Table 1 Peak dose and full-width at half-maximum (FWHM) obtained from x and y projections of the transverse beam profile at the focus depth, for different beam geometries obtained with the FLUKA MC code.
From: An experimental study of focused very high energy electron beams for radiotherapy
Peak dose (Gy) and FWHM (mm) | |||
---|---|---|---|
158 MeV, f/11.2 | 158 MeV, f/12.3 | 201 MeV, f/18.2 | |
Line focus | 13.82 Gy | 4.07 Gy | 34.65 Gy |
Symmetric focus | 10.03 Gy | 3.03 Gy | 11.98 Gy |
Collimated beam | 2.32 Gy | 0.92 Gy | 4.21 Gy |
FWHMx | 3.0 mm | 5.6 mm | 3.8 mm |
FWHMy | 2.0 mm | 5.9 mm | 3.7 mm |