Leptogenesis

Details Leptogenesis Leptogenesis

Aug 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003jphg...29.1561p&link_type=abstract

Journal of Physics G: Nuclear and Particle Physics, Volume 29, Issue 8, pp. 1561-1567 (2003).

Physics

1

Scientific paper

Thermal leptogenesis explains the baryon asymmetry of the universe by the out-of-equilibrium decays of heavy right-handed neutrinos. In the minimal seesaw model this leads to interesting implications for light neutrino properties. In particular, quasi-degenerate light neutrino masses are incompatible with leptogenesis. An upper bound on light neutrino masses of 0.2 eV can be derived, which will be tested by forthcoming laboratory experiments and cosmology.

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