Optical Model Potential in the Lowest Order Brueckner Theory and Complex Effective N-N Interaction

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概要

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• The optical model potential for a nucleon propagating inside the infinite nuclear medium is calculated in the Brueckner-Hartree-Fock approximation. It is found that the resultant optical potential, especially its imaginary part, strongly depends on the strength of the tensor component and the short-range behavior of the used realistic nuclear force. Our results for the real part show a large anomaly just above the Fermi momentum especially in lower density. This anomaly mainly comes from the ^3S_1 + ^3D_1 state interaction. From the obtained transition matrix a complex effective N-N interaction with three-range-Gaussian form factor is constructed. This interaction reproduces the partial wave contributions to the optical potential in nuclear matter. By using the folding procedure, this effective interaction is applied to the p+^<40>Ca elastic scattering. The observed differential cross section and polarization are very well reproduced over a wide range of energies with only a renormalization of the imaginary potential strength.

• 理論物理学刊行会の論文
• 1983-08-25

著者

• Nagata Sinobu

  Department Of Applied Physics Faculty Of Engineering Miyazaki University

• Matsuda Takaaki

  Department Of Applied Physics Faculty Of Engineering Miyazaki University

• YAMAGUCHI Norio

  Nuclear Physics Laboratory, Oxford

• Yamaguchi Norio

  Nuclear Physics Laboratory Oxford

• NAGATA Sinobu

  Department of Computer Science and Systems Engineering, Miyazaki University

• NAGATA Sinobu

  Department of Applied Physics, Miyazaki University

• NAGATA Sinobu

  Department of Applied Physics, Faculty of Engineering, Miyazaki University

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