Total interaction and proton-removal cross-section measurements for the proton-rich isotopes 7Be, 8B, and 9C

B. Blank, C. Marchand, M. S. Pravikoff, T. Baumann, F. Boué, H. Geissel, M. Hellström, Naohito Iwasa, W. Schwab, K. Sümmerer, M. Gai

研究成果: Article査読

83 被引用数 (Scopus)

抄録

In an experiment performed at the FRS of GSI, we measured total interaction cross sections for 7Be, 8B, and 9C, one-proton-removal cross sections for 8B and 9C as well as two-proton-removal cross sections for 9C on targets ranging from carbon to lead at an energy of 285 MeV/nucleon. In addition, we performed measurements at 142 MeV/nucleon for 8B. The experimental results are compared to different calculations. Glauber-type calculations with different model density distributions show that, down to incident energies of about 50 MeV/nucleon, total interaction cross-section measurements with light targets are not sensitive to an extended proton distribution in 8B. However, at lower incident energies, a tail in the proton density distribution is needed to explain the total interaction cross sections. Total interaction cross-section measurements with high-Z targets in the present experiment show a significant increase of the cross sections due to low-lying electromagnetic strength.

本文言語English
ページ(範囲)242-256
ページ数15
ジャーナルNuclear Physics A
624
2
DOI
出版ステータスPublished - 1997 10 6
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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