Analysis of pPb collisions at LHC energies in the relativistic diffusion model

被引：5

作者：

Schulz, P. ^{[1
]}

Wolschin, G. ^{[1
]}

机构：

[1] Heidelberg Univ, Inst Theoret Phys, D-69120 Heidelberg, Germany

来源：

EUROPEAN PHYSICAL JOURNAL A | 2015年 / 51卷 / 02期

关键词：

PB-PB COLLISIONS; NUCLEUS-NUCLEUS COLLISIONS; CENTRALITY DEPENDENCE; TRANSVERSE-MOMENTUM; PARTICLE-PRODUCTION; TEV;

D O I：

10.1140/epja/i2015-15018-y

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：

Particle production sources in pPb collisions at LHC energies are investigated in pseudorapidity space as functions of centrality. The nonequilibrium-statistical relativistic diffusion model (RDM) with three sources is applied to the analysis of preliminary charged-hadron distributions measured by the ATLAS and ALICE Collaborations in pPb collisions at 5.02 TeV. The size of the midrapidity source relative to the fragmentation sources in pPb collisions is considered as a function of centrality, and incident energy. At LHC energies particle production from the mid-rapidity gluon-gluon source is larger than that from the fragmentation sources at all centralities. Conclusions regarding the statistical equilibration process are drawn.

引用

页数：6

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