Title: Target Requirements for Neutron-Induced Cross-Section Measurements in the Resonance Region
Authors: SCHILLEBEECKX PeterBORELLA AlessandroDROHE Jean ClaudeEYKENS RogerKOPECKY StefanMASSIMI C.MIHAILESCU LiviuMOENS AndreMOXON MichaelWYNANTS Ruud
Citation: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SP vol. 613 no. 3 p. 378-385
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2010
JRC Publication N°: JRC48074
ISSN: 0168-9002
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC48074
DOI: 10.1016/j.nima.2009.09.080
Type: Contributions to Conferences
Abstract: The influence of the target characteristics on the result of neutron induced cross section measurements is discussed. The basic principles of total and reaction cross section experiments are described. The discussion shows that each application requires targets with specific characteristics, such as the total number of nuclei per unit area, effective area and homogeneity, which have a strong impact on the total uncertainty of the quantities deduced from the measured data. Based on the measurement principles and on practical experience, recommendations for specific cross section measurements are presented. These recommendations refer to both the target properties and to the methods used for target characterization. In addition, a characterization method based on the use of neutron resonances is presented. This method can be used to determine the presence and quantity of contaminants and impurities which have a strong impact on the results of cross section measurements.
JRC Institute:Institute for Reference Materials and Measurements

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