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The structure of 99Ru from (α,3n) reaction

  • Nuclear structure and reactions
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The European Physical Journal A - Hadrons and Nuclei Aims and scope Submit manuscript

Abstract:

The results of in-beam investigations of excited states of 99Ru using the 98Mo(α,3n) reaction are presented. Angular distributions of γ–rays and γ–γ coincidences have been measured. Excited states have been identified up to an energy of E = 5603 keV and spin of Iπ= 31/2−. Mean lifetimes τ have been determined using the DSA method for eleven levels. Aligned angular momenta are discussed and the probable (νh 11/2) origin of a backbending at frequency about 0.5 MeV was confirmed. The possible role of (νd 5/2) alignment at frequencies above 0.5 MeV was pointed out.

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Authors and Affiliations

  1. Nuclear Physics Institute, Academy of Sciences of the Czech Republic, Řež near Prague, Czech Republic (e-mail: honusek@ujf.cas.cz), , , , , , CZ

    J. Mrázek, M. Honusek, A. Špalek, J. Bielčík, J. Slívová & J. Adam

  2. Physical–Technical Institute “A.F. Joffe”, Cyclotron Laboratory, ul. Politechnitscheskaja 26, 194021 St. Petersburg, Russia, , , , , , RU

    A.A. Pasternak

Authors
  1. J. Mrázek
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  2. M. Honusek
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  3. A. Špalek
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  4. J. Bielčík
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  5. J. Slívová
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  6. J. Adam
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  7. A.A. Pasternak
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Additional information

Received: 13 January 1999 / Revised version: 26 March 1999

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Mrázek, J., Honusek, M., Špalek, A. et al. The structure of 99Ru from (α,3n) reaction . Eur. Phys. J. A 5, 399–408 (1999). https://doi.org/10.1007/s100500050303

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  • DOI: https://doi.org/10.1007/s100500050303

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