Fragment distributions for highly charged systems
Journal Article
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· Physical Review, C
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- National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 (United States)
- Institute for Nuclear Research, 117312 Moscow (Russia)
- Laboratoire National SATURNE, CEN Saclay, 91191 Gif-sur-Yvette (France)
- Department of Chemistry, Washington University, St. Louis, Missouri 63130 (United States)
- Gesellschaft fuer Schwerionenforschung, D-64220 Darmstadt 11 (Germany)
- Department of Chemistry and IUCF, Indiana University, Bloomington, Indiana 47405 (United States)
- Instituto de Fisica, Universidade de Sao Paulo, CEP 01498, Sao Paulo (Brazil)
Charge and transverse energy distributions for intermediate mass fragments have been extracted for central {sup 84}Kr+{sup 197}Au collisions at E/A=35{minus}400 MeV. The slopes of the measured fragment charge distributions decrease monotonically with incident energy, consistent with the expectations for highly charged systems, but not with recent critical exponent analyses. Statistical model calculations, which reproduce the experimental trends, suggest that post-breakup fragment secondary decays alter significantly the observed charge distributions. Radial expansion velocities extracted from these calculations follow the systematics of Au+Au collisions. {copyright} {ital 1997} {ital The American Physical Society}
- Research Organization:
- Washington University
- DOE Contract Number:
- FG02-87ER40316
- OSTI ID:
- 496901
- Journal Information:
- Physical Review, C, Journal Name: Physical Review, C Journal Issue: 5 Vol. 55; ISSN PRVCAN; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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