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Basic Monte Carlo Steps

Sample energy of photon created by electron

Sample angles

and

between incoming electron and created photon

Select distance to the first interaction

Probability that the photon will travel a distance

l

without interaction is

exp(-

m

l)

m

dl

is the probability to interact

Probability to interact between

l

and

l+dl

is given by

m

exp(-

m

l) dl

 

) ln(

1

) 1ln(

1

1

1

0

r

r

l

e

r

e

ds e

lP

l

l

l

s

   

 

m

m

m

m

m

m