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Semileptonic B(B(s), B(c)) decays in the light-cone QCD sum rules
黄涛(理); Zuo F(左芬); Huang, T; Li, ZH; Wu, XG; Zuo, F
2008
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷号23期号:21页码:3237-3245
通讯作者[Huang, Tao ; Zuo, Fen] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Li, Zuo-Hong] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China ; [Wu, Xing-Gang] Chongqing Univ, Dept Phys, Chongqing 400044, Peoples R China ; [Zuo, Fen] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
文章类型Article; Proceedings Paper
摘要Semileptonic B(Bs, Bc) decays are investigated systematically in the light-cone QCD sum rules. Special emphasis is put on the LCSR calculation on weak form factors with an adequate chiral current correlator, which turns out to be particularly effective to control the pollution by higher twist components of spectator mesons. The result for each channel depends on the distribution amplitude of the the producing meson. The leading twist distribution amplitudes of the related heavy mesons and charmonium are worked out by a model approach in the reasonable way. A practical scenario is suggested to understand the behavior of weak form factors in the whole kinematically accessible ranges. The decay widths and branching ratios are estimated for several B(Bc) decay modes of current interest.
关键词hadronic matrix elements light-cone sum rules form factors light-cone wave-functions
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1142/S0217751X0804189X
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000259545800014
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239886
专题理论物理室
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Huang T,Zuo F,Huang, T,et al. Semileptonic B(B(s), B(c)) decays in the light-cone QCD sum rules[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2008,23(21):3237-3245.
APA 黄涛,左芬,Huang, T,Li, ZH,Wu, XG,&Zuo, F.(2008).Semileptonic B(B(s), B(c)) decays in the light-cone QCD sum rules.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,23(21),3237-3245.
MLA 黄涛,et al."Semileptonic B(B(s), B(c)) decays in the light-cone QCD sum rules".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 23.21(2008):3237-3245.
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