Disappearance of Rotational Flow and Reaction Plane Dispersions in Kr+Au Collisions

W. Q. Shen, Shanghai Institute of Nuclear Research, Chinese Academy of Science / 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
N. Carlin, Instituto de Fisica, Universidade de São Paulo
R. J. Charity, Department of Chemistry, Washington University
J. Feng, Shanghai Institute of Nuclear Research, Chinese Academy of Science
C. K. Gelbke, 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
M. J. Huang, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
G. J. Kunde, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
M-C. Lemaire, Laboratoire National SATURNE, CEN Saclay
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
U. Lynen, Gesellschaft für Schwerionenforschung
Y. G. Ma, Shanghai Institute of Nuclear Research, Chinese Academy of Science
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
J. Pochodzalla, Gesellschaft für Schwerionenforschung
H. Sann, Gesellschaft für Schwerionenforschung
C. Schwarz, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University
L. G. Sobotka, Department of Chemistry, Washington University
R. T. de Souza, IUCF and Department of Chemistry, Indiana University
S. R. Souza, Laboratoire National SATURNE, CEN Saclay
W. Trautmann, Gesellschaft für Schwerionenforschung
C. Williams, National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University

Document Type

Article

Publication Date

3-1-1998

Publication Source

Physical Review C

Volume Number

57

Issue Number

3

First Page

1508

Last Page

1511

Publisher

American Physical Society

Abstract

Two-particle azimuthal correlations have been used to extract reaction plane dispersion free triple-differential cross sections for d, t, and α particles for the midcentral collisions of 84Kr+197Au at E/A=35, 55, and 70 MeV. Both experimental measurements and extrapolations from lower incident energies suggest that rotational flow disappears at E/A≈100 MeV for light charged particles and that reaction plane dispersions introduce large uncertainties in extracting the disappearance of rotational flow.

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