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Correlation energy contribution to nuclear masses

✍ Scribed by S. Baroni; F. Barranco; P.F. Bortignon; R.A. Broglia; G. Colò; E. Vigezzi

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
197 KB
Volume
59
Category
Article
ISSN
0146-6410

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✦ Synopsis

During the last few years, much effort has been made to develop a microscopic description of the nuclear masses based on mean field theory. The accuracy achieved, when phenomenological parameters are added to take specific effects into account (Wigner term, cut-off in pairing space, etc.), leads to a rms of 0.6-0.7 MeV [S.

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## Diagmmmaric many-body doubleperturbation theory is used to study the corrrlntion contibuti~n to the invetio;l bxrierin ammonia. With a one-center solution as the zero-order function, the perturbation energy d&rams are shown to be of three types: Hartrez-Fock diagrams (geometry dependent), atom-