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Revista mexicana de física
versão impressa ISSN 0035-001X
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ARROYO-URENA, M. A.; GAITAN, R.; MONTES DE OCA, J.H. e SANCHEZ-VELEZ, R.. Lepton flavor violating h→τµ decay induced by leptoquarks. Rev. mex. fis. [online]. 2021, vol.67, n.4, e040801. Epub 14-Mar-2022. ISSN 0035-001X. https://doi.org/10.31349/revmexfis.67.040801.
The flavor, changing neutral current decay h → τµ is studied in a renormalizable scalar leptoquark model with no proton decay. Analytical expressions for the one-loop level contributions of a scalar leptoquark to the decay width of the process h → τµ are presented. We find a viable model parameter space via the current constraints on the muon (g − 2), the decays τ → µγ, µ → eγ, the LHC Higgs boson data and the direct leptoquark searches at the LHC. Then, we evaluate the branching ratio of the decay h → τµ induced by leptoquarks, which is of order 10−9 −10−7. We find that with the branching ratio so suppressed, it will be difficult to observe the h → τµ decay in current colliders, but potential evidence could be observed at the Future hadron-hadron Circular Collider.
Palavras-chave : Rare Higgs decays; scalar leptoquarks; flavor violating processes.
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