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

• Otsuka Takaharu

  Department Of Physics And Center For Nuclear Studies University Of Tokyo:riken Hirosawa

• HONMA MICHIO

  Center for Mathematical Sciences, University of Aizu

• Honma Michio

  Center For Mathematical Sciences The University Of Aizu

• Brown B.

  National Superconducting Cyclotron Laboratory And Department Of Physics And Astronomy Michigan State

• BROWN B.

  National Superconducting Cyclotron Laboratory, Michigan State University:Department of Physics, Michigan State University

• MIZUSAKI Takahiro

  Institute for Natural Sciences, Senshu University

• SHIMIZU Noritaka

  Center for Nuclear Study, University of Tokyo

• UTSUNO Yutaka

  Advanced Science Research Center, Japan Atomic Energy Agency

• OTSUKA Takaharu

  Department of Physics, University of Tokyo:Center for Nuclear Study, University of Tokyo:National Superconducting Cyclotron Laboratory, Michigan State University

関連論文

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• Electromagnetic Moments of Exotic Na Isotopes and Their Relation to the N = 20 Shell Gap
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• A Workstation Farm Optimized for Monte Carlo Shell Model Calculations : Alphaleet
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• Structure of Unstable Nuclei Studied with Number-Projected HFB Calculation
• Gamow-Teller Strengths in Ni Isotopes and Nuclear Weak Processes

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