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  • 1
    Electronic Resource
    Electronic Resource
    2-D reconstruction of elemental distribution within a sample using neutron capture prompt gamma-rays (1987)
    Springer
    Journal of radioanalytical and nuclear chemistry 112 (1987), S. 57-64 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The technique of emission tomography employing neutron capture prompt gamma-rays is described. Experiments have been carried out to demonstrate this technique employing a high flux reactor neutron beam using an HPGe detector and a scanning system which incorporates a BBC microcomputer for control, data acquisition, image reconstruction and display. Neutron tomography of the same object was also performed in order to correct the emission tomography results for the neutron flux depression within the sample. The images produced represent the intensity of the induced gamma-ray of interest, and hence the concentration of the isotope of interest.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02037276
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The importance of the geometrical factor in nuclear activation analysis (1987)
    Springer
    Journal of radioanalytical and nuclear chemistry 114 (1987), S. 195-202 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract When a beam of radiation is used as a probe in order to study the elemental composition of an object, the factors involved in obtaining maximum detection sensitivity include target homogeneity, beam uniformity and the solid angle subtended between target and detector. Here we have investigated, both theoretically and experimentally, the significance of these factors in an experimental facility for ‘in-vitro’ prompt gamma-ray neutron activation analysis and an arrangement used in ‘in-vivo’ activation analysis. The correction factor to the solid angle, to account for non-uniformity, and the optimisation of reaction rate and solid angle are considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02048891
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    Paper (German National Licenses)
    Fulltext
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