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Träfflista för sökning "WFRF:(Lotay G.) srt2:(2020-2023)"

Sökning: WFRF:(Lotay G.) > (2020-2023)

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1.
  • Andreyev, A. N., et al. (författare)
  • α decay of the neutron-deficient isotope 190At
  • 2023
  • Ingår i: Physical Review C. - 2469-9985. ; 108:3
  • Tidskriftsartikel (refereegranskat)abstract
    • The α decay of the neutron-deficient 190At isotope was observed following the 103Rh(90Zr,3n)190At reaction at Argonne National Laboratory. The reaction products were separated from the beam using the Argonne Gas-Filled Analyzer and implanted into a double-sided Si strip detector. The spatial and temporal correlations between implanted nuclei and subsequent α decays towards the known daughter isotope 186Bi were used to identify and characterize 190At nuclei. Two possible decay scenarios are proposed for the 190At→186Bi decay.
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2.
  • Carroll, R. J., et al. (författare)
  • γ -ray spectroscopy of a four-quasiparticle isomer band in Re 174
  • 2020
  • Ingår i: Physical Review C. - 2469-9985. ; 101:5
  • Tidskriftsartikel (refereegranskat)abstract
    • Excited states in Re174 have been populated in fusion-evaporation reactions at the Australian National University, and γ-ray spectroscopy has been used to determine the level structure and to deduce the underlying nucleon configurations. The half-life of the bandhead of the Kπ=8- band has been measured to be 2.7(4) ns. A band built on an isomeric state of spin-parity (14-) and a half-life of 53(5) ns has been observed here for the first time, and has been determined to have a four-quasiparticle structure. Contrasting reduced-hindrance values for its decay are discussed in terms of deformation and configuration changes, as indicated by configuration-constrained potential energy surface calculations.
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