Accurate nuclear radii and binding energies from a chiral interaction

A. Ekström, G. R. Jansen, K. A. Wendt, G. Hagen, T. Papenbrock, B. D. Carlsson, C. Forssén, M. Hjorth-Jensen, P. Navrátil, W. Nazarewicz

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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, yield accurate binding energies and radii of nuclei up to Ca40, and are consistent with the empirical saturation point of symmetric nuclear matter. In addition, the low-lying collective Jπ=3- states in O16 and Ca40 are described accurately, while spectra for selected p- and sd-shell nuclei are in reasonable agreement with experiment.

Original languageEnglish
Article number051301
JournalPhysical Review C - Nuclear Physics
Volume91
Issue number5
DOIs
StatePublished - May 1 2015

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