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Measurement of the tau lifetime with the DELPHI detector

✍ Scribed by A. Andreazza

Publisher: Elsevier Science
Year: 2005
Tongue: English
Weight: 370 KB
Volume: 144
Category: Article
ISSN: 0920-5632
DOI: 10.1016/j.nuclphysbps.2005.02.013

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✦ Synopsis

The tau lepton lifetime has been measured with the e + e -→ τ + τ -events collected by the DELPHI detector at LEP in the years 1991-1995. Three different methods have been exploited, using both one-prong and threeprong τ decay channels. These are combined with previously published DELPHI results to provide a tau lifetime measurement of ττ = 290.9 ± 1.4stat ± 1.0sys fs, using the full LEP1 data sample.

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