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A measurement of the τ lepton lifetime

Research output: Contribution to journalJournal article

Published

Journal publication date1989
JournalZeitschrift für Physik C: Particles and Fields
Journal number1
Volume42
Number of pages1
Pages7
Original languageEnglish

Abstract

The lifetime of the τ lepton was measured using two different techniques. From the impact parameter distribution of 3132 one prong decays ττ = (289±33±26) fs was obtained and from the decay length distribution of 648 three prong decays ττ = (309 −34 +35±11) fs. These results were combined to give a final value of ττ = (301±29) fs.