Energies(MeV) Cross Plane(CP) CAD(mm) In Plane(IP) CAD(mm) Diagonal
% % X

CAD

Y
4 0.78 0.05 0.79 -1.7 0.8 -1.22 0.8
6 0.77 0.01 0.78 -1.67 0.77 -1.28 0.78
8 0.76 0 0.76 -1.69 0.75 -1.3 0.75
10 0.76 -0.43 0.75 -0.85 0.74 -1.22 0.74
12 0.75 -0.05 0.73 -1.7 0.72 -1.48 0.72
15 0.72 -0.07 0.71 -1.8 0.71 -1.39 0.71
18 0.71 -0.16 0.7 -1.81 0.67 -1.69 0.67

Average

0.75 -0.09286 0.745714 -1.60286 0.737143 -1.36857 0.73857

Std.dev.

0.02582 0.163372 0.034087 0.336537 0.042314 0.154018 0.04375
Table 1b: Electron Beam Flatness (10x10): At Depth of Maximum dose (dm) of respective energies.