Energies(MeV) Cross Plane(CP) CAD(mm) In Plane(IP) CAD(mm) Diagonal
% % X CAD Y CAD
4 0.88 -0.1 0.89 -4.96 0.87 -3.64 0.86 3.42
6 0.87 0.32 0.88 -3.22 0.88 -1.17 0.87 2.78
8 0.86 0.37 0.86 -3.25 0.86 -1.03 0.86 2.73
10 0.86 0.29 0.87 -3.39 0.87 -1.34 0.86 2.57
12 0.86 0.33 0.86 -3.39 0.86 -1.3 0.86 2.51
15 0.85 0.29 0.86 -3.44 0.85 -1.4 0.85 2.52
18 0.83 0.27 0.83 -3.42 0.79 -1.3 0.8 2.52
Average 0.858571 0.252857 0.864286 -3.58143 0.854286 -1.59714 0.851429 2.721429
Std.dev. 0.015736 0.15903 0.019024 0.613771 0.029921 0.909115 0.023401 0.326672
Table 1d: Electron Beam Flatness (20x20): At Depth of Maximum dose (dm) of respective energies.