φ meson production in d + Au collisions at sNN =200 GeV

PHENIX Collaboration

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13 Scopus citations

Abstract

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, 1.2y2.2 (-2.2y-1.2) in the transverse-momentum (pT) range from 1-7 GeV/c and at midrapidity y0.35 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. Similar behavior was previously observed for inclusive charged hadrons and open heavy flavor, indicating similar cold-nuclear-matter effects.

Original languageEnglish
Article number044909
JournalPhysical Review C - Nuclear Physics
Volume92
Issue number4
DOIs
StatePublished - 19 Oct 2015
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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