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Semileptonic B decays into excited charmed mesons (D-1, D-2(*)) in HQEFT
Wang, WY; Wu, YL; Wang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
2001
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS A
ISSN0217-751X
卷号16期号:14页码:2505-2531
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.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Quark Effective Theory Qcd Sum-rules Wise Form-factors Heavy Mesons Constants Symmetry Hadrons Masses
学科领域Physics
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收录类别SCI
WOS记录号WOS:000169549500004
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12728
专题理论物理所SCI论文
通讯作者Wang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
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GB/T 7714
Wang, WY,Wu, YL,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 Wang, WY,Wu, YL,&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 Wang, WY,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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