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Decay properties of the 19/2− isomers in113,117Sb

  • Nuclear Structure and Reactions
  • Published:
Zeitschrift für Physik A Atomic Nuclei

Abstract

By means of the generalized centroid-shift method, the following half-lives were determined:T 1/2(3045 keV)=3.7±0.3 ns in113Sb using the reaction104Pd(12C,p2n) as well asT 1/2 (1322.8 keV)=3.5±0.3 ns,T 1/2(2779.8 keV) =0.50±0.15ns,T 1/2(2874.9 keV)<0.2 ns andT 1/2(3072.9 keV)<0.1 ns in117Sb using the116In(α, 2n) reaction. Three-quasiparticle configurations of the type πd 5/2ν(h11/2 d 3/2) in113,117Sb are found to dominate in the wave functions of the 19/2− states at 3045 and 2780 keV in113Sb and117Sb, respectively. TheB(E2, 19/2− → 15/2−) values in113–119Sb are discussed.

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Authors and Affiliations

  1. Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Boulevard Lenin 72, 1784, Sofia, Bulgaria

    L. K. Kostov, W. Andrejtscheff & L. G. Kostova

  2. Institut für Kernphysik der Universität zu Köln, Zülpicher Strasse 77, W-5000, Köln 41, Germany

    A. Dewald, G. Böhm, K. O. Zell & P. von Brentano

  3. Zentralinstitut für Kernforschung Rossendorf, Akademie der Wissenschaften, Postfach 19, O-8051, Dresden, Germany

    H. Prade, J. Döring & R. Schwengner

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  1. L. K. Kostov
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  2. W. Andrejtscheff
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  3. L. G. Kostova
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  4. A. Dewald
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  5. G. Böhm
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  6. K. O. Zell
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  7. P. von Brentano
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  8. H. Prade
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  9. J. Döring
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  10. R. Schwengner
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Additional information

Partly supported by the Bulgarian Minister for Science and Education under contracts No. 257 and 258

Partly funded by the German Minister for Research and Technology (BMFT) under contract No. 06 OK 143

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Kostov, L.K., Andrejtscheff, W., Kostova, L.G. et al. Decay properties of the 19/2− isomers in113,117Sb. Z. Physik A - Atomic Nuclei 337, 407–412 (1990). https://doi.org/10.1007/BF01294977

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  • DOI: https://doi.org/10.1007/BF01294977

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