Title

Phase Coexistence in Multifragmentation?

Authors

L. G. Moretto, Nuclear Science Division, Lawrence Berkeley Laboratory
L. Phair, Nuclear Science Division, Lawrence Berkeley Laboratory
R. Ghetti, Nuclear Science Division, Lawrence Berkeley Laboratory
K. Tso, Nuclear Science Division, Lawrence Berkeley Laboratory
N. Colonna, Nuclear Science Division, Lawrence Berkeley Laboratory
W. Skulski, Nuclear Science Division, Lawrence Berkeley Laboratory
G. J. Wozniak, Nuclear Science Division, Lawrence Berkeley Laboratory
D. R. Bowman, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
N. Carlin, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
M. Chartier, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
C. K. Gelbke, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
W. G. Gong, 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
Y. D. Kim, 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
C. Schwarz, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
R. T. de Souza, 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
F. Zhu, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University

Document Type

Article

Publication Date

1-15-1995

Abstract

The charge ( Z) distributions from intermediate energy heavy-ion reactions depend upon the multiplicity n of intermediate mass fragments through a factor of the form e−cnZ. Experimentally c starts from zero at low values of the transverse energy Et and reaches a saturation value at high Et. In a liquid-gas phase diagram c=0 for the saturated vapor, while c>0 for the unsaturated vapor. It is suggested that in the c≈0 regime the source evaporates down to a sizable remnant, while for c>0 the source vaporizes completely. Percolation of finite systems and nuclear evaporation portray a behavior similar to that observed experimentally.

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