Capabilities of the Recent Absolute Total \textit{np} and \textit{pp} Cross Section Determinations to Predict Experimental Observables

ORAL

Abstract

The absolute total cross sections for \textit{np} and \textit{pp} scattering below 1000 MeV are determined based on partial-wave analyses (PWAs) of nucleon-nucleon scattering data. These cross sections are compared with most recent ENDF/B and JENDL data files, and the Nijmegen PWA. Systematic deviations from the ENDF/B and JENDL evaluations are found to exist in the low-energy region. Comparison of the \textit{np} evaluation with the result of most recent \textit{np} total cross section measurement made at LANL in the energy range from 9 to 500 MeV will be discussed. This measurement was not used in the evaluation database. A comparison was done to check a quality of evaluation and its prediction capabilities. Excellent agreement was found between the new experimental data and our PWA prediction.

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Authors

  • A. Laptev

    • LANL
    • Los Alamos National Laboratory

  • R. Haight

    • LANL
    • Los Alamos National Laboratory

  • R.A. Arndt

    • The George Washington University

  • W.J. Briscoe

    • The George Washington University

  • M.W. Paris

    • The George Washington University

  • I.I. Strakovsky

    • The George Washington University

  • R.L. Workman

    • The George Washington University