Dose 2016

5.2

We continue with the number of particles differential in track length dL

The number of particle differential in track length dL in one direction Ω was

ur

ur

L d (Ω)

a (Ω) d d h(x,y) Ω

= Φ Ω ⋅

We need the differential track length over all directions .

 

 Ω

∫

ur

d (Ω) L d



Requires integration over all directions :

4

π

and yields the total number differential in track length:

 

 

∫

ur

( ) = Φ Ω Ω ⋅

Ω

( , ) d da h x y d

dL

Ω

4

π

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