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E1-M2-E3 mixing of the 1241.7 keV transition in147Yb

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Zeitschrift für Physik

Abstract

The half-life of theI,K π=2, 2− state at 1318 keV in174Yb has been measured in the173Yb(n, γ) reaction to be 0.486±0.015 ns. This half-life determines the absolute transition probabilities of the gamma-ray transitions to the ground state rotational band yielding the following hindrance factors relative to the Weisskopf estimate:F W(M 2; 2, 2−→0, 0+)=350;F W(M2; 2, 2−→2, 0+)≧77F W(M 2;2, 2−→4, 0+)>740;F W(E 1; 2, 2−→2, 0+)=4.5×106;F W(E 3; 2, 2−→2, 0+)≈0.1;F W(E 3; 2, 2−→4, 0+)≈0.4. These data are compared to analogous transitions in neighboring nuclei.

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Authors and Affiliations

  1. Physik-Department, Technische Universität München, Germany

    K. E. G. Löbner & J. A. Mirza (I.A.E.A. Fellow)

  2. From Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Rawalpindi, Pakistan

    J. A. Mirza (I.A.E.A. Fellow)

Authors
  1. K. E. G. Löbner
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  2. J. A. Mirza
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One of the authors (J.A.M.) gratefully acknowledges the award of a fellowship by the IAEA.

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Löbner, K.E.G., Mirza, J.A. E1-M2-E3 mixing of the 1241.7 keV transition in147Yb. Z. Physik 269, 407–409 (1974). https://doi.org/10.1007/BF01668614

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  • DOI: https://doi.org/10.1007/BF01668614

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