A bound on the tau neutrino mass is established using the data collected from 1991 to 1995 at root s similar or equal to m(Z) with the ALEPH detector. Two separate limits are derived by fitting the distribution of visible energy vs invariant mass in tau(-) --> 2 pi(-)pi(+)nu(tau) --> 3 pi(-)2 pi(+)(pi(0))nu(tau) decays. The two results are combined to obtain a 95% confidence level upper limit of 18.2MeV/c(2) on the mass of the tau neutrino.

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J., et al. (1998). An upper limit on the τ neutrino mass from three- and five-prong tau decays. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 2(3), 395-406 [10.1007/s100520050149].

An upper limit on the τ neutrino mass from three- and five-prong tau decays

CARPINELLI, Massimo;
1998

Abstract

A bound on the tau neutrino mass is established using the data collected from 1991 to 1995 at root s similar or equal to m(Z) with the ALEPH detector. Two separate limits are derived by fitting the distribution of visible energy vs invariant mass in tau(-) --> 2 pi(-)pi(+)nu(tau) --> 3 pi(-)2 pi(+)(pi(0))nu(tau) decays. The two results are combined to obtain a 95% confidence level upper limit of 18.2MeV/c(2) on the mass of the tau neutrino.
Articolo in rivista - Articolo scientifico
OSCILLATIONS; LEPTON; A1
English
395
406
12
Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J., et al. (1998). An upper limit on the τ neutrino mass from three- and five-prong tau decays. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 2(3), 395-406 [10.1007/s100520050149].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/390132
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