Transition properties of low-lying states in Si 28 probed via inelastic proton and α scattering

Yoshiko Kanada-En'yo, Kazuyuki Ogata

研究成果: ジャーナルへの寄稿学術誌査読

6 被引用数 (Scopus)

抄録

0+, 1-, 2+, and 3- excitations of Si28 are investigated via proton and α inelastic scattering off Si28. The structure calculation of Si28 is performed with the energy variation after total angular momentum and parity projections in the framework of antisymmetrized molecular dynamics (AMD). As a result of the AMD calculation, the oblate ground and prolate bands, 0+ and 3- excitations, and the 1- and 3- states of the Kπ=0- band are obtained. Using the matter and transition densities of Si28 obtained by AMD, microscopic coupled-channels calculations of proton and α scattering off Si28 are performed. The proton-Si28 potentials in the reaction calculation are microscopically derived by folding the Melbourne g-matrix NN interaction with the AMD densities of Si28. The α-Si28 potentials are obtained by folding the nucleon-Si28 potentials with an α density. The calculation reasonably reproduces the observed elastic and inelastic cross sections of proton and α scattering. Transition properties are discussed by combining the reaction analysis of proton and α scattering and structure features such as transition strengths and form factors. The isoscalar monopole and dipole transitions are focused.

本文言語英語
論文番号064608
ジャーナルPhysical Review C
101
6
DOI
出版ステータス出版済み - 6月 2020
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学

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