Multiparticle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au plus Au collisions at root S-NN=200 GeV

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http://hdl.handle.net/10138/300379

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PHENIX Collaboration , Adare , A , Kim , D J , Novitzky , N & Rak , J 2019 , ' Multiparticle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au plus Au collisions at root S-NN=200 GeV ' , Physical Review C , vol. 99 , no. 2 , 024903 . https://doi.org/10.1103/PhysRevC.99.024903

Title: Multiparticle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au plus Au collisions at root S-NN=200 GeV
Author: PHENIX Collaboration; Adare, A.; Kim, D. J.; Novitzky, N.; Rak, J.
Contributor: University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
Date: 2019-02-06
Language: eng
Number of pages: 16
Belongs to series: Physical Review C
ISSN: 2469-9985
URI: http://hdl.handle.net/10138/300379
Abstract: We present measurements of elliptic and triangular azimuthal anisotropy of charged particles detected at forward rapidity 1 < vertical bar eta vertical bar < 3 in Au + Au collisions at root S-NN = 200 GeV, as a function of centrality. The multiparticle cumulant technique is used to obtain the elliptic flow coefficients v(2){2}, v(2){4}, v(2){6}, and v(2){8}, and triangular flow coefficients v(3){2} and v(3){4}. Using the small-variance limit, we estimate the mean and variance of the event-by-event v 2 distribution from v(2){2} and v(2){4}. In a complementary analysis, we also use a folding procedure to study the distributions of v(2) and v(3) directly, extracting both the mean and variance. Implications for initial geometrical fluctuations and their translation into the final-state momentum distributions are discussed.
Subject: QUARK-GLUON PLASMA
PHENIX
PERSPECTIVE
114 Physical sciences
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