Measurement of Rates for Muonless Deep Inelastic Neutrino and Antineutrino Interactions

Abstract
Relative rates for deep inelastic neutrino and antineutrino scattering without a finalstate muon have been measured. For neutrinos the result is Rν=σ(νμ+nucleonνμ+hadrons)σ(νμ+nucleonμ+hadrons)=0.11±0.05. The corresponding ratio for antineutrinos is Rν¯=0.32±0.09.