Prospect and implications of $cg\to bH^+\to b A W^+$ production at the LHC

Wei-Shu Hou; Tanmoy Modak

doi:10.1103/PhysRevD.103.075015

paper

Prospect and implications of $c g \to b H^{+} \to b A W^{+}$ production at the LHC

arXiv:2103.13082 · doi:10.1103/PhysRevD.103.075015

Abstract

We study the prospect for discovering the $c g \to b H^{+} \to b A W^{+}$ process at the LHC. Induced by the top-flavor changing neutral Higgs coupling $ρ_{t c}$ , the process may emerge if $m_{H^{+}} > m_{A} + m_{W^{+}}$ , where $H^{+}$ and $A$ are charged and $C P$ -odd Higgs bosons in the general two Higgs Doublet Model (g2HDM). We show that the $c g \to b H^{+} \to b A W^{+}$ process can be discovered at LHC Run 3, while the full Run 2 data at hand can constrain the parameter space significantly by searching for the same-sign dilepton final state. The process has unique implications on the hint of $g g \to A \to t t ˉ$ excess at $m_{A} \approx 400$ GeV reported by CMS. When combined with other existing constraints, the $c g \to b H^{+} \to b A W^{+}$ process can essentially rule out the g2HDM explanation of such an excess.

arXiv commentmatches the published version

Prospect and implications of $c g \to b H^{+} \to b A W^{+}$ production at the LHC

Abstract

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Prospect and implications of cg→bH+→bAW+ production at the LHC

Abstract

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Prospect and implications of $c g \to b H^{+} \to b A W^{+}$ production at the LHC