EASY-2007: a new generation of activation modelling including neutron-, proton- and deuteron-induced reactions

EASY-2007: a new generation of activation modelling including neutron-, proton- and deuteron-induced reactions

EASY-2007: a new generation of activation modelling including neutron-, proton- and deuteron-induced reactions 150 150 UKAEA Opendata

EASY-2007: a new generation of activation modelling including neutron-, proton- and deuteron-induced reactions

The European Activation System (EASY) has been developed for activation calculations. It comprises the EAF nuclear data libraries and the FISPACT inventory code. A new version (EASY-2007) has been released recently that represents a significant extension of previous versions. It contains neutron-induced, deuteron-induced and protoninduced data that extend up to 60MeV. The motivation for the inclusion of charged particle induced reaction data is that such data are required for activation calculations on IFMIF, a materials testing facility. The number of reactions covered by EAF-2007 is about 200,000 which is a huge increase over EAF-2003 which contained neutron-induced data for about 12,500 reactions. Such large libraries require new methods of testing and the principles of Statistical analysis of cross sections (SACS) are outlined. This enables various quantities such as maximum cross section to be plotted as a function of asymmetry parameter for each reaction type. Such plots show well defined trends and inconsistent data for a particular reaction can readily be identified.

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01/01/2007