Evaluation of the irradiation-averaged fission yield for burnup determination in spent fuel assays Kevin Govers, Lesley Adriaensen, Andrew Dobney, Mireille Gysemans, Christelle Cachoir and Marc Verwerft EPJ Nuclear Sci. Technol., 8 (2022) 18 Published online: 13 September 2022 DOI: 10.1051/epjn/2022018