Showing 2013 · hep-phShow all

22 papers · 2 filters

hep-ph2013★ 25 cited

LHC Searches for The Heavy Higgs Boson via Two B Jets plus Diphoton

Ning Chen, Chun Du, Yaquan Fang +1

Extra scalar fields are common in beyond Standard Model (SM) new physics, and they may mix with the 125 GeV SM-like Higgs boson discovered at the LHC. This fact suggests possible d…

hep-ph2013★ 16 cited

Higgs Bosons from Top Quark Decays

Tao Han, Richard Ruiz

In light of the discovery of a Standard Model (SM)-like Higgs boson () at the LHC, we investigate the top quark to Higgs boson transition , which is the le…

hep-ph2013

Survival of New Physics: An Anomaly-free Neutral Gauge Boson at the LHC

Ying Zhang, Qing Wang

An anomaly-free effective Lagrangian as the most common new physics beyond the standard model is proposed to survey the maximal parameter space constrained by electroweak p…

hep-ph2013★ 23 cited

Connecting Leptonic Unitarity Triangle to Neutrino Oscillation

Hong-Jian He, Xun-Jie Xu

Leptonic unitarity triangle (LUT) provides a geometric description of CP violations in the lepton-neutrino sector and is directly measurable in principle. In this work, we reveal t…

hep-ph2013★ 3 cited

Heavy vs. light flavor energy loss within a partonic transport model

Jan Uphoff, Oliver Fochler, Zhe Xu +1

The full space-time evolution of gluons, light and heavy quarks in ultra-relativistic heavy-ion collisions is studied within the partonic transport model Boltzmann Approach to Mult…

hep-ph2013★ 11 cited

Momentum imbalance of D mesons in ultra-relativistic heavy-ion collisions at LHC

Jan Uphoff, Florian Senzel, Zhe Xu +1

As a new observable for heavy flavor correlations the momentum imbalance of D mesons is proposed. It is defined analogously to the jet momentum imbalance of fully recon…

hep-ph2013★ 166 cited

Natural Electroweak Symmetry Breaking from Scale Invariant Higgs Mechanism

Arsham Farzinnia, Hong-Jian He, Jing Ren

We construct a minimal viable extension of the standard model (SM) with classical scale symmetry. Its scalar sector contains a complex singlet in addition to the SM Higgs doublet.…

hep-ph2013

Top Quark Forward-Backward Asymmetry in the Little Higgs Model

Xing-Dao Guo, Yin-Jie Zhang, Shu-Min Zhao +3

We calculate the forward backward asymmetry of the top-pair production at TEVATRON up to next to leading order (NLO) in the little Higgs model (LHM). We find that the contribution…

hep-ph2013★ 19 cited

Triplet with a doubly-charged lepton at the LHC

Teng Ma, Bin Zhang, Giacomo Cacciapaglia

We studied the signatures of an electroweak SU(2) lepton triplet which contains a doubly charged heavy lepton. The most interesting and easily detected final states are originating…

hep-ph2013★ 39 cited

Influence of multiple in-medium scattering processes on the momentum imbalance of reconstructed di-jets

Florian Senzel, Oliver Fochler, Jan Uphoff +2

Experimental data measured in sqrt(s)=2.76 TeV Pb+Pb collisions at the LHC show a significant enhancement of events with an unbalanced pair of reconstructed jet momenta in comparis…

hep-ph2013★ 5 cited

The Study of Rare Decays

Wan-Li Ju, Guo-Li Wang, Hui-Feng Fu +2

In this paper, we study rare decays within the Standard Model. The penguin, box, annihilation, color-favored cascade and color-suppressed cas…

hep-ph2013★ 78 cited

Three-flavor Nambu--Jona-Lasinio model at finite isospin chemical potential

Tao Xia, Lianyi He, Pengfei Zhuang

QCD at finite isospin chemical potential possesses a positively definite fermion determinant and the lattice simulation can be successfully performed. While the two-f…

hep-ph2013★ 28 cited

Non-Decoupling MSSM Higgs Sector and Light Superpartners

Tao Han, Tong Li, Shufang Su +1

In the ``non-decoupling'' region of the Higgs sector in MSSM, the heavier CP-even Higgs boson (H^0) is Standard-Model-like and close to the charged Higgs bosons (H^\pm) in mass, wh…

hep-ph2013★ 69 cited

LHC Higgs Signatures from Topflavor Seesaw Mechanism

Xu-Feng Wang, Chun Du, Hong-Jian He

We study LHC Higgs signatures from topflavor seesaw realization of electroweak symmetry breaking with a minimal gauge extension SU(2) x SU(2) x U(1). This elegant renormalizable co…

hep-ph2013★ 53 cited

Gravitational Interaction of Higgs Boson and Weak Boson Scattering

Zhong-Zhi Xianyu, Jing Ren, Hong-Jian He

With the LHC discovery of a 125 GeV Higgs-like boson, we study gravitational interaction of the Higgs boson via the unique dimension-4 operator involving Higgs doublet and scalar c…

hep-ph2013★ 36 cited

Hadron Collider Production of Massive Color-Octet Vector Bosons at Next-to-Leading Order

R. Sekhar Chivukula, Arsham Farzinnia, Jing Ren +1

This paper completes the study of the next-to-leading order (NLO) QCD corrections to massive color-octet vector boson production at the LHC and Tevatron. The massive color-octet ve…

hep-ph2013

Minimal Ward-Takahashi Vertices and Pion Light Cone Distribution Amplitudes from Gauge Invariant, Nonlocal, Dynamical Quark Model

Chuan Li, Shao-Zhou Jiang, Qing Wang

The gauge-invariant, nonlocal, dynamical quark model is proved to generate the minimal vertices which satisfy the Ward-Takahashi identities. In the chiral limit, the momentum-depen…

hep-ph2013★ 4 cited

Coloron Models and LHC Phenomenology

Elizabeth H. Simmons, Anupama Atre, R. Sekhar Chivukula +4

This talk discusses the possibility of new physics within the strong gauge interactions, specifically the idea of an extended color gauge group that is spontaneously broken to QCD.…

hep-ph2013★ 6 cited

Conserved Charge Fluctuations and Susceptibilities in Strongly Interacting Matter

Shuzhe Shi, Jinfeng Liao

We study the conserved charge fluctuations, as quantified by the corresponding susceptibilities, in strongly interacting matter as motived by the quark-gluon plasma. Using the gaug…

hep-ph2013★ 59 cited

Radiative parton processes in perturbative QCD - an improved version of the Gunion and Bertsch cross section from comparisons to the exact result

Oliver Fochler, Jan Uphoff, Zhe Xu +1

In this work we compare the Gunion-Bertsch approximation of the leading order perturbative QCD radiation matrix element to the exact result. To this end, we revisit the derivation…

hep-ph2013★ 9 cited

Spontaneous Spacetime Reduction and Unitary Weak Boson Scattering at the LHC

Hong-Jian He, Zhong-Zhi Xianyu

Theories of quantum gravity predict spacetime dimensions to become reduced at high energies, a striking phenomenon known as spontaneous dimensional reduction (SDR). We construct an…

hep-ph2013★ 36 cited

Investigation of Heat Conductivity in Relativistic Systems using a Partonic Cascade

M. Greif, F. Reining, I. Bouras +3

Motivated by the classical picture of heat flow we construct a stationary temperature gradient in a relativistic microscopic transport model. Employing the relativistic Navier-Stok…