Changing Source Characteristics During Multifragment Decay

T. M. Hamilton, Department of Chemistry and Indiana University Cyclotron Facility, Indiana University
E. Cornell, Department of Chemistry and Indiana University Cyclotron Facility, Indiana University
D. Fox, Department of Chemistry and Indiana University Cyclotron Facility, Indiana University
Y. Lou, Department of Chemistry and Indiana University Cyclotron Facility, Indiana University
R. T. de Souza, Department of Chemistry and Indiana University Cyclotron Facility, Indiana University
M. J. Huang, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
W. C. Hsi, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
C. Schwarz, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
C. Williams, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
D. R. Bowman, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
J. Dinius, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
C. K. Gelbke, Department of Chemistry and Indiana University Cyclotron Facility, Indiana University
T. Glasmacher, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
D. O. Handzy, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
M. A. Lisa, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
W. G. Lynch, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
Graham F. Peaslee, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State UniversityFollow
L. Phair, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
M. B. Tsang, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
G. VanBuren, Department of Chemistry, Washington University
R. J. Charity, Department of Chemistry, Washington University
L. G. Sobotka, Department of Chemistry, Washington University
A. A. Sonzogni, Department of Chemistry and Nuclear Physics Laboratory, University of Washington
D. Prindle, Department of Chemistry and Nuclear Physics Laboratory, University of Washington

Document Type

Article

Publication Date

5-1-1996

Publication Source

Physical Review C

Volume Number

53

Issue Number

5

First Page

2273

Last Page

2286

Publisher

American Physical Society

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.

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