Low energy octupole resonance in Ti46 studied by inelastic proton scattering at 65 MeV

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

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The level structure of the low-energy octupole resonance in Ti46 has been studied by inelastic scattering using a 65 MeV polarized proton beam. The excitation strength and distribution of the 2+, 3-, and 4+ states below Ex8.0 MeV have been determined. The energy weighted sum rule fractions of 10.8%, 11.7%, and 1.98% are found to be exhausted for the quadrupole, octupole, and hexadecapole transitions, respectively. No clear bump of the low-energy octupole resonance strength isolated from the first 3- states has been observed. All the 3- states dispersed in the region of Ex=38 MeV seem to form one bump in Ti46. It is suggested that the fragmentation of a collective 3- state is due to the coupling effect of the octupole excitation with the static deformation of the Ti46 ground state, being in qualitative agreement with a random phase approximation calculation.

元の言語英語
ページ(範囲)1257-1264
ページ数8
ジャーナルPhysical Review C
35
発行部数4
DOI
出版物ステータス出版済み - 1 1 1987
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Fujiwara, M., Morinobu, S., Tosaki, M., Ito, H., Katayama, I., Ikegami, H., Hayakawa, S. I., Ikeda, N., Ohsumi, H., Higashi, A., & Katori, K. (1987). Low energy octupole resonance in Ti46 studied by inelastic proton scattering at 65 MeV. Physical Review C, 35(4), 1257-1264. https://doi.org/10.1103/PhysRevC.35.1257