Ratio of the Isovector Spin-Flip to Nonflip Effective Interaction from 0°(p, n) Scattering : Nuclear Physics

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概要

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• Relativistic analyses of the ratio of the isovector spin-flip to nonspin-flip effective NN interaction strength from the Gamow-Teller and Fermi transitions in 0°(p, n) scattering are performed using the factorized relativistic distorted-wave impulse approximation. Our relativistic calculation using the NN interaction with a pseudoscalar coupling is similar to the nonrelativistic result. On the other hand, the calculation with a pseudovector coupling in the place of pseudoscalar one can give large values of the ratios in the intermediate-energy range from 300 to 500 MeV, but is smaller than the nonrelativistic result and the experimental data in the low-energy range below 200 MeV. This suggests that the important relativistic effect due to the negative-energy contribution may be apparent in the ratio.

• 理論物理学刊行会の論文
• 1990-04-25

著者

• MIYAZAKI Kiro

  Department of Physics, Osaka City University

• Miyazaki Kiro

  Department Of Physics Osaka City University

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