中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Semileptonic B decays into excited charmed mesons (D-1, D-2(*)) in HQEFT

文献类型:期刊论文

作者Wu, YL; Wang, WY; Wang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
刊名INTERNATIONAL JOURNAL OF MODERN PHYSICS A
出版日期2001
卷号16期号:14页码:2505-2531
ISSN号0217-751X
关键词Quark Effective Theory Qcd Sum-rules Wise Form-factors Heavy Mesons Constants Symmetry Hadrons Masses
英文摘要Exclusive semileptonic B decays into excited charmed mesons (D-1, D-2*) are studied up to the order of 1/m(Q) in the framework of the heavy quark effective field theory (HQEFT), which contains the contributions of both particles and antiparticles. Two wave functions eta (b)(0) and eta (c)(0), which characterize the contributions from the kinematic operator at the order of 1/m(Q), are calculated by using QCD sum rule approach in HQEFT. Zero recoil values of other two wave functions kappa (1)' and kappa (2)' are extracted from the excited charmed-meson masses. Possible effects from the transition wave functions arising from the chromomagnetic operators at the order of 1/m(Q) are analyzed. It is shown that the experimental measurements for the branching ratios of B --> D(1)lv and B --> D-2*lv can be understood in the framework of HQEFT.
学科主题Physics
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WOS记录号WOS:000169549500004
公开日期2012-08-29
源URL[http://ir.itp.ac.cn/handle/311006/12728]  
专题理论物理研究所_理论物理所1978-2010年知识产出
通讯作者Wang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
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Wu, YL,Wang, WY,Wang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.. Semileptonic B decays into excited charmed mesons (D-1, D-2(*)) in HQEFT[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2001,16(14):2505-2531.
APA Wu, YL,Wang, WY,&Wang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(2001).Semileptonic B decays into excited charmed mesons (D-1, D-2(*)) in HQEFT.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,16(14),2505-2531.
MLA Wu, YL,et al."Semileptonic B decays into excited charmed mesons (D-1, D-2(*)) in HQEFT".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 16.14(2001):2505-2531.

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来源:理论物理研究所

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