Dose Course 2018_Flipping book

8

Point kernel based models

❑ Transport primary

o Kernels determined in water o Ray tracing of “energy released- TERMA” have the possibilities to be done in the medium or scaled water

( , 0) ∙ − ∙

,

= ∙ Φ 0

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either water or medium

o

o An approximation is that only the energy released in the voxel depends on the medium not the attenuation ❑ Managing the kernel o Transporting and depositing energy from the interaction point can be done either in scaled water or in the medium, thus;

or or

,

,

,

o

Dublin 2018