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  • 25.85.Ge  (1)
  • Basal ganglia  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Isomeric yield ratios of fission products in the system of 24 MeV proton-induced fission of238U (1993)
    Springer
    The European physical journal 347 (1993), S. 53-62 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 25.85.Ge
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Isomeric yield ratios of 30 fission products in 24 MeV proton-induced fission of238U were measured by the use of the ion-guide isotope separator on-line. The obtained isomeric yield ratios were converted to the angular momenta of primary fission fragments based on the statistical model. The deduced angular momenta were examined from various aspects. It is found that in general the angular momentum continuously increases with the fragment mass number including the region of symmetric mass division. However, there are some exceptions. For Sn isotopes the deduced angular momenta are quite small due to the spherical shape of the nuclear shell configuration. It is also concluded from the consideration of the charge distribution that the angular momentum of fission product scatters considerably within the narrow range of mass division. The dependence of the angular momentum on the available energy of fragments at scission point indicates that the individual fragment possesses a characteristic deformation at scission and/or the deduced angular momentum is seriously affected by the particle excitation after scission.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01301277
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  • 2
    Digitale Medien
    Digitale Medien
    Changes in the basal ganglia and thalamus following reperfusion after complete cerebral ischaemia (1994)
    Springer
    Neuroradiology 36 (1994), S. 605-607 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Magnetic resonance imaging ; Basal ganglia ; Thalamus ; Complete cerebral ischaemia ; Cardiac arrest
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We report specific changes bilaterally in the basal ganglia and thalamus following reperfusion after complete cerebral ischaemia. A 69-year-old man, resuscitated after cardiac arrest, showed symmetrical lowdensity lesions in the head of the caudate nucleus and lentiform nucleus on CT. MRI revealed methaemoglobin derived from minor haemorrhage in the basal ganglia and thalamus, not evident on CT. We suggest that this haemorrhage results from diapedesis of red blood cells through the damaged capillary endothelium following reperfusion.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00600418
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