which were introduced in the ref. [65]. The models could enhance not only the top forward-backward asymmetry at Te... |
2310.03711 | Hoernisa Iminniyaz | Qiu Sujuan, Hoernisa Iminniyaz | Relic density of asymmetric dark matter and constraints on the parameter
spaces | null | null | null | null | hep-ph | http://creativecommons.org/licenses/by-nc-sa/4.0/ | Based on the cosmological observations, the baryon and dark matter energy
densities are similar. There may exist an asymmetry between the dark matter
particles and their corresponding anti--particles. We review the relic density
of asymmetric dark matter particle and anti--particle in the standard
cosmological scenar... | [
{
"created": "Thu, 5 Oct 2023 17:36:34 GMT",
"version": "v1"
}
] | 2023-10-06 | [
[
"Sujuan",
"Qiu",
""
],
[
"Iminniyaz",
"Hoernisa",
""
]
] | Based on the cosmological observations, the baryon and dark matter energy densities are similar. There may exist an asymmetry between the dark matter particles and their corresponding anti--particles. We review the relic density of asymmetric dark matter particle and anti--particle in the standard cosmological scenario... |
hep-ph/9606241 | Ewan Davidson Stewart | Ewan D. Stewart | Flattening the Inflaton's Potential with Quantum Corrections | 8 pages, LaTeX | Phys.Lett. B391 (1997) 34-38 | 10.1016/S0370-2693(96)01458-X | RESCEU-19/96 | hep-ph astro-ph hep-th | null | I show that a classical scalar potential with $ V''/V \sim 1 $ can be
sufficiently flattened by quantum corrections to give rise to slow-roll
inflation. This provides perhaps the simplest way to generate an inflationary
potential without fine tuning. The most natural implementation of this idea
produces an unviably s... | [
{
"created": "Wed, 5 Jun 1996 14:39:08 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Stewart",
"Ewan D.",
""
]
] | I show that a classical scalar potential with $ V''/V \sim 1 $ can be sufficiently flattened by quantum corrections to give rise to slow-roll inflation. This provides perhaps the simplest way to generate an inflationary potential without fine tuning. The most natural implementation of this idea produces an unviably sma... |
hep-ph/0111454 | Ismd31 | S. Munier | Dipole-proton $S$-matrix derived from diffractive meson
electroproduction | 4 pages, 1 figure (in eps) talk given at XXXI International Symposium
on Multiparticle Dynamics, Sep. 1-7, 2001, Datong China URL
http://ismd31.ccnu.edu.cn/ | null | 10.1142/9789812778048_0074 | null | hep-ph | null | Through a determination of the $S$-matrix element for the scattering of a
localized colour dipole on a proton, we show that saturation effects can
already be sizable at HERA. The saturation scale is found to be around 1-1.5
$GeV^2$ for the highest available energies and for central collisions, and is a
decreasing fun... | [
{
"created": "Fri, 30 Nov 2001 10:01:30 GMT",
"version": "v1"
}
] | 2017-08-23 | [
[
"Munier",
"S.",
""
]
] | Through a determination of the $S$-matrix element for the scattering of a localized colour dipole on a proton, we show that saturation effects can already be sizable at HERA. The saturation scale is found to be around 1-1.5 $GeV^2$ for the highest available energies and for central collisions, and is a decreasing funct... |
hep-ph/9709328 | Claude Bernard | C. Bernard, T. Blum, T. DeGrand, C. DeTar, Steven Gottlieb, U. M.
Heller, J. Hetrick, C. McNeile, K. Rummukainen, R. Sugar, D. Toussaint, and
M. Wingate | B Mixing on the Lattice: $f_B$, $f_{B_s}$ and Related Quantities | 9 pages, 3 included postscript figures, uses aipproc.sty and epsfig.
Invited talk presented by C. Bernard at "b20: Twenty Beautiful Years of
Bottom Physics," Illinois Institute of Technology, June 29-July 2, 1997 | null | 10.1063/1.55130 | null | hep-ph hep-lat | null | The MILC collaboration computation of heavy-light decay constants is
described. Results for $f_B$, $f_{B_s}$, $f_D$, $f_{D_s}$ and their ratios are
presented. These results are still preliminary, but the analysis is close to
being completed. Sources of systematic error, both within the quenched
approximation and from... | [
{
"created": "Fri, 12 Sep 1997 14:45:57 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Bernard",
"C.",
""
],
[
"Blum",
"T.",
""
],
[
"DeGrand",
"T.",
""
],
[
"DeTar",
"C.",
""
],
[
"Gottlieb",
"Steven",
""
],
[
"Heller",
"U. M.",
""
],
[
"Hetrick",
"J.",
""
],
[
"McNeile",
"C.",
... | The MILC collaboration computation of heavy-light decay constants is described. Results for $f_B$, $f_{B_s}$, $f_D$, $f_{D_s}$ and their ratios are presented. These results are still preliminary, but the analysis is close to being completed. Sources of systematic error, both within the quenched approximation and from q... |
hep-ph/9807356 | Ananthanarayan Balasubramanian | B. Ananthanarayan (Centre for Theoretical Studies, Indian Institute of
Science, Bangalore, India) | Effective Lagrangians in $2 + \epsilon$ Dimensions | 13 pages plain LaTeX, to be run twice. Replaced with expanded and
corrected version. One footnote added | Phys.Rev. D61 (2000) 076001 | 10.1103/PhysRevD.61.076001 | IISc-CTS-6/98 | hep-ph cond-mat hep-th | null | The failure of the the loop expansion and effective lagrangians in two
dimensions, which traditionally hinges on a power counting argument is
considered. We establish that the book keeping device for the loop expansion, a
role played by (the reciprocal of) the pion-decay constant itself vanishes for
$d=2$, thereby go... | [
{
"created": "Mon, 13 Jul 1998 12:50:11 GMT",
"version": "v1"
},
{
"created": "Thu, 3 Jun 1999 05:22:08 GMT",
"version": "v2"
},
{
"created": "Wed, 9 Jun 1999 04:04:47 GMT",
"version": "v3"
}
] | 2009-10-31 | [
[
"Ananthanarayan",
"B.",
"",
"Centre for Theoretical Studies, Indian Institute of\n Science, Bangalore, India"
]
] | The failure of the the loop expansion and effective lagrangians in two dimensions, which traditionally hinges on a power counting argument is considered. We establish that the book keeping device for the loop expansion, a role played by (the reciprocal of) the pion-decay constant itself vanishes for $d=2$, thereby goin... |
hep-ph/0404178 | Don Colladay | Don Colladay | New Implications of Lorentz Violation | 8 pages, proceedings for 2003 Coral Gables Conference, Ft.
Lauderdale, FL | Int.J.Mod.Phys. A20 (2005) 1260-1267 | 10.1142/S0217751X05024158 | null | hep-ph | null | In this proceedings, I summarize two recently discovered theoretical
implications that Lorentz violation has on physical systems. First, I discuss
new models for neutrino oscillations in which relatively simple combinations of
Lorentz-violating parameters can mimic the major features of the current
neutrino oscillati... | [
{
"created": "Wed, 21 Apr 2004 15:00:42 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Colladay",
"Don",
""
]
] | In this proceedings, I summarize two recently discovered theoretical implications that Lorentz violation has on physical systems. First, I discuss new models for neutrino oscillations in which relatively simple combinations of Lorentz-violating parameters can mimic the major features of the current neutrino oscillation... |
1008.3141 | Ayan Paul | Ayan Paul, Ikaros I. Bigi, Stefan Recksiegel | D^0 -> gamma gamma and D^0 -> mu^+ mu^- Rates on an Unlikely Impact of
the Littlest Higgs Model with T-Parity | 18 pages, 6 figures. V4 has minor typos corrected and Sec.5 has been
extended to contain comments on FCNCs in different UV completion scenarios of
LHT. V5 includes corrected Eq.9 as per erratum submitted to PRD | Phys.Rev.D82:094006,2010 | 10.1103/PhysRevD.82.094006 | UND-HEP-10-BIG, TUM-HEP-767/10 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The decays D^0 -> gamma gamma, $mu^+ mu^- are highly suppressed in the
Standard Model (SM) with the lion's share of the rate coming from long distance
dynamics; D^0 -> mu^+ mu^- is driven predominantly by D^0 -> gamma gamma ->
mu^+ mu^-. Their present experimental bounds are small, yet much larger than SM
predictions... | [
{
"created": "Wed, 18 Aug 2010 17:50:15 GMT",
"version": "v1"
},
{
"created": "Thu, 19 Aug 2010 02:17:43 GMT",
"version": "v2"
},
{
"created": "Tue, 24 Aug 2010 04:49:50 GMT",
"version": "v3"
},
{
"created": "Mon, 15 Nov 2010 02:26:37 GMT",
"version": "v4"
},
{
"c... | 2011-01-04 | [
[
"Paul",
"Ayan",
""
],
[
"Bigi",
"Ikaros I.",
""
],
[
"Recksiegel",
"Stefan",
""
]
] | The decays D^0 -> gamma gamma, $mu^+ mu^- are highly suppressed in the Standard Model (SM) with the lion's share of the rate coming from long distance dynamics; D^0 -> mu^+ mu^- is driven predominantly by D^0 -> gamma gamma -> mu^+ mu^-. Their present experimental bounds are small, yet much larger than SM predictions. ... |
hep-ph/0201051 | Helmut Satz | H. Satz (U. of Bielefeld) | States of Strongly Interacting Matter | 13 pages, 12 figures | Fortsch.Phys. 50 (2002) 541-551; Lect.Notes Phys. 616 (2003)
126-137 | null | BI-TP 2002/01 | hep-ph | null | I discuss the phase structure of strongly interacting matter at high
temperatures and densities, as predicted by statistical QCD, and consider in
particular the nature of the transition of hot hadronic matter to a plasma of
deconfined quarks and gluons.
| [
{
"created": "Tue, 8 Jan 2002 16:30:31 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Satz",
"H.",
"",
"U. of Bielefeld"
]
] | I discuss the phase structure of strongly interacting matter at high temperatures and densities, as predicted by statistical QCD, and consider in particular the nature of the transition of hot hadronic matter to a plasma of deconfined quarks and gluons. |
hep-ph/0606105 | Gian Francesco Giudice | G.F. Giudice, R. Rattazzi | Living Dangerously with Low-Energy Supersymmetry | 37 pages, 5 figures | Nucl.Phys. B757 (2006) 19-46 | 10.1016/j.nuclphysb.2006.07.031 | CERN-PH-TH/2006-105 | hep-ph | null | We stress that the lack of direct evidence for supersymmetry forces the soft
mass parameters to lie very close to the critical line separating the broken
and unbroken phases of the electroweak gauge symmetry. We argue that the level
of criticality, or fine-tuning, that is needed to escape the present collider
bounds ... | [
{
"created": "Fri, 9 Jun 2006 08:41:05 GMT",
"version": "v1"
}
] | 2009-11-11 | [
[
"Giudice",
"G. F.",
""
],
[
"Rattazzi",
"R.",
""
]
] | We stress that the lack of direct evidence for supersymmetry forces the soft mass parameters to lie very close to the critical line separating the broken and unbroken phases of the electroweak gauge symmetry. We argue that the level of criticality, or fine-tuning, that is needed to escape the present collider bounds ca... |
1305.5432 | Denis Rosenthal | Patrick Gelhausen, Alexander Khodjamirian, Alexei A. Pivovarov, Denis
Rosenthal | Decay constants of heavy-light vector mesons from QCD sum rules | 30 pages, v3: Uncertainties of the ratios of decay constants
corrected. Central values and all other results not changed. , v2:
Normalization factor in eq.(53) corrected, causing a slight decrease of the
recalculated numerical values for f_B^*_s and f_D^*_s; some misprints
corrected; version published in journa... | null | 10.1103/PhysRevD.88.014015 | SI-HEP-2013-02, QFET-2013-01 | hep-ph hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We revisit QCD sum rules for the decay constants of heavy-light mesons. In
the sum rules for the vector mesons B^*_(s) and D^*_(s) we improve the accuracy
of OPE, taking into account the O(alpha_s^2) terms in the perturbative part and
calculating the O(alpha_s) corrections to the quark-condensate contribution.
With t... | [
{
"created": "Thu, 23 May 2013 14:20:56 GMT",
"version": "v1"
},
{
"created": "Fri, 11 Apr 2014 13:20:33 GMT",
"version": "v2"
},
{
"created": "Fri, 27 Mar 2015 17:56:05 GMT",
"version": "v3"
}
] | 2015-03-30 | [
[
"Gelhausen",
"Patrick",
""
],
[
"Khodjamirian",
"Alexander",
""
],
[
"Pivovarov",
"Alexei A.",
""
],
[
"Rosenthal",
"Denis",
""
]
] | We revisit QCD sum rules for the decay constants of heavy-light mesons. In the sum rules for the vector mesons B^*_(s) and D^*_(s) we improve the accuracy of OPE, taking into account the O(alpha_s^2) terms in the perturbative part and calculating the O(alpha_s) corrections to the quark-condensate contribution. With thi... |
hep-ph/0005205 | Andrei Ivanov | A. Ya. Berdnikov, Ya. A. Berdnikov, A. N. Ivanov, V. A. Ivanova, V. F.
Kosmach, V. M. Samsonov, and N.I. Troitskaya | On the hadron production from the quark-gluon plasma phase in
ultra-relativistic heavy-ion collisions | 17 pages, no figers, Latex | Fizika B12:235-256,2003 | null | null | hep-ph | null | We describe the quark gluon plasma (QGP) as a thermalized quark-gluon system,
the thermalized QGP phase of QCD. The hadronization of the thermalized QGP
phase is given in a way resembling a coalescence model with correlated quarks
and anti-quarks. The input parameters of the approach are the spatial volumes
of the ha... | [
{
"created": "Sat, 20 May 2000 18:38:37 GMT",
"version": "v1"
},
{
"created": "Thu, 9 Nov 2000 17:20:44 GMT",
"version": "v2"
}
] | 2014-11-17 | [
[
"Berdnikov",
"A. Ya.",
""
],
[
"Berdnikov",
"Ya. A.",
""
],
[
"Ivanov",
"A. N.",
""
],
[
"Ivanova",
"V. A.",
""
],
[
"Kosmach",
"V. F.",
""
],
[
"Samsonov",
"V. M.",
""
],
[
"Troitskaya",
"N. I.",
""
]
] | We describe the quark gluon plasma (QGP) as a thermalized quark-gluon system, the thermalized QGP phase of QCD. The hadronization of the thermalized QGP phase is given in a way resembling a coalescence model with correlated quarks and anti-quarks. The input parameters of the approach are the spatial volumes of the hadr... |
0903.4985 | Alexander S. Sakharov | Alexander Sakharov, Nick Mavromatos, Anselmo Meregaglia, Andre Rubbia,
Sarben Sarkar | Exploration of Possible Quantum Gravity Effects with Neutrinos I:
Decoherence in Neutrino Oscillations Experiments | 9 pages, 4 figures, proceedings for invited talk by A.Sakharov at
DISCRETE'08, Valencia, Spain; December 2008 | J.Phys.Conf.Ser.171:012038,2009 | 10.1088/1742-6596/171/1/012038 | CERN-TH-PH/2009-033 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Quantum gravity may involve models with stochastic fluctuations of the
associated metric field, around some fixed background value. Such stochastic
models of gravity may induce decoherence for matter propagating in such
fluctuating space time. In most cases, this leads to fewer neutrinos of all
active flavours being ... | [
{
"created": "Sun, 29 Mar 2009 20:53:16 GMT",
"version": "v1"
}
] | 2009-07-22 | [
[
"Sakharov",
"Alexander",
""
],
[
"Mavromatos",
"Nick",
""
],
[
"Meregaglia",
"Anselmo",
""
],
[
"Rubbia",
"Andre",
""
],
[
"Sarkar",
"Sarben",
""
]
] | Quantum gravity may involve models with stochastic fluctuations of the associated metric field, around some fixed background value. Such stochastic models of gravity may induce decoherence for matter propagating in such fluctuating space time. In most cases, this leads to fewer neutrinos of all active flavours being de... |
2110.15647 | Sara Taheri Monfared | S. Taheri Monfared and H. Jung | Transverse Momentum Dependent and collinear densities based on Parton
Branching method | Proceedings of ISMD 2021, July 12-16 (online conference). 5 pages | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We review the current status of collinear and Transverse Momentum Dependent
densities based on the Parton Branching method. We investigate the performance
of the PB-TMD evolution as well as PB-TMD parton shower with different
configurations of the hard process in the four- and five-flavour schemes.
| [
{
"created": "Fri, 29 Oct 2021 09:41:51 GMT",
"version": "v1"
}
] | 2021-11-01 | [
[
"Monfared",
"S. Taheri",
""
],
[
"Jung",
"H.",
""
]
] | We review the current status of collinear and Transverse Momentum Dependent densities based on the Parton Branching method. We investigate the performance of the PB-TMD evolution as well as PB-TMD parton shower with different configurations of the hard process in the four- and five-flavour schemes. |
hep-ph/0304199 | Michael Chanowitz | Michael S. Chanowitz | The Direct Limit on the Higgs Mass and the SM Fit | 12 pages, 4 figures, presented at the Workshop on Electroweak
Precision Data and the Higgs Mass, DESY-Zeuthen, February 28 - March 1, 2003;
typos in table 3 corrected, discussion of products of CL's generalized;
kinder, gentler abstract | null | null | LBNL-52452 | hep-ph | null | Because of two $3\sigma$ anomalies, the Standard Model (SM) fit of the
precision electroweak data has a poor confidence level, $CL= 0.02$. Since both
anomalies involve challenging systematic issues, it might appear that the SM
could still be valid if the anomalies resulted from underestimated systematic
error. Indeed... | [
{
"created": "Mon, 21 Apr 2003 16:32:06 GMT",
"version": "v1"
},
{
"created": "Tue, 20 May 2003 16:17:36 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Chanowitz",
"Michael S.",
""
]
] | Because of two $3\sigma$ anomalies, the Standard Model (SM) fit of the precision electroweak data has a poor confidence level, $CL= 0.02$. Since both anomalies involve challenging systematic issues, it might appear that the SM could still be valid if the anomalies resulted from underestimated systematic error. Indeed t... |
hep-ph/0302186 | Alexander Gemintern | Alexander Gemintern, Shaouly Bar-Shalom, Gad Eilam and Frank Krauss | Lepton-flavor-violating decays L->l gamma gamma as a new probe of
supersymmetry with broken R-parity | null | Phys.Rev. D67 (2003) 115012 | 10.1103/PhysRevD.67.115012 | CERN-TH/2003-034 | hep-ph | null | Lepton-flavor-violating decays of the type L->l gamma gamma (mu->e gamma
gamma, tau->e gamma gamma, and tau->mu gamma gamma) are proposed as new probes
of R-parity-violating supersymmetry. Non-penguin diagrams with a sneutrino that
decays into two photons via a triangle graph might trigger such decays even in
the abs... | [
{
"created": "Thu, 20 Feb 2003 15:18:46 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Gemintern",
"Alexander",
""
],
[
"Bar-Shalom",
"Shaouly",
""
],
[
"Eilam",
"Gad",
""
],
[
"Krauss",
"Frank",
""
]
] | Lepton-flavor-violating decays of the type L->l gamma gamma (mu->e gamma gamma, tau->e gamma gamma, and tau->mu gamma gamma) are proposed as new probes of R-parity-violating supersymmetry. Non-penguin diagrams with a sneutrino that decays into two photons via a triangle graph might trigger such decays even in the absen... |
0709.1638 | Riccardo Catena | Riccardo Catena | Cosmological implications of a supersymmetric extension of the
Brans-Dicke theory | 4 pages. To appear in the proceedings of PASCOS-07: 13th
International Symposium on Particles, Strings and Cosmology | AIPConf.Proc.957:371-374,2007 | 10.1063/1.2823804 | DESY 07 - 143 | hep-ph | null | In the Brans-Dicke theory the Planck mass is replaced by a dynamical scalar
field. We consider here the supersymmetric analogous of this mechanism
replacing in the supergravity Lagrangian the Planck mass with a chiral
superfield. This analysis is motivated by the research of possible connections
between supersymmetri... | [
{
"created": "Tue, 11 Sep 2007 14:47:07 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Catena",
"Riccardo",
""
]
] | In the Brans-Dicke theory the Planck mass is replaced by a dynamical scalar field. We consider here the supersymmetric analogous of this mechanism replacing in the supergravity Lagrangian the Planck mass with a chiral superfield. This analysis is motivated by the research of possible connections between supersymmetric ... |
2005.05852 | Paul Caucal | P. Caucal, E. Iancu, A. H. Mueller, G. Soyez | Nuclear modification factors for jet fragmentation | 37 pages, 11 figures, to appear in JHEP | null | 10.1007/JHEP10(2020)204 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using a recently-developed perturbative-QCD approach for jet evolution in a
dense quark-gluon plasma, we study the nuclear modification factor for the jet
fragmentation function. The qualitative behaviour that we find is in agreement
with the respective experimental observations in Pb+Pb collisions at the LHC: a
pron... | [
{
"created": "Tue, 12 May 2020 15:17:43 GMT",
"version": "v1"
},
{
"created": "Fri, 9 Oct 2020 15:03:46 GMT",
"version": "v2"
}
] | 2020-12-02 | [
[
"Caucal",
"P.",
""
],
[
"Iancu",
"E.",
""
],
[
"Mueller",
"A. H.",
""
],
[
"Soyez",
"G.",
""
]
] | Using a recently-developed perturbative-QCD approach for jet evolution in a dense quark-gluon plasma, we study the nuclear modification factor for the jet fragmentation function. The qualitative behaviour that we find is in agreement with the respective experimental observations in Pb+Pb collisions at the LHC: a pronou... |
0911.3977 | Rohit Dhir | Neelesh Sharma, Rohit Dhir and R.C. Verma | Branching ratios of Bc Meson Decaying to Pseudoscalar and Axial-Vector
Mesons | 19 pages,7 tables | J.Phys.G37:075013,2010 | 10.1088/0954-3899/37/7/075013 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study Cabibbo-Kobayashi-Maskawa (CKM) favored weak decays of Bc mesons in
the Isgur-Scora-Grinstein-Wise (ISGW) quark model. We present a detailed
analysis of the Bc meson decaying to a pseudoscalar meson (P) and an
axial-vector meson (A). We also give the form factors involving transition in
the ISGW II framework... | [
{
"created": "Fri, 20 Nov 2009 06:57:58 GMT",
"version": "v1"
}
] | 2014-11-20 | [
[
"Sharma",
"Neelesh",
""
],
[
"Dhir",
"Rohit",
""
],
[
"Verma",
"R. C.",
""
]
] | We study Cabibbo-Kobayashi-Maskawa (CKM) favored weak decays of Bc mesons in the Isgur-Scora-Grinstein-Wise (ISGW) quark model. We present a detailed analysis of the Bc meson decaying to a pseudoscalar meson (P) and an axial-vector meson (A). We also give the form factors involving transition in the ISGW II framework a... |
hep-ph/0409090 | Gert Aarts | Gert Aarts and Jose M. Martinez Resco (Ohio State) | Transport coefficients and the 2PI effective action in the large N limit | 10 pages, based on presentations at Strong and Electroweak Matter
(SEWM04), Helsinki, Finland, June 16-19 2004, and the Workshop on QCD in
Extreme Environments, Argonne National Laboratory, USA, June 29-July 3 2004 | null | 10.1142/9789812702159_0030 | null | hep-ph nucl-th | null | We discuss the computation of transport coefficients in large N_f QCD and the
O(N) model for massive particles. The calculation is organized using the 1/N
expansion of the 2PI effective action to next-to-leading order. For the gauge
theory, we verify gauge fixing independence and consistency with the Ward
identity. I... | [
{
"created": "Wed, 8 Sep 2004 13:53:43 GMT",
"version": "v1"
}
] | 2017-08-23 | [
[
"Aarts",
"Gert",
"",
"Ohio State"
],
[
"Resco",
"Jose M. Martinez",
"",
"Ohio State"
]
] | We discuss the computation of transport coefficients in large N_f QCD and the O(N) model for massive particles. The calculation is organized using the 1/N expansion of the 2PI effective action to next-to-leading order. For the gauge theory, we verify gauge fixing independence and consistency with the Ward identity. In ... |
hep-ph/9503321 | Alexander Khodjamirian | A. Khodjamirian and R. R\"uckl | Heavy Meson Exclusive Decays in the Framework of QCD Sum Rules | 11 pages, Latex, 3 figures added as uuencoded .ps file, presented by
R. R\"uckl at the 138.WE-Heraeus-Seminar on Heavy Quark Physics, Bad Honnef,
Germany, December 14-16,1994 | null | null | MPI-PhT/95-19, LMU 05/95 | hep-ph | null | We discuss applications of QCD sum rules on the light-cone to the form
factors of the exclusive transitions $B \rightarrow \pi$ and $D\rightarrow
\pi$, and to the $B^*B \pi$ and $D^*D \pi$ coupling constants. In the light of
our results we examine the pole dominance model for these form factors. A first
estimate is g... | [
{
"created": "Tue, 14 Mar 1995 10:28:18 GMT",
"version": "v1"
}
] | 2016-09-01 | [
[
"Khodjamirian",
"A.",
""
],
[
"Rückl",
"R.",
""
]
] | We discuss applications of QCD sum rules on the light-cone to the form factors of the exclusive transitions $B \rightarrow \pi$ and $D\rightarrow \pi$, and to the $B^*B \pi$ and $D^*D \pi$ coupling constants. In the light of our results we examine the pole dominance model for these form factors. A first estimate is giv... |
hep-ph/0402258 | Andrea Romanino | Andrea Romanino | Charged lepton contributions to the solar neutrino mixing and theta_13 | 10 pages, 1 figure | Phys.Rev. D70 (2004) 013003 | 10.1103/PhysRevD.70.013003 | null | hep-ph | null | A charged lepton contribution to the solar neutrino mixing induces a
contribution to theta_13, barring cancellations/correlations, which is
independent of the model building options in the neutrino sector. We illustrate
two robust arguments for that contribution to be within the expected
sensitivity of high intensity... | [
{
"created": "Tue, 24 Feb 2004 20:50:49 GMT",
"version": "v1"
},
{
"created": "Wed, 3 Mar 2004 18:45:19 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Romanino",
"Andrea",
""
]
] | A charged lepton contribution to the solar neutrino mixing induces a contribution to theta_13, barring cancellations/correlations, which is independent of the model building options in the neutrino sector. We illustrate two robust arguments for that contribution to be within the expected sensitivity of high intensity n... |
2004.10570 | Shun Zhou | Shun Zhou | Continuous and Discrete Symmetries of Renormalization Group Equations
for Neutrino Oscillations in Matter | 24 pages, no figures, typos corrected, more discussions added, to be
published in J. Phys. G | J. Phys. G 49 (2022) 025004 | 10.1088/1361-6471/ac430d | null | hep-ph math-ph math.MP | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Three-flavor neutrino oscillations in matter can be described by three
effective neutrino masses $\widetilde{m}^{}_i$ (for $i = 1, 2, 3$) and the
effective mixing matrix $V^{}_{\alpha i}$ (for $\alpha = e, \mu, \tau$ and $i =
1, 2, 3$). When the matter parameter $a \equiv 2\sqrt{2} G^{}_{\rm F} N^{}_e E$
is taken as ... | [
{
"created": "Wed, 22 Apr 2020 13:45:48 GMT",
"version": "v1"
},
{
"created": "Tue, 14 Dec 2021 14:34:45 GMT",
"version": "v2"
}
] | 2022-01-06 | [
[
"Zhou",
"Shun",
""
]
] | Three-flavor neutrino oscillations in matter can be described by three effective neutrino masses $\widetilde{m}^{}_i$ (for $i = 1, 2, 3$) and the effective mixing matrix $V^{}_{\alpha i}$ (for $\alpha = e, \mu, \tau$ and $i = 1, 2, 3$). When the matter parameter $a \equiv 2\sqrt{2} G^{}_{\rm F} N^{}_e E$ is taken as an... |
1206.5481 | Hanqing Zheng | L. Y. Dai, X. G. Wang, H. Q. Zheng | Pole Analysis of Unitarized One Loop $\chi$PT Amplitudes - A Triple
Channel Study | Accepted for publication by Communications in Theoretical Physics | null | 10.1088/0253-6102/58/3/15 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In a previous paper (Commun. Theor. Phys. 57 (2012) 841), we proposed a
method to distinguish poles of different dynamical origin, in a unitarized
amplitude of $\pi\pi\, K\bar K$ system. That is based on the observation that
`A Breit-Wigner resonance should exhibit two poles on different Riemann sheets
which meet eac... | [
{
"created": "Sun, 24 Jun 2012 12:10:58 GMT",
"version": "v1"
}
] | 2015-06-05 | [
[
"Dai",
"L. Y.",
""
],
[
"Wang",
"X. G.",
""
],
[
"Zheng",
"H. Q.",
""
]
] | In a previous paper (Commun. Theor. Phys. 57 (2012) 841), we proposed a method to distinguish poles of different dynamical origin, in a unitarized amplitude of $\pi\pi\, K\bar K$ system. That is based on the observation that `A Breit-Wigner resonance should exhibit two poles on different Riemann sheets which meet each ... |
hep-ph/0701239 | Terekidi | Andrei G. Terekidi, Jurij W. Darewych, Marko Horbatsch | Hyperfine Structure and Zeeman Splitting in Two-Fermion Bound-State
Systems | 18 pages, 1 figure | null | null | null | hep-ph | null | A relativistic wave equation for bound states of two fermions with arbitrary
masses which are exposed to a magnetic field is derived from quantum
electrodynamics. The interaction kernels are based upon the generalized
invariant M-matrices for inter-fermion and fermion-field interactions. As an
application we calculat... | [
{
"created": "Sun, 28 Jan 2007 18:40:17 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Terekidi",
"Andrei G.",
""
],
[
"Darewych",
"Jurij W.",
""
],
[
"Horbatsch",
"Marko",
""
]
] | A relativistic wave equation for bound states of two fermions with arbitrary masses which are exposed to a magnetic field is derived from quantum electrodynamics. The interaction kernels are based upon the generalized invariant M-matrices for inter-fermion and fermion-field interactions. As an application we calculate ... |
hep-ph/0503043 | Volodymyr Magas | V.K. Magas, E. Oset, A. Ramos | Evidence for the two pole structure of the Lambda(1405) resonance | 4 pages, 6 figures | Phys.Rev.Lett.95:052301,2005 | 10.1103/PhysRevLett.95.052301 | null | hep-ph | null | The K^- p --> pi^0 pi^0 Sigma^0 reaction is studied within a chiral unitary
model. The distribution of pi^0 Sigma^0 states forming the Lambda(1405) shows,
in agreement with a recent experiment, a peak at 1420 MeV and a relatively
narrow width of Gamma = 38 MeV. The mechanism for the reaction is largely
dominated by t... | [
{
"created": "Fri, 4 Mar 2005 11:20:53 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Magas",
"V. K.",
""
],
[
"Oset",
"E.",
""
],
[
"Ramos",
"A.",
""
]
] | The K^- p --> pi^0 pi^0 Sigma^0 reaction is studied within a chiral unitary model. The distribution of pi^0 Sigma^0 states forming the Lambda(1405) shows, in agreement with a recent experiment, a peak at 1420 MeV and a relatively narrow width of Gamma = 38 MeV. The mechanism for the reaction is largely dominated by the... |
2210.14407 | Camilo Cort\'es Parra | C. Cortes-Parra, R. Martinez and J. S. Alvarado | Lepton masses in a non universal U(1) model with three families | null | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present an extension $U(1)_{X}$ to the Standard Model that reproduces the
lepton mass structures determined by the experiments. In the charged sector, we
introduced effective operators of dimension $n = 7$ to generate the mass of the
electron, which is null at tree-level due to the $X$ charge. In the neutral
secto... | [
{
"created": "Wed, 26 Oct 2022 01:19:46 GMT",
"version": "v1"
}
] | 2022-10-27 | [
[
"Cortes-Parra",
"C.",
""
],
[
"Martinez",
"R.",
""
],
[
"Alvarado",
"J. S.",
""
]
] | We present an extension $U(1)_{X}$ to the Standard Model that reproduces the lepton mass structures determined by the experiments. In the charged sector, we introduced effective operators of dimension $n = 7$ to generate the mass of the electron, which is null at tree-level due to the $X$ charge. In the neutral sector,... |
1201.6139 | Jacqueline A. Bonnet | Jacqueline A. Bonnet and Christian S. Fischer | Critical scaling of finite temperature QED_3 in anisotropic space-time | 7 pages, 6 figures v2: clarifications added, typos corrected, version
accepted by Phys. Lett. B | null | 10.1016/j.physletb.2012.11.004 | null | hep-ph cond-mat.supr-con hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the scaling behavior of the critical temperature of
anisotropic QED in 2+1 dimensions with respect to a variation of the number of
fermions N_f. To this end we determine the order parameter of the chiral
transition of the theory from a set of (truncated) Dyson-Schwinger equations
for the fermion propag... | [
{
"created": "Mon, 30 Jan 2012 09:36:54 GMT",
"version": "v1"
},
{
"created": "Fri, 9 Nov 2012 12:22:31 GMT",
"version": "v2"
}
] | 2012-11-12 | [
[
"Bonnet",
"Jacqueline A.",
""
],
[
"Fischer",
"Christian S.",
""
]
] | We investigate the scaling behavior of the critical temperature of anisotropic QED in 2+1 dimensions with respect to a variation of the number of fermions N_f. To this end we determine the order parameter of the chiral transition of the theory from a set of (truncated) Dyson-Schwinger equations for the fermion propagat... |
hep-ph/0408209 | Thomas D. Cohen | Aleksey Cherman, Thomas D. Cohen, Abhinav Nellore | The quantization of exotic states in SU(3) soliton models: A solvable
quantum mechanical analog | 8 pages; 3 figures; minor corrections; reference added | Phys.Rev. D70 (2004) 096003 | 10.1103/PhysRevD.70.096003 | null | hep-ph hep-th nucl-th | null | The distinction between the rigid rotor and Callan-Klebanov approaches to the
quantization of SU(3) solitons is considered in the context of exotic baryons.
A numerically tractable quantum mechanical analog system is introduced to test
the reliability of the two quantization schemes. We find that in the equivalent
of... | [
{
"created": "Wed, 18 Aug 2004 19:22:59 GMT",
"version": "v1"
},
{
"created": "Wed, 25 Aug 2004 15:35:55 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Cherman",
"Aleksey",
""
],
[
"Cohen",
"Thomas D.",
""
],
[
"Nellore",
"Abhinav",
""
]
] | The distinction between the rigid rotor and Callan-Klebanov approaches to the quantization of SU(3) solitons is considered in the context of exotic baryons. A numerically tractable quantum mechanical analog system is introduced to test the reliability of the two quantization schemes. We find that in the equivalent of t... |
2112.13580 | Xiu-Fei Li | Wei Chao, Huai-Ke Guo and Xiu-Fei Li | First Order Color Symmetry Breaking and Restoration Triggered by
Electroweak Symmetry Non-restoration | 7 pages, 3 figures | null | null | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we propose a new approach for the spontaneous breaking and
restoration of the $SU(3)_C$ color symmetry in the framework of electroweak
symmetry non-restoration (EWSNR) at high temperature, which provides an
alternative approach for the Baryogenesis. Due to the exotic high vacuum
expectation value (VEV) ... | [
{
"created": "Mon, 27 Dec 2021 09:03:33 GMT",
"version": "v1"
}
] | 2021-12-28 | [
[
"Chao",
"Wei",
""
],
[
"Guo",
"Huai-Ke",
""
],
[
"Li",
"Xiu-Fei",
""
]
] | In this paper we propose a new approach for the spontaneous breaking and restoration of the $SU(3)_C$ color symmetry in the framework of electroweak symmetry non-restoration (EWSNR) at high temperature, which provides an alternative approach for the Baryogenesis. Due to the exotic high vacuum expectation value (VEV) of... |
hep-ph/9805365 | Kimball A. Milton | Leonard Gamberg, George R. Kalbfleisch, and Kimball A. Milton | Difficulties with Photonic Searches for Magnetic Monopoles | 13 pages, 1 ps figure, REVTeX | null | null | OKHEP-98-02 | hep-ph | null | Recently, there have been proposals that the classic Euler-Heisenberg
Lagrangian together with duality could be employed to set limits on magnetic
monopoles having masses less than 1 TeV. The D0 collaboration at Fermilab has
used such a proposal to set mass limits based on the nonobservation of pairs of
photons each ... | [
{
"created": "Mon, 18 May 1998 19:13:50 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Gamberg",
"Leonard",
""
],
[
"Kalbfleisch",
"George R.",
""
],
[
"Milton",
"Kimball A.",
""
]
] | Recently, there have been proposals that the classic Euler-Heisenberg Lagrangian together with duality could be employed to set limits on magnetic monopoles having masses less than 1 TeV. The D0 collaboration at Fermilab has used such a proposal to set mass limits based on the nonobservation of pairs of photons each wi... |
2110.13204 | Maeve Madigan | Maeve Madigan and James Moore | Parton distributions in the SMEFT from high-energy Drell-Yan tails | Contribution to the proceedings of the European Physical Society
Conference on High Energy Physics (EPS-HEP2021), 26-30 July 2021 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a study of the interplay between PDF and EFT effects in high-mass
Drell-Yan at the LHC. We quantify the impact of a consistent joint
determination of the PDFs and Wilson coefficients on the bounds obtained on the
EFT and examine the effect on the PDFs, determining the extent to which EFT
signals could be r... | [
{
"created": "Mon, 25 Oct 2021 18:38:13 GMT",
"version": "v1"
}
] | 2021-10-27 | [
[
"Madigan",
"Maeve",
""
],
[
"Moore",
"James",
""
]
] | We present a study of the interplay between PDF and EFT effects in high-mass Drell-Yan at the LHC. We quantify the impact of a consistent joint determination of the PDFs and Wilson coefficients on the bounds obtained on the EFT and examine the effect on the PDFs, determining the extent to which EFT signals could be rea... |
hep-ph/9706316 | A. R. Zhitnitsky | E.V.Shuryak and A.R.Zhitnitsky | The gluon/charm content of the eta' meson and instantons | 6 pages, LATEX | Phys.Rev. D57 (1998) 2001-2004 | 10.1103/PhysRevD.57.2001 | NI 97033-NQF | hep-ph | null | Motivated by recent CLEO measurements of the B-->\eta' K decay, we evaluate
gluon/charm content of the eta' meson using the interacting instanton liquid
model of the QCD vacuum. Our result is very large due to the strong field of
small-size instantons. We show that it provides quantitative explanations of
the CLEO da... | [
{
"created": "Tue, 10 Jun 1997 14:54:56 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Shuryak",
"E. V.",
""
],
[
"Zhitnitsky",
"A. R.",
""
]
] | Motivated by recent CLEO measurements of the B-->\eta' K decay, we evaluate gluon/charm content of the eta' meson using the interacting instanton liquid model of the QCD vacuum. Our result is very large due to the strong field of small-size instantons. We show that it provides quantitative explanations of the CLEO data... |
1402.4776 | Joerg Jaeckel | Juergen Berges, and Joerg Jaeckel | Far from equilibrium dynamics of Bose-Einstein condensation for Axion
Dark Matter | 18 pages, 2 figures. v2 minor clarifications added | null | 10.1103/PhysRevD.91.025020 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Axions and similar very weakly interacting particles are increasingly
compelling candidates for the cold dark matter of the universe. Having very low
mass and being produced non-thermally in the early Universe, axions feature
extremely high occupation numbers. It has been suggested that this leads to the
formation of... | [
{
"created": "Wed, 19 Feb 2014 19:23:26 GMT",
"version": "v1"
},
{
"created": "Fri, 9 Jan 2015 13:34:45 GMT",
"version": "v2"
}
] | 2015-06-18 | [
[
"Berges",
"Juergen",
""
],
[
"Jaeckel",
"Joerg",
""
]
] | Axions and similar very weakly interacting particles are increasingly compelling candidates for the cold dark matter of the universe. Having very low mass and being produced non-thermally in the early Universe, axions feature extremely high occupation numbers. It has been suggested that this leads to the formation of a... |
1210.2385 | A. H. Rezaeian | Amir H. Rezaeian | CGC predictions for p+A collisions at the LHC and signature of QCD
saturation | 16 pages, 17 figures; v2: predictions/results unchanged, typos
corrected, references added, predictions for charged hadron multiplicity
distribution at various centralities in p+Pb collisions at 5.02 TeV added, a
note with comparison to the p+Pb data from the ALICE Collaboration added. The
version to appear in ... | Phys.Lett.B718:1058-1069,2013 | 10.1016/j.physletb.2012.11.066 | null | hep-ph hep-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present various predictions for the upcoming p+Pb collisions at \sqrt{S}=5
TeV within the color glass condensate (CGC) formalism, including single
inclusive charged hadron production, single inclusive prompt photon production,
direct photon production, charged hadron multiplicity distribution and
photon-hadron azi... | [
{
"created": "Mon, 8 Oct 2012 19:25:09 GMT",
"version": "v1"
},
{
"created": "Fri, 30 Nov 2012 21:19:05 GMT",
"version": "v2"
}
] | 2012-12-14 | [
[
"Rezaeian",
"Amir H.",
""
]
] | We present various predictions for the upcoming p+Pb collisions at \sqrt{S}=5 TeV within the color glass condensate (CGC) formalism, including single inclusive charged hadron production, single inclusive prompt photon production, direct photon production, charged hadron multiplicity distribution and photon-hadron azimu... |
2309.14214 | Matthias Steinhauser | Matthias Steinhauser | Analytic results for massive $2\to2$ processes | Contribution to the Proceedings of the 16th International Symposium
on Radiative Corrections: Applications of Quantum Field Theory to
Phenomenology (RADCOR2023), 28th May - 2nd June, 2023, Crieff, Scotland, UK | null | null | P3H-23-062, TTP23-037 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss recent (semi) analytic results for $2\to 2$ processes with massive
internal and external particles in various regions of phase space. In the
physical applications we restrict ourselves to $gg\to HH$.
| [
{
"created": "Mon, 25 Sep 2023 15:19:56 GMT",
"version": "v1"
}
] | 2023-09-26 | [
[
"Steinhauser",
"Matthias",
""
]
] | We discuss recent (semi) analytic results for $2\to 2$ processes with massive internal and external particles in various regions of phase space. In the physical applications we restrict ourselves to $gg\to HH$. |
hep-ph/9808311 | Inna Aznauryan | I.G.Aznauryan, S.G.Stepanyan | The P_33(1232) resonance contribution into the amplitudes
M_{1+}^{3/2},E_{1+}^{3/2},S_{1+}^{3/2} from an analysis of the p(e,e'p)\pi^0
data at Q^2 = 2.8, 3.2, and 4 (GeV/c)^2 within dispersion relation approach | null | Phys.Rev.D59:054009,1999 | 10.1103/PhysRevD.59.054009 | JLAB-THY-98-31 | hep-ph | null | Within the fixed-t dispersion relation approach we have analysed the TJNAF
and DESY data on the exclusive p(e,e'p)\pi^0 reaction in order to find the
P_{33}(1232) resonance contribution into the multipole amplitudes
M_{1+}^{3/2},E_{1+}^{3/2},S_{1+}^{3/2}. As an input for the resonance and
nonresonance contributions i... | [
{
"created": "Thu, 13 Aug 1998 03:13:35 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Aznauryan",
"I. G.",
""
],
[
"Stepanyan",
"S. G.",
""
]
] | Within the fixed-t dispersion relation approach we have analysed the TJNAF and DESY data on the exclusive p(e,e'p)\pi^0 reaction in order to find the P_{33}(1232) resonance contribution into the multipole amplitudes M_{1+}^{3/2},E_{1+}^{3/2},S_{1+}^{3/2}. As an input for the resonance and nonresonance contributions int... |
hep-ph/9209283 | Stephen Naculich | Stephen G. Naculich and Jonathan A. Bagger | Quantum Corrections to Deep Bags | Talk given at the XXVI Int. Conf. on High Energy Physics, August,
1992 LATEX file, 7 pages + 2 figures available upon request, JHU-TIPAC-920021 | null | 10.1063/1.43441 | null | hep-ph | null | Nontopological solitons, or ``bags,'' can arise when fermions acquire their
mass through a Yukawa coupling to some scalar field. Bags have played an
important role in models of baryons, nuclei, and more recently, in the idea
that a Higgs condensate may form around a very heavy top quark. It has been
claimed that deep... | [
{
"created": "Fri, 25 Sep 1992 22:51:00 GMT",
"version": "v1"
}
] | 2009-10-22 | [
[
"Naculich",
"Stephen G.",
""
],
[
"Bagger",
"Jonathan A.",
""
]
] | Nontopological solitons, or ``bags,'' can arise when fermions acquire their mass through a Yukawa coupling to some scalar field. Bags have played an important role in models of baryons, nuclei, and more recently, in the idea that a Higgs condensate may form around a very heavy top quark. It has been claimed that deep b... |
2211.09596 | Julia Panteleeva | J. Yu. Panteleeva, E. Epelbaum, J. Gegelia, U.-G. Mei{\ss}ner | Definition of gravitational local spatial densities for spin-0 and
spin-1/2 systems | null | Eur.Phys.J.C 83 (2023) 7, 617 | null | null | hep-ph hep-th nucl-th | http://creativecommons.org/licenses/by/4.0/ | We work out details of defining the spatial densities corresponding to the
gravitational form factors of spin-0 and spin-1/2 systems using spherically
symmetric sharply localized wave packets. The expressions for the spatial
densities are provided in the frames with both zero and non-zero expectation
values of the mo... | [
{
"created": "Thu, 17 Nov 2022 15:42:18 GMT",
"version": "v1"
},
{
"created": "Wed, 25 Jan 2023 09:16:22 GMT",
"version": "v2"
},
{
"created": "Mon, 17 Jul 2023 09:26:27 GMT",
"version": "v3"
}
] | 2023-07-18 | [
[
"Panteleeva",
"J. Yu.",
""
],
[
"Epelbaum",
"E.",
""
],
[
"Gegelia",
"J.",
""
],
[
"Meißner",
"U. -G.",
""
]
] | We work out details of defining the spatial densities corresponding to the gravitational form factors of spin-0 and spin-1/2 systems using spherically symmetric sharply localized wave packets. The expressions for the spatial densities are provided in the frames with both zero and non-zero expectation values of the mome... |
hep-ph/0603121 | Sandro Uccirati | Giampiero Passarino and Sandro Uccirati | Two-Loop Vertices in Quantum Field Theory: Infrared and Collinear
Divergent Configurations | 62 pages, 15 figures, 16 tables | Nucl.Phys. B747 (2006) 113-189 | 10.1016/j.nuclphysb.2006.04.014 | null | hep-ph | null | A comprehensive study is performed of two-loop Feynman diagrams with three
external legs which, due to the exchange of massless gauge-bosons, give raise
to infrared and collinear divergencies. Their relevance in assembling realistic
computations of next-to-next-to-leading corrections to physical observables is
emphas... | [
{
"created": "Thu, 16 Mar 2006 14:12:42 GMT",
"version": "v1"
}
] | 2009-11-11 | [
[
"Passarino",
"Giampiero",
""
],
[
"Uccirati",
"Sandro",
""
]
] | A comprehensive study is performed of two-loop Feynman diagrams with three external legs which, due to the exchange of massless gauge-bosons, give raise to infrared and collinear divergencies. Their relevance in assembling realistic computations of next-to-next-to-leading corrections to physical observables is emphasis... |
hep-ph/0410315 | Hai-Yang Cheng | Hai-Yang Cheng | Light Front Approach for Strong and Weak Decays of Pentaquarks | 3 pages, talk given at the 2004 DPF Meeting, Riverside, CA. Aug
26-31, 2004 | Int.J.Mod.Phys. A20 (2005) 3739-3741 | 10.1142/S0217751X05027473 | null | hep-ph | null | Strong and weak decays of pentaquarks are studied in the framework of the
light-front approach.
| [
{
"created": "Sat, 23 Oct 2004 06:22:50 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Cheng",
"Hai-Yang",
""
]
] | Strong and weak decays of pentaquarks are studied in the framework of the light-front approach. |
2309.04523 | Jaco ter Hoeve | Jaco ter Hoeve, Giacomo Magni, Juan Rojo, Alejo N. Rossia and Eleni
Vryonidou | The automation of SMEFT-Assisted Constraints on UV-Complete Models | 29+16 pages, 15 figures, 4 appendices. Open-source code is available
on http://lhcfitnikhef.github.io/smefit_release/ and
http://github.com/arossia94/match2fit | null | null | Nikhef 2023-011 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | The ongoing Effective Field Theory (EFT) program at the LHC and elsewhere is
motivated by streamlining the connection between experimental data and
UV-complete scenarios of heavy new physics beyond the Standard Model (BSM).
This connection is provided by matching relations mapping the Wilson
coefficients of the EFT t... | [
{
"created": "Fri, 8 Sep 2023 18:00:01 GMT",
"version": "v1"
},
{
"created": "Thu, 23 May 2024 08:40:18 GMT",
"version": "v2"
}
] | 2024-05-24 | [
[
"ter Hoeve",
"Jaco",
""
],
[
"Magni",
"Giacomo",
""
],
[
"Rojo",
"Juan",
""
],
[
"Rossia",
"Alejo N.",
""
],
[
"Vryonidou",
"Eleni",
""
]
] | The ongoing Effective Field Theory (EFT) program at the LHC and elsewhere is motivated by streamlining the connection between experimental data and UV-complete scenarios of heavy new physics beyond the Standard Model (BSM). This connection is provided by matching relations mapping the Wilson coefficients of the EFT to ... |
0706.2136 | Matthias Neubert | Matthias Neubert (Johannes Gutenberg University Mainz) | Factorization analysis for the fragmentation functions of hadrons
containing a heavy quark | 26 pages, 5 figures | null | null | MZ-TH/07-08 | hep-ph | null | Using methods of effective field theory, a systematic analysis of the
fragmentation functions D_{a/H}(x,m_Q) of a hadron H containing a heavy quark Q
is performed (with a=Q,Q_bar,q,q_bar,g). By integrating out pair production of
virtual and real heavy quarks, the fragmentation functions are matched onto a
single nonp... | [
{
"created": "Thu, 14 Jun 2007 14:46:12 GMT",
"version": "v1"
}
] | 2007-06-15 | [
[
"Neubert",
"Matthias",
"",
"Johannes Gutenberg University Mainz"
]
] | Using methods of effective field theory, a systematic analysis of the fragmentation functions D_{a/H}(x,m_Q) of a hadron H containing a heavy quark Q is performed (with a=Q,Q_bar,q,q_bar,g). By integrating out pair production of virtual and real heavy quarks, the fragmentation functions are matched onto a single nonper... |
hep-ph/0701219 | Andre Utermann | Daniel Boer, Andre Utermann, Erik Wessels | Compatibility of phenomenological dipole cross sections with the
Balitsky-Kovchegov equation | 14 pages, 8 figures. Extensive revisions, several new results, plots,
references and conclusions added; to appear in Phys.Rev.D | Phys.Rev.D75:094022,2007 | 10.1103/PhysRevD.75.094022 | null | hep-ph | null | Phenomenological models of the dipole cross section that enters in the
description of for instance deep inelastic scattering at very high energies
have had considerable success in describing the available small-x data in both
the saturation region and the so-called extended geometric scaling (EGS)
region. We investig... | [
{
"created": "Thu, 25 Jan 2007 17:00:20 GMT",
"version": "v1"
},
{
"created": "Thu, 3 May 2007 11:37:51 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Boer",
"Daniel",
""
],
[
"Utermann",
"Andre",
""
],
[
"Wessels",
"Erik",
""
]
] | Phenomenological models of the dipole cross section that enters in the description of for instance deep inelastic scattering at very high energies have had considerable success in describing the available small-x data in both the saturation region and the so-called extended geometric scaling (EGS) region. We investigat... |
hep-ph/0302261 | Mikhail Voloshin | M.B. Voloshin | The enhancement of the decay Upsilon(1D) -> eta Upsilon(1S) by the axial
anomaly in QCD | 11 pages | Phys.Lett. B562 (2003) 68-74 | 10.1016/S0370-2693(03)00537-9 | TPI-MINN-03/06-T, UMN-TH-2131-03 | hep-ph | null | It is shown that the rates of the decays Upsilon(1^3D_1) -> eta Upsilon(1S)
and Upsilon(1^3D_2) -> eta Upsilon(1S) should be comparable to and likely
exceed that of the recently discussed in the literature two-pion transition
Upsilon(1D) -> pi pi Upsilon(1S). The reason for this behavior is that the
discussed eta tra... | [
{
"created": "Thu, 27 Feb 2003 17:44:35 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Voloshin",
"M. B.",
""
]
] | It is shown that the rates of the decays Upsilon(1^3D_1) -> eta Upsilon(1S) and Upsilon(1^3D_2) -> eta Upsilon(1S) should be comparable to and likely exceed that of the recently discussed in the literature two-pion transition Upsilon(1D) -> pi pi Upsilon(1S). The reason for this behavior is that the discussed eta trans... |
hep-ph/9611350 | Sergey Goloskokov | S.V. Goloskokov | On Possible Study of Quark-Pomeron Coupling Structure at the COMPASS
spectrometer | 10 pages, latex, 6-Ps figures | Mod.Phys.Lett. A12 (1997) 173-182 | 10.1142/S0217732397000170 | null | hep-ph | null | We analyse the diffractive $Q \bar Q$ production and final jet kinematics in
polarized deep-inelastic lp scattering at $\sqrt{s}=20 GeV$. We show that this
reaction can be used in the new spectrometer of the COMPASS Collaboration at
CERN to study the quark-pomeron coupling structure.
| [
{
"created": "Mon, 18 Nov 1996 08:29:52 GMT",
"version": "v1"
}
] | 2015-06-25 | [
[
"Goloskokov",
"S. V.",
""
]
] | We analyse the diffractive $Q \bar Q$ production and final jet kinematics in polarized deep-inelastic lp scattering at $\sqrt{s}=20 GeV$. We show that this reaction can be used in the new spectrometer of the COMPASS Collaboration at CERN to study the quark-pomeron coupling structure. |
2402.00509 | Jannis Lang | Jannis Lang | Precise SMEFT predictions for di-Higgs production | Contribution to: "The Eleventh Annual Conference on Large Hadron
Collider Physics" (LHCP2023), 22-26 May 2023, Belgrade, Serbia | null | null | P3H-24-006 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We present results of precision calculations for di-Higgs production that
combine NLO QCD corrections with operators at canonical dimension six within
Standard Model Effective Field Theory (SMEFT). We discuss possible options for
operator contributions within a given EFT framework and sources of theory
uncertainties.... | [
{
"created": "Thu, 1 Feb 2024 11:22:14 GMT",
"version": "v1"
}
] | 2024-02-02 | [
[
"Lang",
"Jannis",
""
]
] | We present results of precision calculations for di-Higgs production that combine NLO QCD corrections with operators at canonical dimension six within Standard Model Effective Field Theory (SMEFT). We discuss possible options for operator contributions within a given EFT framework and sources of theory uncertainties. |
hep-ph/9306242 | null | K.S. Babu and S.M. Barr | Natural Suppression of Higgsino-Mediated Proton Decay in Supersymmetric
SO(10) | 39 pages (3 Feynman graphs not included), in Plain LaTeX, BA-93-26 | Phys.Rev.D48:5354-5364,1993 | 10.1103/PhysRevD.48.5354 | null | hep-ph | null | In supersymmetric Grand Unified Theories, proton decay mediated by the
color--triplet higgsino is generally problematic and requires some fine--tuning
of parameters. We present a mechanism which naturally suppresses such dimension
5 operators in the context of SUSY $SO(10)$. The mechanism, which implements
natural do... | [
{
"created": "Mon, 7 Jun 1993 20:38:18 GMT",
"version": "v1"
}
] | 2011-05-12 | [
[
"Babu",
"K. S.",
""
],
[
"Barr",
"S. M.",
""
]
] | In supersymmetric Grand Unified Theories, proton decay mediated by the color--triplet higgsino is generally problematic and requires some fine--tuning of parameters. We present a mechanism which naturally suppresses such dimension 5 operators in the context of SUSY $SO(10)$. The mechanism, which implements natural doub... |
1312.4010 | Kai Wang | Kai Wang and Guohuai Zhu (Zhejiang U.) | Higgs Precision Measurements and Flavor Physics: A Supersymmetric
Example | Review for Chinese Science Bulletin and CEPC SPPC Proposal | Chin.Sci.Bull. 59 (2014) 3703-3708 | 10.1007/s11434-014-0390-7 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | [Review for "Chinese Science Bulletin" and CEPC+SPPC Proposal] Rare decays in
flavor physics often suffer from Helicity suppress and Loop suppress. Helicity
flip is a direct consequence of chiral $U(3)$ symmetry breaking and electroweak
symmetry breaking. The identical feature is also shared by the mass generation
of... | [
{
"created": "Sat, 14 Dec 2013 07:02:30 GMT",
"version": "v1"
}
] | 2014-10-07 | [
[
"Wang",
"Kai",
"",
"Zhejiang U."
],
[
"Zhu",
"Guohuai",
"",
"Zhejiang U."
]
] | [Review for "Chinese Science Bulletin" and CEPC+SPPC Proposal] Rare decays in flavor physics often suffer from Helicity suppress and Loop suppress. Helicity flip is a direct consequence of chiral $U(3)$ symmetry breaking and electroweak symmetry breaking. The identical feature is also shared by the mass generation of S... |
1501.05959 | Karoly Urmossy | K. Urmossy, T. S. Bir\'o, G. G. Barnaf\"oldi and Z. Xu | $v_2$ of charged hadrons in a`soft + hard' model for PbPb collisions at
$\sqrt s$ = 2.76 ATeV | Contribution to the proceedings of the conference "Workshop on
Particle Correlation and Femtoscopy 2014".
https://indico.cern.ch/event/300974/ | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We describe transverse spectra as well as azimuthal anisotropy ($v_2$) of
charged hadrons stemming from various centrality PbPb collisions at $\sqrt s$ =
2.76 ATeV analytically in a `soft + hard' model. In this model, we propose that
hadron yields produced in heavy-ion collisions are simply the sum of yields
stemming... | [
{
"created": "Fri, 16 Jan 2015 22:33:24 GMT",
"version": "v1"
}
] | 2015-01-27 | [
[
"Urmossy",
"K.",
""
],
[
"Biró",
"T. S.",
""
],
[
"Barnaföldi",
"G. G.",
""
],
[
"Xu",
"Z.",
""
]
] | We describe transverse spectra as well as azimuthal anisotropy ($v_2$) of charged hadrons stemming from various centrality PbPb collisions at $\sqrt s$ = 2.76 ATeV analytically in a `soft + hard' model. In this model, we propose that hadron yields produced in heavy-ion collisions are simply the sum of yields stemming f... |
hep-ph/9601229 | null | M. Kachelriess | Unstable states in QED of strong magnetic fields | Revtex, 7 pages. To appear in Phys. Rev. D53(2) | Phys.Rev. D53 (1996) 974-979 | 10.1103/PhysRevD.53.974 | null | hep-ph astro-ph | null | We question the use of stable asymptotic scattering states in QED of strong
magnetic fields. To correctly describe excited Landau states and photons above
the pair creation threshold the asymptotic fields are chosen as generalized
Licht fields. In this way the off-shell behavior of unstable particles is
automatically... | [
{
"created": "Tue, 9 Jan 1996 10:55:49 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Kachelriess",
"M.",
""
]
] | We question the use of stable asymptotic scattering states in QED of strong magnetic fields. To correctly describe excited Landau states and photons above the pair creation threshold the asymptotic fields are chosen as generalized Licht fields. In this way the off-shell behavior of unstable particles is automatically t... |
hep-ph/0611029 | Simon Albino | S. Albino, B. A. Kniehl, G. Kramer, C. Sandoval | Confronting fragmentation function universality with single hadron
inclusive production at HERA and $e^+ e^-$ colliders | null | Phys.Rev.D75:034018,2007 | 10.1103/PhysRevD.75.034018 | DESY 06-197 | hep-ph | null | Predictions for light charged hadron production data in the current
fragmentation region of deeply inelastic scattering from the H1 and ZEUS
experiments are calculated using perturbative Quantum Chromodynamics at
next-to-leading order, and using fragmentation functions obtained by fitting to
similar data from $e^+ e^... | [
{
"created": "Thu, 2 Nov 2006 15:18:05 GMT",
"version": "v1"
},
{
"created": "Mon, 5 Feb 2007 14:16:05 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Albino",
"S.",
""
],
[
"Kniehl",
"B. A.",
""
],
[
"Kramer",
"G.",
""
],
[
"Sandoval",
"C.",
""
]
] | Predictions for light charged hadron production data in the current fragmentation region of deeply inelastic scattering from the H1 and ZEUS experiments are calculated using perturbative Quantum Chromodynamics at next-to-leading order, and using fragmentation functions obtained by fitting to similar data from $e^+ e^-$... |
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