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Measurement of the branching ratio $\Gamma(\overline{p}p\to e^{+}e^{-})/\Gamma(\overline{p}p\to total)$ in antiproton-proton annihilation at rest
Analyzing a sample of 220000 events from an experiment still in progress at the CERN Proton Synchrotron, 60 pairs of electrons with an energy above 700 MeV have been observed. The electrons, produced by annihilation of antiproton stopped in a liquid-hydrogen target, are detected with optical spark c...
| Autores principales: | , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
1976
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(76)90126-X http://cds.cern.ch/record/873964 |