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Phys. Rev. Lett. 79, 4962–4965 (1997)

Effect of Flow on the Caloric Curve for Finite Nuclei

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S. K. Samaddar1, J. N. De2, and S. Shlomo3
1Saha Institute of Nuclear Physics, 1/AF, Bidhannagar, Calcutta, 700064, India
2Variable Energy Cyclotron Centre, 1/AF, Bidhannagar, Calcutta, 700064, India
3Cyclotron Institute, Texas A&M University, College Station, Texas 77843-3366

Received 8 April 1997; published in the issue dated 22 December 1997

In a finite temperature Thomas-Fermi theory, we construct caloric curves for finite nuclei enclosed in a freeze-out volume a few times the normal nuclear volume, with and without inclusion of flow. Without flow the caloric curve indicates a smooth liquid-gas phase transition, whereas with flow the transition may be very sharp. We discuss these results in the context of two recent experiments, one for a heavy symmetric system ( Au+Au at 600AMeV) and the other for a highly asymmetric system ( Au+C at 1A GeV) where different behaviors in the caloric curves are seen.

© 1997 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.79.4962
DOI:
10.1103/PhysRevLett.79.4962
PACS:
25.70.Pq, 21.65.+f, 24.10.Pa, 25.75.Ld