Comment on "Nonperturbative finite T broadening of the ρ meson and dilepton emission in heavy-ion collisions"

被引：2
|
作者：
Riek, Felix
van Hees, Hendrik
Knoll, Joern
机构：
[1] Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany
[2] Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA
来源：
PHYSICAL REVIEW C | 2007年 / 75卷 / 05期
关键词：
D O I：
10.1103/PhysRevC.75.059801
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：
In this Comment we point out several problems concerning kinematical singularities which are encountered in the calculation of the dilepton rates by Ruppert and Renk [Phys. Rev. C 71, 064903 (2005)]. We also comment on the method introduced by van Hees and Knoll [Nucl. Phys. A683, 369 (2000)] and further used by Ruppert and Renk [Phys. Rev. C 71, 064903 (2005)], Renk and Ruppert (arXiv:hep-ph/0603110, arXiv:hep-ph/0605130), and Riek and Knoll [Nucl. Phys. A740, 287 (2004)].
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页数：2
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