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Scheme of the β-decay of 234Th

  • Proceedings of the LXV International Conference “Nucleus 2015. New Horizons in Nuclear Physics, Nuclear Engineering, Femto- and Nanotechnologies” (LXV International Meeting on Nuclear Spectroscopy and Nuclear Structure) (St. Petersburg, June–July 201
  • Published:
Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The scheme of the β-decay of 234Th is still not completely clear. Only the upper bound (10 keV) of the energy of the isomeric transition from level T 1/2 = 1.17 min of the 234Pa nucleus is known, and the correspondence between gamma quanta of several energies emitted in the β-decay of 234Th and specific nuclear levels of 234Pa has not been established. In this work, the isomeric transition energy of 2.6 ± 0.5 keV is determined via the γ-spectrometry of a 234Th source in γγ-coincidences, and a new 234Pa level populated in the β-decay of 234Th is introduced.

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Authors and Affiliations

  1. Khlopin Radium Institute, St. Petersburg, 194021, Russia

    A. A. Rimskii-Korsakov, V. V. Koltsov & V. V. Karasev

Authors
  1. A. A. Rimskii-Korsakov
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  2. V. V. Koltsov
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  3. V. V. Karasev
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Corresponding author

Correspondence to V. V. Koltsov.

Additional information

Original Russian Text © A.A. Rimskii-Korsakov, V.V. Koltsov, V.V. Karasev, 2016, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2016, Vol. 80, No. 8, pp. 967–970.

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Rimskii-Korsakov, A.A., Koltsov, V.V. & Karasev, V.V. Scheme of the β-decay of 234Th. Bull. Russ. Acad. Sci. Phys. 80, 880–883 (2016). https://doi.org/10.3103/S1062873816080347

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  • DOI: https://doi.org/10.3103/S1062873816080347

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