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Published April 1999 | Submitted
Journal Article Open

CLEO results on tau Michel parameters

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.

Additional Information

© 1999 Elsevier. We gratefully acknowledge the effort of the CESR staff in providing us with excellent luminosity and running conditions. This work was supported by the U.S. NSF and DoE. I thank the conference organizers for a thoroughly stimulating and pleasant conference.

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