Dear FLUKA Expert,
A RPP having dimension -1000 1000 -50 50 -50 50 (total volume 5E+6 cm^3)
has been created as a target and at the same position a volume source
(emitting positron with energy 633 keV) having the same dimension has been
introduced using source.f card.
Now consider the source contains 1Ci/m^3 activity and all the region is
filled with vacuum. This means total no of positron inside the source is
3.7E+10 (i.e Ci to Bq conversion) x 5E+6 particles per s.
Now if we use USRTRACK card inside the same geometry it should reproduce
this number i.e 3.7E+10 x 5E+6 particles per s.
How can we convert the volume averaged fluence value to total no of particle
inside the volume ? The USRTRACK output has a unit of particles cm^2 per
primary. To get total no of particle inside the volume, which area (cm^2) do
we have to multiply ? I have tried by multiplying the surface area of target
( here source and target dimension and location are same) , but I did not
get the above mentioned number (3.7E+10 x 5E+6 particles per s). I got
values higher than that.
Thanks and Regards
Riya Dey
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Received on Fri Apr 12 2019 - 09:33:33 CEST