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Contributions to few-channel spectrum unfolding

Author
Perey, F. G.
Published
United States : [publisher not identified], 1978
Springfield, Va.: National Technical Information Service, [approximately 1978]
Physical Description
microfiche : negative ; 11 x 15 cm

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Summary
In this report are two papers dealing with the subject of spectrum unfolding. These papers are closely related and will appear in the proceedings of two different conferences. Although they deal with analysis of dosimetry data, the method presented in these two papers is very general and applicable to any few-channel unfolding problem. The propagation of uncertainties in the input data is analyzed for the usual dosimetry unfolding solution. A new formulation of the dosimetry unfolding problem is proposed in which the most likely value of the spectrum is obtained. The relationship of this solution to the usual one is discussed. Also, the method of least squares is briefly reviewed, and the conditions under which it may be used are stated. From this analysis, a least-squares approach to the solution of the dosimetry neutron spectrum unfolding problem is introduced. The mathematical solution to this least-squares problem is derived from the general solution. The existence of this solution is analyzed in some detail. (WHK)
Report Numbers
DE84008284; ORNL/TM-6267; ENDF-259
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: W-7405-ENG-26
OSTI Identifier 5338124
Research organization: Oak Ridge National Lab., TN (USA).
View MARC record | catkey: 47339871