Bulletin of the Korean Chemical Society

  • 제15권5호
  • /
  • Pages.353-356
  • /
  • 1994
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  • 0253-2964(pISSN)
  • /
  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Observation of Rotational Cooling of CN($B^2{\Sigma}^+$) Radical Generated in a Supersonic Expansion

  • Lee, Sang-Kuk (Department of Chemistry, College of Natural Sciences, Pusan National University) ;
  • Choi, Iek-Soon (Department of Chemistry, College of Natural Sciences, Pusan National University) ;
  • Kim, Un-Sik (Department of Chemistry, College of Natural Sciences, Pusan National University)
  • 발행 : 1994.05.20
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초록

The $CN(B^2{\Sigma}^+)$ radical was produced in a jet using an electric dc discharge of the precursor $CH_3CN$ with inert carrier gases. The rotationally resolved Fourier transform emission spectra of the 0-0 band of the $(B^2{\Sigma}^+{\to}X^2{\Sigma}^+)$ transition of CN have exhibited different distribution of the intensity for the carrier gases He and Ar, respectively. From the analysis of intensity distribution in the spectra, the mechanism for rotational cooling process of CN radical in a supersonic expansion has been suggested.

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참고문헌

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