Systematic behavior of octupole strengths in 46,48,50Ti

A. Higashi, K. Katori, M. Fujiwara, H. Ikegami, I. Katayama, S. Morinobu, M. Tosaki, S. I. Hayakawa, N. Ikeda, H. Miyatake

研究成果: Contribution to journalArticle査読

14 被引用数 (Scopus)

抄録

The level structure of Ti48 has been studied by proton inelastic scattering using a 65-MeV polarized beam. Spin and parity assignments for the excited states below 8 MeV of excitation in Ti48 were made by the distorted-wave Born approximation analysis. The distributions of the excitation strengths for the 2+, 3-, and 4+ states were obtained. The energy-weighted sum rule fractions were found to be 7.12%, 9.35%, and 1.22% for the 2+, 3-, and 4+ states, respectively. The distribution of the octupole excitation strengths in Ti48 is compared with those in Ti46 and Ti50. The excitation strength corresponding to the first J=3- state in Ti50 was found to be fragmented in Ti48, and this fragmentation was shown to be consistent with the prediction by a simple liquid drop model for deformed nuclei. The systematic behavior of the 3- states below 1Latin small letter h with stroke excitation in the Ti isotopes shows that the fine structure of the 3- excitation strength distribution is closely correlated to the quadrupole deformation of the ground state.

本文言語英語
ページ(範囲)1286-1296
ページ数11
ジャーナルPhysical Review C
39
4
DOI
出版ステータス出版済み - 1 1 1989
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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