Transverse spherocity classifies heavy-ion collision events to suppress backgrounds in chiral magnetic effect searches, with AMPT simulations showing higher scaled signals in isotropic events.
Effects of final state interactions on charge separation in relativistic heavy ion collisions
2 Pith papers cite this work. Polarity classification is still indexing.
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abstract
Charge separation is an important consequence of the Chiral Magnetic Effect. Within the framework of a multi-phase transport model, the effects of final state interactions on initial charge separation are studied. We demonstrate that charge separation can be significantly reduced by the evolution of the Quark-Gluon Plasma produced in relativistic heavy ion collisions. Hadronization and resonance decay can also affect charge separation. Moreover, our results show that the Chiral Magnetic Effect leads to the modification of the relation between the charge azimuthal correlation and the elliptic flow that is expected from transverse momentum conservation only. The transverse momentum and pseudorapidity dependences of, and the effects of background on the charge azimuthal correlation are also discussed.
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2026 2verdicts
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The hexadecapole component of Δγ(φ_pair) is proposed as a CME-sensitive and background-insensitive observable based on magnetic field fluctuations in heavy-ion collision models.
citing papers explorer
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Probing the chiral magnetic effect via transverse spherocity event classification in relativistic heavy-ion collisions
Transverse spherocity classifies heavy-ion collision events to suppress backgrounds in chiral magnetic effect searches, with AMPT simulations showing higher scaled signals in isotropic events.
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A higher-harmonic observable for the chiral magnetic effect in heavy-ion collisions
The hexadecapole component of Δγ(φ_pair) is proposed as a CME-sensitive and background-insensitive observable based on magnetic field fluctuations in heavy-ion collision models.