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Journal of High Energy Physics Volume 2009 JHEP11(2009) Create an alert RSS this journal

M.C. Gonzalez-Garcia et al JHEP11(2009)079 doi:10.1088/1126-6708/2009/11/079

Leptogenesis without violation of B−L

M.C. Gonzalez-Garciaa,b, J. Rackerc and N. Riusd

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Abstract References Cited By
We study the possibility of generating the observed baryon asymmetry via leptogenesis in the decay of heavy Standard Model singlet fermions which carry lepton number, in a framework without Majorana masses above the electroweak scale. Such scenario does not contain any source of total lepton number violation besides the Standard Model sphalerons, and the baryon asymmetry is generated by the interplay of lepton flavour effects and the sphaleron decoupling in the decay epoch.

Keywords

Beyond Standard Model

Neutrino Physics

 

E-print Number: 0909.3518

Cited: by |

Refers: to

PACS

11.30.Fs Global symmetries (e.g., baryon number, lepton number)

12.60.-i Models beyond the standard model

Subjects

Particle physics and field theory

Dates

Issue 11 (November 2009)

Received 28 September 2009, accepted for publication 29 October 2009

Published 18 November 2009



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