NDLI: Spectroscopy of the a3Σu + state and the coupling to the X1Σg + state of K2

Content Provider	Springer Nature Link
Author	Pashov, A. Popov, P. Knöckel, H. Tiemann, E.
Copyright Year	2007
Abstract	We report on high resolution Fourier-transform spectroscopy of fluorescence to the a3Σu + state induced by two-photon or two-step excitation from the X1Σg + state to the 23Πg state in the molecule K2. These spectroscopic data are combined with recent results of Feshbach resonances and two-color photoassociation spectra for deriving the potential curves of X1Σg + and a3Σu + up to the asymptote. The precise relative position of the triplet levels with respect to the singlet levels was achieved by including the excitation energies from the X1Σg + state to the 23Πg state and the frequencies of the fluorescence down to the a3Σu + state in the simultaneous fit of both potentials. The derived precise potential curves allow for reliable modeling of cold collisions of pairs of potassium atoms in their 2S ground state.
Starting Page	241
Ending Page	249
Page Count	9
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	46
Issue Number	2
e-ISSN	14346079
Language	English
Publisher	EDP Sciences
Publisher Date	2007-11-14
Publisher Place	Les Ulis
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Atoms, Molecules, Clusters and Plasmas Nanotechnology Quantum Physics Quantum Computing, Information and Physics Complexity Solid State Physics and Spectroscopy
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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