EPJ Nuclear Sci. Technol.
Volume 9, 2023
Templates of Expected Measurement Uncertainties: a CSEWG Effort
|Number of page(s)||12|
|Published online||09 November 2023|
Templates of expected measurement uncertainties for prompt fission neutron spectra
Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
2 CEA, DAM, DIF, F-91297 Arpajon, France
3 Univ. Bordeaux, LP2I, UMR5797, CNRS, F-33170 Gradignan, France
4 National Institute of Standards and Technology, Gaithersburg, MD, 20899-8463, USA
5 Université Paris-Saclay, CEA, LMCE, 91680 Bruyères-le-Châtel, France
* e-mail: email@example.com
Received in final form: 18 July 2023
Accepted: 7 August 2023
Published online: 9 November 2023
In this paper, we provide templates of uncertainty sources expected to appear for three measurement types of prompt fission neutron spectra (PFNS): (1) shape measurements, (2) clean-ratio shape, that is the monitor PFNS are measured in nearly exactly the same surrounding as the PFNS of interest, and (3) indirect ratios, where the detector efficiency is backed out from PFNS monitor measurements. Information is also listed that is needed to faithfully include PFNS in nuclear data evaluations to guide experimenters on how to best report data and metadata for their measurements. These templates also suggest a typical range of pertinent uncertainty values and their correlations in case realistic uncertainties cannot be estimated from information on the measurement itself. The templates were based on a literature review, information found in EXFOR for 252Cf, 235, 238U, and 239Pu PFNS, and enhanced by expertise from experimenters contributing to these PFNS templates.
© D. Neudecker et al., Published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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