Theta_{13}, Rare Decays and Leptonic CP Violation

Details Theta_{13}, Rare Decays and Leptonic CP Violation Theta_{13}, Rare Decays and Leptonic CP Violation

2006-11-29

arxiv.org/abs/hep-ph/0611377v2

Nucl.Phys.B772:133-149,2007; Erratum-ibid.B778:216-217,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Corrected typos and some numerics in calculation of leptogenesis, references added. To be published in Nucl. Phys. B

Scientific paper

10.1016/j.nuclphysb.2007.02.022

We introduce a flavor ${\cal U}(1)$ symmetry \`a la Froggat-Nielsen to explain the magnitude of the CKM mixing angles as well bilarge mixing in the neutrino sector. In the framework of GUTs we also estimate the magnitude of the third leptonic mixing angle $\theta_{13}$. Estimates for rare leptonic decays such as $\mu \to e \ga $ are also provided. Finally, leptogenesis is exploited for estimating the magnitude of leptonic CP violation.

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