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Emission spectra of calcium dimer. The A 1∑u+ − X 1∑g+ system

✍ Scribed by M.A. Gondal; M.A. Khan; M.H. Rais

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 486 KB
Volume: 243
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(95)00812-i

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✦ Synopsis

The AIX~+-X 1 + Xg spectral system of Ca 2 has been studied in two independent experiments. The collision-induced fluorescence due to this band was investigated following the resonant excitation of the 4s4p 3P 1 metastable state of calcium using a Nd : YAG laser pumped dye laser. In another experiment, a low current glow discharge in calcium vapor was used. We have assigned 86 spectral lines to this band system for vibrational quantum numbers (v'= 10-13 and v"= 0) by A X u state dissociation energy D~ is estimated to be ~ 8693.6 + 1 cm-1. The applying a Dunham type analysis. The 1 + processes involved in the collisional excitation of the upper molecular state are discussed.

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