Measurements of the reactions 12C(νμ,μ)12Ng.s. and 12C(νμ,μ)X

C. Athanassopoulos et al.
Phys. Rev. C 56, 2806 – Published 1 November 1997
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Abstract

Charged current scattering of νμ on 12C has been studied using a π+ decay-in-flight νμ beam at the Los Alamos Meson Physics Facility. A sample of 56.8 ±9.6 events satisfying criteria for the exclusive reaction 12C(νμ,μ)12Ng.s. was obtained using a large liquid scintillator neutrino detector. The observed flux-averaged cross section (6.6±1.0±1.0)×1041cm2 agrees well with reliable theoretical expectations. A measurement was also obtained for the inclusive cross section to all accessible 12N states 12C(νμ,μ)X. This flux-averaged cross section is (11.2±0.3±1.8)×1040cm2, which is approximately half of that given by a recent continuum random-phase approximation calculation.

  • Received 1 May 1997

DOI:https://doi.org/10.1103/PhysRevC.56.2806

©1997 American Physical Society

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Vol. 56, Iss. 5 — November 1997

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