Neutron Fission Cross Section and Resonance Parameters Of 241am

A review of the results of a series of works performed by a joint group of researchers from the INR RAS and the SSC RF–IPPE on the lead slowing-down neutron spectrometer SVZ-100 to measure the fission cross-sections of americium isotopes 241Am, 242mAm, 243Am by neutrons with energies below 100 keV is presented. Due to the large mass of the working substance (100 tons of high-purity lead) and the generation of neutrons by protons with an energy of 209 MeV at the INR RAS accelerator, the high aperture ratio of the SVZ-100 made it possible to study neutron-nuclear processes in microgram samples of radioactive nuclides, which is not available in experiments using time-of-flight spectrometry. Unique scientific information has been obtained, partially compensating for the missing, or supplementing the existing, but often contradictory or insufficient data of experiments performed both on time-of-flight facilities and on lead slowing-down neutron spectrometers at other research centres. The results of the work of INR RAS–SSC RF–IPPE are reflected in international nuclear databases and indicate in a number of cases the need to adjust the recommended approximating and calculated values. Information is provided on the few carried out experiments and planned studies of neutron-induced fission cross-sections of americium isotopes in other centres after the completion of the work of the INR RAS–SSC RF–IPPE.

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Neutron Fission Cross Section and Resonance Parameters Of 241am

Cited by 2 publications

References 10 publications

Lead Slowing-Down Neutron Spectrometry 1: Cross-Section Data for 241Am(n,f), 242mAm(n,f), and 243Am(n,f) at Energies up to 100 keV

Lead Slowing-Down Neutron Spectrometry 1: Cross-Section Data for 241Am(n,f), 242mAm(n,f), and 243Am(n,f) at Energies up to 100 keV

Lead slowing-down neutron spectrometry 1: cross-section data for <sup>241</sup>Am(n, f), <sup>242m</sup>Am(n, f), <sup>243</sup>Am(n, f) at energies up to 100 keV

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