Resonance energies Eλ, neutron widths Tn,λ, and radiation widths Tγ ,λ for the compound system 175Lu + n were determined up to 1 keV from time-of-flight data reported in literature and recently measured at the GELINA facility of JRC-Geel (Belgium). The statistical analysis of the obtained resonance parameters provides an swave neutron strength function [S0 = 1.96(8)], mean level spacing [D0 = 3.24(9) eV], and average radiation width ( = 61.3(59) meV) which are substantially different from those compiled in libraries dedicated to statistical calculations. The largest difference lies on the average radiation width, for which a value of 77(5) meV is recommended. 175Lu neutron cross sections were calculated with the TALYS code by using our s-wave average parameters as constraints. At kT = 30 keV, we obtain a total neutron capture cross section equal to 1125(62) mbarns, confirming the lower values reported in the 1990s.
NOGUERE G.;
BOULAND O.;
HEYSE Jan;
KOPECKY Stefan;
PARADELA DOBARRO Carlos;
SCHILLEBEECKX Peter;
EBRAN A;
ROIG O;
2020-09-01
AMER PHYSICAL SOC
JRC120884
2469-9985 (online),
https://publications.jrc.ec.europa.eu/repository/handle/JRC120884,
10.1103/PhysRevC.100.065806 (online),
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