The $\mu \to e\gamma$ and $\tau \to \mu \gamma$ decays in the general two Higgs Doublet model with the inclusion of one universal extra dimension

Abstract

We study the effect of one universal extra dimension on the branching ratios of the lepton flavor violating processes μ\to eγand τ\to μγin the general two Higgs doublet model. We observe that these new effects are tiny for the small values of the compactification radius R. Furthermore, we see that these effects are comparable with the branching ratio obtained without including extra dimension, if the neutral Higgs bosons are nearly degenerate and the complexity of the Yukawa coupling, inducing the vertex tau-tau-$h^0(A^0)$, is large.

arXiv comment16 Pages, 8 Figures

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• Discrimination of Supersymmetry and Universal Extra Dimensions at Hadron Colliders
• Precise Calculation of the Relic Density of Kaluza-Klein Dark Matter in Universal Extra Dimensions
• Higgs-Mediated tau --> mu and tau --> e transitions in II Higgs doublet Model and Supersymmetry
• Lepton flavor violation in Higgs boson decays under the rare tau decay results
• Higgs-Mediated e -> mu transitions in II Higgs doublet Model and Supersymmetry
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• The effects of non-universal extra dimensions on the fermion electric dipole moments in the two Higgs doublet model
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• The effect of the Gaussian profile of the new Higgs doublet on the radiative lepton flavor violating decay