The electron affinity of tungsten A. O. Lindahl, P. Andersson, C. Diehl, O. Forstner, P. Klason and D. Hanstorp Eur. Phys. J. D, 60 2 (2010) 219-222 Published online: 27 July 2010 DOI: 10.1140/epjd/e2010-00199-y