The PHENIX quarkonia and open heavy flavor program

被引：0

作者：

Frawley, A. D. ^{[1
]}

机构：

[1] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA

来源：

NUCLEAR PHYSICS A | 2011年 / 855卷 / 01期

关键词：

Quark gluon plasma; heavy quarkonium; J/PSI-PRODUCTION; COLLISIONS; SUPPRESSION; PLUS;

D O I：

10.1016/j.nuclphysa.2011.02.036

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

PHENIX has studied J/psi production in root S-NN = 200 GeV collisions of p+p, d+Au,Au+Au and Cu+Cu collisions. This systematic study was designed to allow the extraction of hot nuclear matter effects on J/psi production in heavy ion collisions after accounting for the baseline production cross section using p + p data, and for cold nuclear matter effects using d+Au data. Cold nuclear matter effects, for example gluon shadowing, are the effects associated with production of J/psi from a nuclear target. The large yields obtained in the RHIC 2008 d+Au run provide, for the first time. an opportunity to characterize cold nuclear matter effects at RHIC, and try to isolate hot nuclear matter effects in Au+Au collisions. Low statistics preliminary measurements of excited charmonium yields and gamma(1S + 2S + 3S) yields exist so far for p + p collisions, and there are preliminary results for gamma production in d+Au collisions.

引用

页码：181 / 188

页数：8

共 25 条

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