The role of lepton flavor symmetries in leptogenesis

Aristizabal Sierra, Diego; De Medeiros Varzielas, Ivo

doi:10.1002/prop.201200122

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The role of lepton flavor symmetries in leptogenesis

Aristizabal Sierra, Diego; De Medeiros Varzielas, Ivo

2013 • In Fortschritte der Physik, 61 (4-5)

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https://hdl.handle.net/2268/138461

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10.1002/prop.201200122

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Keywords :

Baryon asymmetry of the Universe; Leptogenesis; Flavor symmetries in the lepton sector

Abstract :

[en] The presence of flavor symmetries in the lepton sector may have several consequences for the generation of the baryon asymmetry of the Universe via leptogenesis. We review the mechanism in general type-I, type-II and type-III seesaw models. We then turn to the discussion of the cases when the asymmetry is generated in the context of seesaw models extended with flavor symmetries, before or after flavor symmetry breaking. Finally we explain how the interplay between type-I and type-II seesaws can (or not) lead to viable models for leptogenesis even when there is an exact mixing pattern enforced by the flavor symmetry.

Disciplines :

Physics

Author, co-author :

Aristizabal Sierra, Diego ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Physique des astroparticules

De Medeiros Varzielas, Ivo; Universitat Dortmund > Physics Department

Language :

English

Title :

The role of lepton flavor symmetries in leptogenesis

Publication date :

2013

Journal title :

Fortschritte der Physik

ISSN :

0015-8208

eISSN :

1521-3978

Publisher :

Wiley-VCH, Berlin, Germany

Volume :

Issue :

4-5

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 14 January 2013

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