Predictions of characteristics of prompt-fission γ-ray spectra from the n+U238 reaction up to En=20MeV

A. Oberstedt, R. Billnert, and S. Oberstedt
Phys. Rev. C 96, 034612 – Published 19 September 2017

Abstract

Systematics from 2001, describing prompt-fission γ-ray spectra (PFGS) characteristics as a function of mass and atomic number of the fissioning system, was revisited and parameters were revised, based on recent experimental results. Although originally expressed for spontaneous and thermal-neutron induced fission, validity for fast neutrons was assumed and applied to predict PFGS characteristics for the reaction n+U238 up to incident neutron energies of En=20MeV. The results from this work are in good agreement with corresponding results from both model calculations and experiments.

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  • Received 23 September 2016
  • Revised 4 September 2017

DOI:https://doi.org/10.1103/PhysRevC.96.034612

©2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

A. Oberstedt1, R. Billnert2,*, and S. Oberstedt2,†

  • 1Extreme Light Infrastructure–Nuclear Physics (ELI-NP)/Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH), R-077125 Bucharest-Magurele, Romania
  • 2European Commission, DG Joint Research Centre, Directorate G–Nuclear Safety and Security, Unit G.2 Standards for Nuclear Safety, Security and Safeguards, B-2440 Geel, Belgium

  • *Present address: Studsvik Nuclear Environmental AB, 611 82 Nyköping, Sweden.
  • stephan.oberstedt@ec.europa.eu

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Issue

Vol. 96, Iss. 3 — September 2017

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