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Parity nonconservation in the circular polarization of primary photons of the radiation accompanying electron conversion in the 5/2− → 5/2+ nuclear transition in the 229Pa91 nucleus

  • Nuclei
  • Theory
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Abstract

The ground state of 229Pa91 is a 5/2± doublet, with the splitting energy being 220+-50 eV. A direct observation of P-odd effects in this system is of great interest, since this may furnish information about the parity-nonconserving effective one-nucleon potential. Since a transition between two oppositeparity doublet states is accompanied by a strong conversion, it is possible to study P-odd mixing by exploring the conversion-electron helicity and the circular polarization P γ of the lines of atomic radiation that arises upon the filling of a hole in the 6s 1/2, 6p 1/2, and 6p 3/2 shells of the 229Pa91 atom. Since P γ is about 3–5% for individual atomic transitions, experiments aimed at observing parity-nonconservation effects on this basis are feasible.

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  1. Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia

    D. P. Grechukhin & A. V. Lomonosov

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  1. D. P. Grechukhin
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  2. A. V. Lomonosov
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__________

Translated from Yadernaya Fizika, Vol. 64, No. 5, 2001, pp. 948–-957.

Original Russian Text Copyright © 2001 by Grechukhin, Lomonosov.

Deceased.

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Grechukhin, D.P., Lomonosov, A.V. Parity nonconservation in the circular polarization of primary photons of the radiation accompanying electron conversion in the 5/2− → 5/2+ nuclear transition in the 229Pa91 nucleus. Phys. Atom. Nuclei 64, 882–890 (2001). https://doi.org/10.1134/1.1378878

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  • DOI: https://doi.org/10.1134/1.1378878

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