Volume 61, Number 2, January 2003
|Page(s)||181 - 186|
|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: email@example.com
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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