Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-06-13
Phys.Rev. D72 (2005) 053005
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, 15 figures
Scientific paper
10.1103/PhysRevD.72.053005
A quantitative understanding of the weak nuclear response is a prerequisite for the analyses of neutrino experiments such as K2K and MiniBOONE, which measure energy and angle of the muons produced in neutrino-nucleus interactions in the energy range $0.5-3$ GeV and reconstruct the incident neutrino energy to determine neutrino oscillations. In this paper we discuss theoretical calculations of electron- and neutrino-nucleus scattering, carried out within the impulse approximation scheme using realistic nuclear spectral functions.Comparison between electron scattering data and the calculated inclusive cross section off oxygen, at beam energies ranging between 700 and 1200 MeV, show that the Fermi gas model, widely used in the analysis of neutrino oscillation experiments,fails to provide a satisfactory description of the measured cross sections,and inclusion of nuclear dynamics is needed.
Benhar Omar
Farina Nicola
Nakamura Hiroki
Sakuda Makoto
Seki Ryoichi
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