International Codes and Model Intercomparison for Intermediate Energy Activation Yields [NSC/DOC(97)-1]

January 1997

Table of Contents

Abstract

Text of the report

  • Introduction
  • Summary of contributions and types of codes
  • Sources of experimental data
  • Methodology of the intercomparison
  • Calculation of cumulative cross sections
  • Graphical presentation of results
  • Quantification of agreement between experiment and theory
  • Results and discussion
  • Conclusions
  • Acknowledgments
  • References

Appendix I. Tables

  • Table 1 – Participation in the intercomparison by code name and physics employed.
  • Table 2 – List of participants.
  • Table 3 – Sources of experimental data used for the intercomparison.
  • Table 4 – Radioactive progenitors considered in the calculation of cumulative cross sections and nuclear decay data used for the calculation.
  • Table 5 – Coverage of target/product combinations by the different contributions.
  • Table 6 – Deviation factors of calculated from experimental cross sections for energies between 1 MeV and 50 MeV. For each reaction the average deviation factor <F> acc. to equ. 4 and the smallest and largest deviation factors (Fmin, Fmax acc. to equs. 5 and 6) are given.
  • Table 7 – Deviation factors of calculated from experimental cross sections for energies between 51 MeV and 200 MeV. For each reaction the average deviation factor <F> acc. to equ. 4 and the smallest and largest deviation factors (Fmin, Fmax acc. to equs. 5 and 6) are given.
  • Table 8 – Deviation factors of calculated from experimental cross sections for energies between 201 MeV and 5000 MeV. For each reaction the average deviation factor <F> acc. to equ. 4 and the smallest and largest deviation factors (Fmin, Fmax acc. to equs. 5 and 6) are given.
  • Table 9 – Mean deviation factors for each contribution averaged over all reactions and target elements for energy groups from 0 MeV-50 MeV, 51 MeV-200 MeV and 201 MeV to 5000 MeV.

Appendix II. Graphical presentation of the results of the intercomparison

  • Figure captions 1 to 341
  • Figure 1 – Global mean deviation factors for each contribution averaged over all reactions and target elements for energy groups from 0 MeV-50 MeV, 51 MeV-200 MeV and 201 MeV to 5000 MeV.
  • Figures 2-7 – Reaction cross sections for energies up to 200 MeV.
  • Figures 8-13 – Reaction cross sections for energies between 1 MeV and 5000 MeV.
  • Figures 14-21 – Results for the target element oxygen up to 200 MeV.
  • Figures 22-34 – Results for the target element aluminum up to 200 MeV.
  • Figures 35-59 – Results for the target element iron up to 200 MeV.
  • Figures 60-64 – Results for the target element cobalt up to 200 MeV.
  • Figures 65-92 – Results for the target element zirconium up to 200 MeV.
  • Figures 93-139 – Results for the target element gold up to 200 MeV.
  • Figures 140-147 – Results for the target element oxygen for energies between 1 MeV and 5000 MeV.
  • Figures 148-160 – Results for the target element aluminum for energies between 1 MeV and 5000 MeV.
  • Figures 161-193 – Results for the target element iron for energies between 1 MeV and 5000 MeV.
  • Figures 194-198 – Results for the target element cobalt for energies between 1 MeV and 5000 MeV.
  • Figures 199-253 – Results for the target element zirconium for energies between 1 MeV and 5000 MeV.
  • Figures 254-341 – Results for the target element gold for energies between 1 MeV and 5000 MeV.

Appendix III. Detailed description of codes used

Appendix IV. Specifications of the intercomparison exercise

Experimental data

For each reaction in the following files, there is a sequence of 30 dummy lines below the line describing the reaction. The data is tabulated in four ccolumns: energy, energy-error, cross-section, cross-section-error.