IMRT 2018
adapted from Ahnesjö and Aspradikis 1999 (PMB 44(11))
Photons from Target
photon radiant energy
charged particle kinetic energy
deposited energy
air
primary collimator, flattening filter , leaves&jaws
contaminant electrons
energy deposited by contaminant electrons
secondary photons (head scatter)
primary photons
scattered primary photons
scattered secondary photons
secondary charged particles
primary charged particles
charged particles from scattered prim. photons
charged particles from scattered sec. photons
deposited secondary energy
deposited primary energy
Bremsstrahlung and annihilation photons
deposited scatter energy
deposited scatter energy
Bremsstrahlung and annihilation photons
charged particles from Bremsstrahlung and annihilation photons
Bremsstrahlung and annihilation energy deposited
Bremsstrahlung and annihilation energy deposited
charged particles from Bremsstrahlung and annihilation photons
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