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Pseudorapidity and transverse momentum dependence of flow harmonics in pPb and PbPb collisions
Journal article   Open access   Peer reviewed

Pseudorapidity and transverse momentum dependence of flow harmonics in pPb and PbPb collisions

Hamed Bakhshiansohi, Olivier Bondu, Sébastien Brochet, Giacomo Bruno, Adrien Caudron, Simon De Visscher, Christophe Delaere, Martin Delcourt, Brieuc Francois, Andrea Giammanco, …
Physical Review D, Vol.98(4), 044902
2018
DOI: 10.1103/PhysRevC.98.044902
url
https://doi.org/10.1103/PhysRevC.98.044902View
Published (Version of record) Open Access

Abstract

Measurements of azimuthal angular correlations are presented for high-multiplicity pPb collisions at sNN=5.02TeV and peripheral PbPb collisions at sNN=2.76TeV. The data used in this work were collected with the Compact Muon Solenoid (CMS) detector at the European Organization for Nuclear Research (CERN) Large Hadron Collider (LHC). Fourier coefficients as functions of transverse momentum and pseudorapidity are studied using the scalar product method; four-, six-, and eight-particle cumulants; and the Lee-Yang zero technique. The influence of event plane decorrelation is evaluated using the scalar product method and found to account for most of the observed pseudorapidity dependence.
angular correlation Automatic Keywords CERN Lab CERN LHC Coll CMS flow peripheral rapidity transverse momentum transverse momentum dependence

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