The electron affinity of tungstenA. O. Lindahl, P. Andersson, C. Diehl, O. Forstner, P. Klason and D. HanstorpEur. Phys. J. D, 60 2 (2010) 219-222DOI: https://doi.org/10.1140/epjd/e2010-00199-y