Abstract
We re-examine the standard charm model for opposite-sign dimuon events in neutrino-nucleon scattering. Published dimuon rates are shown to be consistent with a simple SU(3) symmetric sea. We discuss the types of correlated studies of different dimuon observables needed to extract unambiguous information on the nucleon's strange sea from upcoming, high statistics data. Our calculations demonstrate the sizeable effects of finite energy resolution and missing final-state energy on predictions of observed dimuon rates, particularly for data obtained from wide-band incident neutrino spectra. We emphasize the crucial role of the non-zero charm mass, not only for the analysis of dimuon events, but also for the interpretation of large- y inclusive v N → μ X data.
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