Neudecker, D. and Lewis, A.M. and Matthews, E.F. and Vanhoy, J. and Haight, R.C. and Smith, D.L. and Talou, P. and Croft, S. and Carlson, A.D. and Pierson, B. and Wallner, A. and Al-Adili, A. and Bernstein, L. and Capote, R. and Devlin, M. and Drosg, M. and Duke, D.L. and Finch, S. and Herman, M.W. and Kelly, K.J. and Koning, A. and Lovell, A.E. and Marini, P. and Montoya, K. and Nobre, G.P.A. and Paris, M. and Pritychenko, B. and Sjöstrand, H. and Snyder, L. and Sobes, V. and Solders, A. and Taieb, J. (2023) Templates of expected measurement uncertainties. EPJ Nuclear Sciences and Technologies, 9: 35.
Full text not available from this repository.Abstract
The covariance committee of CSEWG (Cross Section Evaluation Working Group) established templates of expected measurement uncertainties for neutron-induced total, (n,γ), neutron-induced charged-particle, and (n,xn) reaction cross sections as well as prompt fission neutron spectra, average prompt and total fission neutron multiplicities, and fission yields. Templates provide a list of what uncertainty sources are expected for each measurement type and observable, and suggest typical ranges of these uncertainties and correlations based on a survey of experimental data, associated literature, and feedback from experimenters. Information needed to faithfully include the experimental data in the nuclear-data evaluation process is also provided. These templates could assist (a) experimenters and EXFOR compilers in delivering more complete uncertainties and measurement information relevant for evaluations of new experimental data, and (b) evaluators in achieving a more comprehensive uncertainty quantification for evaluation purposes. This effort might ultimately lead to more realistic evaluated covariances for nuclear-data applications. In this topical issue, we cover the templates coming out of this CSEWG effort–typically, one observable per paper. This paper here prefaces this topical issue by introducing the concept and mathematical framework of templates, discussing potential use cases, and giving an example of how they can be applied (estimating missing experimental uncertainties of 235U(n,f) average prompt fission neutron multiplicities), and their impact on nuclear-data evaluations.