Published 1998 | Version v1
Report Restricted

Lump correction and identification in the combined thermal/epithermal neutron (CTEN) method

Creators

Description

The authors present a model for self shielding in lumps of fissile material in active-neutron assays. The model combines the formula for self-attenuation of gamma-ray in lumpy sources with the multi-group analysis techniques used in neutron transport calculations. Models for thin foils and for spheres are examined in terms of error multiplication in determining lump corrections and the basic accuracy of the model

Availability note (English)

Available from INIS in electronic form; ALSO AVAILABLE FROM OSTI AS DE99002307; NTIS; INIS; US GOVT. PRINTING OFFICE DEP.

Files

Restricted

The record is publicly accessible, but files are restricted to users with access.

Additional details

Publishing Information

Imprint Pagination
13 p.
Report number
LA-UR--98-3251

Conference

Title
39. Institute of Nuclear Materials Management (INMM) annual meeting
Dates
26-30 Jul 1998
Place
Naples, FL (United States)

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
30040265
Subject category
S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ALGORITHMS; ATTENUATION; CORRECTIONS; EPITHERMAL NEUTRONS; GAMMA RADIATION; HIGHLY ENRICHED URANIUM; MATHEMATICAL MODELS; MULTIGROUP THEORY; NONDESTRUCTIVE ANALYSIS; RADIOACTIVE WASTES; SELF-SHIELDING; THERMAL NEUTRONS
Descriptors DEC
ACTINIDES; BARYONS; CHEMICAL ANALYSIS; ELECTROMAGNETIC RADIATION; ELEMENTARY PARTICLES; ELEMENTS; ENRICHED URANIUM; FERMIONS; HADRONS; IONIZING RADIATIONS; ISOTOPE ENRICHED MATERIALS; MATERIALS; MATHEMATICAL LOGIC; METALS; NEUTRONS; NUCLEONS; RADIATIONS; RADIOACTIVE MATERIALS; TRANSPORT THEORY; URANIUM; WASTES

Optional Information

Contract/Grant/Project number
Contract W-7405-ENG-36
Funding organization
USDOE Office of Environmental Restoration and Waste Management, Washington, DC (United States)
Secondary number(s)
CONF-980733--