J/ψ and ψ(2S) measurement in p plus p collisions at √s = 200 and 500 GeV with the STAR experiment

被引：7

作者：

Trzeciak, Barbara ^{[1
]}

机构：

[1] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Brehova 7, CR-11519 Prague 1, Czech Republic

来源：

15TH INTERNATIONAL CONFERENCE ON STRANGENESS IN QUARK MATTER (SQM2015) | 2016年 / 668卷

关键词：

ROOT-S=200 GEV; POLARIZATION; PROMPT;

D O I：

10.1088/1742-6596/668/1/012093

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

In this paper, results on the J/psi cross section and polarization measured via the dielectron decay channel at mid-rapidity in p + p collisions at root s = 200 and 500 GeV in the STAR experiment are discussed. Also, first measurements of the J/psi production as a function of the charged-particle multiplicity density and of psi(2S) to J/psi ratio at root s = 500 GeV are reported.

引用

页数：4

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