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  • 1985-1989  (1)
  • 1980-1984  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Investigation of the50Cr(n, α)47Ti reaction atE n =14.1 MeV (1981)
    Springer
    The European physical journal 301 (1981), S. 327-334 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The energy and angular distribution of theα-particles from the50Cr(n, α) reaction for 14.1 MeV incident neutron energy was measured by means of a multitelescope system. The results are compared with calculations based on the statistical model of nuclear reactions including precompound processes. This comparison indicates that there is somewhat more emission of high energyα-particles than predicted from the conventional precompound model suggesting direct excitation of the lowest excited states of47Ti. No indication is found for a reduction of the effective moment of inertia below the rigid body value. From the shape of theα-spectrum in the backward hemisphere and the known total number of levels below (U=3 MeV the level density parameters of47Ti were determined asa=5.4±0.3 MeV−1 andΔ=−1.9±0.2 MeV in the framework of the back-shifted Fermi-Gas model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01421696
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Contact electron density in Au-alloys (1986)
    Springer
    Hyperfine interactions 28 (1986), S. 701-704 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract From a combination of measurements of the O and P shell internal conversion coefficients of the 35.8 keVγ-line in198Au and of197Au Mössbauer spectra in thin films of metallic gold, Au0.20Sc0.72 and Au0.06Cr0.92, the 6s electron density at the gold nuclei in these hosts was derived and an estimate of the change of the nuclear charge radius for the Mössbauer transition was made. The result is considerably larger than previously derived values, with which it can only be reconciled if a large shielding effect of the 5d electrons on inner shells exists.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02061543
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    Paper (German National Licenses)
    Fulltext
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