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Title: Elliptic flow in small systems due to elliptic gluon distributions?
Authors: Hagiwara, Yoshikazu
Hatta, Yoshitaka
Xiao, Bo-Wen
Yuan, Feng
Author's alias: 八田, 佳孝
Keywords: Nuclear and High Energy Physics
Issue Date: 10-Aug-2017
Publisher: Elsevier BV
Journal title: Physics Letters B
Volume: 771
Start page: 374
End page: 378
Abstract: We investigate the contributions from the so-called elliptic gluon Wigner distributions to the rapidity and azimuthal correlations of particles produced in high energy pp and pA collisions by applying the double parton scattering mechanism. We compute the ‘elliptic flow’ parameter v2 as a function of the transverse momentum and rapidity, and find qualitative agreement with experimental observations. This shall encourage further developments with more rigorous studies of the elliptic gluon distributions and their applications in hard scattering processes in pp and pA collisions.
Rights: © 2017 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license ( Funded by SCOAP3.
DOI(Published Version): 10.1016/j.physletb.2017.05.083
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