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.

Original languageEnglish
Pages (from-to)1257-1264
Number of pages8
JournalPhysical Review C
Issue number4
Publication statusPublished - Jan 1 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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