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LASER-INDUCED FLUORESCENCE IN KLi

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dc.creator Ross, A. J. en_US
dc.creator Martin, F. en_US
dc.creator Crozet, P. en_US
dc.creator Aubert-Frécon, M. en_US
dc.creator Kowalczyk, Pawel en_US
dc.creator Jastrzębski, Wlodzimierz en_US
dc.creator Pashov, A. en_US
dc.date.accessioned 2006-06-15T20:16:19Z
dc.date.available 2006-06-15T20:16:19Z
dc.date.issued 2001 en_US
dc.identifier 2001-TH-06 en_US
dc.identifier.uri http://hdl.handle.net/1811/20266
dc.description Author Institution: B\^atiment A. Kastler, Universit\'e Lyon I, Domaine Scientifique de la Doua; Laboratoire de Spectrom\'etrie Ionique et Mol\'eculaire (UMR 5579 CNRS), B\^atiment A. Kastler, Universit\'e Lyon I, Domaine Scientifique de la Doua; Laboratoire de Spectrom\'etrie Ionique et Mol\'eculaire (UMR 5579 CNRS), Warsaw University, Ul.; Institute of Experimental Physics, Polish Academy of Sciences; Institute of Physics, Institut f\""ur Quantenoptik en_US
dc.description.abstract Laser-induced fluorescence spectra of the $B \rightarrow X$ system of the potassium-lithium molecule have been recorded on a Fourier transform interferometer. The molecules were excited with a tuneable, single-mode cw dye laser operating with Rhodamine 110 or Coumarine 6 dye, and the spectra recorded in the range $12500 - 18500 cm^{-1}$ at a resolution of $0.05 cm^{-1}$. Vibrational levels up to $v = 46$ are observed for the main isotopomer, $^{39}K^{7}Li$. Ground state energies have been fitted to a Dunham polynomial expansion, and also directly to a pointwise potential curve. Both approaches fit the data with a root-mean-square error of $0.005 cm^{-1}$. The data define the ground state potential curve accurately out to about 7 \AA. The dissociation energy of the ground state $D_{e}$ is estimated to be $D_{e} = 6216 \pm 2 cm^{-1}$, and the highest vibrational level $v_{max} = 50$ for the main isotopomer. Very weak transitions around $12600 cm^{-1}$ are tentatively assigned as bands of the $2 ^{3}\Sigma^{+} \rightarrow 1 ^{3}\Sigma^{+}$ transition, observed as collisionally induced fluorescence. en_US
dc.format.extent 256960 bytes
dc.format.mimetype image/jpeg
dc.language.iso English en_US
dc.title LASER-INDUCED FLUORESCENCE IN KLi en_US
dc.type article en_US