Abstract

Fission cross sections of a range of actinides have been measured at the Los Alamos Neutron Science Center (LANSCE) in support of nuclear energy applications in a wide energy range from sub thermal energies up to 200 MeV. Parallel‐plate ionization chambers are used to measure fission cross sections ratios relative to the 235U standard while incident neutron energies are determined using the time‐of‐flight method. Recent measurements include the 233,238U, 239–242Pu and 243Am neutron‐induced fission cross sections. Obtained data are presented in comparison with existing evaluations and previous data.

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