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APS » Journals » Phys. Rev. Lett. » Volume 55 » Issue 24
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Phys. Rev. Lett. 55, 2676–2679 (1985)

Measurements of Interaction Cross Sections and Nuclear Radii in the Light p-Shell Region

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I. Tanihata*, H. Hamagaki, O. Hashimoto, Y. Shida, and N. Yoshikawa
Institute for Nuclear Study, University of Tokyo, Tanashi, Tokyo 188, Japan

K. Sugimoto†, O. Yamakawa, and T. Kobayashi
Nuclear Science Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720

N. Takahashi
College of General Education, Osaka University, Toyonaka, Osaka 560, Japan

Received 11 July 1985; revised 17 September 1985; published in the issue dated 9 December 1985

Interaction cross sections (σI) for all known Li isotopes (6Li-11Li) and 7Be, 9Be, and 10Be on targets Be, C, and Al have been measured at 790 MeV/nucleon. Root mean square radii of these isotopes as well as He isotopes have been deduced from the σI by a Glauber-type calculation. Appreciable differences of radii among isobars (6He-6Li, 8He-8Li, and 9Li-9Be) have been observed for the first time. The nucleus 11Li showed a remarkably large radius suggesting a large deformation or a long tail in the matter distribution.

© 1985 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.55.2676
DOI:
10.1103/PhysRevLett.55.2676
PACS:
25.70.-z, 21.10.Gv, 27.20.+n

*Also at Lawrence Berkeley Laboratory, University of California, Berkeley, Cal. 94720.

†Permanent address: Faculty of Science, Osaka University, Osaka 560, Japan.

See Also

Comment: P. J. Ellis and Y. C. Tang, Comment on "Measurements of Interaction Cross Sections and Nuclear Radii in the Light p-Shell Region", Phys. Rev. Lett. 56, 1309 (1986).

 
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