Variation with particle size of the effective X-ray absorption coefficient of heterogeneous slabs

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, , Citation G B Mitra and A J C Wilson 1960 Br. J. Appl. Phys. 11 43 DOI 10.1088/0508-3443/11/1/308

0508-3443/11/1/43

Abstract

The effective absorption coefficient for transmission of X-rays through heterogeneous slabs differs from the weighted-mean absorption coefficient because of random fluctuations in the number of particles of each type of material along different parallel paths. The value of μeff is calculated for several models; for each it is less than < μ >, the difference becoming large for large particles.

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10.1088/0508-3443/11/1/308