Tau-Decays Into K-Asterisk Mesons

H Albrecht,T Hamacher,Rp Hofmann,T Kirchhoff, R Mankel,A Nau,S Nowak,H Schroder,Hd Schulz,M Walter,R Wurth,C Hast,H Kapitza, H Kolanoski,A Kosche,A Lange,A Lindner,M Schieber,T Siegmund,B Spaan,H Thurn,D Topfer,D Wegener,P Eckstein,Kr Schubert, R Schwierz, R Waldi,K Reim,H Wegener,R Eckmann,H Kuipers,O Mai, R Mundt, T Oest,R Reiner, W Schmidtparzefall, J Stiewe,S Werner, K Ehret,W Hofmann, A Hupper,Kt Knopfle, J Spengler,P Krieger,Db Macfarlane,Jd Prentice,Prb Saull,K Tzamariudaki,Rg Vandewater,Ts Yoon, C Frankl,D Ressing, M Schmidtler,M Schneider,S Weseler, G Kernel,P Krizan, E Kriznic, T Podobnik, T Zivko,V Balagura, I Belyaev, S Chechelnitsky,M Danilov,A Droutskoy,Y Gershtein,A Golutvin,I Korolko, G Kostina, D Litvintsev,V Lubimov,P Pakhlov, S Semenov, A Snizhko, I Tichomirov, Y Zaitsev

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS（1995）

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摘要

Using the ARGUS detector at the storage ring DORIS II we have measured tau decays into three charged mesons containing K* mesons. Exploiting the good particle identification capabilities of the detector we have determined the following branching ratios: Br(tau(-) --> <(K*(0))over bar>pi(-)nu(tau)) = (0.25 +/- 0.10 +/- 0.05) %, Br(tau(-) --> K*(0)K(-)nu(tau)) = (0.20 +/- 0.05 +/- 0.04) %, and Br(tau(-) --> K*(-)(X(0))nu(tau)) = (1.19 +/- 0.15(-0.18)(+0.13)) %.

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