| Issue |
Europhys. Lett.
Volume 61, Number 2, January 2003
|
|
|---|---|---|
| Page(s) | 181 - 186 | |
| Section | Nuclear physics | |
| DOI | https://doi.org/10.1209/epl/i2003-00210-x | |
| Published online | 01 January 2003 | |
Nuclear laser spectroscopy of the 3.5
transition in 
-229
Physikalisch-Technische Bundesanstalt - Bundesallee 100 38116 Braunschweig, Germany
Corresponding author: ekkehard.peik@ptb.de
Received:
17
June
2002
Accepted:
11
November
2002
We propose high-resolution laser spectroscopy of the 3.5
nuclear transition in -229 in isolated atoms. Laser
excitation of the nucleus can be detected efficiently in a
double-resonance method by probing the hyperfine structure of a
transition in the electron shell. It is shown that for a suitably
chosen electronic level, the frequency of the nuclear transition
is independent of external magnetic fields to first order and of
electric fields to second order. This makes -229 a
possible reference for an optical clock of very high accuracy.
The nuclear-electronic double-resonance method can be
conveniently applied to a laser-cooled ion of
in a radiofrequency trap. Further
applications of nuclear laser spectroscopy are discussed.
PACS: 23.20.-g – Electromagnetic transitions / 42.62.Fi – Laser spectroscopy / 33.40.+f – Multiple resonances (including double and higher-order resonance processes, such as double nuclear magnetic resonance, electron double resonance, and microwave optical double resonance)
© EDP Sciences, 2003
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