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  • 32.80.Hd  (2)
  • NUCLEAR AND HIGH-ENERGY PHYSICS  (1)
  • 1
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    Unknown
    Orbital electron capture by the nucleus (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The theory of nuclear electron capture is reviewed in the light of current understanding of weak interactions. Experimental methods and results regarding capture probabilities, capture ratios, and EC/Beta(+) ratios are summarized. Radiative electron capture is discussed, including both theory and experiment. Atomic wave function overlap and electron exchange effects are covered, as are atomic transitions that accompany nuclear electron capture. Tables are provided to assist the reader in determining quantities of interest for specific cases.
    Keywords: NUCLEAR AND HIGH-ENERGY PHYSICS
    Type: NASA-CR-147953
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
    Electronic Resource
    Electronic Resource
    Measurements ofL-subshell fluorescence yields for light and medium heavy elements (28≤Z≤47) (1988)
    Springer
    The European physical journal 7 (1988), S. 301-307 
    Details
    ISSN: 1434-6079
    Keywords: 32.30.Rj ; 32.80.Hd ; 34.80.Dp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report on the first determination ofL-subshell fluorescence yields, ωLi, for various elements with 28≤Z≤47. The method applied is based on the subshell ionization by relativistic electron impact with an electron energy ofE 0=50 keV and the detection of characteristic X rays by means of a high resolution crystal spectrometer calibrated absolutely with respect to its transmission and reflectivity. The number of initialL vacancies and its subshell distribution as well as the normalized X-ray transition probabilities, the Coster-Kronig yields and theK-shell Auger transition rates are taken from theory. The results obtained for ωLi yield values that are for all three subshells in agreement with the predictions of a widely used semi-empirical formula and for ω L2 and ω L3 also with theoretical calculations. The values of ω L1, however, exceed the theory systematically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01439799
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    A method to determineL-subshell ionization cross sections for medium and heavy elements (1986)
    Springer
    The European physical journal 3 (1986), S. 379-389 
    Details
    ISSN: 1434-6079
    Keywords: 32.30.Rj ; 32.80.Hd ; 34.50.Fa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have developed a method to determineL-subshell ionization cross sections and report here on the first measurements of electron inducedL-subshell cross sections for target elements (29≦Z≦79) at electron bombarding energies between 50≦E 0≦200 keV. The method involves the detection of characteristic X rays by means of a high resolution flat crystal spectrometer of known reflectivity and is based on the correlation of measured X ray intensities, Auger- and Coster-Kronig yields and radiative transition probabilities with theL-subshell cross section.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437196
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    Paper (German National Licenses)
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