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Multilevel rotational transitions in the intermediate stage of three-photon ionization of molecules

  • Atoms, Spectra, Radiation
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Abstract

Ionization and dissociation of diatomic molecules induced by a weak field (after preliminarily populating an intermediate level) and by intense, linearly polarized monochromatic radiation have been studied. Field-induced mixing of rotational components of various electronic-vibrational states of molecules (such as CO, NO, etc.) at field strength f∼10−4–10−5 atomic units can lead to migration among states with different angular momenta J. Therefore, ions with rotational momenta J + much higher than those prescribed by selection rules for three-photon absorption can be formed from molecules in the ground state. The possibility of selective formation of ions with J +≫1 and zero projection of the angular momentum on the polarization vector of the external electromagnetic radiation has been investigated.

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Authors and Affiliations

  1. N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, 117977, Moscow, Russia

    G. K. Ivanov, G. V. Golubkov, S. V. Drygin & I. E. Cherlina

Authors
  1. G. K. Ivanov
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  2. G. V. Golubkov
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  3. S. V. Drygin
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  4. I. E. Cherlina
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Additional information

Zh. Éksp. Teor. Fiz. 111, 1624–1632 (May 1997)

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Ivanov, G.K., Golubkov, G.V., Drygin, S.V. et al. Multilevel rotational transitions in the intermediate stage of three-photon ionization of molecules. J. Exp. Theor. Phys. 84, 888–892 (1997). https://doi.org/10.1134/1.558227

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  • DOI: https://doi.org/10.1134/1.558227

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