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Transverse momentum broadening of heavy quark and gluon energy loss in Sakai-Sugimoto model
Pang, Yi; Pang, Y , Chinese Acad Sci, Inst Theoret Phys, Zhong Guan Cun E St 55,POB 2735, Beijing 100190, Peoples R China
2008
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
ISSN1126-6708
期号10页码:-
摘要In this paper, we calculate the transverse momentum diffusion coefficient k(T) of heavy quark and gluon penetration length in the deconfinement phase of Sakai-Sugimoto model, which is known as a holographic dual of large N-c QCD. We find that for the heavy quark moving through the thermal plasma with a constant velocity upsilon < 1, the transverse momentum diffusion coefficient k(T) alpha lambda gamma T-1/3(4)/T-d, and the gluon penetration length Delta x alpha (E) over cap (2/5). These results are different from those calculated in N = 4 super-Yang-Mills theory, which are k(T) alpha lambda gamma T-1/2(3) and Delta x alpha (E) over cap (1/3), respectively. In the high energy limit, the difference between the two pairs of results should be evident, so we hope that the future LHC experiments can tell us which model is more closely related to the realistic strongly coupled QCD at finite temperature.
部门归属[Pang, Y] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Pang, Y] Univ Sci & Technol China, Interdisciplinary Ctr Theoret Studies, Hefei 230026, Anhui, Peoples R China
关键词Collisions Collaboration Plasma Matter Qcd
学科领域Physics
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收录类别SCI
WOS记录号WOS:000260759200041
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5457
专题理论物理所1978-2010年知识产出
通讯作者Pang, Y , Chinese Acad Sci, Inst Theoret Phys, Zhong Guan Cun E St 55,POB 2735, Beijing 100190, Peoples R China
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Pang, Yi,Pang, Y , Chinese Acad Sci, Inst Theoret Phys, Zhong Guan Cun E St 55,POB 2735, Beijing 100190, Peoples R China. Transverse momentum broadening of heavy quark and gluon energy loss in Sakai-Sugimoto model[J]. JOURNAL OF HIGH ENERGY PHYSICS,2008(10):-.
APA Pang, Yi,&Pang, Y , Chinese Acad Sci, Inst Theoret Phys, Zhong Guan Cun E St 55,POB 2735, Beijing 100190, Peoples R China.(2008).Transverse momentum broadening of heavy quark and gluon energy loss in Sakai-Sugimoto model.JOURNAL OF HIGH ENERGY PHYSICS(10),-.
MLA Pang, Yi,et al."Transverse momentum broadening of heavy quark and gluon energy loss in Sakai-Sugimoto model".JOURNAL OF HIGH ENERGY PHYSICS .10(2008):-.
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