期刊
NUCLEAR PHYSICS A
卷 857, 期 1, 页码 9-15出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysa.2011.03.006
关键词
Shell model; Exotic nuclei; Core polarization; Effective interaction
We investigate the neutron rich nuclei which can be described by shell model calculations in the p-sd and sd-pf model spaces. We quantify the effects of the core polarization on the multipole part (pairing and quadrupole) of the effective Hamiltonians. We show that proton core polarization contributions are responsible for the reduction of the neutron-neutron nuclear matrix elements which, in the recent shell model studies, appeared necessary between p-sd carbon and oxygen and sd-pf silicon and calcium nuclei. (C) 2011 Elsevier B.V. All rights reserved.
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