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Observation of Omega - production in e+e- annihilation at 29 GeV.

  • Author(s): Klein, SR
  • Himel, T
  • Abrams, G
  • 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
  • Lankford, AJ
  • Larsen, RR
  • LeClaire, BW
  • Levi, M
  • Lockyer, NS
  • Lüth, V
  • Matteuzzi, C
  • Nelson, ME
  • Ong, RA
  • Perl, ML
  • Petersen, A
  • 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

Inclusive - production in e+e- annihilation at 29 GeV has been measured with the Mark II detector. From an integrated luminosity of 207 pb-1, we determine a production rate of 0.0140.0060.004 -, + per hadronic event. This is roughly 35 times the Lund-model prediction of 0.0004 -, + per hadronic event, but comparable to the Webber-model prediction of 0.006 -, + per hadronic event. The large rate of - production, compared with production rates for other baryons, and with theoretical predictions based on diquark models, indicates that spin suppression does not hold for - production. © 1987 The American Physical Society.

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