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Phys. Rev. C 37, 1783–1786 (1988)

Evolution of mass and charge asymmetry in damped heavy-ion reactions

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R. T. de Souza, W. U. Schröder, and J. R. Huizenga
Department of Chemistry and Nuclear Structure Research Laboratory, University of Rochester, Rochester, New York 14627

R. Planeta, K. Kwiatkowski, and V. E. Viola
Department of Chemistry and Indiana University Cyclotron Facility, Indiana University, Bloomington, Indiana 47405

H. Breuer
Department of Physics, University of Maryland, College Park, Maryland 20742

Received 31 December 1987; published in the issue dated April 1988

Projectile-like fragments have been studied with high A and Z resolution for the damped reactions 238U+40Ca, 48Ca, 58Ni, and 64Ni at 8.5 MeV/nucleon. These dinuclear systems exhibit widely different driving forces. Qualitative agreement between experiment and dynamical nucleon-exchange transport theory is obtained for the first and second moments of the fragment atomic (Z) and neutron (N) number distributions. However, systematic differences exist between the experimental and theoretical average values of Z and N suggesting the need for more realistic driving forces.

© 1988 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.37.1783
DOI:
10.1103/PhysRevC.37.1783
PACS:
25.70.Lm
 
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