Onset of Nuclear Vaporization in 197Au +
197Au Collisions
Onset of Nuclear Vaporization in 197Au +
197Au Collisions
| Authors: | M.B. Tsang, W.C. Hsi, W.G. Lynch, D.R. Bowman, C.K. Gelbke, M.A. Lisa, G.F. Peaslee, G.J. Kunde, M.L. Begemann-Blaich, T. Hofmann, J. Hubele, J. Kempter, P. Kreutz, W.D. Kunze, V. Lindenstruth, U. Lynen, M. Mang, W.F.J. Müller, M. Neumann, B. Ocker, C.A. Ogilvie, J. Pochodzalla, F. Rosenberger, H. Sann, A. Schüttauf, V. Serfling, J. Stroth, W. Trautmann, A. Tucholski, A. Wörner, E. Zude, B. Zwieglinski, S. Aiello, G. Immé, V. Pappalardo, G. Raciti, R.J. Charity, L.G. Sobotka, I. Iori, A. Moroni, R. Scardoni, A. Ferrero, W. Seidel, Th. Blaich, L. Stuttge, A. Cosmo, W.A. Friedman, and G. Peilert |
| Published: | Phys. Rev. Lett. 71(1993)1502 [->Spires] |
| Abstract: |
Multifragmentation has been measured for
197Au+197Au collisions at E/A=100, 250,
and 400 MeV. The mean fragment multiplicity increases
monotonically with the charged particle multiplicity at
E/A=100 MeV, but decreases for central collisions with
incident energy, consistent with the onset of nuclear
vaporization. Molecular dynamics calculations follow some
trends but underpredict the observed fragment multiplicities.
Including the statistical decay of excited residues improves
the agreement for peripheral collisions but worsens it for
central collisions.
PACS: 25.70.Pq, 25.70.Gh |
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