Electromagnetic dissociation of Co59 and Au197 targets by relativistic La139 projectiles

John C. Hill, F. K. Wohn, J. A. Winger, M. Khayat, K. Leininger, and A. R. Smith
Phys. Rev. C 38, 1722 – Published 1 October 1988
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Abstract

The electromagnetic dissociation of Co59 and Au197 target nuclei by 1.26 GeV/nucleon La139 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 Co59(139La,X)58CO and Au197(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.

  • Received 6 July 1988

DOI:https://doi.org/10.1103/PhysRevC.38.1722

©1988 American Physical Society

Authors & Affiliations

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

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Issue

Vol. 38, Iss. 4 — October 1988

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