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Title: Φ meson production in d+Au collisions at √sNN = 200 GeV

The PHENIX Collaboration has measured Φ meson production in d+Au collisions at √sNN=200 GeV using the dimuon and dielectron decay channels. The Φ meson is measured in the forward (backward) d-going (Au-going) direction, 1.2 < y < 2.2 (–2.2 < y < –1.2) in the transverse-momentum (pT) range from 1–7 GeV/c and at midrapidity |y|<0.35 in the pT range below 7 GeV/c. The Φ meson invariant yields and nuclear-modification factors as a function of pT, rapidity, and centrality are reported. An enhancement of Φ meson production is observed in the Au-going direction, while suppression is seen in the d-going direction, and no modification is observed at midrapidity relative to the yield in p+p collisions scaled by the number of binary collisions. As a result, similar behavior was previously observed for inclusive charged hadrons and open heavy flavor, indicating similar cold-nuclear-matter effects.
  1. Univ. of Colorado, Boulder, CO (United States). et al.
Publication Date:
Report Number(s):
BNL-108451-2015-JA; BNL-108549-2015-JA; BNL-111970-2016-JA
Journal ID: ISSN 0556-2813; PRVCAN; KB201021
Grant/Contract Number:
SC00112704; AC05-00OR22725
Accepted Manuscript
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 4; Journal ID: ISSN 0556-2813
American Physical Society (APS)
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States). Relativistic Heavy Ion Collider (RHIC); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Contributing Orgs:
PHENIX Collaboration
Country of Publication:
United States
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; meson; RHIC; d+Au; collisions; Relativistic Heavy Ion Collider; production; s+Au; 200 GeV; Dielectron; PHENIX
OSTI Identifier:
Alternate Identifier(s):
OSTI ID: 1228840; OSTI ID: 1254806; OSTI ID: 1324148