Hi Alex,
If you take the function photons(E) that you plot in “spektasjpg.jpg’ and you compute <photons> = INT_{Emin,Emax}(photons(E) x dE) / (Emax-Emin), this will tell you how many photons/mm^2 in average you will produce per mAs of current for your x-ray source.
So, for a long enough simulation, you could just multiply the usual fluka normalization by that number:
(pSv/primary) x (photons/mAs) -------> (pSv/mAs) because primary=photons
of course this assumes that in your sampling ‘source.f’ routine you haven’t biased the weights of the starting photons.
-Mario
From: <owner-fluka-discuss_at_mi.infn.it> on behalf of Ševčik Aleksandras <aleksandras.sevcik_at_ktu.edu>
Date: Friday, August 18, 2017 at 1:25 PM
To: fluka-discuss <fluka-discuss_at_fluka.org>
Subject: [fluka-discuss]: Normalization of results for x-ray tube output / source.f
Dear experts,
I have made a test simulation but now I am not sure about the correct way to normalize the results.
I generated x-ray spectrum sample with SPEKTR 3.0 software, and using the help provided in this forum I was able to use modified source.f routine to re-create the beam and score the dose. I understand that that I get effective dose in pSv / primary. My question is what would be the correct approach to convert pSv/photon to pSv/mAs (x-ray Milliamp Seconds). Any comment / insight would be help,
Regards
Alex
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Received on Sat Aug 19 2017 - 02:39:21 CEST