Non-Unitary Lepton Mixing Matrix, Leptogenesis and Low Energy CP Violation - High Energy Physics - PhenomenologyReportar como inadecuado




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Abstract: It is well-known that for unflavored leptogenesis there is in general noconnection between low and high energy CP violation. We stress that for anon-unitary lepton mixing matrix this may not be the case. We give anillustrative example for this connection and show that the non-standard CPphases that are induced by non-unitarity can be responsible for observableeffects in neutrino oscillation experiments as well as for the generation ofthe baryon asymmetry of the Universe. Lepton Flavor Violation in decays such astau -> mu gamma can also be induced at an observable level. We also comment onneutrino mass limits from leptogenesis, which get barely modified in case of anon-unitary mixing matrix.



Autor: Werner Rodejohann

Fuente: https://arxiv.org/



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