Abstract

The reaction C12(νμ,μ−)X has been measured near threshold using a π+ decay-in-flight νμ beam from the Los Alamos Meson Physics Facility and a massive liquid scintillator neutrino detector (LSND). In the energy region 123.7<Eν<280 MeV, the measured spectral shape is consistent with that expected from the Fermi-gas model (FGM). However, the measured flux-averaged inclusive cross section {[8.3±0.7(stat)±1.6(syst)]×10−40 cm2} is more than a factor of 2 lower than that predicted by the Fermi-gas model and by a recent random phase approximation calculation.Received 28 September 1994DOI:https://doi.org/10.1103/PhysRevC.51.R1065©1995 American Physical Society

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