Elastic p-12C scattering by using a cluster effective field theory
Abstract
The elastic p-12C scattering at low energies is studied by using a cluster effective field theory (EFT), where the low-lying resonance states (s1/2, p3/2, d5/2) of 13N are treated as pertinent degrees of freedom. The low-energy constants of the Lagrangian are expressed in terms of the Coulomb-modified effective range parameters, which are determined to reproduce the experimental data for the differential cross-sections. The resulting theoretical predictions agree very well with the experimental data. The resulting theory is shown to give us almost identical phase shifts as obtained from the R-matrix approach. The role of the ground state of 13N below the threshold and the next-to-leading order in the EFT power counting are also discussed.
Cite
@article{arxiv.2401.02622,
title = {Elastic p-12C scattering by using a cluster effective field theory},
author = {Eun Jin In and Tae-Sun Park and Young-Ho Song and Seung-Woo Hong},
journal= {arXiv preprint arXiv:2401.02622},
year = {2024}
}
Comments
17 pages, 6 figures