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Title: Photon/Electron Benchmarks for Intercode Comparisons

The goal of this work was to improve accuracy and efficiency of two Monte-Carlo transport codes (MCNP and DIANE) with an emphasis on γ+electron physics. The approach involved intercode comparisons + measurements for gamma/e- energy deposition in a cylinder with a photon source and different materials (C, Pb) and the bombardment of 15-MeV electrons on thick targets (Al, Be, Pb). Comparisons of the codes DIANE and MCNP6 showed good agreement (differences < 3%) for gamma-electron energy deposition in a 2D cylinder, except for the first 0.1 μm of lead (difference < 10%). Comparisons with measurements showed generally good agreement, often better than 10%; best-performing codes/options are problem-dependent; and single-event discrepancies are in active use in reviewing electron elastic scattering.
Authors:
 [1] ;  [1] ;  [2] ;  [2] ;  [2] ;  [2]
  1. Los Alamos National Laboratory
  2. CEA/DIF (France)
Publication Date:
OSTI Identifier:
1196178
Report Number(s):
LA-UR-15-23770
DOE Contract Number:
AC52-06NA25396
Resource Type:
Conference
Resource Relation:
Conference: 2015 Working Meeting for the NNSA/DP CEA/DP Agreement on Cooperation on Fundamental Science Supporting Stockpile Stewardship ; 2015-05-27 - 2015-05-29 ; Bruyères le Chatel, France, Melbourne (Australia), 19-25 Apr 2015
Research Org:
Los Alamos National Laboratory (LANL)
Sponsoring Org:
DOE/LANL
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 97 MATHEMATICS AND COMPUTING Monte Carlo, electron-photon transport, MCNP