Changing source characteristics during multifragment decay

T. M. Hamilton, E. Cornell, D. Fox, Y. Lou, R. T. de Souza, 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, M. B. Tsang, G. VanBuren, R. J. Charity, L. G. Sobotka, A. A. Sonzogni, and D. Prindle
Phys. Rev. C 53, 2273 – Published 1 May 1996
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Abstract

The spatial-temporal extent of the emitting system for central collisions in Kr84 + Au197 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.

  • Received 13 October 1995

DOI:https://doi.org/10.1103/PhysRevC.53.2273

©1996 American Physical Society

Authors & Affiliations

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

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Vol. 53, Iss. 5 — May 1996

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