The radiative lifetime of metastable CO ($a^3Π, v=0$)

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dc.creatorGilijamse, Joop J.
dc.creatorHoekstra, Steven
dc.creatorMeek, Samuel A.
dc.creatorMetsala, Markus
dc.creatorvan de Meerakker, Sebastiaan Y. T.
dc.creatorMeijer, Gerard
dc.creatorGroenenboom, Gerrit C.
dc.date2007-10-11
dc.date2008-01-07
dc.date.accessioned2026-07-07T08:52:30Z
dc.date.available2026-07-07T08:52:30Z
dc.descriptionWe present a combined experimental and theoretical study on the radiative lifetime of CO in the $a^3Π_{1,2}, v=0$ 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 $2.63\pm0.03$ ms for the $a^3Π_1, v=0, J=1$ level. From spin-orbit coupling between the $a^3Π$ and the $A^1Π$ state a 20% longer radiative lifetime of 3.16 ms is calculated for this level. It is concluded that coupling to other $^1Π$ states contributes to the observed phosphorescence rate of metastable CO.
dc.descriptionreplaced with final version, added journal reference
dc.identifierhttps://arxiv.org/abs/0710.2240
dc.identifierhttp://arxiv.org/abs/0710.2240
dc.identifierJournal of Chemical Physics, 127, 221102 (2007)
dc.identifierdoi:10.1063/1.2813888
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145300
dc.subjectAtomic Physics
dc.subjectChemical Physics
dc.titleThe radiative lifetime of metastable CO ($a^3Π, v=0$)
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