Charged hadron production via e + e − → h ± X where h ± = π ± , K ± , p ̄ has been measured for s values between 13 and 25 GeV 2 . Inclusive cross sections and the evidence for scaling are presented.
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The total cross section for K ± production in e + e − collisions was measured for cms energies between 3.6 and 5 GeV and was found to increase by a factor of 2–3 from 3.6 to 4.1 GeV.
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We present results from a study of high-momentum inclusive hadron production in electron-positron interactions at s=3.8 and 4.8 GeV. Comparison of the momentum spectra at these energies shows no scaling violation in the region x(=EEbeam)>0.7. At s=4.8 GeV the Kπ ratio for hadrons with momenta >1.1 GeV/c is 0.27±0.08, and the average number of charged hadrons is 3.6±0.3 for those events which have at least one charged hadron with momentum greater than 1.1 GeV/c.
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