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Extension of the Evaluated Gamma-ray Activation File (EGAF) to Include Data for Neutron Activation Analysis Richard B. Firestone Lawrence Berkeley National Laboratory, Berkeley CA 94720 USA First Co-ordination Meeting on Reference Database for Neutron Activation Analysis October 3-5, 2005

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  1. Extension of the Evaluated Gamma-ray Activation File (EGAF) to Include Data for Neutron Activation Analysis Richard B. Firestone Lawrence Berkeley National Laboratory, Berkeley CA 94720 USA First Co-ordination Meeting on Reference Database for Neutron Activation Analysis October 3-5, 2005 IAEA, Vienna Austria Summary: The Evaluated Gamma-ray Activation File (EGAF) was evaluated at LBNL as part of the IAEA CRP to create a database of prompt gamma rays from slow neutron capture for elemental analysis. This database includes recent measurements of prompt and delayed gamma-ray cross sections from the Budapest Reactor that were evaluated together with data from the literature to generate adopted datasets. Data from the Neutron Activation Analysis (NAA) database will be added to the EGAF file. These data will be validated against comparable decay datasets from the Evaluated Nuclear Structure Data File (ENSDF), data already in EGAF, data from the Decay Data Evaluation Project (DDEP) and additional data from the literature. Recommended total thermal neutron radiative and partial gamma ray cross sections for all NAA products, and evaluated k0 values for NAA applications will be added to EGAF. These data will be provided in both tabular and ENSDF formats, and the data will be available on the Internet through Active Server pages 

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