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Measurement of the Michel parameters in leptonic $\tau$ decays with the OPAL detector at LEP

An upper limit for the tau -neutrino mass has been determined from the decay tau to 5 pi /sup +or-/ nu /sub tau / using data collected with the OPAL detector from 1991 to 1995 in e/sup +/e/sup -/ collisions at square root (s) approximately=M/sub Z0/. A limit of 43.2 MeV at 95Ø.000554330L is obtained...

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Detalles Bibliográficos
Autor principal:	Bartoldus, R
Lenguaje:	eng
Publicado:	Bonn Univ. 1998
Materias:	Particle Physics - Experiment
Acceso en línea:	http://cds.cern.ch/record/420436

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