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Search for lepton-number and lepton-flavour violation in tau decays

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
185
Identifiers
DOI: 10.1016/0370-2693(87)91560-7
Disciplines
  • Physics

Abstract

Abstract We have searched for neutrinoless tau decays into three charged particles as evidence for lepton-flavour or lepton-number violation. The data were collected using the ARGUS detector at the DORIS II storage ring. Tau pairs were produced by e +e − annhilation at centre-of-mass energies near 10 GeV. No evidence for lepton-number or lepton-flavour violation was observed, but the upper limits obtained are an order of magnitude lower than those previously published.

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