An upper limit for the τ neutrino mass from τ → 5π(π0)ντ decays

Buskulic, D. and Finch, Alexander (1995) An upper limit for the τ neutrino mass from τ → 5π(π0)ντ decays. Physics Letters B, 349 (4). pp. 585-596. ISSN 0370-2693

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Abstract

From a sample of 152,000 τ decays collected by the ALEPH detector at LEP an upper limit of 24 MeV at 95% CL on the τ neutrino mass has been determined. The limit is obtained using a two dimensional likelihood fit of the visible energy and the invariant mass distribution of 25 τ → 5π(π0)ντ events.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
64079
Deposited By:
Deposited On:
08 May 2013 15:55
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:27