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10 2
I I
TORT" 1 Marine tissue
Ee" = 30 MeV at 44 IlA
tj=6h
td= 14
d
te= 12 h
10
II
I
0
500
1000
1500
2000
2500
3000
3500
4000
Channel number
Fig. 8.3
y-Ray spectrum following bombardment of TORT-l marine tissue with bremsstrahlung flux produced by 30
MeV electrons - irradiation time
= 6 h,
decay time
= 14 days, counting time
= 12 h (from [280]).