Bounds for the mass of the heaviest right-handed neutrino in SO(10) theories

Details Bounds for the mass of the heaviest right-handed neutrino in SO(10) theories Bounds for the mass of the heaviest right-handed neutrino in SO(10) theories

2003-04-15

arxiv.org/abs/hep-ph/0304143v2

Mod.Phys.Lett. A18 (2003) 1819-1824

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, RevTex4. Few corrections

Scientific paper

10.1142/S0217732303011757

By relating the Dirac neutrino mass matrix to the mass of the charged fermions and assuming that the product of the masses of the two lightest left-handed neutrinos is of the order of $\Delta m^2_{sol}$, we derive, within a leptogenesis scenario, a range of values for the mass of the heaviest right-handed neutrino, centered around the scale of $B-L$ symmetry breaking in the SO(10) theory with Pati-Salam intermediate symmetry.

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