Intermediate-velocity atomic collisions: Electron capture and loss in 10–42-MeV C ions

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The capture and loss of electrons for incident bare, one-, two-, and three-electron 10--42-MeV carbon ions are studied. The one-electron-loss cross sections are compared with Glauber-approximation 1s ionization calculations, and a way of incorporating target-atom screening into the Glauber theory is proposed. The electron-capture cross sections agree reasonably well with eikonal-approximation results. The equilibrium charge states of the highest-energy C ions emerging from solid targets can be calculated accurately from gas-target equilibrium charge states using a theory incorporating excited-state effects.