Abstract

Production cross sections of strange and charmed baryons in the e + e annihilation are measured using the data collected with the Belle detector at p s = 10.52 GeV. Hadron production rates lie on a simple function of their masses due to a linear potential. T he study of production rates of various states will provide information on the quark structure of ha drons. If a production rate of a hadron is deviated from the normal mass dependence, it may be exotic in terms of a quark structure. Information on a di-quark picture will be given from production rates of charmed baryons and strange baryons. The preliminary results are presented.

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