ITP OpenIR  > 理论物理所1978-2010年知识产出
The B -> X(s)l(+)l(-) and B -> Xs gamma decays with the fourth generation
Huang, CS; Huo, WJ; Wu, YL; Huang, CS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
1999
发表期刊MODERN PHYSICS LETTERS A
ISSN0217-7323
卷号14期号:35页码:2453-2462
摘要If the fourth generation fermions exist, the new quarks could influence the branching ratios of the decays of B --> X(s)gamma and B --> X(s)l(+)l(-). We obtain two solutions of the fourth generation CKM factor V-t'*V-s(t'b) from the decay of B --> X(s)gamma. We use these two solutions to calculate the new contributions of the fourth generation quark to Wilson coefficients of the decay of B --> X(s)l(+)l(-). The branching ratio and the forward-backward asymmetry of the decay of B --> X(s)l(+)l(-) in the two cases are calculated. Our results are quite different from that of SM in one case, almost the same in another case. If Nature chooses the former, the B meson decays could provide a possible test of the fourth generation existence.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Radiative-b-decays 4th Generation Meson Decay Model Doublet Quark Top
学科领域Physics
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收录类别SCI
WOS记录号WOS:000084450400006
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被引频次:26[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/311006/13063
专题理论物理所1978-2010年知识产出
通讯作者Huang, CS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Huang, CS,Huo, WJ,Wu, YL,et al. The B -> X(s)l(+)l(-) and B -> Xs gamma decays with the fourth generation[J]. MODERN PHYSICS LETTERS A,1999,14(35):2453-2462.
APA Huang, CS,Huo, WJ,Wu, YL,&Huang, CS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(1999).The B -> X(s)l(+)l(-) and B -> Xs gamma decays with the fourth generation.MODERN PHYSICS LETTERS A,14(35),2453-2462.
MLA Huang, CS,et al."The B -> X(s)l(+)l(-) and B -> Xs gamma decays with the fourth generation".MODERN PHYSICS LETTERS A 14.35(1999):2453-2462.
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