A bound on neutrino masses from baryogenesis

Details A bound on neutrino masses from baryogenesis A bound on neutrino masses from baryogenesis

2002-09-25

arxiv.org/abs/hep-ph/0209301v1

Phys.Lett. B547 (2002) 128-132

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 2 figures

Scientific paper

10.1016/S0370-2693(02)02758-2

Properties of neutrinos, the lightest of all elementary particles, may be the origin of the entire matter-antimatter asymmetry of the universe. This requires that neutrinos are Majorana particles, which are equal to their antiparticles, and that their masses are sufficiently small. Leptogenesis, the theory explaining the cosmic matter-antimatter asymmetry, predicts that all neutrino masses are smaller than 0.2 eV, which will be tested by forthcoming laboratory experiments and by cosmology.

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