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Study of the Decay of the Thorium-229 Isomer. Looking for an Electron Bridge

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The electron shell has a critical effect on the processes of both quenching and feeding of the 229mTh isomer. To assess the role of resonant conversion and the implementation of the electronic bridge mechanism, a technique with a delay between the moment of formation and registration of single-charged ions of no more than a millisecond is necessary. The paper discusses the preparation of an experiment to search for the decay of 229mTh in a single-charged ions.

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ACKNOWLEDGMENTS

We are grateful to O.L. Fedin for his interest and support of the work. F.F. Karpeshin would like to thank Lars von der Wense for fruitful discussions.

Funding

The authors are grateful for the support of the Russian Science Foundation, grant no. 22-22-00090.

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Authors and Affiliations

  1. Petersburg Nuclear Physics Institute, National Research Center “Kurchatov Institute”, 188300, Gatchina, Russia

    Yu. I. Gusev, Yu. N. Novikov & A. V. Popov

  2. Mendeleev Institute of Metrology, 190005, St. Petersburg, Russia

    F. F. Karpeshin

  3. St. Petersburg State University, 199034, St. Petersburg, Russia

    Yu. N. Novikov

Authors
  1. Yu. I. Gusev
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  2. F. F. Karpeshin
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  3. Yu. N. Novikov
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  4. A. V. Popov
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Correspondence to A. V. Popov.

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Gusev, Y.I., Karpeshin, F.F., Novikov, Y.N. et al. Study of the Decay of the Thorium-229 Isomer. Looking for an Electron Bridge. Bull. Russ. Acad. Sci. Phys. 87 (Suppl 1), S151–S156 (2023). https://doi.org/10.1134/S1062873823704841

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  • DOI: https://doi.org/10.1134/S1062873823704841

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