Abstract
A light charged Higgs boson has been searched for at the Large Hadron Collider (LHC) via top (anti)quark decay, i.e., t→bH+, if kinematically allowed. In this contribution, we propose new channels for light charged Higgs boson searches via the pair productions pp→H±h/A and pp→H+H− at the LHC in the context of the Two-Higgs Doublet Model (2HDM) Type-I. By focusing on a case where the heavy H state is the Standard Model (SM)-like one already observed, we investigate the production of the aforementioned charged Higgs bosons and their bosonic decay channels, namely, H±→W±h and/or H±→W±A. We demonstrate that such production and decay channels can yield substantial alternative discovery channels for H± bosons at the LHC. Finally, we propose eight benchmark points (BPs) to motivate the search for such signatures.
Highlights
We show that signatures from such pair productions followed by H ± → W ± h and/or H ± → W ± A decays may lead to new discovery channels for light charged Higgs bosons searches at the Large Hadron Collider (LHC)
We target the signatures of light charged Higgs bosons from processes involving top quarks and di-Higgs processes, i.e., gg, qq → tt → tbH −
It is clear that signatures from di-Higgs processes can yield substantial alternative discovery modes for charged Higgs bosons at the LHC in the context of the
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. If the mass of the charged Higgs boson approaches the maximum, this approximation becomes invalid, and it is quite appropriate to target the process pp → tbH − to search instead [3]. This contribution revisits these two H ± production channels for the upcoming LHC Run 3 and compares them to the pair productions pp → H ± h/A and pp → H + H − in the 2HDM. We show that signatures from such pair productions followed by H ± → W ± h and/or H ± → W ± A decays may lead to new discovery channels for light charged Higgs bosons searches at the LHC.
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