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题名: Relativistic corrections to heavy quark fragmentation to S-wave heavy mesons
作者: Sang, Wen-long ;  Yang, Lan-fei ;  Chen, Yu-qi
刊名: PHYSICAL REVIEW D
出版日期: 2009
卷号: 80, 期号:1, 页码:-
关键词: Z(0) DECAY ;  ANNIHILATION ;  QCD
学科分类: Physics
通讯作者: Sang, WL , Acad Sinica, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
部门归属: [Sang, WL; Yang, LF; Chen, YQ] Acad Sinica, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
英文摘要: The relativistic corrections of order v(2) to the fragmentation functions for the heavy quark to S-wave heavy quarkonia are calculated in the framework of the nonrelativistic quantum chromodynamics factorization formula. We derive the fragmentation functions by using the Collins-Soper definition in both the Feynman gauge and the axial gauge. We also extract them through the process Z(0)-> Hqq in the limit M(Z)/m ->infinity. We find that all results obtained by these two different methods and in different gauges are the same. We estimate the relative size of the relativistic corrections to the fragmentation functions.
资助者: National Natural Science Foundation of China[10675003, 10721063]; Ministry of Science and Technology of China[2009CB825200]; China Postdoctoral Science Foundation[20080430263]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000268618600030
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5286
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Sang, Wen-long,Yang, Lan-fei,Chen, Yu-qi. Relativistic corrections to heavy quark fragmentation to S-wave heavy mesons[J]. PHYSICAL REVIEW D,2009,80(1):-.
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