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Rotationally resolved (3 + 1) rempi of H_2 via the B^1Σ^+_u state

Lynch, D. L. and Dixit, S. N. and McKoy, V. (1986) Rotationally resolved (3 + 1) rempi of H_2 via the B^1Σ^+_u state. Chemical Physics Letters, 123 (4). pp. 315-320. ISSN 0009-2614. doi:10.1016/0009-2614(86)80079-3.

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In the paper, we compare the results of our ab initio calculations for the ro-vibrational branching ratios resulting from a (3+1) REMPI of H_2 via the B^1Σ^+_u state with the experimental data of Pratt, Poliakoff, Dehmer and Dehmer. These results indicate that non-Franck-Condon effects are less important here than in the (3+1) REMPI of H_2 via the C^1Π_u state. We observe that the ΔJ = ±3 peaks in the photoelectron spectrum are of negligible strength and that the ratio of ΔJ = +1 to ΔJ = −1 peak is independent of the ionic vibrational state. A detailed analysis indicates that these features arise as a result of a dynamic interference between the do and dμ ionization channels and do not imply either the smallness of the d-wave or the smallness of the j_t = 3 angular momentum coupling terms.

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Additional Information:© 1986 Published by Elsevier B.V. Received 14 October 1985. One of us (SND) acknowledges helpful discussions with Dr. P. M. Dehmer. This research was supported by the National Science Foundation under Grant No. CHE-8218166.
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Caltech Arthur Amos Noyes Laboratory of Chemical Physics7305
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62172
Deposited By: Ruth Sustaita
Deposited On:17 Nov 2015 23:07
Last Modified:10 Nov 2021 22:59

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