Tau leptonic branching ratios and a search for Goldstone-boson decay.

R M Baltrusaitis,A Nappi,J Perrier,R Partridge,D Wisinski,J C Sleeman,W J Wisniewski,A Seiden,A L Spadafora,T H Burnett,L Köpke,G P Dubois,F Villa,U Mallik,R F Mozley,R H Schindler,F Grancagnolo,H J Willutzki,J D Richman,J J Thaler,V Cook,K O Bunnell,C Simopoulos,R Fabrizio,J S Brown,B Tripsas,D G Hitlin,A Wattenberg,I E Stockdale,C A Heusch,B I Eisenstein,W S Lockman,S A Plaetzer,M Scarlatella,J Becker ,D M Coffman ,K Einsweiler ,G Blaylock ,D E Dorfan ,P Mockett ,T Schalk ,R Cassell ,N Wermes ,A J Weinstein ,S Dado ,D Coward ,A L Duncan ,J Hauser ,J Roehrig ,J J Russell ,H F-W Sadrozinski ,R P Hamilton ,A Odian ,W H Toki ,G E Gladding ,G Wolf

doi:10.1103/physrevlett.55.1842

Tau leptonic branching ratios and a search for Goldstone-boson decay.

R M Baltrusaitis, A Nappi + Show 54 more

https://doi.org/10.1103/physrevlett.55.1842

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Journal: Physical review letters	Publication Date: Oct 28, 1985
Citations: 44

Affiliation: California Institute of Technology, University of Illinois Urbana-Champaign, SLAC National Accelerator Laboratory

#Leptonic Branching Ratios #American Physical Society + Show 5 more

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Abstract

Pairs of τ leptons produced at s=3.77 GeV have been studied in eμ, ee, and μμ final states. The leptonic branching ratios have been measured to be B(τ→eνν)=(18.2±0.7±0.5)% and B(τ→μνν)=(18.0±1.0±0.6)%. Limits have been set for the two-body decays τ→eG and τ→μG, where G is a light Goldstone boson.Received 31 July 1985DOI:https://doi.org/10.1103/PhysRevLett.55.1842©1985 American Physical Society

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