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    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/40402


    Title: ANGULAR-DEPENDENCE OF THE DETECTION LIMIT OF PIXE
    Authors: CHU TC;ISHII K;YAMADERA A;SEBATA M;MORITA S
    教師: 朱鐵吉
    Date: 1981
    Publisher: 0029-554X
    Keywords: Mylar foil
    proton beams
    PIXE
    Abstract: ©1981 Elsevier - A Mylar foil of 10-μm thickness was bombarded with 6-MeV proton beams. Continuum X-rays produced have been measured with a Si(Li) detector over an angular range θL = 43.5° – 148.5° with respect to the proton beam. On the basis of these continuum X-rays measured, the detection limit of PIXE has been estimated as a function of the detection angle and atomic number of the element to be detected; the measurement at an angle of θL 135° is found to be favorable to obtain high sensitivity. Continuum X-rays from Mylar foils of 4-, 10-, and 40-μm thicknesses bombarded with 6- and 20-MeV protons were also measured and the effect of escape of secondary electrons from the target on the continuum X-ray intensity is discussed.
    URI: http://www.elsevier.com/
    Elsevier
    http://nthur.lib.nthu.edu.tw/handle/987654321/40402
    Appears in Collections:[生醫工程與環境科學系] 期刊論文

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