EPJ Web of Conferences
Volume 93, 2015CGS15 – Capture Gamma-Ray Spectroscopy and Related Topics
|Number of page(s)||4|
|Published online||28 May 2015|
Gamma-ray Output Spectra from 239Pu Fission
Los Alamos National Laboratory
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Published online: 28 May 2015
Gamma-ray multiplicities, individual gamma-ray energy spectra, and total gamma energy spectra following neutron-induced fission of 239Pu were measured using the DANCE detector at Los Alamos. Corrections for detector response were made using a forward-modeling technique based on propagating sets of gamma rays generated from a paramaterized model through a GEANT model of the DANCE array and adjusting the parameters for best fit to the measured spectra. The results for the gamma-ray spectrum and multiplicity are in general agreement with previous results, but the measured total gamma-ray energy is about 10% higher. A dependence of the gamma-ray spectrum on the gamma-ray multplicity was also observed. Global model calculations of the multiplicity and gamma energy distributions are in good agreement with the data, but predict a slightly softer total-energy distribution.
© Owned by the authors, published by EDP Sciences, 2015
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