Title: The Total Cross Section and Resonance Parameters for the 0.178 eV Resonance of 113Cd
Authors: KOPECKY StefanIVANOV IvayloMOXON MichaelSCHILLEBEECKX PeterSIEGLER PeterSIRAKOV Ivan
Citation: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS vol. 267 no. 14 p. 2345-2350
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2009
JRC Publication N°: JRC52043
ISSN: 0168-583X
URI: http://www.sciencedirect.com
http://publications.jrc.ec.europa.eu/repository/handle/JRC52043
DOI: 10.1016/j.nimb.2009.04.010
Type: Articles in Journals
Abstract: It has been suggested that the capture and scattering cross sections of natural cadmium are not well described by the resonance parameters that are given in the evaluated data files. In particular, doubts on the parameters of the first resonance of 113Cd at 0.178 eV have been raised. This resonance is of high importance in the interpretation in many integral experiments, such as neutron activation analysis, in which cadmium foils are used to shield from thermal neutrons. A new set of experiments has been designed and performed at the neutron time-of-flight facility GELINA, to determine the total cross section and to extract a set of resonance parameters. The covariance information of the experimental data is propagated and the correlation between the resonance parameters is derived. The obtained parameters are then compared to the data available in the literature. Finally a set of criticality experiments from the international handbook of evaluated critical safety benchmark experiments is used to quantify the influence of the change in the resonance parameters.
JRC Institute:Institute for Reference Materials and Measurements

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