EntityQ127526· pop 12· linked from 13 articleshalf-value thicknessSign in to savethickness of an attenuating layer which reduces the value of a quantity to half of its initial valueConnectionsradiationEntitymean free pathEntityintensityEntityradiation protectionEntityattenuationEntityexposureEntitykermaEntityattenuation coefficientEntityiridium-192EntityCategoriesRadiation health effectsRadiometry