Temperature dependence of self broadening of ammonia transitions in the ν

G. Baldacchini, G. Buffa, A. Ciucci, F. D'Amato, O. Tarrini

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Self broadening coefficients have been measured as a function of temperature from 192 to 377 K for five transition lines of the ν2band of ammonia at ~ 937 cm-1. The results have been compared with theoretical calculations performed in the semiclassical impact approximation, and although one hot transition does not fit well in this scheme, there is in general a fairly good agreement. Moreover there is also an experimental and theoretical evidence against the commonly assumed power law for the temperature dependence. More measurements are needed to clarify the position of the hot transitions in this respect and to verify the extent of validity of the power law in general. © 1995.
Original languageEnglish
Pages (from-to)671 - 680
Number of pages10
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Issue number6
Publication statusPublished - 1995
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Radiation

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