Symmetry energy of fragments produced in multifragmentation

Jul, 2005
4 pages
Published in:
  • J.Phys.G 37 (2010) 085010
e-Print:

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2005201020152020202301234
Abstract: (arXiv)
Isospin properties of fragments measured in multifragmentation of 136Xe and 124Xe projectiles in mid-peripheral collisions with a lead target at 1 A GeV were studied within the statistical approach describing the liquid-gas nuclear phase transition. By analyzing the isoscaling phenomenon and the mean N-over-Z ratio of the fragments with Z=10-13 we have concluded that the symmetry energy of hot fragments produced in multifragment environment at subnuclear densities at high temperatures decreases in comparison with cold nuclei.
Note:
  • 10 pages, 4 figures, background information on http://www-w2k.gsi.de/charms/
  • 25.70.Mn
  • 25.70.Pq
  • 24.10.Pa
  • symmetry energy
  • isoscaling
  • multifragmentation
  • scattering: heavy ion
  • xenon: nuclide
  • lead
  • multiple production: fragmentation
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