Biomedical subjects
de Souza RT
Publications and source records attributed to de Souza RT.
Isospin fractionation in nuclear multifragmentation
Isotopic distributions for light particles and intermediate mass fragments have been measured for 112Sn+112Sn, 112Sn+124Sn, 124Sn+112Sn, and 124Sn+124Sn collisions at E/A = 50 MeV. Isotope, isotone, and isobar yield ratios are utilized to estimate the isotopic composition of the gas phase at freeze-out. Analyses within the equilibrium limit imply that the gas phase is enriched in neutrons relative to the liquid phase represented by bound nuclei. These observations suggest that neutron diffusion is commensurate with or more rapid than fragment production.
Investigating the Evolution of Multifragmenting Systems with Fragment Emission Order.
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Mass Dependence of Directed Collective Flow.
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Dynamical Fragment Production as a Mode of Energy Dissipation in Heavy-Ion Reactions.
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Charge Correlations and Dynamical Instabilities in the Multifragment Emission Process.
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Reducibility and Thermal and Mass Scaling in Angular Correlations from Multifragmentation Reactions.
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Phase coexistence in multifragmentation?
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Changing source characteristics during multifragment decay.
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Cross comparisons of nuclear temperatures determined from excited state populations and isotope yields.
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Emission of intermediate mass fragments during fission.
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Intermediate-mass fragment decay of the neck zone formed in peripheral 209Bi+136Xe collisions at Elab/A=28MeV.
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Assessing the Evolutionary Nature of Multifragment Decay.
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Reducibility and thermal scaling of charge distributions in multifragmentation.
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Dissipative orbiting in 209Bi+136Xe collisions at Elab/A=28 MeV.
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Decay patterns of dysprosium nuclei produced in 32S+118,124Sn fusion reactions.
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Space-time ambiguity of two- and three-fragment reduced velocity correlation functions.
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Impact parameter selected excited state populations for 36Ar+197Au reactions at E/A=35 MeV.
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