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A precise measurement of the tau lifetime

Abstract:

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 three-prong τ decay channels. Two measurements have been made using events in which both taus decay to a single charged particle. Combining these measurements gave ττ(1 prong) = 291.8 ± 2.3stat ± 1.5sys fs. A third measurement using taus which decayed to three charged particles yielded τtau ...

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Publication status:
Published

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Publisher copy:
10.1140/epjc/s2004-01953-7

Authors


Abdallah, J More by this author
Albrecht, T More by this author
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Journal:
EUROPEAN PHYSICAL JOURNAL C
Volume:
36
Issue:
3
Pages:
283-296
Publication date:
2004-08-05
DOI:
EISSN:
1434-6052
ISSN:
1434-6044
URN:
uuid:999252e5-cc2e-4eb4-9302-51c49701f44b
Source identifiers:
220966
Local pid:
pubs:220966
Language:
English

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