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Title: NON-DESTRUCTIVE ANALYSIS OF SHIELDED HIGHLY ENRICHED URANIUM

Arms control and special nuclear material reduction requirements will eventually encompass shielded highly enriched uranium (HEU) systems. Non-destructive analysis (NDA) techniques for plutonium such as neutron multiplicity measurements and analysis are well developed and provide information regarding the properties of plutonium systems. In a previous study [1] we developed a NDA method for determining the mass and neutron multiplication of subcritical bare metal systems of HEU. In this work we present results for a HEU sphere enclosed within various shielding materials of low density, (carbon and beryllium), medium density (iron) and high density (lead).
Authors:
; ;
Publication Date:
OSTI Identifier:
777148
Report Number(s):
LA-UR-01-1881
TRN: US0102840
DOE Contract Number:
W-7405-ENG-36
Resource Type:
Conference
Resource Relation:
Conference: Conference title not supplied, Conference location not supplied, Conference dates not supplied; Other Information: PBD: 1 Apr 2001
Research Org:
Los Alamos National Lab., NM (US)
Sponsoring Org:
US Department of Energy (US)
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION; ARMS CONTROL; BERYLLIUM; CARBON; HIGHLY ENRICHED URANIUM; IRON; MULTIPLICITY; NEUTRONS; PLUTONIUM; SHIELDING MATERIALS; LEAD; NONDESTRUCTIVE ANALYSIS; NUCLEAR MATERIALS MANAGEMENT