Published February 15, 1987 | Published
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(2+1) resonant enhanced multiphoton ionization of H_2 via the E, F^(1)Σ^+_g state

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Abstract

In this paper, we report the results of ab initio calculations of photoelectron angular distributions and vibrational branching ratios for the (2+1) REMPI of H_2 via the E, F^(1)Σ^+_g state, and compare these with the experimental data of Anderson et al. [Chem. Phys. Lett. 105, 22 (1984)]. These results show that the observed non‐Franck–Condon behavior is predominantly due to the R dependence of the transition matrix elements, and to a lesser degree to the energy dependence. This work presents the first molecular REMPI study employing a correlated wave function to describe the Rydberg–valence mixing in the resonant intermediate state.

Additional Information

© 1987 American Institute of Physics. Received 30 September 1986; accepted 7 November 1986. This research was supported by the National Science Foundation under Grant No. CHE8521391. W. M. H. acknowledges support from the NASA Ames Cooperative Agreement NCC 2-147, and H. R. gratefully acknowledges support from the Danish Natural Science Research Council and the Carlsberg Foundation.

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