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 Title: Inter-Rydberg excitation spectroscopy of krypton dimers Author(s): Abele, Charles Christian Doctoral Committee Chair(s): Eden, James G. Department / Program: Electrical and Computer Engineering Discipline: Electrical Engineering Degree Granting Institution: University of Illinois at Urbana-Champaign Degree: Ph.D. Genre: Dissertation Subject(s): Physics, Molecular Abstract: An excitation spectrum of the krypton dimer 6p$\sp3\Pi\sb{\rm g}(0\sbsp{g}{-})$ $\gets$ 5s$\sp3\Sigma\sbsp{\rm u}{+}(1\sb{\rm u}$, 0$\sbsp{\rm u}{-})$ transition has been observed over 525 nm $\leq$ $\lambda$ $\leq$ 545 nm. An argon fluoride excimer laser was used to excite the atomic krypton 6p (3/2) $\sb2$ state, which produced metastable dimers via collisions with the 300 Torr krypton background. Molecular transitions originating from the metastable 5s$\sp3\Sigma\sbsp{\rm u}{+}(1\sb{\rm u}, 0\sbsp{\rm u}{-}$) were then probed with a dye laser, and the predissociation of the upper states of these transitions produced atomic fluorescence. Suppressions in the fluorescence, which were correlated with atomic transitions, demonstrate that the atomic 5p (3/2) $\sb1$ state is the primary product of the molecular 6p$\sp3\Pi\sb{\rm g}(0\sbsp{\rm g}{-}$) predissociation, and that the probable channel for this process is the 5p0$\sbsp{\rm g}{-}$ state whose atomic limit is the 5p (3/2) $\sb1$ state. In addition it is observed that Hund's case (c) is consistent with these observations. Issue Date: 1989 Type: Text Language: English URI: http://hdl.handle.net/2142/20892 Rights Information: Copyright 1989 Abele, Charles Christian Date Available in IDEALS: 2011-05-07 Identifier in Online Catalog: AAI9010787 OCLC Identifier: (UMI)AAI9010787
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