Showing 2012 · hep-phShow all

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hep-ph2012

Open heavy flavor and J/psi at RHIC and LHC within a transport model

Jan Uphoff, Oliver Fochler, Zhe Xu +1

The production and space-time evolution of heavy quarks and J/psi in the quark gluon plasma is studied within the partonic transport model Boltzmann Approach to MultiParton Scatter…

hep-ph2012★ 78 cited

Lepton Number Violation and W' Chiral Couplings at the LHC

Tao Han, Ian Lewis, Richard Ruiz +1

We study the observability for a heavy Majorana neutrino N along with a new charged gauge boson W' at the LHC. We emphasize the complementarity of these two particles in their prod…

hep-ph2012★ 19 cited

Relativistic Correction to Charmonium Dissociation Temperature

Xingyu Guo, Shuzhe Shi, Pengfei Zhuang

By solving the covariant relativistic Schrödinger equations for a pair of heavy quarks, we obtained the wave functions for the ground and excited quarkonium states at finite temper…

hep-ph2012★ 3 cited

The FSI contribution to the observed decays into and

Xu-Hao Yuan, Hong-Wei Ke, Xiang Liu +1

Because at the tree level is Cabibbo-triple suppressed, so its branching ratio should be smaller than that of . The measurements present a r…

hep-ph2012★ 10 cited

Open heavy flavor and J/psi at RHIC and LHC

Jan Uphoff, Oliver Fochler, Zhe Xu +1

The suppression and collective flow of open and hidden heavy flavor in ultra-relativistic heavy ion collisions is studied with the partonic transport model Boltzmann Approach to Mu…

hep-ph2012★ 24 cited

Functional Renormalization for Chiral and U_A(1) Symmetries at Finite Temperature

Yin Jiang, Pengfei Zhuang

We investigated the chiral symmetry and U_A(1) anomaly at finite temperature by applying the functional renormalization group to the SU(3) linear sigma model. Expanding the local p…

hep-ph2012★ 47 cited

Minimal Dilaton Model

Tomohiro Abe, Ryuichiro Kitano, Yasufumi Konishi +3

We construct a minimal calculable model of a light dilaton based on the scenario where only top and Higgs sectors are involved in a quasiconformal dynamics. The model consistently…

hep-ph2012★ 58 cited

and weak decays in the light-front quark model

Hong-Wei Ke, Xu-Hao Yuan, Xue-Qian Li +2

The successful operation of LHC provides a great opportunity to study the processes where heavy baryons are involved. {In this work we mainly study} the weak transitions of $Σ_b\to…

hep-ph2012

RHIC and LHC phenomena with an unified parton transport

Ioannis Bouras, Andrej El, Oliver Fochler +6

We discuss recent applications of the partonic pQCD based cascade model BAMPS with focus on heavy-ion phenomeneology in hard and soft momentum range. The nuclear modification facto…

hep-ph2012★ 67 cited

LHC Higgs Signatures from Extended Electroweak Gauge Symmetry

Tomohiro Abe, Ning Chen, Hong-Jian He

We study LHC Higgs signatures from the extended electroweak gauge symmetry SU(2) x SU(2) x U(1). Under this gauge structure, we present an effective UV completion of the 3-site moo…

hep-ph2012★ 12 cited

Discovering Strong Top Dynamics at the LHC

R. Sekhar Chivukula, Baradhwaj Coleppa, Pawin Ittisamai +4

We analyze the phenomenology of the top-pion and top-Higgs states in models with strong top dynamics, and translate the present LHC searches for the Standard Model Higgs into bound…

hep-ph2012★ 176 cited

Open heavy flavor in Pb+Pb collisions at sqrt(s)=2.76 TeV within a transport model

Jan Uphoff, Oliver Fochler, Zhe Xu +1

The space-time evolution of open heavy flavor is studied in Pb+Pb collisions at sqrt(s)=2.76 TeV using the partonic transport model Boltzmann Approach to MultiParton Scatterings (B…

hep-ph2012★ 3 cited

Leptonic anomalous gauge couplings detection on electron positron colliders

Sheng-Zhi Zhao, Bin Zhang

We studied the dimension-6 leptonic anomalous gauge couplings in the formulation of linearly realized gauge symmetry effective Lagrangian and investigated the constraints on these…

hep-ph2012★ 39 cited

Is a Molecular State?

Hong-Wei Ke, Xue-Qian Li, Yan-Liang Shi +2

Whether molecular states indeed exist in nature has been disputed for a long time. Several new resonances have been observed in the recent experiments and they seem to be of exotic…

hep-ph2012★ 66 cited

LHC Signatures of Two-Higgs-Doublets with Fourth Family

Ning Chen, Hong-Jian He

On-going Higgs searches in the light mass window are of vital importance for testing the Higgs mechanism and probing new physics beyond the standard model (SM). The latest ATLAS an…

hep-ph2012★ 7 cited

GeV Scale Asymmetric Dark Matter from Mirror Universe: Direct Detection and LHC Signatures

Jian-Wei Cui, Hong-Jian He, Lan-Chun Lv +1

Mirror universe is a fundamental way to restore parity symmetry in weak interactions. It naturally provides the lightest mirror nucleon as a unique GeV-scale asymmetric dark matter…

hep-ph2012★ 63 cited

Octahedral Symmetry with Geometrical Breaking: New Prediction for Neutrino Mixing Angle theta_{13} and CP Violation

Hong-Jian He, Xun-Jie Xu

We propose octahedral group O_h as the family symmetry of neutrino-lepton sector. We find that O_h contains subgroups Z_2(mu-tau) x Z_2(solar) and Z_4^l for realizing the bimaximal…

hep-ph2012★ 12 cited

Computation of the order low-energy constants with tensor sources

Shao-Zhou Jiang, Qing Wang

We present the results of calculations of the and order low-energy constants for the chiral Lagrangian with tensor sources for both two and three flavors of pseudoscala…

hep-ph2012★ 19 cited

Vector WIMP Miracle

Tomohiro Abe, Mitsuru Kakizaki, Shigeki Matsumoto +1

Weakly interacting massive particle (WIMP) is well known to be a good candidate for dark matter, and it is also predicted by many new physics models beyond the standard model at th…

hep-ph2012★ 8 cited

Meson Scattering in a Pion Superfluid

Shijun Mao, Pengfei Zhuang

Instead of the fermion-fermion scattering which identifies the BCS-BEC crossover in cold atom systems, boson-boson scattering is measurable and characterizes the BCS-BEC crossover…

hep-ph2012★ 5 cited

Testing Anomalous Color-Electric Dipole Moment of the c-Quark from psi'->J/psi+pi(+)+pi(-) at Beijing Spectrometer

Yu-Ping Kuang, Jian-Ping Ma, Otto Nachtamnn +2

If the c-quark has an anomalous color-electric dipole moment (CEDM), it may serve as a new source of CP violation. The strength of such a CP violation depends on the size of the CE…

hep-ph2012★ 13 cited

Constraints on Non-Commutative Physics Scale with Neutrino-Electron Scattering

S. Bilmis, M. Deniz, H. B. Li +8

Neutrino-electron scatterings () are purely leptonic processes with robust Standard Model (SM) predictions. Their measurements can therefore provide constraints to physics be…