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Absorption cross section of gaseous acetylene at 85K in the wavelength range 110-155nm

Astrophysical Journal, Supplement Series, ISSN: 0067-0049, Vol: 196, Issue: 1
2011
  • 15
    Citations
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  • 15
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Metrics Details

  • Citations
    15
    • Citation Indexes
      15
  • Captures
    15

Review Description

Absorption spectra and absorption cross sections of gaseous acetylene, CH, at 298 and 85K were measured in the wavelength range 110-155nm with a slit-jet system coupled to a synchrotron as a source of vacuum ultraviolet light. Using published spectral parameters of CH , we simulated the absorption profile for the Rydberg transition to state 4R in the range 124.6-125.1nm, according to which the temperature of the jet-expanded sample at stagnation pressure 200 Torr is 85 ± 5K. Our cross sections of CH are applicable for determining properties sensitive to temperature for diagnostic work on Saturn and Titan. © 2011. The American Astronomical Society. All rights reserved.

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