Phys. Rev. C 38, 1722 - 1729 (1988)Electromagnetic dissociation of 59Co and 197Au targets by relativistic 139La projectiles |
John C. Hill, F. K. Wohn, J. A. Winger, M. Khayat, and K. Leininger
Ames Laboratory and Iowa State University, Ames, Iowa 50011
A. R. Smith
Lawrence Berkeley Laboratory, Berkeley, California 94720
Received 6 July 1988
The electromagnetic dissociation of 59Co and 197Au target nuclei by 1.26 GeV/nucleon 139La projectiles was inferred from measurement of cross sections for the one-neutron removal reaction. The corresponding electromagnetic dissociation cross sections are large, reaching 0.28±0.04 and 1.97±0.13 barns for the 59Co(139La,X)58CO and 197Au(139La,X)196Au reactions, respectively. The experimental cross sections in excess of the estimated nuclear contributions are generally well described by use of the Weizsäcker-Williams method for calculating the electromagnetic dissociation contributions, but they appear to increase more slowly as the projectile charge is increased, consistent with a trend observed earlier for lower-Z projectiles.
©1988 The American Physical Society
URL: http://link.aps.org/abstract/PRC/v38/p1722
DOI: 10.1103/PhysRevC.38.1722
PACS: 25.70.Np
See Also
Comment: John W. Norbury, Comment on ‘‘Electromagnetic dissociation of 59Co and 197Au targets by relativistic 139La projectiles’’, Phys. Rev. C 39, 2472 (1989)
Reply: John C. Hill and F. K. Wohn, Reply to ‘‘Comment on ‘Electromagnetic dissociation of 59Co and 197Au targets by relativistic 139La projectiles’ ’’, Phys. Rev. C 39, 2474 (1989)
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