Laser spectroscopic characterization of the nuclear-clock isomer 229mTh

@article{Thielking2018LaserSC,
  title={Laser spectroscopic characterization of the nuclear-clock isomer 229mTh},
  author={Johannes Thielking and M. V. Okhapkin and Przemyslaw Glowacki and David M. Meier and Lars von der Wense and Benedict Seiferle and Christoph E D{\"u}llmann and Peter G. Thirolf and Ekkehard Peik},
  journal={Nature},
  year={2018},
  volume={556},
  pages={321-325}
}
  • Johannes Thielking, M. V. Okhapkin, +6 authors Ekkehard Peik
  • Published in Nature 2018
  • Physics, Medicine
  • The isotope 229Th is the only nucleus known to possess an excited state 229mTh in the energy range of a few electronvolts—a transition energy typical for electrons in the valence shell of atoms, but about four orders of magnitude lower than typical nuclear excitation energies. Of the many applications that have been proposed for this nuclear system, which is accessible by optical methods, the most promising is a highly precise nuclear clock that outperforms existing atomic timekeepers. Here we… CONTINUE READING

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