Cascade-Exciton Model Analysis of Nucleon-Induced Fission Cross Sections of Lead and Bismuth at Energies from 45 to 500 MeV

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An extended version of the Cascade-Exciton Model (CEM) of nuclear reactions is applied to analyze nucleon-induced fission cross sections for Bi-209 and Pb-208 nuclei in the 45-500 MeV energy range. The available data on linear momentum transfer are analyzed as well. The results are compared with analytical approximations resulting from a comparative critical analysis of all available experimental data. Systematic discrepancies between calculations and experimental data are revealed. A modification of the CEM is proposed, which significantly improves the model predictions for projectile energies above 100 MeV.
38 pages, 16 figures, 7 tables, LaTeX, submitted to Nucl. Sci. Eng

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Nuclear Theory, Nuclear Experiment

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http://salesiana.dossiersoluciones.com/handle/123456789/82877

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/9802027
 http://arxiv.org/abs/nucl-th/9802027

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arXiv