LINE STRENGTHS IN $3\nu_{3}$ OF $^{12}CH_{4}$ AND $^{13}CH_{4}$

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dc.creator Brault, J. W. en_US
dc.creator Fox, K. en_US
dc.creator Jennings, D. E. en_US
dc.creator Margolis, J. S. en_US 2006-06-15T14:28:41Z 2006-06-15T14:28:41Z 1980 en_US
dc.identifier 1980-FB'-2 en_US
dc.description Author Institution: en_US
dc.description.abstract The vibration-rotation overtone near $9050 cm^{-1}$ was studied using a Fourier transform spectrometer with resolution of $0.01 cm^{-1}$ and photometric precision of 0.02%. Absolute strengths of corresponding R-branch lines in isotopic ally pure samples were measured under identical conditions to minimize systematic errors in relative strengths. Line strengths for $^{13}CH_{4}$ were observed to be smaller than those for $^{12}CH_{4}$ by as much as 40%. (Similar results were found for $2\nu_{3}$ of methane.) The $^{12}C: ^{13}C$ abundance ratios deduced from $3\nu_{3}$ spectra of planetary atmospheres will now require modifications. en_US
dc.format.extent 62336 bytes
dc.format.mimetype image/jpeg
dc.language.iso English en_US
dc.publisher Ohio State University en_US
dc.title LINE STRENGTHS IN $3\nu_{3}$ OF $^{12}CH_{4}$ AND $^{13}CH_{4}$ en_US
dc.type article en_US