Measurement of thepi→eνbranching ratio
- 1 March 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 33 (5) , 1211-1221
- https://doi.org/10.1103/physrevd.33.1211
Abstract
A measurement of the π→eν branching ratio using a NaI(Tl) spectrometer yields a value Γ((π→eν)+(π→eνγ))/Γ((π→μν)+(π→μνγ))=(1. 218±0.014)×. The result is consistent with expectations of the standard electroweak theory incorporating electron-muon universality.
Keywords
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