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Dose through kernel integration
(
)
(
) (
)
Field
, ,
,
,
, d d
p
D x y z
x y
x x y y z x y
Ψ
ρ
′ ′
′
′
′
′
=
⋅
− −
∫∫
K
and
k
are other
common notations
Incident
photons (
Ψ
)
Ψ
(
x
’,
y
’)
(
x
,
y
,
z
)
z
2
2
(
) (
)
r
x x
y y
′
′
′
= − + −
Field
(
x’
,
y’,z
)
r’
r’
r’
(
)
,
,
p
x x y y z
ρ
′
′
− −