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# COMPARISON OF ABSOLUTE LINE INTENSITIES IN $2\nu_{3}$ OF $^{13}CH_{4}$ AND $^{12}CH_{4}^{*}$

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/10972

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 Title: COMPARISON OF ABSOLUTE LINE INTENSITIES IN $2\nu_{3}$ OF $^{13}CH_{4}$ AND $^{12}CH_{4}^{*}$ Creators: Fox, K.; Jennings, D. E.; Halsey, G. W.; Daunt, S. J. Issue Date: 1979 Abstract: We have measured equivalent widths of the isolated singlets Q(1). R(0), and R(1) in the $2\nu_{3}$ vibration-rotation overtone of isotopically enriched $^{13}CH_{4}$ and $^{12}CH_{4}$. The derived line strengths for the isotopic species appear, from these preliminary results, to differ by as much as 40%. The internal consistency of our measurements will be discussed. Our latest, refined results will be presented. Theory for the observed effects will also be considered. URI: http://hdl.handle.net/1811/10972 Other Identifiers: 1979-TA-05