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题名: Higgs-boson and Z-boson flavor-changing neutral-current decays correlated with B-meson decays in the littlest Higgs model with T parity
作者: Han, Xiao-Fang ;  Wang, Lei ;  Yang, Jin Min
刊名: PHYSICAL REVIEW D
出版日期: 2008
卷号: 78, 期号:7, 页码:-
关键词: TOP-QUARK ;  CP NONCONSERVATION ;  TECHNICOLOR MODELS ;  PARTICLE PHYSICS ;  SUPERSYMMETRY
学科分类: Physics
通讯作者: Han, XF , Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China
部门归属: [Han, XF; Wang, L; Yang, JM] Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: In the littlest Higgs model with T-parity new flavor-changing interactions between mirror fermions and the standard model (SM) fermions can induce various flavor-changing neutral-current decays for B-mesons, the Z-boson, and the Higgs boson. Since all these decays induced in the littlest Higgs with T-parity model are correlated, in this work we perform a collective study for these decays, namely, the Z-boson decay Z -> b(s)overbar, the Higgs-boson decay h -> b(s)overbar, and the B-meson decays B -> X(s)gamma, B(s)->mu(+)mu(-), and B -> X(s)mu(+)mu(-). We find that under the current experimental constraints from the B-decays, the branching ratios of both Z -> b(s)overbar and h -> b(s)overbar can still deviate from the SM predictions significantly. In the parameter space allowed by the B-decays, the branching ratio of Z -> b(s)overbar can be enhanced up to 10(-7) (about one order above the SM prediction) while h -> b(s)overbar can be much suppressed relative to the SM prediction (about one order below the SM prediction).
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000260574800097
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5450
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Han, Xiao-Fang,Wang, Lei,Yang, Jin Min. Higgs-boson and Z-boson flavor-changing neutral-current decays correlated with B-meson decays in the littlest Higgs model with T parity[J]. PHYSICAL REVIEW D,2008,78(7):-.
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