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Report No.

Development of R-matrix code and neutron cross sections for O-16 with covariance

Kunieda, Satoshi; Shibata, Keiichi; Fukahori, Tokio; Kawano, Toshihiko*; Paris, M.*; Hale, G. M.*

Light nuclei are used as the moderator, coolant and reflector in the reactors. Also, they are main constituents of human body. Therefore it is important to evaluate neutron cross sections and their covariances for those nuclei for reactor engineering and radiotherapy. In this study, we developed a multichannel R-Matrix code to estimate the cross sections and covariances in the resonance region. The code also has functions for parameter search and covariance estimation from experimental cross sections. In the presentation, we will show main features of our R-matrix code and example results for O-16.



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