Constraints on the baryogenesis scale from neutrino masses

W. Fischler, G. F. Giudice, R. G. Leigh, S. Paban

Research output: Contribution to journalArticlepeer-review


Using the interplay between anomalous electroweak processes at very high temperatures and B-L violating interactions, we derive bounds, related to neutrino masses, on the scale at which a B-L asymmetry must have been produced in the early universe. We consider in particular, the out-of-equilibrium decays of heavy right-handed neutrinos, as well as the effects of B-L violation in other extensions of the standard model.

Original languageEnglish (US)
Pages (from-to)45-48
Number of pages4
JournalPhysics Letters B
Issue number1-2
StatePublished - Apr 4 1991
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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