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Considerations on recombination losses in ionization chambers using pulsed electron beams with beam scanning
1Department of Radiotherapy, Städtische Kliniken Darmstadt, FRG.
International Journal of Radiation Oncology, Biology, Physics
|December 1, 1989
Abstract:
Based on Boag's theory, referring to saturation effects in ionization chambers with pulsed electron beams, we developed a simple method of determining recombination losses. The correction factors for chamber readings result from slope and intercept of a regression line M1/3 = f(M/V) obtained with at least two different chamber voltages, V, and chamber readings, M. The deviation of these correction factors, compared with those of Boag's precise theory, does not exceed +/- 0.5%.