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  The radiative lifetime of metastable CO (a (3)Pi, v=0).

Gilijamse, J. J., Hoekstra, S., Meek, S. A., Metsala, M., van de Meerakker, S. Y. T., Meijer, G., et al. (2007). The radiative lifetime of metastable CO (a (3)Pi, v=0). Journal of Chemical Physics, 127(22): 221102. doi:10.1063/1.2813888.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-D31D-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-9479-4
Genre: Journal Article

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2172847.pdf (Publisher version), 630KB
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Gilijamse, J. J., Author
Hoekstra, S., Author
Meek, S. A.1, Author              
Metsala, M., Author
van de Meerakker, S. Y. T., Author
Meijer, G., Author
Groenenboom, G. C., Author
Affiliations:
1Research Group of Precision Infrared Spectroscopy, MPI for Biophysical Chemistry, Max Planck Society, ou_2149674              

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 Abstract: We present a combined experimental and theoretical study on the radiative lifetime of CO in the a (3)Pi(1,2), v=0 state. CO molecules in a beam are prepared in selected rotational levels of this metastable state, Stark-decelerated, and electrostatically trapped. From the phosphorescence decay in the trap, the radiative lifetime is measured to be 2.63 +/- 0.03 ms for the a (3)Pi(1), v=0, J=1 level. From the spin-orbit coupling between the a (3)Pi and the A (1)Pi states a 20% longer radiative lifetime of 3.16 ms is calculated for this level. It is concluded that coupling to other (1)Pi states contributes to the observed phosphorescence rate of metastable CO. (c) 2007 American Institute of Physics.

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Language(s): eng - English
 Dates: 2007-12-14
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1063/1.2813888
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Title: Journal of Chemical Physics
Source Genre: Journal
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Pages: 4 Volume / Issue: 127 (22) Sequence Number: 221102 Start / End Page: - Identifier: -