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APS » Journals » Phys. Rev. Lett. » Volume 77 » Issue 22
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Phys. Rev. Lett. 77, 4508–4511 (1996)

Investigating the Evolution of Multifragmenting Systems with Fragment Emission Order

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E. W. Cornell, T. M. Hamilton, D. Fox, Y. Lou, and R. T. de Souza
Department of Chemistry and Indiana University Cyclotron Facility, Indiana University, Bloomington, Indiana 47405

M. J. Huang, W. C. Hsi, C. Schwarz, C. Williams, D. R. Bowman, J. Dinius, C. K. Gelbke, D. O. Handzy, M. A. Lisa, W. G. Lynch, G. F. Peaslee, L. Phair, and M. B. Tsang
National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824

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

W. A. Friedman
Department of Physics, University of Wisconsin, Madison, Wisconsin 53076

Received 22 May 1996; published in the issue dated 25 November 1996

Multifragment decays of central collisions in 84Kr+197Au at E/A = 70MeV are studied. By utilizing a technique sensitive to the emission order of fragments, it is deduced that carbon fragments are emitted prior to beryllium fragments when these fragments have the same velocity. This observation is consistent with the cooling of a thermally decaying source.

© 1996 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.77.4508
DOI:
10.1103/PhysRevLett.77.4508
PACS:
25.70.Pq, 21.65.+f
 
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