Precise correction to parameter ρ in the littlest Higgs model

Farshid Tabbakh; F.Farnoudi

doi:10.1088/1674-1137/32/2/005

Chinese Physics C> 2008, Vol. 32> Issue(2) : 100-103 DOI: 10.1088/1674-1137/32/2/005

Precise correction to parameter ρ in the littlest Higgs model

Farshid Tabbakh ^, ,
F.Farnoudi

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Abstract：
In this paper tree-level violation of weak isospin parameter, ρ in the frame of the littlest Higgs model is studied. The potentially large deviation from the standard model prediction for the ρ in terms of the littlest Higgs model parameters is calculated. The maximum value for ρ for f=1TeV, c=0.05,c′= 0.05 and υ′= 1.5GeV is ρ=1.2973 which means a large enhancement than the SM.

References

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Farshid Tabbakh and F.Farnoudi. Precise correction to parameter ρ in the littlest Higgs model[J]. Chinese Physics C, 2008, 32(2): 100-103. doi: 10.1088/1674-1137/32/2/005

Farshid Tabbakh and F.Farnoudi. Precise correction to parameter ρ in the littlest Higgs model[J]. Chinese Physics C, 2008, 32(2): 100-103. doi: 10.1088/1674-1137/32/2/005 shu

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Received: 2007-03-19
Revised: 2007-05-14

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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

Precise correction to parameter ρ in the littlest Higgs model

Corresponding author: Farshid Tabbakh,

Received Date: 2007-03-19

Accepted Date: 2007-05-14

Available Online: 2008-02-05

Abstract: In this paper tree-level violation of weak isospin parameter, ρ in the frame of the littlest Higgs model is studied. The potentially large deviation from the standard model prediction for the ρ in terms of the littlest Higgs model parameters is calculated. The maximum value for ρ for f=1TeV, c=0.05,c′= 0.05 and υ′= 1.5GeV is ρ=1.2973 which means a large enhancement than the SM.

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Precise correction to parameter ρ in the littlest Higgs model

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