ITP OpenIR  > 理论物理所科研产出  > SCI论文
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.
Charmed-Hadron Productionin gamma(1S) Semi-inclusive Decay
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
Language英语
KeywordQuarkonium Decay Matrix-elements S-wave Annihilation Qcd
AbstractIn 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.
2012
ISSN0253-6102
Volume57Issue:4Pages:665-676
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational 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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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15128
Collection理论物理所科研产出_SCI论文
Corresponding AuthorChen, HT (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
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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