Thanks for the replay Luigi,
I run this minimal inp file with different gamma energies: 0.1, 0.5, 5, 10
MeV.
Thanks again
Micha Weiss
On Fri, May 31, 2019 at 12:55 PM Luigi Salvatore Esposito <
luigi.salvatore.esposito_at_cern.ch> wrote:
> Dear Micha,
> could you possibly send your input?
> Thanks, luigi
>
> On 31 May 2019, at 09:11, micha weiss <michaweiss89_at_gmail.com> wrote:
>
> Hey FLUKA experts..
> I am trying to compare dose-EM in region binning (path length estimator)
> to the difference of energy of outgoing to incoming gamma and E+E-
> estimated by USRBDX (surface estimator).
>
> I have a 5^3 cm^3 LIF crystal and I use a 0.1,0.5,5,10 MeV gamma source.
>
> I take the current (DI/DE) passing the surface multiply by the width of
> the bin and multyply by the energy per bin (DI/DE)*DE*E the I sum the bins.
> My understanding that this is the energy passing the surface. I then take
> the difference of the outgoing to the incoming gamma and E+-E+ energy to
> the LIF crystal and divide it by density of LIF. This is the same as
> dose-EM.
>
> For dos-EM per region in USRBIN I just divide by the volume to get correct
> units.
>
> When I divide what I get for dose-EM from USRBIN by USRBDX they are almost
> identical but I get that there is a deviation that depends on the gamma
> source energy.
> (dose-EM)_USRBDX/(dose-EM)_USRBIN = 0.90 for 0.1 MeV gamaa
> (dose-EM)_USRBDX/(dose-EM)_USRBIN = 0.99 for 0.5 MeV gamaa
> (dose-EM)_USRBDX/(dose-EM)_USRBIN = 1.05 for 5 MeV gamaa
> (dose-EM)_USRBDX/(dose-EM)_USRBIN = 1.15 for 10 MeV gamaa
> What am I doing incorrectly?
>
> Thank you for the help.
>
>
>
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Received on Sun Jun 02 2019 - 08:43:31 CEST