amo notes > ion catalog > Ba
Barium Ion (Ba+)
Trapped/laser cooled: 1978 by W. Neuhauser, M. Hohenstatt, P. Toschek, and H. Dehmelt in Heidelberg, Germany.
Reference: Phys. Rev. Lett. 41, 233 (1978).
Basic information: Atomic/isotopic/spectroscopic information
(Some) groups currently using this ion:
Northwestern U
U Innsbruck
U Washington
Atomic structure:
Notes and references:
| Wavelengths: | (as shown) | AIP Advances 4, 057124 (2014) NIST database |
| | ||
| 2P1/2 lifetime: | 7.55 ns | Phys. Rev. A 18, 2135 (1978) |
| 2P3/2 lifetime: | 6.22 ns | Phys. Rev. A 18, 2135 (1978) |
| 2D3/2 lifetime: | 80 s | Phys. Rev. Lett. 78, 4898 (1997) |
| 2D5/2 lifetime: | 34.5 s | Phys. Rev. A 41, 2621 (1990) |
| | ||
| 2S1/2 HFS (137Ba+): | 8.038 GHz | Hyperfine Interactions 127, 57 (2000) |
| 2P1/2 HFS (137Ba+): | 1.487 GHz | J. Phys. B 26, 4289 (1993) |
Website updated 2022.06.09
Funding: National Science Foundation