Systematics of prompt fission γ-ray spectra characteristics
Paper i proceeding, 2014

Systematics from 2001, describing prompt fission γ-ray spectra (PFGS) characteristics as function of mass and atomic number of the fissioning system, has been revisited and parameters have been 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 + 238U up to incident neutron energies of En = 20 MeV. The results from this work are compared with preliminary experimental results.

Prompt fission neutron emission

Prompt γ-ray multiplicity

Prompt fission γ-ray emission

Average γ-ray energy per photon


Energy dependence


Total γ-ray energy

Pre-fission neutrons



Andreas Oberstedt

Chalmers, Fundamental fysik

R. Billnert

Chalmers, Fundamental fysik

Gemensamma forskningscentrumet (JRC), Europeiska kommissionen

S. Oberstedt

Gemensamma forskningscentrumet (JRC), Europeiska kommissionen

Physics Procedia

18753884 (ISSN) 18753892 (eISSN)

Vol. 59 C 24-30

GAMMA-2 Scientific Workshop on the Emission of Prompt Gamma-Rays in Fission and Related Topics, 2014
Novi Sad, Serbia,


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