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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
  • et al.

We have searched for the decay τ-→Π-ηvτusing 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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