Anomalous suppression of π0 production at large transverse momentum in Au+Au and d+Au collisions at √SNN=200 GeV

被引：0
|
作者：
Capella, A
Ferreiro, EG
Kaidalov, AB
Sousa, D
机构：
[1] Univ Paris 11, Phys Theor Lab, CNRS, UMR 8627, F-91405 Orsay, France
[2] Univ Santiago de Compostela, Dept Fis Particulas, Santiago De Compostela 15782, Spain
[3] Inst Theoret & Expt Phys, Moscow 117259, Russia
来源：
EUROPEAN PHYSICAL JOURNAL C | 2005年 / 40卷 / 01期
关键词：
D O I：
10.1140/epjc/s2004-02097-6
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We propose a model of the suppression of large p(T) pions in heavy ion collisions based on the interaction of the large pT pion with the dense medium created in the collision. The model is practically the same as the one previously introduced to describe J/psi suppression. Both the p(T) and the centrality dependence of the data are reproduced. In deuteron-gold collisions, the effect of the final state interaction with the dense medium turns out to be negligibly small. Here the main features of the data are also reproduced both at mid and at forward rapidities.
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页码：129 / 135
页数：7
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