Improving Evaluations of Neutron Induced Gamma Ray Production: Upgrading ENDF, Formatting and Reaction Models

Emanuel V. Chimanski, Bret R. Beck,Lee A. Bernstein,David Brown,Roberto Capote, Godfree Gert, Aaron M. Hurst, Caleb M. Mattoon,Elizabeth A. McCutchan, Christopher Morse,Gustavo Nobre, Shuya Ota,Andrej Trkov

2022 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)（2022）

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摘要

This paper describes part of the joint efforts of Brookhaven National Laboratory, Lawrence Livermore National Laboratory, and Lawrence Berkeley National Laboratory to revise the gamma production library in ENDF/B-VIII.0 modeling in transport codes under the Gamma Rays Induced by Neutrons (GRIN) project. Simulation modelling support and event-by-event calculations are addressed. The improvements enable a better modelling of particle-gamma and gamma-gamma coincidences and provide significant upgrades to the ENDF/B library, data format, and reaction models.

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关键词

Model Reaction,Gamma Rays,National Laboratory,Lawrence Berkeley National Laboratory,Berkeley National Laboratory,Brookhaven National Laboratory,Transport Code,Isotope,Energy Levels,Thermal Energy,Branching Ratio,Nuclear Data,Categories Of Users,Neutron Capture,Neutron Source,Secondary Electron Emission,Thermal Neutron,Primary Emissions,Capture Reaction,Gamma Emission,Capture Cross Section

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