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APS » Journals » Phys. Rev. Lett. » Volume 88 » Issue 4
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Phys. Rev. Lett. 88, 042701 (2002) [4 pages]

Liquid to Vapor Phase Transition in Excited Nuclei

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J. B. Elliott, L. G. Moretto, L. Phair, and G. J. Wozniak
Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720

L. Beaulieu1, H. Breuer2, R. G. Korteling3, K. Kwiatkowski4, T. Lefort5, L. Pienkowski6, A. Ruangma7, V. E. Viola5, and S. J. Yennello7 (ISiS Collaboration)
1Départment de Physique, Université Laval Québec, Canada G1K 7P4
2Department of Physics, University of Maryland, College Park, Maryland 20740
3Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada V5A IS6
4Physics Division p-23, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
5Department of Chemistry and IUCF, Indiana University, Bloomington, Indiana 47405
6Heavy Ion Laboratory, Warsaw University, Warsaw, Poland
7Department of Chemistry & Cyclotron Laboratory, Texas A&M University, College Station, Texas 77843

Received 11 April 2001; revised 23 August 2001; published 15 January 2002

The thermal component of the 8GeV/c π+Au data of the ISiS Collaboration is shown to follow the scaling predicted by Fisher’s model when Coulomb energy is taken into account. Critical exponents τ and σ, the critical point (pc,ρc,Tc), surface energy coefficient c0, enthalpy of evaporation ΔH, and critical compressibility factor CcF are determined. For the first time, the experimental phase diagrams, (p,T) and (T,ρ), describing the liquid vapor coexistence of finite neutral nuclear matter have been constructed.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.042701
DOI:
10.1103/PhysRevLett.88.042701
PACS:
25.70.Pq, 05.70.Jk, 24.60.Ky, 64.60.Ak
 
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