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QCD sum rule analysis for the Lambda(b)->Lambda(c) semileptonic decay
Dai, YB; Huang, CS; Huang, MQ; Liu, C; Dai, YB , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
1996
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号387期号:2页码:379-385
摘要The 1/m(c) and 1/m(b) corrections to the Lambda(b) --> Lambda(c) semileptonic decay are analyzed by QCD sum rules, Within the framework of heavy quark effective theory, the subleading baryonic Isgur-Wise function of Lambda(b) --> Lambda(c) has been calculated. It is shown that the corrections due to the 1/m Lagrangian insertion are negligibly small. The sizable 1/m(Q) effect to the decay lies only in the weak current. The decay spectrum and the branching ratio are given.
部门归属CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
关键词Quark Effective Theory Meson Form-factors Heavy-quark Quantum Chromodynamics Symmetry-breaking Baryons Constants Masses
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12573
专题理论物理所SCI论文
通讯作者Dai, YB , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
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Dai, YB,Huang, CS,Huang, MQ,et al. QCD sum rule analysis for the Lambda(b)->Lambda(c) semileptonic decay[J]. PHYSICS LETTERS B,1996,387(2):379-385.
APA Dai, YB,Huang, CS,Huang, MQ,Liu, C,&Dai, YB , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA..(1996).QCD sum rule analysis for the Lambda(b)->Lambda(c) semileptonic decay.PHYSICS LETTERS B,387(2),379-385.
MLA Dai, YB,et al."QCD sum rule analysis for the Lambda(b)->Lambda(c) semileptonic decay".PHYSICS LETTERS B 387.2(1996):379-385.
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