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- Title
Running axial mass of the nucleon as a phenomenological tool for calculating quasielastic neutrino–nucleus cross sections.
- Authors
Kakorin, Igor D.; Kuzmin, Konstantin S.; Naumov, Vadim A.
- Abstract
We suggest an empirical rule-of-thumb for calculating the cross sections of charged-current quasielastic (CCQE) and CCQE-like interactions of neutrinos and antineutrinos with nuclei. The approach is based on the standard relativistic Fermi-gas model and on the notion of neutrino energy dependent axial-vector mass of the nucleon, governed by a couple of adjustable parameters, one of which is the conventional charged-current axial-vector mass. The inelastic background contributions and final-state interactions are therewith simulated using GENIE 3 neutrino event generator. An extensive comparison of our calculations with earlier and current accelerator CCQE and CCQE-like data for different nuclear targets shows good or at least qualitative overall agreement over a wide energy range. We also discuss some problematical issues common to several competing contemporary models of the CCQE (anti)neutrino–nucleus scattering and to the current neutrino interaction generators.
- Subjects
NEUTRINO interactions; PARTICLES (Nuclear physics); NEUTRINO scattering; NEUTRINOS; ANTINEUTRINOS
- Publication
European Physical Journal C -- Particles & Fields, 2021, Vol 81, Issue 12, p1
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-021-09945-5