Abstract

High-resolution atomic-beam ultraviolet (UV) laser spectroscopy in Ti I has been performed. Isotope shifts have been measured for seven UV transitions and hyperfine structure constants of 47 Ti and 49 Ti have been determined for five high-lying levels. Large specific mass shifts and significant field shifts have been derived for the studied transitions; the specific mass shift of the 3 d 2 4 s 2 –3 d 3 4 p transition is quite larger than that of the 3 d 2 4 s 2 –3 d 2 4 s 4 p transition. J dependences of isotope shift have been obtained for the 3 d 2 4 s 4 p 3 F term and are mainly contributed from the specific mass shift.

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