Leptogenesis without CP Violation at Low Energies

In this letter we give a class of examples where the decays of the heavy Majorana neutrinos may violate CP even if there is no CP violation at low energies, i. e., leptogenesis can take place without Majorana or Dirac type CP phases at low energies.

Detalles Bibliográficos
Autor principal: Rebelo, M.N.
Lenguaje:eng
Publicado: 2002
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.67.013008
http://cds.cern.ch/record/571991
Descripción
Sumario:In this letter we give a class of examples where the decays of the heavy Majorana neutrinos may violate CP even if there is no CP violation at low energies, i. e., leptogenesis can take place without Majorana or Dirac type CP phases at low energies.

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