Hadron multiplicities in p+p and p+Pb collisions at the LHC

被引：2

作者：

王宏民 ^{[1
]}

侯召宇 ^{[2
]}

孙献静 ^{[3
]}

机构：

[1] Physics Department,Academy of Armored Forces Engineering of PLA

[2] Physics Graduate School,Shijiazhuang Railway Institute

[3] Institute of High Energy Physics,Chinese Academy of Sciences

来源：

NuclearScienceandTechniques | 2014年 / 25卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Hadron multiplicities; Negative binominal distribution; Gluon saturation;

D O I：

10.13538/j.1001-8042/nst.25.040502

中图分类号：

O572.214 [];

学科分类号：

摘要：

Experiments at the Large Hadron Collider（LHC）have measured multiplicity distributions in p+p and p+Pb collisions at a new domain of collision energy.Based on considering an energy-dependent broadening of the nucleon’s density distribution,charged hadron multiplicities are studied with the phenomenological saturation model and the evolution equation dependent saturation model.By assuming the saturation scale has a small dependence on the 3-dimensional root mean square（rms）radius at different energy,the theoretical results are in good agreement with the experimental data from CMS and ALICE collaboration.The predictive results in p+p collisions at s;=14 TeV of the LHC are also given.

引用

页码：59 / 63

页数：5

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