An estimate of direct Coulomb K-shell vacancy production in heavy ion-atom collisions Back to all publications Publication date 1 January 1976 Reference C. Foster, T.P. Hoogkamer, P.H. Woerlee and F.W. Saris, An estimate of direct Coulomb K-shell vacancy production in heavy ion-atom collisions, J. Phys. B: At., Mol. Opt. Phys. 9, 1943-1951 (1976)