STP1228

    Evaluation of the 93Nb(n,n') 93mNb and 93Nb(n,2n) 92mNb Reactions Cross-Sections from Threshold to 20 MEV.

    Published: Jan 1994


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    Abstract

    The evaluation of the 93Nb(n,n') 93mNb and 93mNb(n,2n) 92mNb reactions cross-sections important for reactor dosimetry was carried out by means of Pade-approximation. The experimental data bases comprise the results of cross-sections measurements performed up to January 1993. The preliminary analysis of experimental cross-sections has been made. The evaluated cross-sections are presented in an analytical form convenient for the use in applications. The files of evaluated cross-sections (File 3) and covariances (Files 30 and 33) in the ENDF-VI format were prepared. The comparison of evaluations from this work and IRDF-90 was performed.

    Keywords:

    cross-section evaluation, neutron dosimetry, statistical analysis, non-linear regression model, rational function, correlations


    Author Information:

    Badikov, SA
    Senior scientific officer, Institute of Physics and Power Engineering, Obninsk,

    Zolotarev, KI
    Senior scientific officer, Institute of Physics and Power Engineering, Obninsk,


    Paper ID: STP15165S

    Committee/Subcommittee: E10.01

    DOI: 10.1520/STP15165S


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