Phys. Rev. C 49, 1597 - 1602 (1994)Intermediate mass fragments from the reactions 486, 550, 640, and 730 MeV 86Kr+63Cu |
J. Boger, John M. Alexander, A. Elmaani, S. Kox, Roy A. Lacey, and A. Narayanan
Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794
D. J. Moses
Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
M. A. McMahan
Lawrence Berkeley Laboratory, Berkeley, California 94720
P. A. DeYoung and C. J. Gelderloos
Department of Physics, Hope College, Holland, Michigan 49423
Received 28 April 1993
Intermediate mass fragments have been studied from the reaction 86Kr+63Cu for 86Kr beam energies of 486, 550, 640, and 730 MeV. Average center-of-mass (c.m.) energies are nearly constant with the c.m. angle and vary little with incident energy. Furthermore, the angular distributions are well approximated by 1/sinθc.m.. From this and other evidence we conclude that equilibration has occurred prior to fissionlike asymmetric binary breakup of the composite nucleus in the predominant mechanism for IMF production.
©1994 The American Physical Society
URL: http://link.aps.org/abstract/PRC/v49/p1597
DOI: 10.1103/PhysRevC.49.1597
PACS: 24.60.Dr, 25.70.Gh, 25.70.Jj
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