Dose 2016
Summary
3) A radiation transport formula can be derived from bookkeeping process of particles in the phase space:
j,E, Ω = Ω −Ω∇Φ − ⋅ Φ + ∫ ur σ , j att d d j E
N
d
j
d
V
attenuation term
net number
through surface
' ⋅ Φ Ω + j j
3
∑∫ ∫ σ
d ' d ' E Q V d
'
j
j
→
' 1 jE
= Ω
secondary particle production
source term
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