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  • 1995-1999  (2)
  • 25.70.Gh  (1)
  • 27.60.+j  (1)
  • 23.20.Ck
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Erscheinungszeitraum
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  • 1
    Digitale Medien
    Digitale Medien
    Yrast states in the doubly-odd nucleus100Tc (1995)
    Springer
    The European physical journal 352 (1995), S. 247-255 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 21.10.Hw ; 27.60.+j ; 23.20.Lv
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract High spin states up toJ=14 and excitation energy up toE *=3076 keV have been observed in the odd-odd nucleus100Tc with the reaction96Zr(7Li, 3n), at bombarding energies between 21 and 31 MeV, by in-beam γ spectroscopy and conversion-electron measurements. A ΔJ=1 negative parity band similar to that observed in theN=57 isotone102Rh, and based on the 8−, 708 keV state has been identified. The observed band can be interpreted in terms of collective core excitations based on a two-quasiparticle state of(πg9/2 ⊗ νh11/2) configuration. Comparison with IBFM-2 calculations have been performed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01289497
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  • 2
    Digitale Medien
    Digitale Medien
    Giant dipole resonance inA ∼ 40 hot nuclei from coincidence measurements (1995)
    Springer
    The European physical journal 352 (1995), S. 273-277 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 24.30.Cz ; 25.70.Gh
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The emission of high-energyγ-rays in the deexcitation of hot40Ca and39K nuclei formed in heavy-ion fusion reactions at excitation energyE x ∼ 90 MeV has been studied. The high energyγ-rays were measured in coincidence with evaporation residues or light charged particles. Theγ spectrum from the self-conjugated compound nucleus40Ca shows an appreciable yield suppression in the Giant Dipole Resonance (GDR) energy region with respect to the39K, due to isospin selection rules in the dipoleγ-decay. The spectral line shapes of theγ spectra are well reproduced by using a statistical code which treats explicitly the isospin quantum number in evaluating level densities and transmission coefficients. The GDR parameters determined from the present coincidence measurements are in good agreement with the systematic in theA ∼ 40 mass region at lower bombarding energy based on the analysis of inclusive spectra.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01289500
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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