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The ratio of neutral-current to charged-current cross sections is determined from a sample of events obtained in an exposure of the Fermilab 15-ft hydrogen bubble chamber to a high-energy, horn-focused neutrino beam. For events with three or more prongs and with visible hadron momentum above 10 GeV/c, the ratio is 0.40 ±{} 0.14. A Monte Carlo calculation assuming the Weinberg-Salam model is used to correct for excluded events, yielding RNC/CC=0.48±0.17.
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Harris et al. (1977) studied this question.
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