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Upper limit on the branching ratio for the decay τ-→Π-ηvτ

  • Author(s): Gan, KK;
  • Abrams, GS;
  • Amidei, D;
  • Baden, AR;
  • Barklow, T;
  • Boyarski, AM;
  • Boyer, J;
  • Burchat, PR;
  • Burke, DL;
  • Butler, F;
  • Dorfan, JM;
  • Feldman, GJ;
  • Gidal, G;
  • Gladney, L;
  • Gold, MS;
  • Goldhaber, G;
  • Golding, L;
  • Haggerty, J;
  • Hanson, G;
  • Hayes, K;
  • Herrup, D;
  • Hollebeek, RJ;
  • Innes, WR;
  • Jaros, JA;
  • Juricic, I;
  • Kadyk, JA;
  • Karlen, D;
  • Klein, SR;
  • Lankford, AJ;
  • Larsen, RR;
  • Leclaire, BW;
  • Levi, ME;
  • Lockyer, NS;
  • Lüth, V;
  • Matteuzzi, C;
  • Nelson, ME;
  • Ong, RA;
  • Perl, ML;
  • Richter, B;
  • Riles, K;
  • Rowson, PC;
  • Schaad, T;
  • Schellman, H;
  • Schmidke, WB;
  • Sheldon, PD;
  • Trilling, GH;
  • de la Vaissiere, C;
  • Wood, DR;
  • Yelton, JM
  • et al.
Abstract

We have searched for the decay τ-→Π-ηvτ using the MARK II detector at the PEP e+e- storage ring. No evidence for the decay is found; the upper limit for the branching ratio is B(τ-→Π-ηvτ)<1.0% at the 95% confidence level. © 1987.

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