Nuclear clocks based on resonant excitation of γ-transitions

Peik, Ekkehard; Okhapkin, Maksim

doi:https://doi.org/10.1016/j.crhy.2015.02.007

Zugriffsnummer	33934
Dokumenttyp	Zeitschriftenartikel
Sprache	Englisch
Titel	Nuclear clocks based on resonant excitation of γ-transitions
Übersetzungstitel	Horloges nucléaires fondées sur l'excitation résonnante de transitions gamma
Autor(in); Institution	Peik, Ekkehard; 4.4, Zeit und Frequenz, PTB-Braunschweig Okhapkin, Maksim; 4.4, Zeit und Frequenz, PTB-Braunschweig
Quelle/Jahr	Comptes Rendus Physique: 16 (2015), 5, 516 - 523
ISSN	1631-0705
DOI	https://doi.org/10.1016/j.crhy.2015.02.007
URL	arxiv.org/abs/1502.07322 http://www.sciencedirect.com/science/article/pii/S1631070515000213
Verlag	Amsterdam: Elsevier
Freie Schlagworte	Atomic and Nuclear Clocks ; Mössbauer spectroscopy ; Th-229 isomer ; Hyperfine structure ; Electronic bridge ; Ion trap
Zusammenfassung	We review the ideas and concepts for a clock that is based on a radiative transition in the nucleus rather than in the electron shell. This type of clock offers advantages like an insensitivity against ﬁeld-induced systematic frequency shifts and the opportunity to obtain high stability from interrogating many nuclei in the solid state. Experimental work concentrates on the low-energy (about 8 eV) isomeric transition in ²²⁹Th. We review the status of the experiments that aim at a direct optical observation of this transition and outline the plans for high-resolution laser spectroscopy experiments.

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Peik, E. & Okhapkin, M. (2015). Nuclear clocks based on resonant excitation of γ-transitions. Comptes Rendus Physique, 16(5), 516–523. https://doi.org/10.1016/j.crhy.2015.02.007

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