Dependence of charged particle pseudorapidity distributions on centrality and energy in p(d)A collisions at high energies

被引：39

作者：

Liu, Fu-Hu ^{[1
,2
]}

机构：

[1] Shanxi Univ, Taiyuan 030006, Shanxi, Peoples R China

[2] McGill Univ, Montreal, PQ H3A 2T8, Canada

来源：

PHYSICAL REVIEW C | 2008年 / 78卷 / 01期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1103/PhysRevC.78.014902

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 pseudorapidity distributions of charged particles produced in deuteron-gold (d-Au) and proton-emulsion (p-Em) collisions at high energies are studied in the framework of the two-cylinder model. The experimental results of nuclear reactions induced by protons and deuterons [p(d)A collisions] can be simply described by this model. The dependencies of parameter values on centrality for d-Au collisions and on nucleon-nucleon center-of-mass energy for p-Em collisions are obtained. The formula obtained by this model is a unified formula in the description of (pseudo)rapidity distributions of final-state particles produced in different interactions over an energy range from intermediate accelerator energy to ultrahigh cosmic-ray energy.

引用

页数：6

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