PHENIX results on charged-hadron azimuthal anisotropies in Au + Au collisions at center-of-mass energies from 39 to 200 GeV

The energy dependence of the azimuthal anisotropy of second (third) harmonics v2(v3) are measured for charged hadron as a function of the transverse momentum (pT) in several centrality bins in Au + Au collisions by the PHENIX experiment at RHIC. In each centrality, vn vs. pT agrees within the uncert...

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Bibliographic Details
Published in:Nuclear physics. A 2017-11, Vol.967, p.405-408
Main Author: Shimomura, Maya
Format: Article
Language:English
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Summary:The energy dependence of the azimuthal anisotropy of second (third) harmonics v2(v3) are measured for charged hadron as a function of the transverse momentum (pT) in several centrality bins in Au + Au collisions by the PHENIX experiment at RHIC. In each centrality, vn vs. pT agrees within the uncertainties from sNN=39 to 200 GeV. Also, the 2014 data significantly improve the statistical precision compared to previous results for v2 measurement in Au + Au collisions at sNN=200 GeV. The new measurement shows that v2 is positive up to pT = 10 GeV/c and charged hadron v2 is different from π0v2 for pT < 7 GeV/c. Moreover, forward/backward v2(v3) and local dN/dη are newly measured at 3
ISSN:0375-9474
DOI:10.1016/j.nuclphysa.2017.07.012