A method for determining removabilities of Compton scattering component at a LiF monochromator. By using a calcite single crystal.

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  • モノクロメーターのＣｏｍｐｔｏｎ散乱成分除去率の測定　　単結晶を用いる方法

Abstract

The resolution of the LiF monochromator was estimated by comparing the X-ray intensity obtained as a result of the energy distribution measurements of the white X-ray reflected by the single crystal of calcite with and without the presence of the monochromator in the path. It was assumed that the profile of the characteristic Ka X-ray of molybdenum emitted from the X-ray tube and, reflected by the calcite crystal, is equal to that of the Compton scattering component, the intensity of which is proportional to the resolution of monochromator. Then, the removability of the Compton scattering component generated at the monochromator was calculated. The data obtained was accurate enough for the practical use in the X-ray diffractometry. It was noticed that the removability of a X-ray tube used for long time was poorer than that of the new one.

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