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Das IJ, Bushe HS
Backscattering and Transmission through a High-Z Interface as a Measure of Electron-Beam Energy
Medical Physics (1994) 21:315-319.
The ratio of electron beam transmission (Tr) and backscattering (Bs) is used as a measure of beam energy. With a proper thickness of high Z medium placed at the surface of a low Z homogeneous medium, it is observed that the function log(Tr/Bs) is a linear function of electron energy. This method is applied to electrons produced with scattering foil and pulse-Swept (scanned) beams for the nominal energies ranging from 6 to 20 MeV. This technique provides a unique alternative method which is easy, simple, and accurate within +/-3% for estimation of electron beam energy.
Publication Date: 1994-02-01.
Last updated on Tuesday, August 11, 2020