Controlled fermion mixing and FCNCs in a ∆(27) 3+1 Higgs Doublet Model

FCNCs in supersymmetric multi-Higgs doublet models

We conduct a general discussion of supersymmetric models with three families in the Higgs sector. We analyse the scalar potential, and investigate the minima conditions, deriving the mass matrices for the scalar, pseudoscalar and charged states. Depending on the Yukawa couplings and the Higgs spectrum, the model might allow the occurrence of potentially dangerous flavour changing neutral curren...

Fermion mass effects on Γ ( Z → bb̄ + a light Higgs ) in a two - Higgs - doublet model

Fermion mass effects on Γ(Z → b ¯ b + a light Higgs) in a two-Higgs-doublet model Abstract Large fermion mass effect on the Yukawa process Z → b ¯ b → b ¯ bh(A) in the entire range of the neutral Higgs boson masses is found. It is particularly important for light Higgs bosons, which are still not excluded experimentally in a general two-Higgs-doublet model. The light Higgs bosons in the context...

Simple Two Higgs Doublet Model

2HDMC – a two Higgs Doublet Model Calculator

We present the program 2HDMC and how it can be used to explore the physics of general CP-conserving two Higgs doublet models. c Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.

Decay in Two Higgs Doublet Model

The rare K + → π + ν ¯ ν decay is investigated in the context of type II two-Higgs-doublet model (2HDM). By using the existing experimental data of the branching ratio, restrictions on the free parameters of the model m H , and tanβ are obtained: 0.7 ≤ tanβ ≤ 0.8, and 500GeV ≤ m H ≤ 700GeV .