paper

Constraints on Neutrino Mixing Parameters By Observation of Neutrinoless Double Beta Decay

arXiv:hep-ph/0202003 · doi:10.1016/S0370-2693(02)01585-X

Abstract

Assuming positive observation of neutrinoless double bata decay together with the CHOOZ reactor bound, we derive constraints imposed on neutrino mixing parameters, the solar mixing angle θ_{12} and the observable mass parameter < m >_β in single beta decay experiments. We show that 0.05 eV < < m >_β < 2 eV at the best fit parameters of the LMA MSW solar neutrino solution by requiring the range of the parameter < m >_{ββ} deduced from recently announced double beta decay events at 95 % CL with +/- 50 % uncertainty of nuclear matrix elements.

RevTeX, 16 pages, references added, version accepted in PLB

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