Published 1998 | Version v1
Report Restricted

Impact of MCNP unresolved resonance probability-table treatment on uranium and plutonium benchmarks

Creators

Description

Versions of MCNP up through and including 4B have not accurately modeled neutron self-shielding effects in the unresolved resonance energy region. Recently, a probability-table treatment has been incorporated into a developmental version of MCNP. This paper presents MCNP results for a variety of uranium and plutonium critical benchmarks, calculated with and without the probability-table treatment

Availability note (English)

Available from INIS in electronic form; ALSO AVAILABLE FROM OSTI AS DE99001847; NTIS; US GOVT. PRINTING OFFICE DEP.

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Additional details

Publishing Information

Imprint Pagination
6 p.
Report number
LA-UR--98-2943

Conference

Title
American Nuclear Society winter meeting
Dates
15-19 Nov 1998
Place
Washington, DC (United States)

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
30036901
Subject category
S73: NUCLEAR PHYSICS AND RADIATION PHYSICS; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Conference
Descriptors DEI
BENCHMARKS; GODIVA REACTOR; JEZEBEL REACTOR; M CODES; NEUTRON REACTIONS; NEUTRON TRANSPORT; PLUTONIUM; PROBABILITY; REACTIVITY; RESONANCE; SELF-SHIELDING; URANIUM
Descriptors DEC
ACTINIDES; BARYON REACTIONS; COMPUTER CODES; ELEMENTS; EXPERIMENTAL REACTORS; HADRON REACTIONS; METALS; NEUTRAL-PARTICLE TRANSPORT; NUCLEAR REACTIONS; NUCLEON REACTIONS; RADIATION TRANSPORT; REACTORS; RESEARCH AND TEST REACTORS; TRANSURANIUM ELEMENTS; ZERO POWER REACTORS

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-981106--