Ab initio coupled-cluster study of 16-O
  We report converged results for the ground and excited states and matter density of 16-O using realistic two-body nucleon-nucleon interactions and coupled-cluster methods and formalism developed in quantum chemistry. Most of the binding is obtained with the coupled-cluster singles and doubles approach. Additional binding due to three-body clusters (triples) is minimal. The coupled-cluster method with singles and doubles provides a good description of the matter density, charge radius, charge form factor, and excited states of a 1-particle-1-hole nature, but it cannot describe the first excited 0+ state. Incorporation of triples has no effect on the latter finding. 
M. Wloch (MSU), D.J. Dean (ORNL), J.R. Gour (MSU), M. Hjorth-Jensen   (Oslo), K. Kowalski (MSU), T. Papenbrock (UT/ORNL), an...