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Phys. Rev. Lett. 77, 2897–2900 (1996)

Multifragment Production in Reactions of 112S112n+Sn and 124S124n+Sn at E/A = 40MeV

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G. J. Kunde, S. J. Gaff, C. K. Gelbke, T. Glasmacher, M. J. Huang, R. Lemmon, W. G. Lynch, L. Manduci, L. Martin, and M. B. Tsang
Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824

W. A. Friedman
Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

J. Dempsey, R. J. Charity, and L. G. Sobotka
Department of Chemistry, Washington University, St. Louis, Missouri 63130

D. K. Agnihotri, B. Djerroud, W. U. Schröder, W. Skulski, J. Tõke, and K. Wyrozebski
Department of Chemistry and Nuclear Structure Research Laboratory, University of Rochester, Rochester, New York 14627

Received 20 February 1996; published in the issue dated 30 September 1996

Multiplicities of intermediate-mass fragments (IMFs), neutrons, and charged particles were measured for 112Sn+112Sn and 124Sn+124Sn at E/A = 40MeV. Significantly different scalings of the mean IMF multiplicities with neutron and charged-particle multiplicities are observed for the two reactions. These differences can be qualitatively understood in terms of fragment emission from an expanding evaporating source for which the initial rates of cooling by neutron and light-charged-particle emission depend on the neutron and proton numbers of the source according to statistical expectations.

© 1996 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.77.2897
DOI:
10.1103/PhysRevLett.77.2897
PACS:
25.70.Pq, 25.70.Gh
 
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