Ψ(2S) and J/Ψ modification in pPb and PbPb collisions at 5.02 TeV with CMS

被引：2

作者：

Blanco, Javier Martin ^{[1
]}

机构：

[1] Ecole Polytech, Lab Leprince Ringuet, F-91128 Palaiseau, France

来源：

NUCLEAR PHYSICS A | 2017年 / 967卷

关键词：

CMS; Charmonia; J/psi; psi(2S); Nuclear modification factor; pPb collisions; PbPb collisions; SUPPRESSION;

D O I：

10.1016/j.nuclphysa.2017.05.080

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：

The understanding of charmonium production in PbPb collisions requires the inclusion of many phenomena, such as dissociation in the quark gluon plasma and statistical recombination, on top of cold nuclear matter effects. Measurements of charmonium production in pPb collisions are crucial to disentangle the effects related to the presence of a quark gluon plasma from cold nuclear matter effects. In this paper, final prompt J/psi results in pPb collisions at-root s(NN) = 5.02 TeV are presented, including the new measurement of the R-pPb using the 2015 pp data taken at the same energy. In addition, new results are reported regarding the prompt psi(2S) meson production in pPb collisions at 5.02 TeV as a function of transverse momentum and rapidity. Final results on the relative J/psi and psi(2S) modification, based on the pp and PbPb data collected at 5.02 TeV by CMS in 2015, are also reported.

引用

页码：580 / 583

页数：4

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