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. 2018 Feb 19;23(2):105–113. doi: 10.1016/j.rpor.2018.01.002

Table 1.

The dm (cm) values and slopes of plots versus air gap (g) for different electron energies and field sizes.

Field size (cm2) 10 × 10
 15 × 15
 20 × 20
 25 × 25
Electron energy (MeV) dm Slope dm Slope dm Slope dm Slope
5 1.2 0.01142 1.2 0.01035 1.2 0.00949 1.2 0.00945
7 1.8 0.01068 1.8 0.01003 1.8 0.00953 1.8 0.00956
8 2.1 0.01037 2.0 0.00990 2.1 0.00949 2.1 0.00968
10 2.5 0.01022 2.4 0.00974 2.6 0.00934 2.5 0.00943
12 2.9 0.01022 2.9 0.00960 2.8 0.00930 3.1 0.00946
14 3.0 0.01041 3.0 0.00987 3.0 .0.00949 3.2 0.00960