We present results from the Fermilab 15-ft bubble chamber on the charged-partiele multiplicity distributions produced in high-energy charged-current neutrino-proton interactions. Comparisons are made to yp, ep, up, and inclusive/)/) scattering. The mean hadronic multiplicity (n c ) appears to depend only on the mass of the excited hadronic state, independent of the mode of excitation. A fit to the neutrino data gives (n c ) = (1.09 ± 0.38) + (1.09 ± 0.03) InW 2 .
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