Elastic proton scattering of medium mass nuclei from coupled-cluster theory. Hagen, G. & Michel, N. *Physical Review C - Nuclear Physics*, 2012. doi abstract bibtex Using coupled-cluster theory and interactions from chiral effective field theory, we compute overlap functions for transfer and scattering of low-energy protons on the target nucleus 40Ca. Effects of three-nucleon forces are included phenomenologically as in-medium two-nucleon interactions. Using known asymptotic forms for one-nucleon overlap functions we derive a simple and intuitive way of computing scattering observables such as elastic scattering phase shifts and cross sections. As a first application and proof of principle, we compute phase shifts and differential interaction cross sections at energies of 9.6 and 12.44 MeV and compare with experimental data. Our computed diffraction minima are in fair agreement with experimental results, while we tend to overestimate the cross sections at large scattering angles. \textcopyright 2012 American Physical Society.

@article{Hagen2012b,
abstract = {Using coupled-cluster theory and interactions from chiral effective field theory, we compute overlap functions for transfer and scattering of low-energy protons on the target nucleus 40Ca. Effects of three-nucleon forces are included phenomenologically as in-medium two-nucleon interactions. Using known asymptotic forms for one-nucleon overlap functions we derive a simple and intuitive way of computing scattering observables such as elastic scattering phase shifts and cross sections. As a first application and proof of principle, we compute phase shifts and differential interaction cross sections at energies of 9.6 and 12.44 MeV and compare with experimental data. Our computed diffraction minima are in fair agreement with experimental results, while we tend to overestimate the cross sections at large scattering angles. {\textcopyright} 2012 American Physical Society.},
archivePrefix = {arXiv},
arxivId = {1206.2336},
author = {Hagen, G. and Michel, N.},
doi = {10.1103/PhysRevC.86.021602},
eprint = {1206.2336},
issn = {1089490X},
journal = {Physical Review C - Nuclear Physics},
number = {2},
title = {{Elastic proton scattering of medium mass nuclei from coupled-cluster theory}},
volume = {86},
year = {2012}
}

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