Two ionization fission chambers placed in fast neutron beam #5 (see figure in "Main page"). First one containes foils of actinide material and are used in work "Neutron induced fission cross-sections of 233U, 238U, 232Th, 237Np and 239Pu relative to 235U from 1 MeV to 200 MeV". Second one containes foils of natPb and Bi and are used in work "Neutron induced fission cross-sections of lead and bismuth relative to 235U in the energy range 30 - 200 MeV".

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