The liquid to vapor phase transition in excited nuclei
J. B. Elliott, L. G. Moretto, L. Phair, G. J. Wozniak, T. Lefort, L. Beaulieu, K. Kwiatkowski, W. -C. Hsi, L. Pienkowski, H. Breuer, R. G. Korteling, R. Laforest, E. Martin, E. Ramakrishnan, D. Rowland, A. Ruangma, V. E. Viola, E. Winchester, S. J. Yennello
Abstract
For many years it has been speculated that excited nuclei would undergo a liquid to vapor phase transition. For even longer, it has been known that clusterization in a vapor carries direct information on the liquid- vapor equilibrium according to Fisher's droplet model. Now the thermal component of the 8 GeV/c pion + 197Au multifragmentation data of the ISiS Collaboration is shown to follow the scaling predicted by Fisher's model, thus providing the strongest evidence yet of the liquid to vapor phase transition.
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