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Phys. Rev. C 57, 1508–1511 (1998)

Disappearance of rotational flow and reaction plane dispersions in Kr+Au collisions

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W. Q. Shen1,2, M. B. Tsang2, N. Carlin3, R. J. Charity4, J. Feng1, C. K. Gelbke2, W. C. Hsi2, M. J. Huang2, G. J. Kunde2, M-C. Lemaire5, M. A. Lisa2,*, W. G. Lynch2, U. Lynen6, Y. G. Ma1, G. F. Peaslee2, L. Phair2,†, J. Pochodzalla6, H. Sann6, C. Schwarz2, L. G. Sobotka4, R. T. de Souza7, S. R. Souza5, W. Trautmann6, and C. Williams2
1Shanghai Institute of Nuclear Research, Chinese Academy of Science, 201800, Shanghai, P.O. Box 800204, People’s Republic of China
2National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824
3Instituto de Fisica, Universidade de São Paulo, CEP 01498, São Paulo, Brazil
4Department of Chemistry, Washington University, St. Louis, Missouri 63130
5Laboratoire National SATURNE, CEN Saclay, 91191 Gif-sur-Yvette Cedex, France
6Gesellschaft für Schwerionenforschung, D-6100 Darmstadt 11, Germany
7IUCF and Department of Chemistry, Indiana University, Bloomington, Indiana 47405

Received 11 December 1996; published in the issue dated March 1998

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.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.57.1508
DOI:
10.1103/PhysRevC.57.1508
PACS:
25.70.Mn, 25.70.Pq

*Present address: Department of Physics, Ohio State University, Columbus, Ohio 43210.

†Present address: Lawrence Berkeley Laboratory, Berkeley California 94720.

 
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