Search for lepton-flavor and lepton-number violation in the decay tau(-)-> l(-+)h(+-)h '(-)

B. Aubert, J.Y. Chen, K. Peters, L.L. Zhang, S. Chen, M.C. Simani, X.H. Li, M.A. Baak, H.J. Bulten, G. Raven, H. Snoek, P. David, H. Schroder, N. de Groot, Z. Yu

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

A search for lepton-flavor and lepton-number violation in the decay of the tau lepton into one charged lepton and two charged hadrons is performed using 221.4fb-1 of data collected at an e+e- center-of-mass energy of 10.58 GeV with the BABAR detector at the SLAC PEP-II storage ring. In all 14 decay modes considered, the observed data are compatible with background expectations, and upper limits are set in the range B(τ→hh′)<(0.7-4.8)×10- 7 at 90% confidence level. © 2005 The American Physical Society.
Original languageEnglish
JournalPhysical Review Letters
Volume95
Issue number19
DOIs
Publication statusPublished - 2005

Bibliographical note

Search for lepton-flavor and lepton-number violation in the decay tau(-)-> l(-+)h(+-)h '(-)

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