FIGURE 1-4 The dose mean restricted and unrestricted linear energy transfer for electrons liberated by monoenergetic photons of energy Eph. The dots and squares give the values for the 29 kVp and the 200 kVp X-rays. They are plotted at the weighted photon energies of the X-ray spectra. SOURCE: Data from Kellerer (2002).

FIGURE 1-5 Measured dose average lineal energy, yD, for monoenergetic photons and for different simulated site diameters, d. SOURCE: Data from Kliauga and Dvorak (1978).



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