Limits on ντ mass by DELPHI


A limit on the tau neutrino mass is obtained using all the Z → ττ data collected at LEP by the DELPHI detector between 1992 and 1995. In this analysis events in which one of the taus decays into one charged particle, while the second τ decays into five charged pions (1-5 topology) have been used. The neutrino mass is determined from a bidimensional fit on… (More)

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