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Träfflista för sökning "WFRF:(Jonson Björn) srt2:(2005-2009);pers:(Wilhelmsen Katarina 1962);pers:(Riisager K.);srt2:(2005)"

Sökning: WFRF:(Jonson Björn) > (2005-2009) > Wilhelmsen Katarina 1962 > Riisager K. > (2005)

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1.
  • Diget, C. A., et al. (författare)
  • Properties of the C-12 10 MeV state determined through beta-decay
  • 2005
  • Ingår i: Nuclear Physics A. - 0375-9474. ; 760:1-2, s. 3
  • Tidskriftsartikel (refereegranskat)abstract
    • The beta-delayed triple-alpha particle decay of B-12 has been measured with a setup that favours coincidence detection. A broad state in C-12, previously reported around 10 MeV, has been seen and its properties determined through R-matrix analysis of the excitation spectrum. The spin and parity are 0(+). Interference between this state and the Hoyle state at 7.654 MeV has a marked influence on the spectrum. The coupling between the two states makes it difficult to determine the resonance energy. (c) 2005 Elsevier B.V. All rights reserved.
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2.
  • Knudsen, H. H., et al. (författare)
  • Beta-decay of 13O
  • 2005
  • Ingår i: Physical Review C. Nuclear Physics. - 0556-2813. ; 72:4
  • Tidskriftsartikel (refereegranskat)abstract
    • The beta decay of O-13 has been studied at the IGISOL facility of the Jyvaskyla accelerator centre (Finland). By developing a low-energy isotope-separated beam of O-13 and using a modern segmented charged-particle detector array an improved measurement of the delayed proton spectrum was possible. Protons with energy up to more than 12 MeV are measured and the corresponding log(ft) values extracted. A revised decay scheme is constructed. The connection to molecular states and the shell model is discussed.
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3.
  • Prezado, Y., et al. (författare)
  • Low-lying resonance states in the Be-9 continuum
  • 2005
  • Ingår i: Physics Letters B. - 0370-2693. ; 618:1-4, s. 43-50
  • Tidskriftsartikel (refereegranskat)abstract
    • Excited states in Be-9 from 2 to 9 MeV are studied via beta delayed particle emission from Li-9. The broad overlapping particle unbound states are investigated using an extension of an experimental method developed for dealing with three-body decays of broad isolated levels. The results confirm the existence of a broad state at 5 MeV, with a width of 2 MeV. Angular correlations are used for firm spin determinations for this and other levels. (c) 2005 Elsevier B.V. All rights reserved.
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