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APS » Journals » Phys. Rev. C » Volume 53 » Issue 5
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Phys. Rev. C 53, 2273–2286 (1996)

Changing source characteristics during multifragment decay

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T. M. Hamilton, E. Cornell, 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, T. Glasmacher, 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

A. A. Sonzogni and D. Prindle
Department of Chemistry and Nuclear Physics Laboratory, University of Washington, Seattle, Washington

Received 13 October 1995; published in the issue dated May 1996

The spatial-temporal extent of the emitting system for central collisions in 84Kr + 197Au at E/A = 35, 55, and 70 MeV is probed using fragment-fragment velocity correlation functions. Selection on fragment pairs of high velocity yields a stronger fragment-fragment Coulomb interaction than for inclusive fragment pairs. This result is consistent with fragment emission from a source of decreased spatial-temporal extent. The universality of this association and the effect of different selection criteria are explored. The sensitivity of the spatial-temporal extent deduced by the correlation function technique to measurement uncertainties, assumed source characteristics, and rotational effects is assessed. © 1996 The American Physical Society.

© 1996 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.53.2273
DOI:
10.1103/PhysRevC.53.2273
PACS:
25.70.Pq
 
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