K. Willmann

Ionization of Helium: Angular Correlation of the Scattered and Ejected Electrons

H. Ehrhardt, Michael Schulz, T. Tekaat et al. · Physical Review Letters · 1969 · 304 citations

50-Ev Electrons, Engineering, Physics +13

Collisional ionization of helium by slow electrons

H. Ehrhardt, K. H. Hesselbacher, K. Jung et al. · Journal of Physics B Atomic and Molecular Physics · 1972 · 64 citations

Engineering, Physics, Electron Spectroscopy +11

Collisional ionization of helium by 250 eV electrons: experiments with completely determined kinetics

H. Ehrhardt, K. H. Hesselbacher, K. Jung et al. · Journal of Physics B Atomic and Molecular Physics · 1972 · 61 citations

Engineering, Physics, Electron Spectroscopy +12

Investigation of Gold Fluorides and Noble Gas Complexes by Matrix‐Isolation Spectroscopy and Quantum‐Chemical Calculations

Xuefeng Wang, Lester Andrews, K. Willmann et al. · Angewandte Chemie International Edition · 2012 · 59 citations

Engineering, Argon Matrices, Computational Chemistry +21

Electron impact ionization of argon: measurements of triple differential cross sections

H. Ehrhardt, K. H. Hesselbacher, K. Jung et al. · Journal of Physics B Atomic and Molecular Physics · 1974 · 55 citations

Electron Impact Ionization, Engineering, Physics +13