Absolute Total np and pp Cross Section Determinations
R.A. Arndt, W.J. Briscoe (GWU), A.B. Laptev (Tulane U), I.I., Strakovsky, R.L. Workman (GWU)
TL;DR
This paper determines absolute total cross sections for neutron-proton and proton-proton scattering below 1000 MeV using partial-wave analyses, compares them with existing data files, and identifies systematic deviations at low energies.
Contribution
It provides new, precise total cross section measurements and highlights discrepancies with established nuclear data libraries at low energies.
Findings
Systematic deviations from ENDF/B and JENDL data in low-energy region
Provides updated total cross sections based on partial-wave analysis
Highlights need for data reevaluation in nuclear databases
Abstract
Absolute total cross sections for np and pp scattering below 1000 MeV are determined based on partial-wave analyses of NN scattering data. These cross sections are compared with most recent ENDF/B and JENDL data files, and the Nijmegen partial-wave analysis. Systematic deviations from the ENDF/B and JENDL evaluations are found to exist in the low-energy region.
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Taxonomy
TopicsParticle accelerators and beam dynamics · Nuclear Physics and Applications · Superconducting Materials and Applications