Transition frequencies, isotope shifts, and hyperfine structure in $4s \rightarrow 4p$ transitions of Ti$^+$ ions
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| Format: | Preprint |
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2024
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| author | Ratajczyk, Tim König, Kristian Bollinger, Philipp Lellinger, Tim Varentsov, Victor Nörtershäuser, Wilfried Spahn, Julien |
| author_facet | Ratajczyk, Tim König, Kristian Bollinger, Philipp Lellinger, Tim Varentsov, Victor Nörtershäuser, Wilfried Spahn, Julien |
| contents | We have measured transition frequencies, isotope shifts and hyperfine structure splittings in the $3 d^{2}\left({ }^{3\!}F\right) 4 s\,{ }^{4} F_J\rightarrow 3 d^{2}\left({ }^{3\!} F\right) 4 p \,^{4} G_{J+1}$ transitions in Ti$^+$ ions for $J=\frac{3}{2},\, \frac{5}{2},\, \frac{7}{2}$ using collinear laser spectroscopy. Ions were generated by laser ablation in a buffer gas atmosphere and extracted into vacuum through a nozzle and a pair of radiofrequency (RF) funnels. The obtained results are of interest as reference values for on-line measurements of short-lived titanium isotopes and for astrophysical searches for temporal or spatial variations of the fine structure constant $α$ using quasar absorption spectra. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2405_05084 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Transition frequencies, isotope shifts, and hyperfine structure in $4s \rightarrow 4p$ transitions of Ti$^+$ ions Ratajczyk, Tim König, Kristian Bollinger, Philipp Lellinger, Tim Varentsov, Victor Nörtershäuser, Wilfried Spahn, Julien Atomic Physics We have measured transition frequencies, isotope shifts and hyperfine structure splittings in the $3 d^{2}\left({ }^{3\!}F\right) 4 s\,{ }^{4} F_J\rightarrow 3 d^{2}\left({ }^{3\!} F\right) 4 p \,^{4} G_{J+1}$ transitions in Ti$^+$ ions for $J=\frac{3}{2},\, \frac{5}{2},\, \frac{7}{2}$ using collinear laser spectroscopy. Ions were generated by laser ablation in a buffer gas atmosphere and extracted into vacuum through a nozzle and a pair of radiofrequency (RF) funnels. The obtained results are of interest as reference values for on-line measurements of short-lived titanium isotopes and for astrophysical searches for temporal or spatial variations of the fine structure constant $α$ using quasar absorption spectra. |
| title | Transition frequencies, isotope shifts, and hyperfine structure in $4s \rightarrow 4p$ transitions of Ti$^+$ ions |
| topic | Atomic Physics |
| url | https://arxiv.org/abs/2405.05084 |