Electron Loss in Low-EnergyH+-H(high n)Merged-Beam Collisions

Abstract
We have measured the electron-loss cross section for collisions between protons and highly excited hydrogen atoms having principal quantum numbers in the nominal n band 44n50. The c.m. collision energy range was 0.4 eV<~W<~61 eV. Theoretical ionization-cross-section results are compared with the data and are then used to unfold from the data the approximate electron-transfer cross section. Classical scaling calculations are found to be in reasonable agreement with the unfolded data while quantal predictions are not.

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