منابع مشابه
Hot Fragmentation of Nuclei *
Today, we have a variety of reactions at hand that can be used to multi-fragment nuclei. In many of these reactions even several sources of fragments can be discerned and characterized. There is overwhelming evidence that these sources of fragments are hot. It is already less clear whether heat by itself is sufficient to initiate the fragment decay. What causes fragmentation, and when and how a...
متن کاملDynamical Model of Coherent Electroweak Pion Production Reactions on Nuclei
We have developed a dynamical model for a unified description of the pion-nucleus scattering and photoand neutrino-induced coherent pion production on nuclei. Our approach is based on a combined use of the Sato-Lee model for the electroweak pion production on a single nucleon and the ∆-hole model of pion-nucleus scattering. Numerical calculations are carried out for the case of the 12C target. ...
متن کاملStatistical and dynamical aspects in the decay of hot neutron-rich nuclei
The signal of isospin-asymmetric phase transition in the evolution of the chemical potential was observed for hot quasi-projectiles produced in the reactions Ca + Al confirming an analogous observation in the lighter system Si + Sn [1]. With increasing mass, the properties of hot quasi-projectiles become increasingly influenced by the secondary emission. Thermodynamical observables exhibit no s...
متن کاملDynamical Supersymmetries in Nuclei
67B, 84 (1977). A similar picture was independently suggested by N. N. Nikolaev and S. Pokorski, Phys. Lett. 80B, 290 (1979); N. N. Nikolaev and A. Ya. Ostapchuck, CERN Report No. TH-2575, 1978 (to be published). However, their model rests heavily on details of a specific quark recombination model, it is not applicable to lepton production, and their predictions involve a free choice of functio...
متن کاملDensity reorganization in hot nuclei
The density profile of a hot nuclear system produced in intermediate-energy heavy ion collisions is studied in a microcanonical formulation with a momentum and density dependent finite range interaction. The caloric curve and density evolution with excitation are calculated for a number of systems for the equilibrium mononuclear configuration; they compare favorably with the recent experimental...
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ژورنال
عنوان ژورنال: Nuclear Physics A
سال: 1995
ISSN: 0375-9474
DOI: 10.1016/0375-9474(94)00476-4