Width of the rapidity distribution in heavy-ion collisions

被引：18
|
作者：
Netrakanti, PK [1 ]
Mohanty, B [1 ]
机构：
[1] Bhabha Atom Res Ctr, Ctr Variable Energy Cyclotron, Kolkata 700064, W Bengal, India
来源：
PHYSICAL REVIEW C | 2005年 / 71卷 / 04期
关键词：
D O I：
10.1103/PhysRevC.71.047901
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：
We have studied the widths of the rapidity distributions of particles produced in nucleus-nucleus collisions at various center of mass energies and as a function of centrality at CERN Super Proton Synchrotron (SPS) energies. We show that the width of the rapidity distribution is sensitive to longitudinal flow, velocity of sound in the medium, and rescattering of particles. We explore the possibility of distinguishing the initial hard scattering regime from final state effects by studying the variation in the width of the rapidity distribution of the particles with centrality for various p(T) values.
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页数：4
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