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Chang, CH; Lu, CD; Wang, GL; Zong, HS; Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
Pure leptonic decays of the B-c meson and their radiative corrections
Source PublicationPHYSICAL REVIEW D
KeywordHadronic Production Quark-model Physics Tev
AbstractThe 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].
1999
ISSN0556-2821
Volume60Issue:11Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13061
Collection理论物理所科研产出_SCI论文
Corresponding AuthorChang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
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):-.
APA Chang, CH,Lu, CD,Wang, GL,Zong, HS,&Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China..(1999).Pure leptonic decays of the B-c meson and their radiative corrections.PHYSICAL REVIEW D,60(11),-.
MLA Chang, CH,et al."Pure leptonic decays of the B-c meson and their radiative corrections".PHYSICAL REVIEW D 60.11(1999):-.
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