scholarly journals Utilization of event shape in search of the chiral magnetic effect in heavy-ion collisions

2021 ◽  
Vol 104 (6) ◽  
Author(s):  
Ryan Milton ◽  
Gang Wang ◽  
Maria Sergeeva ◽  
Shuzhe Shi ◽  
Jinfeng Liao ◽  
...  
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Magnetic Effect ◽  
Event Shape ◽  
Ion Collisions ◽  
Chiral Magnetic Effect

scholarly journals New experimental constrains on chiral magnetic effect using charge-dependent azimuthal correlation in pPb and PbPb collisions at the LHC

2018 ◽  
Vol 172 ◽  
pp. 01004 ◽  
Author(s):  
Zhoudunming Tu
Keyword(s):  
Heavy Ion ◽  
Magnetic Effect ◽  
Azimuthal Anisotropy ◽  
Event Shape ◽  
Azimuthal Correlations ◽  
Ion Collisions ◽  
Chiral Magnetic Effect ◽  
Cms Experiment ◽  
Engineering Technique ◽  
Particle Pairs

Studies of charge-dependent azimuthal correlations for the same- and oppositesign particle pairs are presented in PbPb collisions at 5 TeV and pPb collisions at 5 and 8.16 TeV, with the CMS experiment at the LHC. The azimuthal correlations are evaluated with respect to the second- and also higher-order event planes, as a function of particle pseudorapidity and transverse momentum, and event multiplicity. By employing an event-shape engineering technique, the dependence of correlations on azimuthal anisotropy flow is investigated. Results presented provide new insights to the origin of observed charge-dependent azimuthal correlations, and have important implications to the search for the chiral magnetic effect in heavy ion collisions.

scholarly journals Search for the chiral magnetic effect in relativistic heavy-ion collisions

2018 ◽  
Vol 33 (13) ◽  
pp. 1830010 ◽  
Author(s):  
Jie Zhao
Keyword(s):  
Topological Charge ◽  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Magnetic Effect ◽  
Relativistic Heavy Ion Collisions ◽  
Ion Collisions ◽  
Chiral Magnetic Effect ◽  
Emergent Phenomena ◽  
New Ideas ◽  
Induced Charge

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 fluctuations of QCD vacua, immersed in a strong magnetic field. Since the first measurement nearly a decade ago of the possibly CME-induced charge correlation, extensive studies have been devoted to background contributions to those measurements. Many new ideas and techniques have been developed to reduce or eliminate the backgrounds. This paper reviews these developments and the overall progress in the search for the CME.

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