Neutron-induced fission cross section of nat-Pb and 209-Bi from threshold to 1 GeV: An improved parametrization
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Neutron-induced fission cross sections for natPb and 209Bi were measured with a white-spectrum neutron source at theCERNNeutron Time-of-Flight (n TOF) facility. The experiment, using neutrons from threshold up to 1 GeV, provides the first results for these nuclei above 200 MeV. The cross sections weremeasured relative to 235U and 238U in a dedicated fission chamber with parallel plate avalanche counter detectors. Results are compared with previous experimental data. Upgraded parametrizations of the cross sections are presented, from threshold energy up to 1 GeV. The proposed new sets of fitting parameters improve former results along the whole energy range.
CitationCalviño, F. [et al.]. Neutron-induced fission cross section of nat-Pb and 209-Bi from threshold to 1 GeV: An improved parametrization. "Physical review C", 28 Abril 2011, vol. 83, núm. 044620, p. 4462001-4462009.
|PhysRevC.83.044620.pdf||Neutron-induced fission cross section of nat-Pb and 209-Bi from threshold to 1 GeV: An improved parametrization||518.7Kb||Restricted access|