title: Ab-initio coupled-cluster study of 16O.
abstract: We report converged results for the ground and excited states and matter density of 16O using realistic two-body nucleon-nucleon interactions and coupled-cluster methods and algorithms 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 one-particle, one-hole nature, but it cannot describe the first-excited 0(+) state. Incorporation of triples has no effect on the latter finding.
authors.affiliation: Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA.
authors.forename: M
authors.initials: M
authors.lastname: Włoch
authors.forename: D J
authors.initials: DJ
authors.lastname: Dean
authors.forename: J R
authors.initials: JR
authors.lastname: Gour
authors.forename: M
authors.initials: M
authors.lastname: Hjorth-Jensen
authors.forename: K
authors.initials: K
authors.lastname: Kowalski
authors.forename: T
authors.initials: T
authors.lastname: Papenbrock
authors.forename: P
authors.initials: P
authors.lastname: Piecuch