Optimising Charged Higgs Boson Searches at the Large Hadron Collider Across $b\bar b W^\pm$ Final States

TL;DR

This paper evaluates the Large Hadron Collider's potential to detect heavy charged Higgs bosons in specific decay channels within a 2-Higgs Doublet Model, considering recent experimental constraints and different collider scenarios.

Contribution

It provides a detailed analysis of charged Higgs boson search prospects at the LHC in the $bar b W^\pm$ final states, incorporating latest data and theoretical constraints.

Findings

Detection prospects are promising at various Run 2 energy and luminosity levels.

The dominant production mode is $bg o tH^-$ for $M_{H^\pm}\ge 480$ GeV.

Significant sensitivity is achievable for heavy charged Higgs bosons within the considered model.

Abstract

In the light of the most recent data from Higgs boson searches and analyses, we re-assess the scope of the Large Hadron Collider in accessing heavy charged Higgs boson signals in $b\bar b W^\pm$ final states, wherein the contributing channels can be $H^+\to t\bar b$, $hW^\pm, HW^\pm$ and $AW^\pm$. We consider a 2-Higgs Doublet Model Type-II and we assume as production mode $bg\to tH^-$ + c.c., the dominant one over the range $M_{H^\pm}\ge 480$ GeV, as dictated by $b\to s\gamma$ constraints. Prospects of detection are found to be significant for various Run 2 energy and luminosity options.