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  • 23.20  (3)
  • 25.70  (2)
  • Springer  (4)
  • American Association of Petroleum Geologists
  • American Chemical Society
  • 1985-1989  (4)
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  • Springer  (4)
  • American Association of Petroleum Geologists
  • American Chemical Society
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Gyromagnetic ratios of 4+ and 6+ states in156Gd and158Gd (1988)
    Springer
    The European physical journal 331 (1988), S. 277-286 
    Details
    ISSN: 1434-601X
    Keywords: 23.20 ; 27.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The followingg-factors have been derived from time integral measurements of γ-γ angular correlations in the static magnetic hyperfine field of magnetized gadolinium metal probes:156Gd:g(4 1 + )=+0.310(19)g(6 1 + )=+0.25(21)g(4 3 + , 1511 keV)=+0.809(27)158Gd:g(4 1 + )=+0.409(15). The 5.35d 156Tb sources were produced by the reaction156Gd(d, 2n)156Tb in our cyclotron. A carrier-free 150y 158Tb source was obtained from ISOLDE/CERN. In comparison with the precisely knowng-factors of the 2 1 + states,g(2 1 su+ ,156Gd) =+0.386(4) andg(2 1 + ,158Gd)=0.381(4), we observe a large reduction for the156Gd 4 1 + state whereasg increases slightly for158Gd. The half-life of the 4 1 + state of158Gd was remeasured as158Gd:T 1/2(4 1 + )=148(2) ps. A measurement of the rotation in the 4 3 + state of156Gd in external magnetic fields of various strengths up toB ext=9.5 T did not confirm the anomalous dependence of the magnetic hyperfine field in gadolinium metal on the external field, which has been reported by Persson et al. [29].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01355597
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  • 2
    Electronic Resource
    Electronic Resource
    Conversion processes in superheavy and giant atoms (1986)
    Springer
    The European physical journal 323 (1986), S. 139-155 
    Details
    ISSN: 1434-601X
    Keywords: 23.20 ; 25.70 ; 36.90
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Conversion of bound state electrons and internale +,e −-pair creation in superheavy and giant atoms are investigated. We consider various nuclear transitions of multipolaritiesE0, EL andML (L≧1) in superheavy atoms with Z〉109. We are concerned in particular with the pecularities of conversion processes in supercritical systems. Our theoretical studies are confronted with the prominent peak structures observed in positron spectra of very heavy collision systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01290305
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  • 3
    Electronic Resource
    Electronic Resource
    Yrast states in81Br and82Br (1986)
    Springer
    The European physical journal 324 (1986), S. 127-137 
    Details
    ISSN: 1434-601X
    Keywords: 21.10 ; 23.20 ; 27.50+e
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Levels in81Br and82Br have been investigated up to spin 21/2 and 10ħ, respectively, on the basis of in-beamγ-ray spectroscopy inα and deuteron induced reactions. In81Br a 3-quasiparticle (qp) band built on a (13/2−) level at 2.55 MeV has been established besides the bands built on thep 3/2 andg 9/2 proton excitations. The 3qp configuration is interpreted to include at least oneg 9/2 proton. The structures observed in the doublyodd nucleus82Br are associated withg 9/2 proton and/or neutron excitations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01325124
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  • 4
    Electronic Resource
    Electronic Resource
    Nucleon transfer reactions to rotational states induced by206, 208Pb projectiles (1986)
    Springer
    The European physical journal 325 (1986), S. 457-466 
    Details
    ISSN: 1434-601X
    Keywords: 25.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In a systematic study of nucleon transfer reactions accompanied by Coulomb excitation we have bombarded152Sm,160Gd and232Th with206, 208pb beams at incident energies close to the Coulomb barrier. Particle-gamma coincidence techniques were used to identify excited states of reaction products populated through inelastic scattering and in nucleon transfer reactions. One-neutron stripping and pick-up reactions on152Sm were observed leading to known states of the rotation alignedi 13/2-bands in153Sm and151Sm. In the160Gd+206, 208Pb systems no significant population of low lying states of product nuclei was found in the nucleon-transfer channels. Large cross sections were observed for one- and two-neutron pick-up from232Th at an incident energy of 6.4 MeV/u. Around the grazing angle they are of the same order of magnitude as the cross section measured for inelastic scattering. The results are analyzed in the framework of semiclassical models.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01290049
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