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VOLUME 97 (2013) | ISSUE 12 | PAGE 772
Estimate of the cross section for thermal neutrons
Abstract
Cross section of the thermal neutrons in the framework of statistical approach to the complicated nuclei is considered. We calculate probability distribution {\cal P}(z) to have given cross section σ (determined by fluctuations of resonance positions and widths). z is the ratio of σ to σ* where σ* is the cross section for the model of equidistant resonances with same width. The last quantity can be presented in terms of neutron strength function for given nuclei. Probability distribution {\cal P}(z) is universal for all nuclei.