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Dynamical polarization of radioactive nuclei

  • Nuclei
  • Theory
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Abstract

In order to polarize radioactive nuclei implanted in a highly polarized protonic target, it is proposed to use methods for the dynamical orientation of nuclei. The angular distribution of photons that originate from the cascade beta-gamma decay of the 22Na(3+) state in a strong magnetic field is calculated. It is shown that, if the populations of Zeeman magnetic sublevels obey the Boltzmann distribution, the angular distribution of emitted photons is independent of the sign of spin temperature; at the same time, the tensor polarization of quadrupole nuclei occurring in the intrinsic field of a crystal causes a strong dependence of the anisotropy on the sign of spin temperature. A rich potential of a dynamical orientation for studying the magnetic structure of rare nuclei and the dynamics of their spin-spin interactions in dielectric host materials is demonstrated. Physical and technological advantages and disadvantages of the method in the on-line regime of the implantation of heavy nuclei are discussed.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia

    Yu. F. Kiselev & V. L. Lyuboshitz

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  1. Yu. F. Kiselev
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  2. V. L. Lyuboshitz
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__________

Translated from Yadernaya Fizika, Vol. 64, No. 1, 2001, pp. 19–28.

Original Russian Text Copyright © 2001 by Kiselev, Lyuboshitz.

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Kiselev, Y.F., Lyuboshitz, V.L. Dynamical polarization of radioactive nuclei. Phys. Atom. Nuclei 64, 17–26 (2001). https://doi.org/10.1134/1.1344938

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