| Issue |
EPJ Web of Conferences
Volume 172, 2018
XLVII International Symposium on Multiparticle Dynamics (ISMD 2017)
|
|
|---|---|---|
| Article Number | 04003 | |
| Number of page(s) | 10 | |
| Section | Hadronic final states in high pT interactions | |
| DOI | https://doi.org/10.1051/epjconf/201817204003 | |
| Published online | 26 January 2018 | |
https://doi.org/10.1051/epjconf/201817204003
Systematic study of high pT hadron production in small collision systems by the PHENIX experiment at RHIC
Brookhaven National Laboratory, Physics Department, Upton, NY 11973-5000, USA.
* e-mail: takao@bnl.gov
Published online: 26 January 2018
High pT hadrons in the small systems of d/3He+Au and p+Al/Au collisions have been measured at the midrapidity (|ƞ| < 0.35) as well as at the forward and backward rapidities (1.2 < |ƞ| < 2.4) at √sNN =200 GeV. A clear system and centrality ordering in the Rp/d/HeA was observed for midrapidity π0 production. Hadron Rcp as a function of rapidity in forward and backward regions show an opposite trend to what HIJING++ predicted. Together with the difference of Rcp in p+Al/Au collisions, the observation can be understood consistently with the measured long-range two-particle correlations, hinting the possible medium creation similar to A+A collisions.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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