EXPERIMENTAL AND COMPUTATIONAL DETERMINATION OF THE DOSE CHARACTERISTICS OF A STANDARD SOURCE OF γ-RADIATION

摘要

The absorbed dose in a calorimeter is compared with Monte Carlo calculations for a standard source of exposure dose of γ-radiation from ~(60)Co. It is shown that if the initial y-radiation spectrum is known to a high degree of accuracy, then a mathematical model of the interaction of particles and γ-rays with matter can be used to calculate the absorbed dose in a detector and the exposure dose in air to within several percent. This makes it possible to develop an experimental-computational method of transferring the dimensional units for the exposure dose and dose rate from a static standard to working means of measurement and pulsed bremsstrahlung sources.