Treatment of Data Uncertainties

Treatment of Data Uncertainties

The generation and use of data covariance matrices are discussed within the context of the analysis of neutron-induced cross-section data via the R-matrix code SAMMY. Two complementary approaches are described, the first involving mathematical manipulation of Bayes' equations and the second uti...

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1. Verfasser: Larson, N M
Format: Tagungsbericht
Sprache:eng
Schlagworte:
ALGEBRA
COMPUTERIZED SIMULATION
CROSS SECTIONS
DATA COVARIANCES
NEUTRON REACTIONS
NEUTRONS
NUCLEAR DATA COLLECTIONS
NUCLEAR PHYSICS AND RADIATION PHYSICS
R MATRIX
S CODES
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creator Larson, N M
description The generation and use of data covariance matrices are discussed within the context of the analysis of neutron-induced cross-section data via the R-matrix code SAMMY. Two complementary approaches are described, the first involving mathematical manipulation of Bayes' equations and the second utilizing computer simulations. A new procedure for propagating uncertainties on unvaried parameters will allow the effect of all relevant experimental uncertainties to be reflected in the analysis results, without placing excessive additional burden on the analyst. Implementation of this procedure within SAMMY is described and illustrated through the simulations.
doi_str_mv 10.1063/1.1945026
format Conference Proceeding
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identifier ISSN: 0094-243X
ispartof AIP conference proceedings, 2005, Vol.769 (1), p.374-377
issn 0094-243X
1551-7616
language eng
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source AIP Journals Complete
subjects ALGEBRA
COMPUTERIZED SIMULATION
CROSS SECTIONS
DATA COVARIANCES
NEUTRON REACTIONS
NEUTRONS
NUCLEAR DATA COLLECTIONS
NUCLEAR PHYSICS AND RADIATION PHYSICS
R MATRIX
S CODES
title Treatment of Data Uncertainties
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