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Improved energy of the 21.5 keV M1 + E2 nuclear transition in 151Eu

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Abstract.

Using internal conversion electron spectroscopy, improved energy 21 541.5±0.5 eV was determined for the 21.5keV M1 + E2 nuclear transition in 151Eu populated in the electron capture decay of 151Gd . This value was found to agree well with the present adopted value but is much more accurate. A value of 0.0305±0.0011 derived for the E2 admixture parameter \( \vert\delta(E2/M1)\vert\) from the measured conversion electron line intensities corresponds to the present adopted value. A possible effect of nuclear structure on the multipolarity of the 21.5 keV transition was also investigated.

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Authors and Affiliations

  1. Laboratory of Nuclear Problems, JINR, Dubna, Moscow Region, Russian Federation

    A. Kh. Inoyatov, A. Kovalík, D. V. Filosofov, L. L. Perevoshchikov & A. Baimukhanova

  2. Institute of Applied Physics, National University, Tashkent, Republic of Uzbekistan

    A. Kh. Inoyatov

  3. Nuclear Physics Institute of the ASCR, CZ-25068, Řež near Prague, Czech Republic

    A. Kovalík & M. Ryšavý

  4. Institute of Nuclear Physics, Ibragimov St. 1, 050032, Almaty, Kazakhstan

    A. Baimukhanova

Authors
  1. A. Kh. Inoyatov
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  2. A. Kovalík
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  3. D. V. Filosofov
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  4. M. Ryšavý
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  5. L. L. Perevoshchikov
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  6. A. Baimukhanova
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Correspondence to A. Kh. Inoyatov.

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Communicated by R.K. Bhandari

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Inoyatov, A.K., Kovalík, A., Filosofov, D.V. et al. Improved energy of the 21.5 keV M1 + E2 nuclear transition in 151Eu. Eur. Phys. J. A 52, 133 (2016). https://doi.org/10.1140/epja/i2016-16133-y

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  • DOI: https://doi.org/10.1140/epja/i2016-16133-y

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