POLYSTYRENE CALORIMETER FOR ELECTRON BEAM DOSE MEASUREMENTS

摘要

Calorimeters made from polystyrene have been constructed for dose measurement at 4-10 MeV electron accelerators. These calorimeters have been used successfully for a few years, and polystyrene calorimeters for use at energies down to 1 MeV are being tested. Advantages of polystyrene as the absorbing material are the radiation stability of this material and the fact that identical phantoms can be made for irradiation of other dosimeters for calibration. This provides a precise tool for establishing traceability of dose measurements at industrial electron accelerators.