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Relativistic corrections to the semi-inclusive decay of psi and gamma
Chen, HT; Chen, YQ; Sang, WL; 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PHYSICAL REVIEW D
ISSN1550-7998
卷号85期号:3页码:34017
摘要In the framework of the nonrelativistic quantum chromodynamics factorization formalism, we study the processes of psi (nS) and gamma (nS) decay into a lepton pair or a charm pair associated with two jets up to the next-to-leading order in velocity expansion. We present the analytic expressions for the differential decay rate to the invariant mass of the lepton pair or charm pair. We find that the ratio of the next-to-leading order short-distance coefficient to the leading order one is in the range from -5: 5 to -12:4. The relativistic corrections are so large that they modify the leading order prediction significantly. Utilizing the analytic expressions, we also investigate the relativistic corrections in different kinematic regions and their dependence on the masses of the initial-state quarkonium and the final-state fermion. In addition, we study the momentum distribution of D*+ in the process gamma(1S) -> c (c) over bar gg -> D*+X.
部门归属[Chen, Hai-Ting; Chen, Yu-Qi] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Sang, Wen-Long] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; [Sang, Wen-Long] Korea Univ, Dept Phys, Seoul 136701, South Korea
关键词Quarkonium Decay Heavy Quarkonium Annihilation Upsilon Quarks Qcd
学科领域Physics
资助者NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023]
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收录类别SCI
语种英语
资助者NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023] ; NSFC [10875156]; National Natural Science Foundation of China [10875130, 10935012]; NRF of Korea; MEST [2011-0003023]
WOS记录号WOS:000300094600002
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15162
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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GB/T 7714
Chen, HT,Chen, YQ,Sang, WL,et al. Relativistic corrections to the semi-inclusive decay of psi and gamma[J]. PHYSICAL REVIEW D,2012,85(3):34017.
APA Chen, HT,Chen, YQ,Sang, WL,&Chen, HT .(2012).Relativistic corrections to the semi-inclusive decay of psi and gamma.PHYSICAL REVIEW D,85(3),34017.
MLA Chen, HT,et al."Relativistic corrections to the semi-inclusive decay of psi and gamma".PHYSICAL REVIEW D 85.3(2012):34017.
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