Multifragment Emission in the Reaction 36Ar + 197Au at E/A = 35, 50, 80, and 110 MeV

R. T. de Souza, 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
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. Yim, 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
H. M. Tsang, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
H. M. Xu, 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
W. A. Friedman, Department of Physics, University of Wisconsin

Document Type

Article

Publication Date

10-3-1991

Publication Source

Physics Letters B

Volume Number

268

Issue Number

1

First Page

6

Last Page

11

Publisher

Elsevier

Abstract

Multifragment emission in the reaction at has been measured with a low-threshold 4π detector array. Over this broad range of incident energies, the mean values and variances of the intermediate mass fragment (IMF: 3 ⩽ Z ⩽ 20) multiplicity distributions exhibit an approximate scaling with the total charged particle multiplicity. The measured multiplicities of light charged particles and intermediate mass fragments are compared with both a model involving statistical decay of an expanding compound nucleus, and with a model involving microscopic quasi-particle dynamics. The statistical decay model predictions are sensitive to the low-density nuclear equation of state.

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