JETP Letters coverSearch for neutrino radiative decay with a prototype Borexino detector
A. V. Derbin & O. Ju. Smirnov
JETP Lett. Vol 76 No.7, 409-413 (2002).

[local copy]  doi:10.1134/1.1528691


Abstract

Results of background measurements with a prototype of the Borexino detector were used to obtain bounds on the lifetime of radiative neutrino decay νH→νL+γ. The new lower limit for the lifetime of pp and 7Be neutrinos is τc.m.H→νL+γ) /mν≥4.2×103 s eV−1(α)= 0). It is more than an order of magnitude stronger than the value obtained in previous experiments using nuclear reactors and accelerators.

Search for neutrino radiative decay with a prototype Borexino detector
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