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  • 1975-1979  (2)
  • 1977  (2)
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  • 1975-1979  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    On the possible existence of superheavy elements in monazite (1977)
    Springer
    The European physical journal 280 (1977), S. 39-44 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Proton-induced x-ray studies of monazite grains from different occurrences show no evidence for primordial superheavy elements. It is demonstrated that the recently reported evidence for superheavy elements in monazite inclusions of biotite mica showing giant halo formation is not significant: the observed differences in the x-ray spectra of normal and giant halo inclusions are due to different backgrounds in the respective spectra. Moreover, it is shown that the 27.2 keV line tentatively interpreted as theL α1x-ray of elementZ=126 can be entirely attributed to the reaction140Ce(p,n γ)140Pr.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01438107
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Asymptotic attenuation coefficients in random perturbations of Angular Correlations (1977)
    Springer
    The European physical journal 280 (1977), S. 329-339 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The time-differential attenuation coefficients for randomly fluctuating interactions in isotropic systems are shown to be of the simple exponential type (well known from the first order treatment of Abragam and Pound) fort≫Τ c , notwithstanding the strength of 〈Ω2〉1/2Τ c . Explicit expressions for the relaxation constant are given which are strongly dependent on the strength of 〈Ω2〉1/2Τ c and on the type of interaction but prove to be virtually independent of the stochastic model assumptions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01435441
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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