Effective interactions and shell model studies of heavy tin isotopes
A. Holt, T. Engeland, M. Hjorth-Jensen, E. Osnes
Abstract
We calculate the low-lying spectra of heavy tin isotopes from A=120 to A=130 using the 2s1d0g7/20h11/2 shell to define the model space. An effective interaction has been derived using 132Sn as closed core employing perturbative many-body techniques. We start from a nucleon-nucleon potential derived from modern meson exchange models. This potential is in turn renormalized for the given medium, 132Sn, yielding the nuclear reaction matrix, which is then used in perturbation theory to obtain the shell model effective interaction.
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