Charged Higgs phenomenology in the flipped two Higgs doublet model

TL;DR

This paper explores the unique phenomenology of charged Higgs bosons within the flipped two Higgs doublet model, analyzing decay modes, constraints, and potential search strategies at colliders.

Contribution

It provides a detailed analysis of charged Higgs decay patterns, constraints from past experiments, and proposes extended search strategies for the LHC in the flipped two Higgs doublet model.

Findings

Charged Higgs branching ratios are characterized for the model.

Existing LEP and Tevatron constraints are adapted to the flipped model.

LHC search strategies could be improved for certain mass ranges.

Abstract

We study the phenomenology of the charged Higgs boson in the "flipped" two Higgs doublet model, in which one doublet gives mass to up-type quarks and charged leptons and the other gives mass to down-type quarks. We present the charged Higgs branching ratios and summarize the indirect constraints. We extrapolate existing LEP searches for H+H- and Tevatron searches for t tbar with t --> H+ b into the flipped model and extract constraints on MH+ and the parameter tan(beta). We finish by reviewing existing LHC charged Higgs searches and suggest that the LHC reach in this model could be extended for charged Higgs masses below the tb threshold by considering t tbar with t --> H+ b and H+ --> q qbar, as has been used in Tevatron searches.