{"paper":{"title":"Responses of the chiral-magnetic-effect-sensitive sine observable to resonance backgrounds in heavy-ion collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Fuqiang Wang, Jie Zhao, Yicheng Feng","submitted_at":"2018-03-07T19:52:48Z","abstract_excerpt":"A new sine observable, $R_{\\Psi_2}(\\Delta S)$, has been proposed to measure the chiral magnetic effect (CME) in heavy-ion collisions; $\\Delta S = \\left \\langle \\sin \\varphi_+ \\right \\rangle - \\left \\langle \\sin \\varphi_- \\right \\rangle$, where $\\varphi_\\pm$ are azimuthal angles of positively and negatively charged particles relative to the reaction plane and averages are event-wise, and $R_{\\Psi_2}(\\Delta S)$ is a normalized event probability distribution. Preliminary STAR data reveal concave $R_{\\Psi_2}(\\Delta S)$ distributions in 200 GeV Au+Au collisions. Studies with a multiphase transport "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.02860","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}