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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
We need the differential track length
over all directions
.
L
a
d (Ω)
(Ω) d d h(x,y)
Ω
= Φ Ω ⋅
ur
ur
5.2
Requires integration over all directions
:
and yields the total number differential in track length:
4
( )
( , )
dL
d da h x y d
Ω
π
= Φ Ω Ω ⋅
Ω
∫
ur
4
d (Ω)
L d
π
Ω
∫
ur
57