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  • 1985-1989  (3)
  • 12-Substituted-14β-hydroxy steroids  (1)
  • 21.10.Re  (1)
  • 21.10.−k  (1)
Datenquelle
Materialart
Erscheinungszeitraum
Jahr
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  • 1
    Digitale Medien
    Digitale Medien
    High-spin spectroscopy of162Hf (1988)
    Springer
    The European physical journal 329 (1988), S. 289-299 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 21.10.Re ; 23.20.Lv ; 27.70.+q
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Excited states in162Hf were investigated up to spinI ≈ 38 using the anti-Comptonspectrometer array HERA with 21 detectors. In addition, some information was obtained on161Hf. The analysis of triple coincidences was crucial for the construction of the level schemes. The results are interpreted within the framework of the cranked shell model and are compared to neighbouring isotopes and isotones, showing Fermi level and deformation effects. The systematic behaviour of the band crossings in the Hf isotopes and theN=90 isotones is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01290234
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  • 2
    Digitale Medien
    Digitale Medien
    Lifetimes of excited states in164Hf (1989)
    Springer
    The European physical journal 334 (1989), S. 125-131 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 21.10.−k ; 23.20.Ck ; 27.70.+q
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Lifetimes of excited states in164Hf were measured using the Doppler-shift recoil-distance method. Gamma-gamma coincidences at eleven target-stopper distances were measured using the twelve Compton-suppressed Ge-detectors of the OSIRIS spectrometer. From the coincidence spectra the intensities of the Doppler-shifted and unshiftedγ-lines were determined. The quadrupole momentsQ tof transitions within the rotational bands derived from the lifetimes are constant within the experimental uncertainties up to the 18+ state. TheQ tvalue for the transition between the ground- and the neutroni 13 2/2 band (s-band) which is strongly reduced compared to the values of the in-band transitions is used to deduce a band interaction energy of 34 keV ≦V≦57 keV.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01294213
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  • 3
    Digitale Medien
    Digitale Medien
    γgauche effects in the 1H and 13C NMR spectra of steroids (1988)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 26 (1988), S. 85-88 
    Details
    ISSN: 0749-1581
    Schlagwort(e): 13C NMR ; 1H NMR ; 12-Substituted-14β-hydroxy steroids ; 14α-Steroids ; Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: γgauche effects of 12-substituted-14β-hydroxy- and 14α-steroids were studied by 1H and 13C NMR spectroscopy. A linear correlation was found between the 1H chemical shift of 4H-17 and the 13C shift of C-17 for C-12-substituted steroids. This correlation can be explained by steric interactions.
    Zusätzliches Material: 4 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/mrc.1260260118
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