Title: New work on updating and extending the Nuclear Data Standards
Authors: CARLSON A. D.PRONYAEV V. GCAPOTE R.HAMBSCH Franz-JosefKAEPPELER F.LEDERER C.MANNHART W.MENGONI A.NELSON R.SCHILLEBEECKX PeterTALOU P.TAGESEN S.VONACH H.VOROBYEV A.WALLNER A.
Citation: JOURNAL OF ASTM INTERNATIONAL vol. 9 no. 4 p. 141-160
Publisher: AMERICAN SOCIETY FOR TESTING AND MATERIALS
Publication Year: 2012
JRC N°: JRC65249
URI: http://www.astm.org/DIGITAL_LIBRARY/JOURNALS/JAI/PAGES/JAI104095.htm
http://publications.jrc.ec.europa.eu/repository/handle/JRC65249
DOI: 10.1520/JAI104095
Type: Articles in periodicals and books
Abstract: An IAEA Data Development Project was initiated to provide a mechanism for allowing new experimental data and improvements in evaluation procedure to be incorporated into new evaluations of the standards. The work on this project is ongoing. In the past very long periods sometimes occurred between evaluations of the standards. Through the use of this Project, such long periods should not occur. Work on the cross section standards through this Project has included an update of the experimental data to be used in the cross section standards evaluations, a study of the uncertainties obtained in the international standards evaluation; and improvements in the smoothing procedure for capture cross sections. It was decided that this Project should have a broader range of activities than just the cross section standards and thus encompass standards related activities. The following are being investigated: improvements in the gold cross section at energies below where it is considered a standard; work on certain cross sections which are not as well known as the cross section standards but could be very useful as reference cross sections relative to which certain types of cross section measurements can be made. This work includes prompt gamma-ray production in fast neutron-induced reactions; and work on the 252Cf spontaneous fission neutron spectrum and the 235U thermal neutron fission spectrum. Most of the data investigated through this Project are used in dosimetry applications.
JRC Directorate:Health, Consumers and Reference Materials

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