English

Impact of $\theta_{13}$ on Lepton Flavour Violating processes within SUSY Seesaw

High Energy Physics - Phenomenology 2009-11-11 v2

Abstract

We study the impact of neutrino masses and mixings on LFV processes within the context of the supersymmetric seesaw scenario, where the CMSSM is extended by three right-handed (s)neutrinos. A hierarchical spectrum is considered for both heavy and light neutrinos. We systematically analyse the interesting relation between the leptonic mixing angle θ13\theta_{13} and LFV muon and tau decays, namely ljliγl_j \to l_i \gamma and lj3lil_j \to 3 l_i, and discuss the interplay with the other relevant parameters. We require compatibility with low energy neutrino data, bounds on both LFV decays and charged lepton electric dipole moments, and impose a successful baryogenesis via thermal leptogenesis. Particular emphasis is given to the implications that a future θ13\theta_{13} measurement can have on our knowledge of the heavy neutrino sector.

Keywords

Cite

@article{arxiv.hep-ph/0607263,
  title  = {Impact of $\theta_{13}$ on Lepton Flavour Violating processes within SUSY Seesaw},
  author = {S. Antusch and E. Arganda and M. J. Herrero and A. M. Teixeira},
  journal= {arXiv preprint arXiv:hep-ph/0607263},
  year   = {2009}
}

Comments

44 pages, 25 figures. Some comments and references added. Version to appear in JHEP