Open charm production in √sNN=200 GeVAu+Au collisions

被引：17

作者：

Zhang, Yifei ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China

[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2006年 / 32卷 / 12期

关键词：

D O I：

10.1088/0954-3899/32/12/S70

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 report on the measurement of D meson production from the analysis of their hadronic (D-0 -> K pi) and semileptonic (D -> mu + X, D -> e + X) decays in root s(NN) = 200 GeV Au+Au collisions. The transverse momentum (p(T)) spectra and the nuclear modification factors for D-0 and for electron/muon(2) from charm semileptonic decays will be presented. The differential cross section d sigma/dy is found to be consistent with the number of binary scaling. The blast-wave fit suggests that the charm hadron freeze out earlier than other light flavour hadrons.

引用

页码：S529 / S532

页数：4

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