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Observation of R- Production in e+e-Annihilation at 29 GeV*

By S. R. Klein, T. Himel, G. Abrams, D. Amideir A. R. Baden and T. Barklow


Inclusive n- production in e+e- annihilation at 29 GeV has been measured with the Mark II detector. From an integrated luminosity of 207 pb-‘, we ’ determine a production rate of 0.014 f 0.006 f 0.004 n-, $ per hadronic event. This is roughly 35 times the Lund model prediction of 0.0004 n-, n ’ per hadronic event, but comparable to the Webber model prediction of 0.006 fl-,? per hadronic event. The large rate of n- production, compared with production rates for other baryons, and with theoretical predictions based on diquark models

Year: 1987
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