A new calculation for D(e,e'p)n at GeV energies

TL;DR

This paper presents a relativistic calculation of the D(e,e'p)n reaction at GeV energies, analyzing the effects of final state interactions and providing detailed predictions for cross sections and asymmetries.

Contribution

It introduces a fully relativistic approach using the Gross equation and SAID parametrization to accurately model the reaction at high energies, including off-shell effects.

Findings

Identification of kinematic regions sensitive to FSI components

Predictions of momentum and angular distributions of the cross section

Discussion of theoretical uncertainties at high missing momenta

Abstract

We perform a fully relativistic calculation of the D(e,e'p)n reaction in the impulse approximation. We employ the Gross equation to describe the deuteron ground state, and we use the SAID parametrization of the full NN scattering amplitude to describe the final state interactions (FSIs). We include both on-shell and positive-energy off-shell contributions in our FSI calculation. We show results for momentum distributions and angular distributions of the differential cross section, as well as for various asymmetries. We identify kinematic regions where various parts of the final state interactions are relevant, and discuss the theoretical uncertainties connected with calculations at high missing momenta.