Intermediate Mass Fragment Emission as a Probe of Nuclear Dynamics

D. R. Bowman, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
C. M. Mader, 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
W. Bauer, 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
R. T. de Souza, 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
L. Phair, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
M. B. Tsang, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
C. Williams, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
N. Colonna, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory, Berkeley
K. Hanold, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory, Berkeley
M. A. McMahan, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory, Berkeley
G. J. Wozniak, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory, Berkeley
L. G. Moretto, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory, Berkeley
W. A. Friedman, Department of Physics, University of Wisconsin

Document Type

Article

Publication Date

11-1-1992

Publication Source

Physical Review C

Volume Number

46

Issue Number

5

First Page

1834

Last Page

1848

Publisher

American Physical Society

Abstract

Element distributions and fragment multiplicity distributions have been measured for E/A=50 MeV Xe129+12C, Al27, V51, Cunat, Y89, and Au197 reactions using a low threshold 4π detector. Both distributions show a strong correlation with the detected charged particle multiplicity and a large degree of target independence. The measured distributions are compared with hybrid model calculations which incorporate important dynamical aspects in both the preequilibrium and statistical emission phases. Results of these calculations are in reasonable agreement with the data. However, uncertainties with regard to the compressibility of nuclear matter remain due to uncertainties in the coupling of the two models.

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