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KMID : 0896219780040010061
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Journal of Daegu Health College
1978 Volume.4 No. 1 p.61 ~ p.65
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Calculation of photoelectric Yield by X-RAY
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Song Jae-Kwan
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Abstract
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X-rays contribute to electron emission om material surfaces primarily through iotoelectric interaction. A simple model ; described for predicting the yield and nergy spectrum of photon and Auger elctrons emitted from materials exposed o X-ray with low energy. In this paper, we have calculated the yield of primary, Auger, and secondary ectrons. The results of the photoelecic yield mode developed here suggests 1) The angular distribution of emitted electrons (Perunit angle) is proportional to sinθ cosθ for all electron energies and all componants (Primary, Auger, or secondary) II) The shape of the energy specturm of the photoelectric yield is independent of angle. III) For thin targets the forward and backward photoelectric yields are identical
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KEYWORD
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