Abstract
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 Δγ between opposite-sign (OS) and same-sign (SS) charged hadron pairs is contaminated by a major physics background proportional to the particle elliptic anisotropy (v2). The CME signal, on the other hand, contributes to the difference in the pair elliptic anisotropies between OS and SS pairs (Δv2,pair). We investigate Δv2,pair and find its sensitivity to CME to be similar to that of the Δγ observable. Published by the American Physical Society 2025
Published Version
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