Abstract
From an exposure of the Fermilab 15-foot bubble chamber to the Tevatron quadrupole triplet neutrino beam, we have determined the ratio of neutral-current (NC) to charged-current (CC) interactions to be 0.288 ± 0.032 for events with visible hadron momentum above 10 GeV/c. The mean (») event energy is 150 (110) GeV, which is higher than that for any previous beam. This result agrees with those from previous experiments at lower energies. The NC/CC ratio is derived for a combined sample of and events. A value of 0.274 ± 0.038 is obtained for the dominant component assuming » NC/CC = 0.39 ± 0.08. For events with visible hadron momentum above 25 GeV/c, where the neutral hadron contamination remaining in the NC sample is assumed to be negligible, the combined NC/CC is 0.323 ± 0.025 and the K0 production rates are 0.375 ± 0.064 per CC and 0.322 ± 0.073 per NC event. The corresponding rates are 0.161 ± 0.030 per CC and 0.113 ± 0.030 per NC event. The K0 and " distributions of the fractional hadron energy variable z in NC events are consistent with those in CC events.
| Original language | English |
|---|---|
| Pages (from-to) | 2232-2243 |
| Number of pages | 12 |
| Journal | Physical Review D |
| Volume | 45 |
| Issue number | 7 |
| DOIs | |
| State | Published - 1992 |
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