Shell Evolution around and beyond N = 28 Studied with Large-Scale Shell-Model Calculations(YKIS2011 papers, Frontier Issues in Physics of Exotic Nuclei)
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概要
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The evolution of the shell structure around N = 28 is described by the shell-model calculation using an effective interaction based on the monopole-based universal interaction. Performing shell-model calculations, we successfully describe the configuration mixing and deformation from which the shell evolution in this region is well clarified. The reduction of the proton spin-orbit splitting from N = 20 to 28 is dominated by the tensor force and is quantitatively reproduced well in terms of the distribution of the spectroscopic factors. This reduction also brings about a large oblate deformation in ^<42>Si. The location of the neutron 0_<g9/2> orbit in Ca isotopes is identified by their 3^-_1 states.
- 2012-10-22
著者
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Otsuka Takaharu
Department Of Physics And Center For Nuclear Studies University Of Tokyo:riken Hirosawa
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HONMA MICHIO
Center for Mathematical Sciences, University of Aizu
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Honma Michio
Center For Mathematical Sciences The University Of Aizu
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Brown B.
National Superconducting Cyclotron Laboratory And Department Of Physics And Astronomy Michigan State
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BROWN B.
National Superconducting Cyclotron Laboratory, Michigan State University:Department of Physics, Michigan State University
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MIZUSAKI Takahiro
Institute for Natural Sciences, Senshu University
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SHIMIZU Noritaka
Center for Nuclear Study, University of Tokyo
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UTSUNO Yutaka
Advanced Science Research Center, Japan Atomic Energy Agency
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OTSUKA Takaharu
Department of Physics, University of Tokyo:Center for Nuclear Study, University of Tokyo:National Superconducting Cyclotron Laboratory, Michigan State University
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