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Ab initio coupled-cluster study of 16-O | | M. Wloch
; D.J. Dean
; J.R. Gour
; M. Hjorth-Jensen
; K. Kowalski
; T. Papenbrock
; P. Piecuch
; | | Date: |
26 Dec 2004 | | Journal: | Phys.Rev.Lett. 94 (2005) 212501 | | Subject: | nucl-th | | Affiliation: | MSU), D.J. Dean (ORNL), J.R. Gour (MSU), M. Hjorth-Jensen (Oslo), K. Kowalski (MSU), T. Papenbrock (UT/ORNL), and P. Piecuch (MSU | | Abstract: | 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. | | Source: | arXiv, nucl-th/0501067 | | Services: | Forum | Review | PDF | Favorites | |
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