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DETERMINATION OF THE TAU-LIFETIME IN HIGH-ENERGY E+E- ANNIHILATIONS

Abstract:
We have determined the τ lifetime in e+e- annihilations at an average centre of mass energy of 42.5 GeV, using a pressurized drift chamber close to the interaction point. We find the lifetime to be (3.18-0.75+0.59 ± 0.56) × 10-13 s. The charged weak τ coupling constant relative to that of the μ is found to be Gτ/Gμ = 0.94-0.09+0.12 ± 0.09, in good agreement lepton universality. © 1984.
Publication status:
Published

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Authors


BRAUNSCHWEIG, W More by this author
KIRSCHFINK, F More by this author
LUBELSMEYER, K More by this author
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Journal:
PHYSICS LETTERS B
Volume:
141
Issue:
3-4
Pages:
264-270
Publication date:
1984
DOI:
ISSN:
0370-2693
URN:
uuid:d1a87a9a-30ca-467c-b3cd-b80e873e2636
Source identifiers:
8229
Local pid:
pubs:8229
Language:
English

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