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Observation of rotational energy transfer in iodine by two-photon time delayed spectroscopy

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Abstract

The temporal evolution for individual rovibrational levels of the B state of the iodine molecule is observed by two-photon delayed spectroscopy. In particular the rotational energy transfer (RET) process due to collisions of the molecules in the B state with molecules in the ground state is studied. Thermal averaged rate constants for pairs of rotational levels of the v=27 vibrational state are measured. The results are discussed in terms of the dynamics of the collision process and numerical fits to the most important parametric fitting laws for RET are presented.

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Authors and Affiliations

  1. Departamento de Engenharia Electrica, Escola de Engenharia-UFRGS Praça Argentina, S/N 90210 Porto, Alegre-RS, Brazil

    J. A. Lisbôa

  2. Instituto de Fisica-UFRGS, Caixa Postal 15051, 91500, Porto Alegre-RS, Brazil

    R. E. Francke

Authors
  1. J. A. Lisbôa
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  2. R. E. Francke
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Lisbôa, J.A., Francke, R.E. Observation of rotational energy transfer in iodine by two-photon time delayed spectroscopy. Appl. Phys. B 54, 562–566 (1992). https://doi.org/10.1007/BF00325527

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  • DOI: https://doi.org/10.1007/BF00325527

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