Search for neutrino radiative decays during a total solar eclipse

Abstract

We present the results of the measurements performed in the occasion of the 2001 total solar eclipse, looking for visible photons emitted through a possible radiative decay of solar neutrinos. We establish lower limits for the \nu_2 and \nu_3 proper lifetimes above 10^3 s/eV, for neutrino masses larger than 10^{-2} eV.Comment: 11 pages, 7 figures, presented at AHEP2003, Valenci