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CLEO results on tau Michel parameters

Authors
Journal
Nuclear Physics B - Proceedings Supplements
0920-5632
Publisher
Elsevier
Publication Date
Volume
76
Identifiers
DOI: 10.1016/s0920-5632(99)00453-3
Keywords
  • Lorentz Structure
Disciplines
  • Physics

Abstract

Abstract We present measurements of the tau Michel Parameters made by the CLEO experiment. Three different analyses are performed: a spin-independent lepton spectrum analysis and a second spin-dependent analysis using ℓ ± vs. π ‡π 0 events, and a third spin-dependent analysis using π + vs. π − events. the results are used to derive limits on the general four-fermion couplings, the mass of the charged Higgs in the MSSM, and a right-handed W in left-right models. Many of these measurements are more precise than the PDG world averages.

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