The Use of Numerical Calculation in the Analysis of Standardless Thick Target PIXE

Fan Qinmin; Zhong Ming

Chinese Physics C> 1988, Vol. 12> Issue(S2) : 109-116

The Use of Numerical Calculation in the Analysis of Standardless Thick Target PIXE

Fan Qinmin ,
Zhong Ming

Institute of High Energy Physics, Academia Sinica, Beijing

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Abstract：
In this paper the numerical calculation is used to correct the characteristic K-X ray intensities measured in the analysis of thick target PIXE for the following matrix effects: the slowing down of protons, the absorption of characteristic X-rays, and the enhancement of X-ray induced X-ray emission in the sample. The efficiency calibrations for PIXE analysis system are made by means of the Monte Cario technique in order to do standardless analysis. Based on this, the PIXE analysis on some self-made standard thick specimens is made. The results are in full agreement with the known values of contents.
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Fan Qinmin and Zhong Ming. The Use of Numerical Calculation in the Analysis of Standardless Thick Target PIXE[J]. Chinese Physics C, 1988, 12(S2): 109-116.

Fan Qinmin and Zhong Ming. The Use of Numerical Calculation in the Analysis of Standardless Thick Target PIXE[J]. Chinese Physics C, 1988, 12(S2): 109-116. shu

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Received: 1986-12-20

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Supported by the Science Foundation of Academia Sinica

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沈阳化工大学材料科学与工程学院沈阳 110142

The Use of Numerical Calculation in the Analysis of Standardless Thick Target PIXE

Fan Qinmin
Zhong Ming

Institute of High Energy Physics, Academia Sinica, Beijing

Received Date: 1986-12-20

Fund Project: Supported by the Science Foundation of Academia Sinica

Abstract: In this paper the numerical calculation is used to correct the characteristic K-X ray intensities measured in the analysis of thick target PIXE for the following matrix effects: the slowing down of protons, the absorption of characteristic X-rays, and the enhancement of X-ray induced X-ray emission in the sample. The efficiency calibrations for PIXE analysis system are made by means of the Monte Cario technique in order to do standardless analysis. Based on this, the PIXE analysis on some self-made standard thick specimens is made. The results are in full agreement with the known values of contents.