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Oscillator strengths of dipole transitions from the ground state of molecular hydrogen are chosen so as to satisfy seven sum rules. The oscillator strengths are then used to calculate the refractive index in the ultra-violet, the Rayleigh scattering cross section, the average energy loss for fast particles and the long range interactions between hydrogen and a number of other gases.
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Dalgarno et al. (1965) studied this question.
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