Dear FLUKA Experts,
Suppose I want to calculate the fluence from vacuum to a spherical target .
What should be the expression for area that has to be given in USRBDX card
?? Is it 4*pi*r^2 or pi*r^2 ??
Note : Fluence is defined as dN/dA where dN the number of particles incident
on a sphere of cross-sectional area dA. And the cross sectional area of a
sphere is pi*r^2 .
With regards,
Riya Dey
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Received on Mon Mar 05 2018 - 10:44:55 CET