Abstract
ANITA-NC (Analysis of Neutron Induced Transmutation and Activation – Neutral and Charged) is an inventory system (code and libraries) developed in ENEA-Bologna, capable of modelling material activation induced by neutral or charged projectiles (i.e. neutrons, protons, deuterons, alphas or gammas). It is an extension of the previous ANITA versions. ANITA-NC requires group-wise activation cross-section libraries in EAF format. It actually uses the most recent libraries in this format, that is the EAF-2010 libraries in the VITAMIN-J+ (211) energy group structure, up to 55 MeV. For neutrons, a new library in a 271 energy group structure up to 200 MeV, based on TENDL-2017, was produced. The decay data used in ANITA-NC are based on the JEFF-3.1.1 Radioactive Decay Data Library. This paper summarizes the main characteristics of the ANITA-NC activation system. Some application cases and an example of data and code validation on experimental results are shown.
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