66 6. Interaction of Radiation with Matter
Fig. 6.8. Plot of linear attenuation coefficient of g-ray interaction in water (equiva-
lent to body tissue) as a function of photon energy. The relative contributions of
photoelectric, Compton, and pair production processes are illustrated.
Fig. 6.9. Attenuation coefficients for fat, muscle, bone, iodine, and lead as a func-
tion of photon energy. (Adapted with permission from Hendee WR.Medical Radi-
ation Physics. 1st ed. Chicago: Year Book Medical Publishers, Inc; 1970:221.)