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Rotational analysis of several vibrational bands of the [7.7] Y 2Σ+ - X 2Πi transition of 63CuO
Harms, Jack C.
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https://hdl.handle.net/2142/100689
Description
- Title
- Rotational analysis of several vibrational bands of the [7.7] Y 2Σ+ - X 2Πi transition of 63CuO
- Author(s)
- Harms, Jack C.
- Contributor(s)
- O'Brien, Leah C.
- O'Brien, James J.
- Issue Date
- 2018-06-22
- Keyword(s)
- Metal containing
- Abstract
- The [7.7] Y 2Σ + - X 2Πi transition of CuO was observed in emission from a Cu hollow cathode recorded with the FT-spectrometer associated with the McMath-Pierce Solar Telescope at Kitt Peak in 1994. In 1996, a rotational analysis of the (0,0) band of the Y - X transition was reported by O’Brien et al. In a recent analysis of the (0,0) and (1,1) bands of the [16.4] A 2Σ − - X 2Πi transition of CuO performed by the authors, improved centrifugal distortion constants for the X 2Πi state were obtained. Line positions from the millimeter wave spectrum of CuO reported by Steimle et al. were successfully incorporated into the fit of the A – X transition, however, a fit including the line positions of the Y - X transition reported by O’Brien et al. showed small, yet significant, deviations in the residuals of the fit. In this study, the FTS data from 1994 was accessed from the FTP archive available from the National Solar Observatory website to investigate these deviations. The calibration of the data was verified to ±0.001 cm−1using Ne reference lines from Sansonetti et al. Using PGOPHER simulations and the improved rotational constants for the X 2Πi ground state, over 1000 additional line positions belonging to the (0,0) band of the Y - X transition were identified in the FTS data. Several previously unidentified vibrational bands were also observed and rotationally analyzed using PGOPHER, specifically the (2,0), (2,1), (2,2), (2,3), (1,0), (1,1), (1,2), (1,3), (0,0), (0,1), and (0,2) bands. A comprehensive fit of the data containing more than 10,000 line positions has been conducted using PGOPHER. The fit successfully incorporated the millimeter wave data for the X 2Πi state from Steimle et al. and the intracavity laser absorption data for the A - X state from the authors. Results of this analysis will be presented.
- Publisher
- International Symposium on Molecular Spectroscopy
- Type of Resource
- text
- Language
- eng
- Permalink
- http://hdl.handle.net/2142/100689
- DOI
- 10.15278/isms.2018.FB07
- Copyright and License Information
- Copyright 2018 Jack C. Harms
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