Elastic proton scattering on tritium below the n-$^{3}{He}$ threshold

TL;DR

This study investigates elastic proton scattering on tritium near the n-3He threshold, using advanced Faddeev-Yakubovski equations to address isospin breaking and Coulomb effects, testing various nuclear Hamiltonians.

Contribution

It provides a detailed theoretical analysis of proton-tritium scattering near threshold, incorporating isospin breaking and Coulomb interactions with multiple nuclear models.

Findings

Identifies challenges in accurately modeling nuclear interactions.

Highlights the importance of isospin breaking effects.

Provides insights into the nuclear force in the continuum.

Abstract

Elastic proton scattering on ${}^{3}{H}$ nucleus is studied inbetween p-% ${}^{3}{H}$ and n-${}^{3}{He}$ thresholds, in the energy region where $\alpha$-particles first excited state is inbeded in the continuum. For this aim Faddeev-Yakubovski equations are solved in configuration space, fully considering effects due to the isospin breaking as well as rigorously treating Coulomb interaction. Different realistic nuclear Hamiltonians are tested, elucidating open problems in nuclear interaction description.