Neutral Higgs Effects on Rare Decay B→Xsl+l－ in the T2HDM

LV Lin-Xia; XIAO Zhen-Jun

Chinese Physics C> 2007, Vol. 31> Issue(8) : 708-714

Neutral Higgs Effects on Rare Decay B→X_sl⁺l^－ in the T2HDM

LV Lin-Xia ^, ,
XIAO Zhen-Jun

Department of Physics and Institute of Theoretical Physics, Nanjing Normal University, Nanjing 210097, China2 Department of Physics, Nanyang Teacher's College, Nanyang 473061, China

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Abstract：
We calculate the new physics contributions to the branching ratios of the rare decays B→X_sl⁺l^－(l=e,μ) induced by neutral Higgs bosons loop diagrams in the top quark two-Higgs-doublet model (T2HDM). From the numerical calculations, we find that (a) the neutral Higgs boson's correction to B→X_sl⁺l^－ decays interferes constructively with its standard model counterpart, but small in magnitude; (b) the neutral Higgs contributions to the branching ratio of B→X_sl⁺l^－ decay can be neglected safely if their masses are larger than 100GeV and tanβ≤40.

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LV Lin-Xia and XIAO Zhen-Jun. Neutral Higgs Effects on Rare Decay B→X_sl⁺l^－ in the T2HDM[J]. Chinese Physics C, 2007, 31(8): 708-714.

LV Lin-Xia and XIAO Zhen-Jun. Neutral Higgs Effects on Rare Decay B→X_sl⁺l^－ in the T2HDM[J]. Chinese Physics C, 2007, 31(8): 708-714. shu

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Received: 2006-10-25
Revised: 2007-02-02

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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

Neutral Higgs Effects on Rare Decay B→X_sl⁺l^－ in the T2HDM

Corresponding author: LV Lin-Xia,

Department of Physics and Institute of Theoretical Physics, Nanjing Normal University, Nanjing 210097, China2 Department of Physics, Nanyang Teacher's College, Nanyang 473061, China

Received Date: 2006-10-25

Accepted Date: 2007-02-02

Available Online: 2007-08-05

Abstract: We calculate the new physics contributions to the branching ratios of the rare decays B→X_sl⁺l^－(l=e,μ) induced by neutral Higgs bosons loop diagrams in the top quark two-Higgs-doublet model (T2HDM). From the numerical calculations, we find that (a) the neutral Higgs boson's correction to B→X_sl⁺l^－ decays interferes constructively with its standard model counterpart, but small in magnitude; (b) the neutral Higgs contributions to the branching ratio of B→X_sl⁺l^－ decay can be neglected safely if their masses are larger than 100GeV and tanβ≤40.

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Neutral Higgs Effects on Rare Decay B→X_sl⁺l^－ in the T2HDM

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