Four-neutrino MS^2 mixing

Details Four-neutrino MS^2 mixing Four-neutrino MS^2 mixing

1999-06-22

arxiv.org/abs/hep-ph/9906456v2

Phys.Lett.B467:83-94,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages including 3 figures, RevTeX

Scientific paper

10.1016/S0370-2693(99)01094-1

We present a simple scheme of mixing of four neutrinos that can accommodate the results of all neutrino oscillation experiments, the observed abundances of primordial elements and the current upper bound for the effective Majorana neutrino mass in neutrinoless double-beta decay (assuming that massive neutrinos are Majorana particles). The scheme has maximal mixing in the nu_mu,nu_tau-nu_3,nu_4 sector and small mixings in the nu_e,nu_s-nu_1,nu_2 and nu_e,nu_mu-nu_1,nu_3 (or nu_e,nu_mu-nu_1,nu_4) sectors (MS^2). We discuss the implications of this scheme for short and long baseline oscillation experiments and for neutrinoless double-beta decay and tritium beta-decay experiments.

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