Photon Energy
(MeV)
Relative number of interactions (%)
t s k
0.01
0.026
0.060
95
50
7
5
50
93
0
0
0
Table illustrating importance of various interactions with energy in H
2
O
*
Photons interaction with matter
0.150
4.00
10.00
24.00
100.00
0
0
0
0
0
100
94
77
50
16
0
6
23
50
84
*
F. Khan, The Physics of Radiotherapy