Jet quenching in the direction opposite to a tagged photon in high-energy heavy-ion collisions

被引：244

作者：

Wang, XN ^{[1
]}

Huang, Z ^{[1
]}

Sarcevic, I ^{[1
]}

机构：

[1] UNIV ARIZONA,DEPT PHYS,TUCSON,AZ 85721

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.77.231

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We point out that events associated with large E(T) direct photons in high-energy heavy-ion collisions can be used to study jet energy loss in dense matter. In such events, the p(T) spectrum of charged hadrons from jet fragmentation in the direction opposite to the tagged photon is estimated to be well above the background which can be reliably subtracted at moderately large p(T). We demonstrate that comparison between the extracted fragmentation function in AA and pp collisions can be used to determine the jet energy loss and the interaction mean free path in the dense matter produced in high-energy heavy-ion collisions.

引用

页码：231 / 234

页数：4

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