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Multi Higgs production via photon fusion at future multi-TeV muon colliders

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arxiv 2109.10109 v2 pith:2DHQTN6M submitted 2021-09-21 hep-ph

Multi Higgs production via photon fusion at future multi-TeV muon colliders

classification hep-ph
keywords gammamuonproductionbosoncollidershiggsmodelmulti-tev
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Multi-TeV muon colliders promise an unprecedented potential for exploring the particle-physics energy frontier, and, at the same time, can probe with fantastic accuracy the precise structure of the Standard Model, and in particular of the Higgs boson sector. Here we consider the possibility to measure the loop-suppressed single-, double-, triple-Higgs boson production mediated by the collinear-photon scattering in the channels $\mu^+\mu^-\to\mu^+\mu^-\gamma^\ast \gamma^\ast \to \mu^+\mu^- [H,HH,HHH]$. We study total rates and kinematical distributions in the Standard Model, and compare them with the corresponding vector-boson-fusion processes $V^\ast V^\ast\to H,HH,HHH$ at muon collisions center-of-mass energies in the range between 1.5 and 100 TeV. Possible strategies for enhancing the $\gamma\gamma\to H,HH,HHH$ signal over the dominant vector-boson-fusion production are proposed. The sensitivity of total rates to possible anomalies in the Higgs-boson self-couplings is also discussed.

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Cited by 4 Pith papers

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