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Measurement of replacement factors for a parallel-plate chamber
1University of Massachusetts Medical Center, Department of Radiation Oncology, Worcester 01655.
Medical Physics
|September 1, 1989
Abstract:
We have measured the replacement correction factors (Prepl) for a PTW/Markus parallel plate chamber at mean incident electron energies of 3.1, 4.4, 8.9, 13.0, 16.3, and 18.8 MeV. The factors are significantly different from unity at low energies.