Phys.Rev. C 88, 054612 (2013); Erratum Phys.Rev. C 101, 039901 (2020)

O.Bouland, J.E.Lynn, P.Talou

R-matrix analysis and prediction of low-energy neutron-induced fission cross sections for a range of Pu isotopes

NUCLEAR REACTIONS ^{236,237,238,239,240,241,242,243,244}Pu(n, F), ^{236,240,241,243}Pu(n, γ), ^236,243Pu(n, n'), E=0.005-5 MeV; calculated σ(E). ^{237,238,239,240,241,242,243,244,245}Pu; calculated inner and outer fission barrier heights, neutron and proton pairing gaps. Hauser-Feshbach statistical theory, and fission decay channel in the R-matrix formalism. Comparison with several previous theoretical and empirical calculations and evaluated data libraries. ²⁴³Pu predicted to be fissile in contrast to data in ENDF/B-VII.1 and JEFF-3.1.2 evaluated libraries. Discussed level spacing distributions.

doi: 10.1103/PhysRevC.88.054612