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Calculation of the relaxation parameters of overlapping lines of the ammonia molecule pressure broadened by argon and helium

  • Spectroscopy of Atoms and Molecules
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Abstract

Broadening coefficients γ and interference coefficients ξ are calculated for different bands of the ammonia molecule in the case of line broadening by the pressure of argon and helium. A model intermolecular potential is used. It is shown that taking into account the interference effect changes the calculated values of γ, which suggests that the model potential parameters should be redetermined. The vibrational dependence of coefficients ξ is analyzed, and they are compared to coefficients ξ calculated for the same lines of the ammonia molecule pressure broadened by H2, O2, N2, and NH3.

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Authors and Affiliations

  1. Tomsk State University of Control Systems and Radioelectronics, Tomsk, 634050, Russia

    V. I. Starikov

  2. Yurga Technological Institute of Tomsk Polytechnic University, Yurga, 652055, Russia

    V. I. Starikov

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  1. V. I. Starikov
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Original Russian Text © V.I. Starikov, 2013, published in Optika i Spektroskopiya, 2013, Vol. 114, No. 1, pp. 17–27.

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Starikov, V.I. Calculation of the relaxation parameters of overlapping lines of the ammonia molecule pressure broadened by argon and helium. Opt. Spectrosc. 114, 15–24 (2013). https://doi.org/10.1134/S0030400X13010244

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  • DOI: https://doi.org/10.1134/S0030400X13010244

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