EPJ Web of Conferences (Jan 2024)

Energy-Dependent Fission-Product Yields in the Region of Second-Chance Fission

  • Tonchev Anton P.,
  • Malone Ronald C.,
  • Ramirez Anthony P.D.,
  • Silano Jack A.,
  • Stoyer Mark A.,
  • Gooden Mathew E.,
  • Bredeweg Todd A.,
  • Vieira David J.,
  • Wilhelmy Jerry B.,
  • Finch Sean W.,
  • Howell Calvin R.,
  • Tornow Werner

DOI
https://doi.org/10.1051/epjconf/202429208002
Journal volume & issue
Vol. 292
p. 08002

Abstract

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The energy dependence of high-yield fission products has been measured using quasi-monoenergetic neutron beams at energies between 5.5 and 11.0 MeV. The absolute number of fissions during the irradiation period was determined via dual-fission ionization chambers, while the fission products were measured via direct g-ray spectroscopy. This paper presents absolute fission product yields from neutron-induced fission of 235U, 238U, and 239Pu isotopes for five incident energies in the second chance fission region.