W Wölfli, C Stoller, G Bonani, M Suter, M Stöckli - Physical Review Letters, 1975 - APS
Heavy-ion-atom collisions at medium energies (∼ 0.8 MeV/amu) yield a considerable
probability for multiple inner-shell ionization. In the Ni-Ni, Ni-Fe, Fe-Ni, and Fe-Fe cases …