QE Neutrino CC Cross Sections off 16O
A. V. Butkevich, S. A. Kulagin
TL;DR
This paper compares different theoretical models for muon neutrino charged-current quasi-elastic scattering on oxygen, highlighting the limitations of the widely used Relativistic Fermi Gas Model in accurately predicting exclusive cross sections.
Contribution
The study evaluates the accuracy of PWIA, RDWIA, and RFGM models for neutrino-oxygen interactions, revealing significant discrepancies of RFGM with experimental data.
Findings
RFGM overestimates inclusive and total cross sections.
RFGM fails to accurately predict exclusive cross sections.
RDWIA provides more reliable predictions than RFGM.
Abstract
The charged-current quasi-elastic scattering of muon neutrino on oxygen target is computed for neutrino energy between 200 MeV and 2.5 GeV using different approximations: the Plane Wave Impulse Approximation (PWIA), the Relativistic Distorted Wave Impulse Approximation with relativistic optical potential (RDWIA), and the Relativistic Fermi Gas Model (RFGM). The comparison with RFGM, which is widely used in data analyses of neutrino experiments, shows that the RFGM fails completely when applied to exclusive cross section data and leads to overestimated values of inclusive and total cross sections.
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