Shell-Model Calculations for A=6, 7, 8, and 9 with the Sussex Matrix Elements

Benjamin S. Cooper, J. B. Seaborn, and S. A. Williams
Phys. Rev. C 4, 1997 – Published 1 December 1971
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Abstract

Normal-parity states of the A=6, 7, 8, and 9 systems are calculated within the framework of the (0p)A4 shell-model basis. The two-nucleon interaction matrix elements deduced by the Sussex group are used to compute the interactions between 0p-shell particles as well as the interactions of individual 0p-shell particles with the (0s)4 core. The only adjustable parameter in the calculation is the oscillator length associated with the shell-model basis, although the range of acceptable values for this parameter is limited by the experimental rms radius for the nucleus under consideration. The agreement between calculated and experimental energy levels is poor. However, a strengthening of the S13 interaction greatly improves the results.

  • Received 6 July 1971

DOI:https://doi.org/10.1103/PhysRevC.4.1997

©1971 American Physical Society

Authors & Affiliations

Benjamin S. Cooper, J. B. Seaborn*, and S. A. Williams

  • Institute for Atomic Research and Department of Physics, Iowa State University, Ames, Iowa 50010

  • *Present address: Department of Physics, University of Richmond, Virginia 23173.

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Vol. 4, Iss. 6 — December 1971

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