Dear Alexander,
If you have correctly specified the volume of the region where you score the USRTRACK then the results would be pSv/Bq (decay) for DOSE-EQ or part./cm2/decay when you are scoring PHOTON. When calculating dose, FLUKA is multiplying the track length (cm) of the particle contributing to the fluence by a quantity with dimension pSv.cm2 and the sum of contributions is divided by the volume.
A primary particle in that case should be seen as one decay of Co-60. Look at the AUXSCORE card to select different dose quantities (effective dose, ambient dose equivalent….)
In practice for such applications, it is convenient to use USRBIN rather USRTRACK, you obtain a visualization with a colour map of your dose rate.
Normalization is done for uSv/h by multiplying by your source activity * 3600 / 1e6.
Hoping this help
Cheers
Joachim
From: owner-fluka-discuss_at_mi.infn.it [mailto:owner-fluka-discuss_at_mi.infn.it] On Behalf Of "Alexander Götzelmann (alexander.goetzelmann_at_hs-furtwangen.de)"
Sent: 29 May 2015 21:08
To: fluka-discuss_at_fluka.org
Subject: [fluka-discuss]: using USRTRACK to get the ambient dose rate
Dear FLUKA users,
I want to score the ambient dose rate outside of a container with a Co-60 source (isotropic beam, intensity of 1e11 Bq is not in the integrated in the Input, because I use RADDECAY in semi-analogue) inside.
Using USRTRACK with WHAT (2)="Photon" I get the fluence in (pr/cm/primary) in the sum.lis file (Tot. response).
1) my question is, what is the value (Tot. response) in the sum.lis file when I use USERTRACK with WHAT (2)="DOSE-EQ".
Am I right in the assumption that it's pSv/cm^2/primary?
2) How do I get from the value of 1) to the ambient dose rate (dH/dt), let's say in µSv/h.
Best regards,
Alexander Götzelmann
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Received on Sun May 31 2015 - 09:53:57 CEST