New laboratory bounds on the stability of the electron

Y. Aharonov*, F. T. Avignone, R. L. Brodzinski, J. I. Collar, E. García, H. S. Miley, A. Morales, J. Morales, S. Nussinov, A. Ortiz De Solórzano, J. Puimedón, J. H. Reeves, C. Sáenz, A. Salinas, M. L. Sarsa, J. A. Villar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

A set of two natural abundance Ge detectors of 1.1 kg each, located in the Homestake mine, and one small, 0.253 kg, Ge detector operating in the Canfranc railway tunnel in Spain, have been used to obtain bounds on the stability of the electron against the decay modes e-→γν2 and e- →νeνeν̄e. The bounds on the mean lives are τ(γνe)>3.7(2.1)×1025 yR, 68% (90%) C.L. and τ(νeνeν̄e)>4.3(2.6)×1023 yr, 68% (90%) /C.L. which are at present the most stringent laboratory limits for these decays. The theoretical controversy concerning the relevance of such data to fundamental tests of charge conservation is also considered.

Original languageEnglish
Pages (from-to)3785-3792
Number of pages8
JournalPhysical Review D
Volume52
Issue number7
DOIs
StatePublished - 1995

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