Higgs-flavon mixing and h -> mu tau

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Huitu , K , Keus , V , Koivunen , N & Lebedev , O 2016 , ' Higgs-flavon mixing and h - > mu tau ' , Journal of High Energy Physics , vol. 2016 , no. 05 , 026 . https://doi.org/10.1007/JHEP05(2016)026

Title: Higgs-flavon mixing and h -> mu tau
Author: Huitu, Katri; Keus, Venus; Koivunen, Niko; Lebedev, Oleg
Contributor organization: Department of Physics
Helsinki Institute of Physics
Date: 2016-05-04
Language: eng
Number of pages: 18
Belongs to series: Journal of High Energy Physics
ISSN: 1029-8479
DOI: https://doi.org/10.1007/JHEP05(2016)026
URI: http://hdl.handle.net/10138/185067
Abstract: ATLAS and CMS have reported an excess in the flavor violating decay of the Higgs boson, h -> mu tau. We show that this result can be accommodated through a mixing of the Higgs with a flavon, the field responsible for generating the Yukawa matrices in the lepton sector. We employ a version of the Froggatt-Nielsen mechanism at the electroweak scale, with only the leptons and the flavon transforming non-trivially under the corresponding symmetry group. Non-observation of charged lepton flavor violation (LFV) in other processes imposes important constraints on the model, which we find to be satisfied in substantial regions of parameter space.
Subject: Beyond Standard Model
Higgs Physics
Discrete Symmetries
Gauge Symmetry
114 Physical sciences
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion

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