Quasielastic Lepton-Nucleus Scattering and the Correlated Fermi Gas Model

TL;DR

This paper introduces an analytic implementation of the Correlated Fermi Gas model to improve understanding of neutrino-nucleus interactions, crucial for reducing uncertainties in future neutrino research.

Contribution

It provides a fully analytic version of the CFG model for CCQE scattering, enabling detailed comparison of form factor and nuclear model effects on electron and neutrino scattering data.

Findings

Analytic CFG model successfully applied to electron and neutrino scattering data.

Comparison reveals the relative impact of form factors and nuclear modeling.

Results aid in refining neutrino interaction models for future experiments.

Abstract

The future neutrino research program will require improved precision. A major source of uncertainty is the interaction of neutrinos with nuclei that serve as targets for such experiments. Broadly speaking, this interaction often depends, e.g., for Charge-Current Quasi-Elastic (CCQE) scattering, on the combination of "nucleon physics" expressed by form factors and "nuclear physics" expressed by a nuclear model. It is important to get a good handle on both. This talk presents a fully analytic implementation of the Correlated Fermi Gas (CFG) Model for CCQE electron-nuclei and neutrino-nuclei scattering. The implementation is used to compare separately form factors and nuclear model effects for both electron-carbon and neutrino-carbon scattering data.