Isotopic dependence of the caloric curve
Journal article, 2009

Isotopic effects in projectile fragmentation at relativistic energies have been studied with the ALADIN forward spectrometer at SIS. Stable and radioactive Sn and La beams with an incident energy of 600 MeV per nucleon have been used in order to explore a wide range of isotopic compositions. Chemical freeze-out temperatures are found to be nearly invariant with respect to the A/Z ratio of the produced spectator sources, consistent with predictions for expanded systems. Consequences for the proposed interpretation of chemical breakup temperatures as representing the limiting temperatures predicted by microscopic models are discussed. (C) 2009 Elsevier B.V. All rights reserved.

emission

nuclear caloric curve

hot nuclei

radioactive beams

limiting temperature

temperature

multifragmentation

isotopic effects

gas phase-transition

projectile fragmentation

isotope temperature

microscopic models

coulomb instability

Author

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Progress in Particle and Nuclear Physics

0146-6410 (ISSN)

Vol. 62 2 407-412

Subject Categories

Subatomic Physics

DOI

10.1016/j.ppnp.2008.12.006

More information

Created

10/7/2017