Multi-charged ion 10 Hydrogen 6 Impulse approximation 6 Monte Carlo methods 6 Atomic hydrogen 4 Atoms 4 Charge transfer 4 Classical trajectory monte carlo 4 Cross section 4 Eikonal 4 Electron capture 4 Hydrogen targets 4 Ion bombardment 4 State selective 4 Angular distribution 2 CTMC method 2 Capture cross sections 2 Charge exchanges 2 Charge-exchange cross sections 2 Classical trajectory monte carlo methods 2 Collision systems 2 Density matrix elements 2 Differential cross section 2 Electron excitations 2 Electron-capture cross sections 2 Electron-capture process 2 Electronic energies 2 Emission angle 2 Energy spectra 2 Hydrogen ionization 2