Extraction of the Multifragmentation Time Scale In Intermediate Energy Heavy-Ion Reactions

D. Fox, Indiana University Cyclotron Facility and Department of Chemistry, Indiana University
R. T. de Souza, Indiana University Cyclotron Facility and Department of Chemistry, Indiana University
L. Phair, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
D. R. Bowman, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
N. Carlin, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
C. K. Gelbke, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
W. G. Gong, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
Y. D. Kim, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
M. A. Lisa, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
W. G. Lynch, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
Graham F. Peaslee, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State UniversityFollow
M. B. Tsang, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
F. Zhu, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University

Document Type

Article

Publication Date

2-1-1993

Publication Source

Physical Review C

Volume Number

47

Issue Number

2

First Page

R421

Last Page

R424

Publisher

American Physical Society

Abstract

The spatial and temporal extent of a system decaying by multifragment emission is deduced. Two-particle intermediate mass fragment correlation functions measured for central Ar36+197Au collisions at E/A=50–110 MeV indicate a rapid decay, <75 fm/c, of the highly excited system. Furthermore, the behavior of the correlation function at large relative velocities suggests that considerable charge loss occurs prior to fragment emission.

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