Electron Capture into High Excited States inp+HCollisions

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Abstract
Differential and integrated cross sections for proton—hydrogen-atom charge-exchange collisions are calculated for capture into highly excited states using a method which takes the nonorthogonality of initial and final states into account. The differential cross sections show dramatic features that persist from charge exchange into the lower quantum states. The integrated-cross-section results agree well with experiments over the range of validity of the method (incident proton energies above 20 keV) and are a considerable improvement over previous calculations, which are an order of magnitude larger than experiment. The postulated scaling rules of Jackson and Schiff and of Omidvar are compared with the calculations, and the former is in better agreement.