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Probing Higgs-muon interactions at a multi-TeV muon collider

Authors :
Celada, Eugenia
Han, Tao
Kilian, Wolfgang
Kreher, Nils
Ma, Yang
Maltoni, Fabio
Pagani, Davide
Reuter, Jürgen
Striegl, Tobias
Xie, Keping
Source :
JHEP08(2024)021
Publication Year :
2023

Abstract

We study the capabilities of a muon collider, at 3 and 10 TeV center-of-mass energy, of probing the interactions of the Higgs boson with the muon. We consider all the possible processes involving the direct production of EW bosons ($W,Z$ and $H$) with up to five particles in the final state. We study these processes both in the HEFT and SMEFT frameworks, assuming that the dominant BSM effects originate from the muon Yukawa sector. Our study shows that a Muon Collider has sensitivity beyond the LHC, as it not only relies on the Higgs-decay branching fraction to muons. A 10 TeV muon collider provides a unique sensitivity on muon and (multi-) Higgs interactions, significantly better than the 3 TeV option. We find searches based purely on multi-Higgs production to be particularly effective in probing these couplings.<br />Comment: Published on JHEP

Details

Database :
arXiv
Journal :
JHEP08(2024)021
Publication Type :
Report
Accession number :
edsarx.2312.13082
Document Type :
Working Paper
Full Text :
https://doi.org/10.1007/JHEP08(2024)021