Low-energy rotational and vibrational-rotational excitation cross sections for H_2 by electron impact

Abstract

Results are presented for rotational and vibrational-rotational excitation of H2 by electron impact in the static-exchange approximation. We use the T-matrix discrete basis set method introduced by Rescigno, McCurdy, and McKoy. Our approach for vibrational excitation involves solving the fixed-nuclei scattering problem at several internuclear separations. We compare our results with the experimental data of Linder and Schmidt and with other calculated results.

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