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Tomographic gamma scanning(TGS) is a important technolagy in nondestructive assay. One of the key techniques in this technolagy is the correction factor for the self-attenuation in emission measurement. In present work, Monte-Carlo method is used to simul
One of the key techniques in this technolagy is the correction factor for the self-attenuation in emission measurement. In present work, the Monte-Carlo method is used to simul