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K-shell ionization during the α-decay of superheavy nuclei

  • Proceedings of the LXVI International Conference on Nuclear Spectroscopy and the Structure of Atomic Nuclei
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The probabilities of K-shell ionization in daughter atoms during the α-decay of extensively studied 84Po isotopes and superheavy 294117 Ts, 286113 Nh, 278109 Mt, 270105 Db, 253102 No, 249100 Fm, and 272111 Rg nuclei are calculated. Monopole and dipole terms are considered. More accurate expressions for α-particle tunneling through the atomic Coulomb barrier are derived. The electron wave functions are calculated using the relativistic Dirac–Fock method. The results are essential for processing the spectra analyzed in combined α-, γ-, and conversion-electron spectroscopy.

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Authors and Affiliations

  1. Ioffe Institute, St. Petersburg, 194021, Russia

    V. K. Nikulin

  2. National Research Center Kurchatov Institute, Petersburg Nuclear Physics Institute, Gatchina, 188300, Russia

    M. B. Trzhaskovskaya

Authors
  1. V. K. Nikulin
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  2. M. B. Trzhaskovskaya
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Corresponding author

Correspondence to M. B. Trzhaskovskaya.

Additional information

Original Russian Text © V.K. Nikulin, M.B. Trzhaskovskaya, 2017, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2017, Vol. 81, No. 10, pp. 1343–1349.

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Nikulin, V.K., Trzhaskovskaya, M.B. K-shell ionization during the α-decay of superheavy nuclei. Bull. Russ. Acad. Sci. Phys. 81, 1201–1206 (2017). https://doi.org/10.3103/S1062873817100203

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  • DOI: https://doi.org/10.3103/S1062873817100203

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