EPJ Web of Conferences (Jan 2020)

Late Prompt Fission Gamma Rays from 235U(n,f) and 252Cf(sf)

  • Rusev G.,
  • Bond E. M.,
  • Bredeweg T. A.,
  • Couture A.,
  • O’Donnell J. M.,
  • Jandel M.,
  • Lovell A.E.,
  • Mosby S.,
  • Prokop C. J.,
  • Stetcu I.,
  • Talou P.,
  • Ullmann J. L.

DOI
https://doi.org/10.1051/epjconf/202024201007
Journal volume & issue
Vol. 242
p. 01007

Abstract

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Two measurements of fission γ rays were performed with the DANCE and NEUANCE arrays using the reactions 235 U(n, f) and 252 Cf(sf). Utilizing the fast time response of the detectors and a method for estimating the accidental background, we obtained the energy spectrum of the late prompt fission γ rays as a function of the time since fission. The experimental results are compared with predictions of the code CGMF folded with GEANT4 simulations of the detector response.