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题名: Pure leptonic decays of the B-c meson and their radiative corrections
作者: Chang, CH ;  Lu, CD ;  Wang, GL ;  Zong, HS
刊名: PHYSICAL REVIEW D
出版日期: 1999
卷号: 60, 期号:11, 页码:-
关键词: HADRONIC PRODUCTION ;  QUARK-MODEL ;  PHYSICS ;  TEV
学科分类: Physics
通讯作者: Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
部门归属: CCAST, World Lab, Beijing 100080, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Hiroshima Univ, Dept Phys, Higashihiroshima 7398526, Japan; Nanjing Univ, Dept Phys, Nanjing 210008, Peoples R China
英文摘要: The one-loop radiative corrections to the pure leptonic decay B-c-->l nu(l) are presented. We treat the infrared divergences appearing in the loop calculations together with those in the radiative decay B-c-->l nu(l)gamma. The divergences are finally canceled by each other to make the results finite. It is emphasized that the radiative decay may be separated properly from the pure leptonic decays. We can compare our results with the experimental measurements directly as long as the theoretical "softness" of the photon corresponds to the experimental resolutions. Furthermore with the nonrelativistic constituent quark model, the typical long distance contributions to the radiative decays are estimated, and it is shown that the contributions are negligible in comparison with the accuracy of one-loop corrections and the expected experimental measurements. [S0556-2821(99)05319-9].
收录类别: SCI
WOS记录号: WOS:000084138100032
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13061
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:
Chang, CH,Lu, CD,Wang, GL,et al. Pure leptonic decays of the B-c meson and their radiative corrections[J]. PHYSICAL REVIEW D,1999,60(11):-.
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