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Within the framework of chiral effective field theory, we study various electromagnetic processes with light vector resonances: $K^{\ast}(892)\to K\gamma$, $e^{+}e^{-}\to K^{\ast}(892)K $ and the $\omega\pi\gamma^\ast$ form factors. With…

High Energy Physics - Phenomenology · Physics 2014-11-06 Yun-Hua Chen , Zhi-Hui Guo , Han-Qing Zheng

We computationally study the frictional properties of sheared granular media subjected to harmonic vibration applied at the boundary. Such vibrations are thought to play an important role in weakening flows, yet the independent effects of…

Soft Condensed Matter · Physics 2023-03-29 Abram H. Clark , H. John Nasrin , Stephanie E. Taylor , Emily E. Brodsky

Systematic studies of charge-dependent two- and three-particle correlations in Pb-Pb collisions at $\sqrt{\it{s}_\mathrm{{NN}}} = $ 2.76 and 5.02 TeV used to probe the Chiral Magnetic Effect (CME) are presented. These measurements are…

Nuclear Experiment · Physics 2022-04-07 ALICE Collaboration

The chiral magnetic effect (CME) refers to a predicted phenomena in quantum chromodynamics that manifests as a charge separation along an external magnetic field, driven by an imbalance of quark chirality. Searches for the CME has been…

Nuclear Experiment · Physics 2026-03-18 Wei Li , Qiye Shou , Fuqiang Wang

Measurements of longitudinal flow decorrelations for charged particles are presented in the pseudorapidity range $|\eta| < 1$ using a reference detector at 2.1 $< |\eta_{\mathrm{ref}}| <$ 5.1 in Au+Au collisions at $\sqrt{s_{NN}}$ = 27 GeV…

Nuclear Experiment · Physics 2021-02-03 Maowu Nie

It is known that resonance decays influence the shape of the charge-balance functions measured in hadronic collisions. That is reflected in their rapidity and azimuthal widths and the integral, and therefore has consequences for different…

Nuclear Theory · Physics 2019-07-09 Igor Altsybeev

The presence of large-mass resonances in the data collected at the Large Hadron Collider would provide direct evidence of physics beyond the Standard Model. A key challenge in current resonance searches at the LHC is the modelling of…

High Energy Physics - Phenomenology · Physics 2021-01-12 Stefano Frixione , Lydia Roos , Edmund Ting , Eleni Vryonidou , Martin White , Anthony G. Williams

Relativistic heavy-ion collisions provide an ideal environment to study the emergent phenomena in quantum chromodynamics (QCD). The chiral magnetic effect (CME) is one of the most interesting, arising from the topological charge…

Nuclear Experiment · Physics 2018-05-11 Jie Zhao

A method is presented for the reconstruction of both the background and signal in invariant-mass analyses for two-photon decays. The procedure does not make use of event mixing techniques and as such is based exclusively on an…

High Energy Physics - Phenomenology · Physics 2009-11-07 Nick van Eijndhoven , Wouter Wetzels

We present the first comprehensive study of dilepton production from a hot, magnetized quark-gluon plasma in heavy-ion collisions (HIC), incorporating realistic, time-dependent, and spatially inhomogeneous magnetic field profiles within an…

High Energy Physics - Phenomenology · Physics 2025-08-22 Ankit Kumar Panda , Aritra Das , Ashutosh Dash , Aritra Bandyopadhyay , Chowdhury Aminul Islam

Quark interactions with topological gluon configurations can induce chirality imbalance and local parity violation in quantum chromodynamics. This can lead to electric charge separation along the strong magnetic field in relativistic…

Nuclear Experiment · Physics 2019-09-25 STAR collaboration

We show that in hydrodynamic simulations for relativistic heavy-ion collisions, strong resonance decay calculations can be performed with fewer species of particle resonances while preserving good accuracy in single particle spectra and…

Nuclear Theory · Physics 2013-05-14 Zhi Qiu , Chun Shen , Ulrich W. Heinz

The influence of resonance decays on the elliptic flows of stable hadrons is studied in the quark coalescence model. Although difference between the elliptic flow of pions from resonance decays, except the rho meson, and that of directly…

Nuclear Theory · Physics 2009-11-10 V. Greco , C. M. Ko

The energy dependence of the local ${\cal P}$ and ${\cal CP}$ violation in Au+Au and Cu+Cu collisions in a large energy range is estimated within a simple phenomenological model. It is expected that at LHC the chiral magnetic effect will be…

Nuclear Theory · Physics 2017-08-23 V. Toneev , V. Voronyuk

We consider the energy dependence of the local ${\cal P}$ and ${\cal CP}$ violation in Au+Au and Cu+Cu collisions over a large energy range within a simple phenomenological model. It is expected that at LHC the chiral magnetic effect will…

Nuclear Theory · Physics 2015-05-20 V. D. Toneev , V. Voronyuk

Chiral magnetic effect (CME) is a macroscopic transport phenomenon induced by quantum anomaly in the presence of chiral imbalance and an external magnetic field. Relativistic heavy ion collisions provide the unique opportunity to look for…

Nuclear Theory · Physics 2022-11-29 Dmitri E. Kharzeev , Jinfeng Liao , Shuzhe Shi

We study the influence of the chiral phase transition on the chiral magnetic effect. The chiral electric current density along the magnetic field, the electric charge difference between on each side of the reaction plane, and the azimuthal…

High Energy Physics - Phenomenology · Physics 2015-05-18 Wei-jie Fu , Yu-xin Liu , Yue-liang Wu

The cold ion limit of the local gyrokinetic model is rigorously taken to produce a nonlinear system of fluid equations that includes background flow shear. No fluid closure is required. By considering a simple slab geometry with magnetic…

Plasma Physics · Physics 2019-05-13 Justin Ball , Stephan Brunner , Ben F. McMillan

The chiral magnetic effect (CME) is a highly discussed effect in heavy-ion collisions stating that, in the presence of a magnetic field B, an electric current is generated in the background of topologically nontrivial gluon fields. We…

High Energy Physics - Theory · Physics 2013-01-29 Ingo Kirsch , Tigran Kalaydzhyan

Two-particle azimuthal correlations in central Au+Au collisional at RHIC have revealed a broadened away-side structure, with respect to perpherial Au+Au, pp, and d+Au. This could be explained by different physics mechanisms such as: large…

Nuclear Experiment · Physics 2008-11-26 Jason Glyndwr Ulery
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