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2024•EPJ Web of ConferencesOpen access

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

A. P. Tonchev, Ronald C. Malone, A. P. D. Ramirez, Jack Silano, M. A. Stoyer, Mathew Edgell Gooden, T. A. Bredeweg, David Vieira, J. B. Wilhelmy, S. W. Finch, C. R. Howell, W. Tornow

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Abstract

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.

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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.

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Available abstract

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.

Key concepts: Fission, Fission product yield, Cold fission, Cluster decay, Nuclear fission product, Fast fission, Nuclear physics, Fission products

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