Computer Science
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010mss..confemi12h&link_type=abstract
"International Symposium On Molecular Spectroscopy, 65th Meeting, Held 21-25 June, 2010 at Ohio State University. http://molspec
Computer Science
Radicals And Ions
Scientific paper
Optical double resonance measurements of several rovibronic transitions in the ~b ^1B_1 ← ~a ^1A_1 origin band of CH_2 were reported at the 2008 Symposium. Although these assignments are unambiguous, the data are sparse and the spectral resolution was limited by the pulsed laser used. We have therefore recorded the complete absorption spectrum between approximately 8200 cm-1 and 8400 cm-1 at Doppler-limited resolution using an extended cavity diode laser source. This region includes the expected positions of both the K_a = 0 ← 1 and K_a = 1 ← 0 subbands. Although the calculated intensities for these transitions are small, the observed spectra have good signal-to-noise ratio and many additional transitions are seen. We have assigned all the expected transitions involving K' _a = 0, and part of the subband with K' _a = 1. However definitive assignment of transitions involving J' = 4 and higher in the second subband have so far eluded us, and additional optical double resonance measurements are needed to decide between several possible assignments. Acknowledgments: Work at Brookhaven National Laboratory was carried out under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy and supported by its Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences and Biosciences. Support from the Department of Energy Faculty and Student Teams Program for Bloomsburg University is gratefully acknowledged.
Z. Wang et al., paper WG03, 63rd OSU International Symposium on Molecular Spectroscopy.
J.-P. Gu et al., J. Molec. Struct. 517-8 247 (2000).
Chang Bor-Chen
Hall Gregory E.
Latsha Tyler
Otruba Eric
Sears Trevor J.
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