Journal
PHYSICS LETTERS B
Volume 707, Issue 3-4, Pages 369-374Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2011.12.059
Keywords
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Funding
- Landes-Exzellenzinitiative Hamburg
- German Research Foundation DFG [STO876/2-1]
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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. (C) 2011 Elsevier B.V. All rights reserved.
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