Scaling behavior of isotopes in nuclear reactions
2002
A three parameter scaling relationship (termed isoscaling) between isotopic distributions for elements with Z⩽8 has been observed for a variety of reaction mechanisms that are dominated by phase space, including evaporation, multifragmentation, and deeply inelastic scattering. For multifragmentation processes, the parameters characterizing isoscaling are shown to be sensitive to the density dependence of the asymmetry term of the equation of state. Such sensitivity is discussed within the context of the Exanding Evaporating Source model and an isospin dependent dynamical model of nuclear collisions.
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