Constraints on massive neutrinos in pi -->e nu decay
A search has been carried out for the production of neutrinos in the mass range 60 to 130 MeV coupling to the electron in the decay ..pi../sup +/..-->..e/sup +/..nu... The dominant background from the ..pi..-..mu..-e decay chain has been suppressed by use of a new technique leading to more than a...
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Veröffentlicht in: | Phys. Rev. Lett.; (United States) 1986-05, Vol.56 (21), p.2241-2243 |
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Hauptverfasser: | , , , , , , , , , , , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | A search has been carried out for the production of neutrinos in the mass range 60 to 130 MeV coupling to the electron in the decay ..pi../sup +/..-->..e/sup +/..nu... The dominant background from the ..pi..-..mu..-e decay chain has been suppressed by use of a new technique leading to more than an order of magnitude greater sensitivity than achieved previously. |
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ISSN: | 0031-9007 1079-7114 |
DOI: | 10.1103/PhysRevLett.56.2241 |