Analog transitions in [Formula Presented]- and [Formula Presented]-shell nuclei and the isovector part of optical potentials studied by the [Formula Presented] reaction at 35 MeV

G. C. Jon, H. Orihara, T. Niizeki, M. Oura, K. Ishii, A. Terakawa, M. Hosaka, K. Itoh, C. C. Yun, Y. Fujii, T. Nakagawa, K. Miura, H. Ohnuma

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Quasielastic [Formula Presented] reactions on [Formula Presented]- and [Formula Presented]-shell nuclei were studied at an incident proton energy of 35 MeV. Differential cross sections for isobaric analog [Formula Presented] (Fermi-type) transitions and their angular distributions were measured in 13 [Formula Presented] target nuclei ranging [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] and [Formula Presented] Pure [Formula Presented] Fermi-type transitions were observed in six of them. As for the other seven nuclei, contributions from mixed [Formula Presented] components or those from unresolved transitions were evaluated by microscopic distorted-wave Born approximation (DWBA) calculations to subtract them from the raw data and extract pure Fermi-type transition strengths. Thus a total of 13 [Formula Presented] angular distributions was fitted by macroscopic DWBA calculations with a Lane-model optical potential to derive systematically the isovector part of the potential. The best-fit parameters for each target are presented. [Formula Presented]-dependent global parameters were obtained from these best-fit parameters by a least-squares fit.

本文言語English
ページ(範囲)900-907
ページ数8
ジャーナルPhysical Review C - Nuclear Physics
56
2
DOI
出版ステータスPublished - 1997 1 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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