Hyperfine field of einsteinium in iron and nuclear magnetic moment of Es254

N. Severijns, A. A. Belyaev, A. L. Erzinkyan, P. -D. Eversheim, V. T. Filimonov, V. V. Golovko, G. M. Gurevich, P. Herzog, I. S. Kraev, A. A. Lukhanin, V. I. Noga, V. P. Parfenova, T. Phalet, A. V. Rusakov, M. Tandecki, Yu. G. Toporov, C. Tramm, E. Traykov, S. Van Gorp, V. N. Vyachin, F. Wauters, D. Zákoucký, and E. Zotov
Phys. Rev. C 79, 064322 – Published 29 June 2009

Abstract

The angular distributions of γ rays and α particles from oriented Bk250, Es253,254, and Fm255 nuclei were investigated to extract hyperfine interaction information for these actinide impurities in an iron host lattice. The hyperfine field of einsteinium in iron was found to be |Bhf(EsFe̲|)=396(32) T. With this value the magnetic moment of Es254 was then determined as |μ|=4.35(41)μN.

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  • Received 15 April 2009

DOI:https://doi.org/10.1103/PhysRevC.79.064322

©2009 American Physical Society

Authors & Affiliations

N. Severijns1,*, A. A. Belyaev2, A. L. Erzinkyan3, P. -D. Eversheim4, V. T. Filimonov5, V. V. Golovko6, G. M. Gurevich7, P. Herzog4, I. S. Kraev1, A. A. Lukhanin2, V. I. Noga2, V. P. Parfenova3, T. Phalet1, A. V. Rusakov7, M. Tandecki1, Yu. G. Toporov5, C. Tramm4, E. Traykov1, S. Van Gorp1, V. N. Vyachin8, F. Wauters1, D. Zákoucký9, and E. Zotov5

  • 1Instituut voor Kern-en Stralingsfysica, K. U. Leuven, B-3001 Leuven, Belgium
  • 2Kharkov Institute of Physics and Technology, 61108 Kharkov, Ukraine
  • 3Institute of Nuclear Physics, Moscow State University, RU-119992 Moscow, Russia
  • 4Helmholtz-Institut für Strahlen-und Kernphysik, Universität Bonn, D-53115 Bonn, Germany
  • 5Research Institute for Atomic Reactors, RU-433510 Dimitrovgrad-10, Russia
  • 6Department of Physics, Queen's University, Stirling Hall, Kingston, Ontario, Canada K7L3N6
  • 7Institute for Nuclear Research, Russian Academy of Sciences, RU-119312 Moscow, Russia
  • 8RFNC All-Russian Scientific Research Institute of Exper. Physics, RU-607190 Sarov, Russia
  • 9Nuclear Physics Institute, Academy of Sciences of Czech Republic, CZ-25068 Řež, Czech Republic

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Issue

Vol. 79, Iss. 6 — June 2009

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