English

Accurate nuclear radii and binding energies from a chiral interaction

Nuclear Theory 2015-05-04 v2 Nuclear Experiment

Abstract

With the goal of developing predictive ab-initio capability for light and medium-mass nuclei, two-nucleon and three-nucleon forces from chiral effective field theory are optimized simultaneously to low-energy nucleon-nucleon scattering data, as well as binding energies and radii of few-nucleon systems and selected isotopes of carbon and oxygen. Coupled-cluster calculations based on this interaction, named NNLOsat_{\rm sat}, yield accurate binding energies and radii of nuclei up to 40^{40}Ca, and are consistent with the empirical saturation point of symmetric nuclear matter. In addition, the low-lying collective Jπ=3J^\pi=3^- states in 16^{16}O and 40^{40}Ca are described accurately, while spectra for selected pp- and sdsd-shell nuclei are in reasonable agreement with experiment.

Keywords

Cite

@article{arxiv.1502.04682,
  title  = {Accurate nuclear radii and binding energies from a chiral interaction},
  author = {A. Ekström and G. R. Jansen and K. A. Wendt and G. Hagen and T. Papenbrock and B. D. Carlsson and C. Forssén and M. Hjorth-Jensen and P. Navrátil and W. Nazarewicz},
  journal= {arXiv preprint arXiv:1502.04682},
  year   = {2015}
}