Constraint on the warped space from B→X<sub>s</sub>γ |
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引用本文: | 陈建宾,冯太傅,高铁军,孙科盛.Constraint on the warped space from B→Xsγ[J].中国物理 C,2013,37(6). |
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作者姓名: | 陈建宾 冯太傅 高铁军 孙科盛 |
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作者单位: | Department of Physics, Dalian University of Technology, Dalian 116024, China |
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摘 要: | We analyze the theoretical prediction on the branching ratio of B→Xsγ to order ΛEW2/ΛKK2 in extension of the standard model with a warped extra dimension and the custodial symmetry SU(3)c×SU(2)L×SU(2)R×U(1)X×PLR, where ΛKK denotes the energy scale of low-lying Kaluze-Klein excitations and ΛEW denotes the electroweak energy scale. Contributions from the in nite series of Kaluze-Klein excitations are summed over through the residue theorem. The numerical result indicates that the present experimental data constrain the parameter space of the concerned model strongly.
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关 键 词: | rare decay warped extra dimension Kaluza-Klein mode |
收稿时间: | 2012-6-13 |
修稿时间: | 2012-8-10 |
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