THE REAC-ECN-3 DATA LIBRARY WITH ACTIVATION AND TRANSMUTATION CROSS-SECTIONS FOR USE IN FUSION REACTOR TECHNOLOGY
Netherlands Energy Research Foundation ECN
P.O. Box 1, 1755 ZG Petten, The Netherlands
This paper describes the work performed to revise and extend the REAC data file of Mann. The revisions were made by means of renormalizations of the cross-sections to experimental data at 14.5 MeV or to data from 14.5 MeV systematics. Uncertainty estimates are given for the systematics. Furthermore, a number of reactions has been added. The file essentially contains cross-sections for almost all stable and unstable nuclides with half-lifes exceeding 1 day. If a reaction can produce one or two isomers the cross-sections for producing the ground and isomeric states are given separately. In most cases these cross-sections were obtained by simple scaling using isomer ratios at 14.5 MeV, based upon experimental data or recently developed systematics. For about 50 reactions leading to long-lived states a special treatment was followed including a detailed uncertainty analysis. The revised file is called REAC-ECN-3. A version with multi-group cross-sections has also been generated (GREAC-ECN-3).
KEYWORDS: Neutron reactions, fast neutrons, cross-sections, evaluated and experimental data