The Applications of Track Calculations to Radiobiology I. Monte Carlo Simulation of Proton Tracks

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Abstract
In this detailed Monte Carlo proton transport code in water vapor all important interaction types (elastic scattering, 5 levels of ionization, 12 types of excitation) are considered explicitly. All cross sections are based closely on experimental data. The proton energy range considered is 0.3-1.5 MeV since this is the range of available experimental ionization cross sections. Results are presented in terms of energy partitions, w values [mean energy lost per ion pair], stopping powers and radial dose distributions, all showing agreement with the experiment. [The effects of ionizing radiation on living systems is discussed.].