Constraint on the warped space from B→X&lt;sub&gt;s&lt;/sub&gt;γ

CHEN Jian-Bin; FENG Tai-Fu; GAO Tie-Jun; SUN Ke-Sheng

doi:10.1088/1674-1137/37/6/063102

Chinese Physics C> 2013, Vol. 37> Issue(6) : 063102 DOI: 10.1088/1674-1137/37/6/063102

Constraint on the warped space from B→Xsγ

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Abstract：
We analyze the theoretical prediction on the branching ratio of B→X_sγ to order Λ_EW²/Λ_KK² 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×P_LR, where Λ_KK denotes the energy scale of low-lying Kaluze-Klein excitations and Λ_EW 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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CHEN Jian-Bin, FENG Tai-Fu, GAO Tie-Jun and SUN Ke-Sheng. Constraint on the warped space from B→Xsγ[J]. Chinese Physics C, 2013, 37(6): 063102. doi: 10.1088/1674-1137/37/6/063102

CHEN Jian-Bin, FENG Tai-Fu, GAO Tie-Jun and SUN Ke-Sheng. Constraint on the warped space from B→Xsγ[J]. Chinese Physics C, 2013, 37(6): 063102. doi: 10.1088/1674-1137/37/6/063102 shu

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Received: 2012-06-13
Revised: 2012-08-10

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Constraint on the warped space from B→Xsγ

Received Date: 2012-06-13

Accepted Date: 2012-08-10

Available Online: 2013-06-05

Abstract: We analyze the theoretical prediction on the branching ratio of B→X_sγ to order Λ_EW²/Λ_KK² 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×P_LR, where Λ_KK denotes the energy scale of low-lying Kaluze-Klein excitations and Λ_EW 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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Constraint on the warped space from B→X<sub>s</sub>γ

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