Evaluation of the Prompt Fission Gamma Properties for Neutron Induced Fission of 235,238U and 239Pu

Stetcu, Ionel; Chadwick, Mark Benjamin; Kawano, Toshihiko; Talou, Patrick; Capote, Roberto; Trkov, Andrej

doi:10.1016/j.nds.2019.12.007

Title: Evaluation of the Prompt Fission Gamma Properties for Neutron Induced Fission of ^235,238U and ²³⁹Pu

Journal Article · 27 January 2020 · Nuclear Data Sheets

DOI: https://doi.org/10.1016/j.nds.2019.12.007 · OSTI ID:1601393

^[1]; Chadwick, Mark Benjamin ^[1];

^[1];

^[1]; Capote, Roberto ^[2]; Trkov, Andrej ^[2]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
International Atomic Energy Agency, Vienna (Austria)

Herein we present details of the prompt fission gamma property evaluations included in the released ENDF/B-VIII.0 files. The average prompt gamma multiplicity, the average prompt gamma spectrum, the average total prompt gamma energy released and the prompt gamma multiplicity distributions, included in the ENDF/B-VIII.0 files, are presented for ²³⁵U(n,f), ²³⁸U(n,f), and²³⁹Pu(n,f) reactions, as a function of incident neutron energy up to 30 MeV. The evaluation is based on available experimental data and model calculations. Notable data include recent measurements by experimental groups at Los Alamos and Lawrence Livermore National Laboratories, at Geel and Budapest, at CEA labs, as well as seminal historical gamma production measurements by Drake at Los Alamos.

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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: 89233218CNA000001

OSTI ID:: 1601393

Report Number(s):: LA-UR--19-20146

Journal Information:: Nuclear Data Sheets, Journal Name: Nuclear Data Sheets Journal Issue: C Vol. 163; ISSN 0090-3752

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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