Higgs-induced lepton flavor violation

Details Higgs-induced lepton flavor violation Higgs-induced lepton flavor violation

2011-11-07

arxiv.org/abs/1111.1715v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, added experimental limits on plots, version in press

Scientific paper

10.1016/j.physletb.2011.12.059

Due to the smallness of the lepton Yukawa couplings, higher-dimensional operators can give a significant contribution to the lepton masses. In this case, the lepton mass matrix and the matrix of lepton-Higgs couplings are misaligned leading to lepton flavor violation (LFV) mediated by the Standard Model Higgs boson. We derive model-independent bounds on the Higgs flavor violating couplings and quantify LFV in decays of leptons and electric dipole moments for a class of lepton-Higgs operators contributing to lepton masses. We find significant Higgs-mediated LFV effects at both 1-loop and 2-loop levels.

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