Templates of expected measurement uncertainties for prompt fission neutron spectra

IF 0.9 Q3 NUCLEAR SCIENCE & TECHNOLOGY
Denise Neudecker, Matthew J. Devlin, R.C. Haight, K.J. Kelly, Paola Marini, A.D. Carlson, Julien Taieb, M.C. White
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引用次数: 2

Abstract

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 252 Cf, 235, 238 U, and 239 Pu PFNS, and enhanced by expertise from experimenters contributing to these PFNS templates.
裂变中子谱的预期测量不确定度模板
在本文中,我们提供了三种提示裂变中子能谱(PFNS)测量类型的不确定度源模板:(1)形状测量,(2)清洁比形状,即监测器PFNS在与感兴趣的PFNS几乎完全相同的环境中测量,以及(3)间接比,其中探测器效率从PFNS监测器测量中提取出来。还列出了在核数据评估中忠实地包括PFNS所需的信息,以指导实验人员如何最好地报告其测量数据和元数据。如果不能从测量本身的信息估计实际的不确定度,这些模板还建议了相关不确定度值的典型范围及其相关性。模板基于文献综述,EXFOR中发现的252cf、235u、238u和233pu PFNS的信息,并由参与这些PFNS模板的实验人员的专业知识进行了增强。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
EPJ Nuclear Sciences & Technologies
EPJ Nuclear Sciences & Technologies NUCLEAR SCIENCE & TECHNOLOGY-
CiteScore
1.00
自引率
20.00%
发文量
18
审稿时长
10 weeks
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