Cross-section adjustment: sensitivity to uncertainties

J.J. Wagschal, R.E. Maerker, B.L. Broadhead

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


It is well known that the correct procedure of cross-section adjustment calls for detailed analyses of all possible uncertainty sources. A detailed uncertainty analysis involves not only standard deviations, but also the correlations between data. Although conceptually correct, and thus yielding credible results, one should always keep in mind what approximation can be made without an appreciable loss of credibility. The sensitivity of the adjustment procedure to various degrees of sophistication in the input uncertainty representation is tested on five integral experiments measuring average 235U, 238U, and 239Pu fission cross sections in two geometrically simple standard neutron fields.
Original languageEnglish
Title of host publicationTrans. Am. Nucl. Soc. (USA)
Place of PublicationUSA
Pages698 - 700
StatePublished - 1979

Bibliographical note

uncertainty sources;standard deviations;cross section adjustments;neutron flux;


  • fission reactor core control and monitoring
  • neutron flux


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