Re: spallation neutron yield of 100 MeV-Hg reaction boundary="------------030703070701010903030006"

From: Vasilis Vlachoudis <Vasilis.Vlachoudis@cern.ch>
Date: Wed Mar 26 2008 - 14:23:20 CET

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Dear Masithoh,

The problem with your input is the BEAM card. You are defining a proton
beam with energy 100MeV but with momentum spread WHAT(2) Dp(FWHM)=2.355
GeV! Change the Dp to 0 and you will a value close to Herrera et al paper.

Vasilis

df_masithoh wrote:
> dear FLUKA users
>
> I have simulated spallation reaction of thick Hg target with various proton
> energi in range 100 MeV - 1000 MeV. Some of them (100 MeV - 300 MeV)are
> attached.
> I want to know about the neutron yield.
> I read at "Accelerator Driven System Design FLUKA Exercise, ICTP Lecture" by
> Herrera Martinez and Yacine Kadi that it can be extracted from
> file_name00x.out
> But what i get from the file is :
> neutron yield for 100 MeV proton is 1.1xx E+01, 1.2xxE+01 for 200 MeV. (Too
> much higher isn't it?)
> And I get 2.9xx E+01 for 1000 MeV proton. (i think it's approach Herrera&Kadi
> result in their paper).
> Can you tell me what i did wrong?
> Any respons will be greatly appreciated.
> Thank you
>

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Received on Wed Mar 26 14:28:38 2008

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