Excitation energy and spin dependence of the giant dipole resonance at finite temperature

J. Kasagi, K. Furutaka, T. Murakami, A. Yajima, M. Ohshima, S. Niiya, H. Tominaga, K. Yoshida, Hiroyuki Hama, K. Ieki, W. Galster, K. Kubo, M. Ishihara, A. Galonsky

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In order to investigate the evolution of the GDR from low to high excitation energies, a series of experiments, in which high energy γ-rays were measured in heavy ion fusion reactions, have been performed at JAFRI and at RIKEN. It has been confirmed that the width of the GDR increases rapidly for Ex ≥ 100 MeV and our previously introduced Γ(Ex) can explain the data well for 80 ≤ Ex ≤ 120 MeV. The limiting temperature of the nucleus for existing of the GDR has been deduced for A ∼ 70, 105 and 130. The GDR seems to disappear at the temperature of about a quarter of the resonance energy.

元の言語English
ページ(範囲)585-591
ページ数7
ジャーナルNuclear Physics, Section A
538
発行部数C
DOI
出版物ステータスPublished - 1992 1 1
外部発表Yes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Kasagi, J., Furutaka, K., Murakami, T., Yajima, A., Ohshima, M., Niiya, S., Tominaga, H., Yoshida, K., Hama, H., Ieki, K., Galster, W., Kubo, K., Ishihara, M., & Galonsky, A. (1992). Excitation energy and spin dependence of the giant dipole resonance at finite temperature. Nuclear Physics, Section A, 538(C), 585-591. https://doi.org/10.1016/0375-9474(92)90807-V