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

被引：0
|
作者：
Wang Hong-Min [1 ]
Hou Zhao-Yu [2 ]
Sun Xian-Jing [3 ]
机构：
[1] Acad Armored Forces Engn PLA, Dept Phys, Beijing 100072, Peoples R China
[2] Shijiazhuang Railway Inst, Phys Grad Sch, Shijiazhuang 050043, Peoples R China
[3] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
来源：
NUCLEAR SCIENCE AND TECHNIQUES | 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; SATURATION;
D O I：
暂无
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
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 root s = 14 TeV of the LHC are also given.
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页数：5
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