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Charmed-Hadron Productionin gamma(1S) Semi-inclusive Decay
Chen, HT; Sang, WL; Wu, P; Chen, HT (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
2012
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号57期号:4页码:665-676
摘要In the framework of the NRQCD factorization formalism, we calculate the decay rate for the process gamma(1S) -> c (c) over bar gg to the next-to-leading order (NLO) in the relative velocity v of the b quark in the bottomonium rest frame. We also study the momentum distributions of the charm quark and the charmed-hadron in the decay. The momentum distribution of the charmed-hadron is obtained by convolving the charm quark momentum distribution with a fragmentation function of the charm quark into the hadron. In addition, we fit the nonperturbative NRQCD matrix elementh < v(2)>gamma through comparing the theoretical prediction with the measurement from the BaBar collaboration for the decay rate of gamma(1S) -> D*(+) X. In return, taking this matrix element as an input parameter, we predict the decay rates as well as the momentum distributions for a collection of charmed-hadrons in the process gamma(1S) -> c (c) over bar gg -> hX.
部门归属[Chen Hai-Ting; Wu Pei] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Sang Wen-Long] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China
关键词Quarkonium Decay Matrix-elements S-wave Annihilation Qcd
学科领域Physics
资助者National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156]
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156] ; National Natural Science Foundation of China [10875130, 10935012, 10875156]
WOS记录号WOS:000303049000022
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15128
专题理论物理所SCI论文
通讯作者Chen, HT (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
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Chen, HT,Sang, WL,Wu, P,et al. Charmed-Hadron Productionin gamma(1S) Semi-inclusive Decay[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2012,57(4):665-676.
APA Chen, HT,Sang, WL,Wu, P,&Chen, HT .(2012).Charmed-Hadron Productionin gamma(1S) Semi-inclusive Decay.COMMUNICATIONS IN THEORETICAL PHYSICS,57(4),665-676.
MLA Chen, HT,et al."Charmed-Hadron Productionin gamma(1S) Semi-inclusive Decay".COMMUNICATIONS IN THEORETICAL PHYSICS 57.4(2012):665-676.
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