Gamma-ray Output Spectra from 239Pu Fission

被引：0
|
作者：
Ullmann, John [1 ]
机构：
[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
CGS15 - CAPTURE GAMMA-RAY SPECTROSCOPY AND RELATED TOPICS | 2015年 / 93卷
关键词：
DANCE;
D O I：
10.1051/epjconf/20159302016
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Gamma-ray multiplicities, individual gamma-ray energy spectra, and total gamma energy spectra following neutron-induced fission of Pu-239 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.
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页数：4
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