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  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper ID_3_3

Laser Spectroscopy of Th+ above 7 eV Excitation Energy for Electronic Bridge Excitation of the Th-229 Nucleus

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Abstract

The possibility to realize a highly precise nuclear clock based on laser excitation of the isomeric state in Th-229 [1, 2] has motivated experiments with thorium ions in traps. The application of highly precise methods of laser spectroscopy to a nuclear excitation promises to open a new field of research at the border between atomic and nuclear physics. To facilitate the search for the nuclear transition within the present wide uncertainty range around 8 eV, we investigate two-photon excitation in the dense electronic level structure of Th+, which enables the nuclear excitation via a resonantly enhanced electronic bridge process [3].

© 2013 IEEE

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