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Higgs lepton flavor violation
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
2015 (English)In: Proceedings of Science, Proceedings of Science (PoS) , 2015Conference paper (Refereed)
Abstract [en]

We study lepton-flavor-violating Higgs decays in the light of the recently observed deviation in the H → τμ channel with respect to the Standard Model, which should be confirmed/excluded in the second run of the LHC. Starting from an EFT approach, we discuss both tree-level and looplevel UV completions. In particular, we find that, in agreement with previous analyses, loop-level realizations are in general too suppressed, while models containing at least two Higgs doublets can explain the enhancement. We also analyze well-motivated neutrino mass models that could in principle accommodate the excess, finding two popular examples: the Zee model and left-right symmetric models. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0).

Place, publisher, year, edition, pages
Proceedings of Science (PoS) , 2015.
Keyword [en]
Elementary particles, Lepton flavor violation, Lepton-flavor, Loop level, Neutrino mass models, Symmetric model, The standard model, Tree level, High energy physics
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-194696ScopusID: 2-s2.0-84988628735OAI: diva2:1048915
23rd European Physical Society Conference on High Energy Physics, EPS-HEP 2015, 22 July 2015 through 29 July 2015

QC 20161122

Available from: 2016-11-22 Created: 2016-10-31 Last updated: 2016-11-22Bibliographically approved

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