Laser Spectroscopy of the ^4Γ - X^4Φ Transition in Titanium Hydride, TiH

Details Laser Spectroscopy of the ^4Γ - X^4Φ Transition in Titanium Hydride, TiH Laser Spectroscopy of the ^4Γ - X^4Φ Transition in Titanium Hydride, TiH

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..confefd10l&link_type=abstract

"International Symposium On Molecular Spectroscopy, 66th Meeting, Held 20-24 June, 2011 at Ohio State University. http://molspec

Physics

Mini-Symposium: Fundamental Physics

Scientific paper

A gas phase study of the 4Γ2.5 - A4Φ1.5 (0, 0) band in the astrophysically important titanium hydride molecule, TiH, has recently been undertaken. Low resolution dispersed fluorescence spectra of TiH and TiD have yielded information on the vibrational structure. A high resolution study at a linewidth of ≈40 MHz has shown doubling due to resolved hydrogen hyperfine structure in the main 48TiH (74% abundance) isotopologue, and the much weaker 46TiH (8%) and 50TiH (5%) species. Titanium hyperfine structure was also resolved in the weak 47TiH (8%, I = 2.5) and 49TiH (5%, I = 3.5) isotopologues. The magnetic tuning properties of TiH have been examined by studying the Zeeman effect on the low-J lines. The analysis is presently in progress and the latest results will be presented at the symposium.

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