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Comparison between $\mu^{-}\mu^{+}$ and $e^{-}e^{+}$ colliders for charged Higgs production in 2HDM
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abstract
We study the phenomenology of the charged Higgs boson at future muon colliders. We investigate both the pair production $\mu^+ \mu^- \to H^+ H^-$, the single production $\mu^+ \mu^- \to W^\pm H^\mp$, as well as the Vector Boson Fusion (VBF) $\{e^+e^-, \mu^+ \mu^-\} \to \nu \bar{\nu} H^+ H^-$. We show that the neutral Higgs exchange diagrams in the muon collider case can lead to a significant boost in the cross sections through their Yukawa couplings. Our results for the muon collider are systematically compared to the corresponding ones at $e^+e^-$ machines. It is demonstrated that the vector boson fusion (VBF) $e^+e^- \to \nu \bar{\nu} H^+ H^-$ can compete with the mentioned $2\to 2$ processes. We select benchmark points and perform signal-background analyses, taking into account detector simulations. We demonstrate the discovery region at $5\sigma$ and the excluded region at $2\sigma$ levels at a 3 TeV muon collider.
Forward citations
Cited by 4 Pith papers
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On the Robustness of type-II Seesaw Collider Searches
Adding a single effective operator that makes the doubly charged Higgs decay into two leptons and a photon weakens current ATLAS limits from ~1.1 TeV to ~0.7 TeV, but requiring a hard photon in the final state restore...
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Searching for charged Higgs bosons via $e^+ e^- \to H^\pm W^\mp S$ at the ILC
A detector-level Monte Carlo study shows that e+e- -> H± W∓ S in the type-X 2HDM could be discovered at the ILC with 500 GeV and 500 fb^-1.
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Probing maximal flavor changing $Z'$ in $U(1)_{L_\mu-L_\tau}$ at $\mu$TRISTAN
MuTRISTAN's mu+mu+ mode could discover a mu-tau flavor-changing Z' with gauge coupling near 0.024 for masses around 500 GeV.
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A comprehensive study of the charged Higgs boson in the two Higgs doublet type-II seesaw model
Charged Higgs production rates and 5-sigma discovery regions at a 3 TeV muon collider are computed for the 2HDMcT Type-III seesaw model, with the H1+ H1- channel exceeding the e+e- rate.
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