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Constrained caloric curves and phase transition for hot nuclei

Authors
  • Borderie, Bernard
  • Piantelli, S.
  • Rivet, M. F.
  • Raduta, Ad. R.
  • Ademard, G.
  • Bonnet, E.
  • Bougault, R.
  • Chbihi, A.
  • Frankland, J. D.
  • Galichet, E.
  • Gruyer, D.
  • Guinet, D.
  • Lautesse, P.
  • Neindre, N. Le
  • Lopez, O.
  • Marini, P.
  • Parlog, M.
  • Pawlowski, P.
  • Rosato, E.
  • Roy, R.
  • And 1 more
Type
Published Article
Publication Date
May 07, 2013
Submission Date
May 07, 2013
Identifiers
DOI: 10.1016/j.physletb.2013.05.004
Source
arXiv
License
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External links

Abstract

Simulations based on experimental data obtained from multifragmenting quasi-fused nuclei produced in central $^{129}$Xe + $^{nat}$Sn collisions have been used to deduce event by event freeze-out properties in the thermal excitation energy range 4-12 AMeV [Nucl. Phys. A809 (2008) 111]. From these properties and the temperatures deduced from proton transverse momentum fluctuations, constrained caloric curves have been built. At constant average volumes caloric curves exhibit a monotonic behaviour whereas for constrained pressures a backbending is observed. Such results support the existence of a first order phase transition for hot nuclei.

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