Fermion masses, leptogenesis and supersymmetric SO (10) unification
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Fermion masses, leptogenesis and supersymmetric SO (10) unification

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Fermion masses, leptogenesis and supersymmetric SO (10) unification

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dc.contributor.author Romao, J. C.
dc.contributor.author Tórtola Baixauli, María Amparo
dc.contributor.author Hirsch, Martin
dc.contributor.author Furtado Valle, José Wagner
dc.date.accessioned 2014-08-25T09:40:39Z
dc.date.available 2014-08-25T09:40:39Z
dc.date.issued 2008
dc.identifier.uri http://hdl.handle.net/10550/37376
dc.description.abstract Current neutrino oscillation data indicate the existence of two large lepton mixing angles, while Kobayashi-Maskawa matrix elements are all small. Here we show how supersymmetric SO(10) with extra chiral singlets can easily reconcile large lepton mixing angles with small quark mixing angles within the framework of the successful Fritzsch ansatz. Moreover, we show how this is fully consistent with the thermal leptogenesis scenario, avoiding the so-called gravitino problem. A sizable asymmetry can be generated at scales as low as possible within the leptogenesis mechanism. We present our results in terms of the leptonic CP violation parameter that characterizes neutrino oscillations.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2008, vol. 77, num. 5, p. 055002
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Romao, J. C. Tórtola Baixauli, María Amparo Hirsch, Martin Furtado Valle, José Wagner 2008 Fermion masses, leptogenesis and supersymmetric SO (10) unification Physical Review D 77 5 055002
dc.subject Física
dc.title Fermion masses, leptogenesis and supersymmetric SO (10) unification
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-08-25T09:40:39Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.77.055002
dc.identifier.idgrec 048293

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