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This study investigates the correlations of charged particles in heavy-ion collisions by utilizing data from multiple detectors including the RXN, MPC, and BBC. We analyze various measurements such as the elliptic flow coefficients (v2) of charged particles, using the <cos.2(FA-FB)> method for binning according to centrality. Specific focus is placed on correcting for background effects and ensuring data integrity across different centrality bins and transverse momentum (pT) spectra. The results shed light on the underlying dynamics of the quark-gluon plasma formation.
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RXN(S) - RXN(N) MPC(S) - MPC(N) BBC(S) - BBC(N) RXN(SN) - MPC(SN) RXN(SN) - BBC(SN) BBC+MPC+RXN (S - N) BBC+MPC (S - N) <cos 2(FA-FB)> (2000 - BBC charge sum)/100 : [centrality bin] un-corrected v2 un-corrected v2 E.P.{2}RXN(SN) E.P.{2}MPC(SN) E.P.{2}BBC(SN) E.P.{2}RXN(SN) E.P.{2}MPC(SN) E.P.{2}BBC(SN) <cos 2(FA+B-Ftrue)> <cos 2(fCNT-FE.P.{2})> <cos 2(fCNT-FE.P.{2})> <cos 2(FA-FB)> [centrality bin] pT [GeV/c]
corrected v2 corrected v2 R.P. resolution E.P.{2}RXN(SN) E.P.{2}MPC(SN) E.P.{2}BBC(SN) <cos 2(FE.P.{2}-Ftrue)> v2 (charged particle (|h|<0.35) v2 (charged particle (|h|<0.35) [centrality bin] [centrality bin] pT [GeV/c]