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THE $A^{1} \Sigma^{+} - X^{1} \Sigma^{+}$ AND $A^{\prime 1}\Pi - X^{1} \Sigma^{+}$ CHEMILUMINESCENCE SPECTRA OF SrO FROM A FOURIER TRANSFORM FROM SPECTROMETER

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/19943

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Title: THE $A^{1} \Sigma^{+} - X^{1} \Sigma^{+}$ AND $A^{\prime 1}\Pi - X^{1} \Sigma^{+}$ CHEMILUMINESCENCE SPECTRA OF SrO FROM A FOURIER TRANSFORM FROM SPECTROMETER
Creators: Li, Hongzhi; Skelton, Randall; Focsa, Cristian; Pinchemel, Bernard; Bernath, P. F.
Issue Date: 2000
Publisher: Ohio State University
Abstract: The $A^{1} \Sigma^{+} - X^{1} \Sigma^{+}$ and $A^{\prime 1}\Pi - X^{1} \Sigma^{+}$ spectra of SrO were observed in the range of 3,900 to $13,600 cm^{-1}$ at a resolution of about $0.03 cm^{-1}$. The SrO chemiluminescence was produced in a Broida-type oven from the $Sr + N_{2}O$ reaction and detected with a Fourier transform, spectrometer. A total of 75 bands from $^{88}SrO, \;^{87}SrO$ and $^{86}SrO$ were measured for the A-X transition, and vibrational levels of the ground state were analyzed up to $v^{\prime\prime} = 12$. Over 10.000 rovibrational lines from the A-X transition were fitted to obtain significantly improved spectral constants of the ground state. Strong perturbations were observed in the A state. The $A^{\prime}-X$ infrared emission spectrum was also analyzed. A set of Dunham parameters for the $A^{\prime}$ state was obtained through the fitting of the data.
URI: http://hdl.handle.net/1811/19943
Other Identifiers: 2000-WF-08
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