Measurements of mass-dependent azimuthal anisotropy in central p plus Au, d + Au, and He-3 + Au collisions at root s(NN)=200 GeV

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PHENIX Collaboration , Adare , A , Kim , D J , Novitzky , N & Rak , J 2018 , ' Measurements of mass-dependent azimuthal anisotropy in central p plus Au, d + Au, and He-3 + Au collisions at root s(NN)=200 GeV ' , Physical Review C , vol. 97 , no. 6 , 064904 . https://doi.org/10.1103/PhysRevC.97.064904

Title: Measurements of mass-dependent azimuthal anisotropy in central p plus Au, d + Au, and He-3 + 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: 2018-06-11
Language: eng
Number of pages: 11
Belongs to series: Physical Review C
ISSN: 2469-9985
URI: http://hdl.handle.net/10138/236781
Abstract: We present measurements of the transverse-momentum dependence of elliptic flow upsilon(2) for identified pions and (anti)protons at midrapidity (vertical bar eta vertical bar <0.35), in 0%-5% central p + Au and He-3 + Au collisions at ,root s(NN) = 200 GeV. When taken together with previously published measurements in d + Au collisions at root s(NN) = 200 GeV, the results cover a broad range of small-collision-system multiplicities and intrinsic initial geometries. We observe a clear mass-dependent splitting of upsilon(2) (p(T)) in d + Au and He-3 + Au collisions, just as in large nucleus-nucleus (A + A) collisions, and a smaller splitting in p + Au collisions. Both hydrodynamic and transport model calculations successfully describe the data at low p(T) (
Subject: HEAVY-ION COLLISIONS
RANGE ANGULAR-CORRELATIONS
LONG-RANGE
ROOT-S(NN)=200 GEV
NUCLEAR COLLISIONS
PARTICLE SPECTRA
PHENIX
FLOW
LHC
TEV
114 Physical sciences
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