Energies(MeV) Cross Plane In Plane Diagonal
(X-axis)% (Y-axis)% X Y
4 0.51 0.24 1 0.12
6 0.31 0.25 0.86 0.32
8 0.29 0.14 0.75 0.22
10 0.02 0 0.36 0.11
12 0.01 0.02 0.38 0.36
15 0 0.1 0.32 0.28
18 0.01 0.03 0.42 0.36
Average 0.164286 0.111429 0.584286 0.252857
Std.dev. 0.204927 0.103349 0.27844 0.105942
Table 2b: Electron Beam Symmetry (10x10): At Depth of Maximum dose (dm) of respective energies.