Ebeam

(MeV)

Plain PP

50% Energy to e+e−

25% Energy to e+e−

Absorbed

(MeV)

Ratio

Absorbed

(MeV)

Ratio

Absorbed

(MeV)

Ratio

2.6

11,679,138

1

11,678,047

0.9999

11,661,676

0.9985

4.5

16,874,336

1

16,827,416

0.9972

16,672,792

0.9881

10

26,739,942

1

26,638,851

0.9962

26,280,160

0.9828

12

29,802,801

1

29,703,683

0.9967

29,305,896

0.9833