Research on the Covariance Matrix of the Evaluated Data

计算物理 ›› 1993, Vol. 10 ›› Issue (3): 364-368.

Research on the Covariance Matrix of the Evaluated Data

王资生, 蔡敦九

China Institute of Atomic Energy P. O. Box 275(41), Beijing 102413, P. R. China

收稿日期:1991-12-24 修回日期:1993-02-15 出版日期:1993-09-25 发布日期:1993-09-25

Research on the Covariance Matrix of the Evaluated Data

Wang Zisheng, Cai Dunjiu

China Institute of Atomic Energy P. O. Box 275(41), Beijing 102413. P. R. China

Received:1991-12-24 Revised:1993-02-15 Online:1993-09-25 Published:1993-09-25

摘要/Abstract

摘要： By comparing the weighted mean values for experimental data with the recommended ones in a variety of small energy interval for the sets of reaction cross sections, a system of linear equations is proposed for determining the adjusted factors generated by corrections for the experimental data, which may be used to solve the covariance problems on the evaluated data with all physical corrections. The covariance matrices of some dosimetry reaction cross sections are calculated by this method.

关键词: evaluated data, recommended values, covariance matrix, adjusted factors

Abstract: By comparing the weighted mean values for experimental data with the recommended ones in a variety of small energy interval for the sets of reaction cross sections, a system of linear equations is proposed for determining the adjusted factors generated by corrections for the experimental data, which may be used to solve the covariance problems on the evaluated data with all physical corrections. The covariance matrices of some dosimetry reaction cross sections are calculated by this method.

Key words: evaluated data, recommended values, covariance matrix, adjusted factors

王资生, 蔡敦九. Research on the Covariance Matrix of the Evaluated Data[J]. 计算物理, 1993, 10(3): 364-368.

Wang Zisheng, Cai Dunjiu. Research on the Covariance Matrix of the Evaluated Data[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 1993, 10(3): 364-368.

Research on the Covariance Matrix of the Evaluated Data

Research on the Covariance Matrix of the Evaluated Data

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