Theory of relaxation parameters of the spectrum shape in the impact approximation-II: Simplifications, application for qQ(J,K) doublets in the v1 band of NH3 self-broadening

Abstract

In the first part of this paper the general theory of relaxation parameters of the spectrum shape in the impact approximation was presented. Here we describe some simplifications, discuss the isolated line approximation and compare our results with the other methods of a spectral line half-width and center shift calculation. As an example, illustrative calculations of the ^qQ(J,K) doublets in the v₁ band of NH₃ self-broadening have been performed and the results are compared with the experiment.

Original language	English
Pages (from-to)	89-98
Number of pages	10
Journal	Journal of Quantitative Spectroscopy and Radiative Transfer
Volume	141
DOIs	https://doi.org/10.1016/j.jqsrt.2014.02.018
Publication status	Published - 1 Jan 2014

Keywords

Cross-relaxation
Line-mixing
Line-width
Pressure broadening
Spectrum shape

ASJC Scopus subject areas

Radiation
Atomic and Molecular Physics, and Optics
Spectroscopy

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10.1016/j.jqsrt.2014.02.018

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title = "Theory of relaxation parameters of the spectrum shape in the impact approximation-II: Simplifications, application for qQ(J,K) doublets in the v1 band of NH3 self-broadening",

abstract = "In the first part of this paper the general theory of relaxation parameters of the spectrum shape in the impact approximation was presented. Here we describe some simplifications, discuss the isolated line approximation and compare our results with the other methods of a spectral line half-width and center shift calculation. As an example, illustrative calculations of the qQ(J,K) doublets in the v1 band of NH3 self-broadening have been performed and the results are compared with the experiment.",

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journal = "Journal of Quantitative Spectroscopy and Radiative Transfer",

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T2 - Simplifications, application for qQ(J,K) doublets in the v1 band of NH3 self-broadening

AU - Cherkasov, M. R.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - In the first part of this paper the general theory of relaxation parameters of the spectrum shape in the impact approximation was presented. Here we describe some simplifications, discuss the isolated line approximation and compare our results with the other methods of a spectral line half-width and center shift calculation. As an example, illustrative calculations of the qQ(J,K) doublets in the v1 band of NH3 self-broadening have been performed and the results are compared with the experiment.

AB - In the first part of this paper the general theory of relaxation parameters of the spectrum shape in the impact approximation was presented. Here we describe some simplifications, discuss the isolated line approximation and compare our results with the other methods of a spectral line half-width and center shift calculation. As an example, illustrative calculations of the qQ(J,K) doublets in the v1 band of NH3 self-broadening have been performed and the results are compared with the experiment.

KW - Cross-relaxation

KW - Line-mixing

KW - Line-width

KW - Pressure broadening

KW - Spectrum shape

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EP - 98

JO - Journal of Quantitative Spectroscopy and Radiative Transfer

JF - Journal of Quantitative Spectroscopy and Radiative Transfer

SN - 0022-4073

ER -

Theory of relaxation parameters of the spectrum shape in the impact approximation-II: Simplifications, application for ^qQ(J,K) doublets in the v₁ band of NH₃ self-broadening

Abstract

Keywords

ASJC Scopus subject areas

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