English
Related papers

Related papers: Background evaluations for the chiral magnetic eff…

200 papers

The chiral magnetic effect (CME) is a macroscopic transport effect resulting from the chiral anomaly. We review the recent progress in theoretical understanding the properties of chiral plasmas, in which the CME and other anomaly-induced…

High Energy Physics - Phenomenology · Physics 2018-03-14 Yuji Hirono

The search of chiral magnetic effect (CME) in heavy-ion collisions has attracted long-term attentions. Multiple observables have been proposed but all suffer from obstacles due to large background contaminations. In this Letter, we…

High Energy Physics - Phenomenology · Physics 2022-11-23 Yuan-Sheng Zhao , Lingxiao Wang , Kai Zhou , Xu-Guang Huang

The Chiral Magnetic Effect (CME) is a fundamental prediction of QCD, and various observables have been proposed in heavy ion collisions to access this physics. Recently the CMS Collaboration \cite{Khachatryan:2016got} has reported results…

Nuclear Theory · Physics 2017-08-16 R. Belmont , J. L. Nagle

We study the time evolution of the chirality imbalance $n_5$ and the chiral magnetic effect (CME) under the external parallel electromagnetic fields without assuming the artificial chiral asymmetric source. We adopt the time-dependent…

High Energy Physics - Phenomenology · Physics 2021-02-10 Hayato Aoi , Katsuhiko Suzuki

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

The quark-gluon matter produced in relativistic heavy-ion collisions may contain local domains in which P and CP symmetries are not preserved. When coupled with an external magnetic field, such P- and CP-odd domains will generate electric…

Nuclear Theory · Physics 2016-11-02 Wei-Tian Deng , Xu-Guang Huang , Guo-Liang Ma , Gang Wang

The observation of the Chiral Magnetic Effect (CME) in heavy-ion collisions remains challenging because of large flow-induced backgrounds and experimental constraints. We demonstrate that the forward-backward multiplicity asymmetry (FBMA)…

Nuclear Theory · Physics 2026-04-07 Kaiser Shafi , Sandeep Chatterjee

Matter with chiral fermions is microscopically described by theory with quantum anomaly and macroscopically described (at low energy) by anomalous hydrodynamics. For such systems in the presence of external magnetic field and chirality…

Nuclear Theory · Physics 2016-03-10 Yi Yin , Jinfeng Liao

Based on the chiral kinetic approach using quarks and antiquarks from a multiphase transport model as initial conditions, we study the chiral magnetic effect, i.e., the magnetic field induced separation of charged particles in the…

Nuclear Theory · Physics 2018-08-01 Yifeng Sun , Che Ming Ko

Employing a two-band model of Weyl semimetal, the existence of the chiral magnetic effect (CME) is established within the linear-response theory. The crucial role played by the limiting procedure in deriving correct transport properties is…

Mesoscale and Nanoscale Physics · Physics 2015-03-18 Ming-Che Chang , Min-Fong Yang

When searching for anomalous chiral effects in heavy-ion collisions, one of the most crucial points is the relationship between the signal and the background. In this letter, we present a simulation in a modified blast wave model at LHC…

Chiral Magnetic Effect (CME) is the macroscopic manifestation of the fundamental chiral anomaly in a many-body system of chiral fermions, and emerges as anomalous transport current in hydrodynamic framework. Experimental observation of CME…

Nuclear Theory · Physics 2019-03-20 Shuzhe Shi , Yin Jiang , Elias Lilleskov , Jinfeng Liao

Isobar collisions which were thought to have the same background and different magnetic fields provide an opportunity to verify the chiral magnetic effect (CME) in relativistic heavy-ion collisions. However, the first result from the…

Nuclear Theory · Physics 2022-09-23 Xin-Li Zhao , Guo-Liang Ma

The energy dependence of observable two particle correlator in search for the local strong parity violation in Au+Au collisions is estimated within a simple phenomenological model. The model reproduces available RHIC data but at LHC…

Nuclear Theory · Physics 2011-11-29 V. D. Toneev , V. Voronyuk

We report on our recent attempt of quantitative modeling of the Chiral Magnetic Effect (CME) in heavy-ion collisions. We perform 3+1 dimensional anomalous hydrodynamic simulations on an event-by-event basis, with constitutive equations that…

High Energy Physics - Phenomenology · Physics 2016-11-23 Yuji Hirono , Tetsufumi Hirano , Dmitri E. Kharzeev

Recently there has been significant interest in the macroscopic manifestation of chiral anomaly in many-body systems of chiral fermions. A notable example is the Chiral Magnetic Effect (CME). Enthusiastic efforts have been made to search…

High Energy Physics - Phenomenology · Physics 2018-02-06 Anping Huang , Yin Jiang , Shuzhe Shi , Jinfeng Liao , Pengfei Zhuang

A quark interaction with topologically nontrivial gluonic fields, instantons and sphalerons, violates \P~ and \CP~ symmetry. In the strong magnetic field of a noncentral nuclear collision such interactions lead to the charge separation…

Nuclear Theory · Physics 2010-10-27 Sergei A. Voloshin

We present the first study of the Chiral Magnetic Effect (CME) using transverse spherocity as an event-shape classifier in Pb+Pb collisions at $\sqrt{s_{NN}} = 5.02$ TeV, simulated with the A Multi-Phase Transport (AMPT) model with a…

Nuclear Experiment · Physics 2026-04-08 Somdeep Dey , Abhisek Saha

The response of chiral fermions to time and space dependent axial imbalance & constant magnetic field is analyzed. The axialvector-vector-vector (AVV) three-point function is studied using a real-time approach at finite temperature in the…

High Energy Physics - Phenomenology · Physics 2020-05-01 Miklos Horvath , Defu Hou , Jinfeng Liao , Hai-cang Ren

The Chiral Magnetic Effect (CME) is predicted for mid-peripheral Au-Au collisions $\sqrt{s_{NN}}$=200 GeV at RHIC. However many backgrounds can give signals that make the measurement hard to interpret. The STAR experiment has made a…

Nuclear Theory · Physics 2011-12-12 Ron Longacre