Proton Depth-Dose Dosimetry

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Abstract
Glass rod microdosimeters and alanine were irradiated with proton energies ranging from 6.8 to 400 Mev. Exposures were made under conditions of minimal scatter as well as in several phantoms which included stationary blocks and rotated Lucite and Masonite cylinders. In addition to these, 2 specially constructed primate phantoms were irradiated in the same manner as the primates used for the biological experiments. The depth-dose measurements are considered in the light of calculations made with a digital computer, and the calculated depth-dose distributions in representative tissue phantoms are presented for 32-Mev, 55-Mev, 138-Mev, 250-Mev, and 400-Mev proton exposures.