Suppression of high-pT non-photonic electrons in Au plus Au collisions at √sNN=200 GeV

被引：0
|
作者：
Bielcik, Jaroslav [1 ]
机构：
[1] Yale Univ, Dept Phys, New Haven, CT 06520 USA
来源：
NUCLEAR PHYSICS A | 2007年 / 783卷
关键词：
D O I：
10.1016/j.nuclphysa.2006.11.111
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：
The study of heavy quark production extends our understanding of quark energy loss in the hot and dense matter. The measurement of non-photonic single electrons up to high p(T) provides information on charm and bottom production. The spectra from p+p, d+Au and Au+Au collisions at root s(NN) = 200 GeV have been extracted for non-photonic electrons in the range 1.5 < p(T) (GeV/c) < 10 at mid-rapidity. The corresponding nuclear modification factors (R-AA) are presented. They show a large suppression in central Au+Au collisions, indicating an unexpectedly large energy loss for heavy quarks in the hot and dense matter created at RHIC.
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收藏
页码：539C / 542C
页数：4
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