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The Chiral Magnetic Wave (CMW) [1] predicts a dependence of the positive and negative particle elliptic flow on the event charge asymmetry. Such a dependence has been observed by the STAR Collaboration [2]. However, it is rather difficult…

Nuclear Experiment · Physics 2015-06-22 Sergei A. Voloshin , Ronald Belmont

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

The (3+1)D relativistic hydrodynamics with chiral anomaly is used to obtain a quantitative description of the chiral magnetic effect (CME) in heavy-ion collisions. We find that the charge-dependent hadron azimuthal correlations are…

High Energy Physics - Phenomenology · Physics 2015-08-28 Yuji Hirono , Tetsufumi Hirano , Dmitri E. Kharzeev

The amount of axial charge produced in heavy ion collisions is one of the key quantities in understanding chiral magnetic effect. Current phenomenological studies assume large axial charge chemical potential $\mu_5$ produced in Glasma phase…

Nuclear Theory · Physics 2018-07-11 Shu Lin , Li Yan , Gui-Rong Liang

Recently, the STAR collaboration at RHIC has presented experimental evidence for the correlation between the elliptic flow difference of charged pions and charge asymmetry as a possible signal of the chiral magnetic wave. We demonstrate…

High Energy Physics - Phenomenology · Physics 2016-02-17 Yoshitaka Hatta , Akihiko Monnai , Bo-Wen Xiao

The chiral magnetic effect (CME) is a phenomenon in which electric charge is separated by a strong magnetic field from local domains of chirality imbalance in quantum chromodynamics. The CME-sensitive azimuthal correlator difference…

Nuclear Theory · Physics 2026-05-26 Han-Sheng Li , Yu-Shan Chang , Yi Yang , Fuqiang Wang

Charge-dependent azimuthal particle correlations with respect to the second-order event plane in pPb and PbPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV have been studied with the CMS experiment at the LHC. The…

Nuclear Experiment · Physics 2017-03-29 CMS Collaboration

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

We employ a 3+1D anomalous hydrodynamics with initial condition generated by HIJING to simulate the chiral vortical effect and the chiral magnetic effect in heavy-ion collisions. This allows us to calculate the charge-dependent two-particle…

Nuclear Theory · Physics 2017-09-28 Xingyu Guo , Dmitri E. Kharzeev , Xu-Guang Huang , Wei-Tian Deng , Yuji Hirono

An interpretation of the charge dependent correlations sensitive to the Chiral Magnetic Effect (CME) -- the separation of the electric charges along the system magnetic field (across the reaction plane) -- is ambiguous due to a possible…

Nuclear Experiment · Physics 2018-12-05 Sergei A. Voloshin

We present STAR measurements of the charge-dependent three-particle correlator $\gamma^{a,b}=\langle \cos(\phi_1^{a}+\phi_2^{b}-2\phi_3)\rangle/v_{2}\{2\}$ and elliptic flow $v_{2}\{2\}$ in U+U, Au+Au and p+Au collisions at RHIC. The…

Nuclear Experiment · Physics 2019-08-13 Prithwish Tribedy

We report our recent progress on the search of Chiral Magnetic Effect (CME) by developing new measurements as well as by hydrodynamic simulations of CME and background effects, with both approaches addressing the pressing issue of…

Nuclear Theory · Physics 2016-11-23 Xu-Guang Huang , Yi Yin , Jinfeng Liao

Correlations related to local charge conservation provide insight into the creation and evolution of up, down and strange charges in the quark-gluon plasma. Here, the evolution of charge correlations is overlaid onto a hydrodynamic…

Nuclear Theory · Physics 2019-05-01 Scott Pratt , Christopher Plumberg

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

At the early stage of heavy ion collisions, non-trivial topologies of the gauge fields can be created resulting in an imbalance of axial charge density and eventually separation of electric charges along the direction of the magnetic field…

Nuclear Theory · Physics 2019-02-27 Sk Noor Alam , Subhasis Chattopadhyay

The hot and dense medium produced in relativistic heavy-ion collisions has been conjectured to be accompanied by an axial charge asymmetry that may lead to a separation of electric charges in the direction of the extremely strong magnetic…

Nuclear Experiment · Physics 2022-02-16 Yu Hu

We study multi-particle azimuthal correlations in relativistic heavy-ion collisions at a center of mass energy of 200 GeV. We use the IP-Glasma model to initialize the viscous hydrodynamic simulation MUSIC and employ the UrQMD transport…

Nuclear Theory · Physics 2019-04-17 Bjoern Schenke , Chun Shen , Prithwish Tribedy

One of the most interesting and important phenomena predicted to occur in heavy-ion collisions is the local strong parity violation. In non-central collisions, it is expected to result in charge separation of produced particles along the…

Nuclear Experiment · Physics 2019-08-13 Ilya Selyuzhenkov

Charge-dependent azimuthal correlations of same- and opposite-sign pairs with respect to the second- and third-order event planes have been measured in pPb collisions at $\sqrt{s_\mathrm{NN}} =$ 8.16 TeV and PbPb collisions at 5.02 TeV with…

Nuclear Experiment · Physics 2018-05-02 CMS Collaboration

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
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