Resonance ionization spectroscopy of thorium isotopes?towards a laser spectroscopic identification of the low-lying 7.6 eV isomer of 229Th

  title={Resonance ionization spectroscopy of thorium isotopes?towards a laser spectroscopic identification of the low-lying 7.6 eV isomer of 229Th},
  author={S. Raeder and Volker Sonnenschein and Tina Gottwald and I. D. Moore and Michael J Reponen and Sebastian Rothe and Norbert Trautmann and Klaus Wendt},
  journal={Journal of Physics B},
In-source resonance ionization spectroscopy was used to identify an efficient and selective three-step excitation/ionization scheme of thorium, suitable for titanium:sapphire (Ti:sa) lasers. The measurements were carried out in the preparation of laser spectroscopic investigations for an identification of the low-lying 229mTh isomer predicted at 7.6 ± 0.5 eV above the nuclear ground state. Using a sample of 232Th, a multitude of optical transitions leading to over 20 previously unknown… Expand

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  • Helmer, Reich
  • Physics, Medicine
  • Physical review. C, Nuclear physics
  • 1994
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