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Test of Electric Charge Conservation with Borexino

M. Agostini et al. (Borexino Collaboration)
Phys. Rev. Lett. 115, 231802 – Published 3 December 2015
Physics logo See Synopsis: Still Waiting For Electron Decay

Abstract

Borexino is a liquid scintillation detector located deep underground at the Laboratori Nazionali del Gran Sasso (LNGS, Italy). Thanks to the unmatched radio purity of the scintillator, and to the well understood detector response at low energy, a new limit on the stability of the electron for decay into a neutrino and a single monoenergetic photon was obtained. This new bound, τ6.6×1028yr at 90% C.L., is 2 orders of magnitude better than the previous limit.

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  • Received 3 September 2015

DOI:https://doi.org/10.1103/PhysRevLett.115.231802

© 2015 American Physical Society

Synopsis

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Still Waiting For Electron Decay

Published 3 December 2015

Scientists have placed new limits on how often electrons decay into neutrinos and photons, a reaction that—if it occurred—would violate the law of charge conservation.

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Vol. 115, Iss. 23 — 4 December 2015

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