Caloric Curve for Mononuclear Configurations

L. G. Sobotka, R. J. Charity, J. Tõke, and W. U. Schröder
Phys. Rev. Lett. 93, 132702 – Published 21 September 2004

Abstract

The caloric curve for mononuclear configurations is studied with a schematic model. We investigate the dependence of the entropy on the density and effective-mass profiles. In finite nuclei, a plateau in the caloric curve is a consequence of decreasing density and the destruction of correlations rather than an indication of phase coexistence. The mononuclear regime is metastable with respect to binary fission at low excitation energy and with respect to multifragmentation at high excitation. The statistical framework presented here is suitable to treat scenarios where experimental conditions are set to favor a population of highly excited mononuclei.

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  • Received 26 April 2004

DOI:https://doi.org/10.1103/PhysRevLett.93.132702

©2004 American Physical Society

Authors & Affiliations

L. G. Sobotka1,2, R. J. Charity1, J. Tõke3, and W. U. Schröder3

  • 1Department of Chemistry, Washington University, St. Louis, Missouri 63130, USA
  • 2Department of Physics, Washington University, St. Louis, Missouri 63130, USA
  • 3Department of Chemistry, University of Rochester, Rochester, New York 14627, USA

See Also

Breakup Densities of Hot Nuclei

V. E. Viola, K. Kwiatkowski, J. B. Natowitz, and S. J. Yennello
Phys. Rev. Lett. 93, 132701 (2004)

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Vol. 93, Iss. 13 — 24 September 2004

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