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Neutron Total Cross Sections and Resonance Parameters of Palladium

Taofeng Wang, Guinyun Kim, Young Do Oh, Moo-Hyun Cho, In Soo Ko, Won Namkung

Nuclear Science and Engineering / Volume 183 / Number 2 / June 2016 / Pages 286-297

Technical Paper /

First Online Publication:May 20, 2016
Updated:June 6, 2016

Measurements of neutron total cross sections of palladium in the energy region from 0.2 to 120 eV have been performed by using the time-of-flight method at the Pohang Neutron Facility. A group of high-purity natural palladium metallic plates with thicknesses of 0.5 and 1.0 mm is used for the neutron transmission measurement. Resonance parameters of 104Pd, 105Pd, 106Pd, 108Pd, and 110Pd in the neutron energy range below 120 eV were extracted from the transmission ratios by using the multilevel R-matrix SAMMY code. The present results are compared with the evaluated data from ENDF/B-VII.1 and previous experimental data. The statistical analysis for nearest-neighbor level spacings in 105Pd has been carried out to compare with the Wigner distribution.