Upper Limit for Muon-Electron Conversion in Sulfur

28 November 1977

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 39 (22) , 1385-1387
https://doi.org/10.1103/physrevlett.39.1385

Abstract

The anomalous neutrinoless conversion of stopped negative mouns into electrons has been searched for in sulfur. No electron with an energy above 93 MeV was found. The upper limit for the branching ratio relative to ordinary muon capture is 4×

10^{- 10}

at the 90% confidence level.

Keywords

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