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Measurement of the Topological Branching Fractions of the τ Lepton
Baringer, Philip S.
Baringer, Philip S.
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Abstract
We report new and precise measurements of the decay branching fractions of the τ lepton to one and three charged particles. The data, corresponding to an integrated luminosity of 176 pb(−1), were collected by the high resolution spectrometer HRS at the e(+)e(−) storage ring PEP at SLAC operated at s√=29 GeV. The fractions of τ decays into one and three charged particles are 0.869±0.002±0.003 and 0.130±0.002±0.003, respectively.
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This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.55.570
Date
1985-08-05
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American Physical Society
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Baringer_8-5-1985.pdf
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Baringer, Philip S. et al. (1985). "Measurement of the Topological Branching Fractions of the τ Lepton." Physical Review Letters, 1985(55):570. http://dx.doi.org/10.1103/PhysRevLett.55.570