RE: [fluka-discuss]: Dose measurements conversion using source file

From: Masoomeh Yarmohammadi Satri <masoomeh.yarmohammadi.satri_at_cern.ch>
Date: Wed, 8 Mar 2017 16:26:09 +0000

Dear Luigi and All,

I need to use biasing for improving the statistical error for the scored Dose equivalent after a concrete wall, then I can trust to the data. For converting the Dose Equivalent data from (pSv/primary) to microSv/h I used multiplication of this result by the number of electrons [current x time / (unit charge)]. Please let me know if I need to add the biasing as a factor to this multiplication.


The file is attached

Best regards,
Masoomeh


________________________________
From: owner-fluka-discuss_at_mi.infn.it [owner-fluka-discuss_at_mi.infn.it] on behalf of Luigi Salvatore Esposito [luigi.salvatore.esposito_at_cern.ch]
Sent: 28 February 2017 12:28
To: Boyu Meng
Cc: fluka-discuss_at_fluka.org
Subject: Re: [fluka-discuss]: Dose measurements conversion using source file

Dear Boyu,
this is a two-step calculations.
You can find some insights (and warnings as well) in this thread
http://www.fluka.org/web_archive/earchive/new-fluka-discuss/5989.html
Following the recipe, you get dose per primary electron. Eventually you need to multiply this result by the number of electrons [current x time / (unit charge)]
to get your final result.
In case you need more guidance, please let us know.
Best, luigi

On 28 Feb 2017, at 05:17, Boyu Meng <boyu.meng_at_duke.edu<mailto:boyu.meng_at_duke.edu>> wrote:

Greetings, FLUKA experts

 I am building a Monte Carlo simulation model for low energy x-ray dosimetry measurements.

 Photon is generated by simulating a low energy electron beam hitting a target. I collected the photon spectrum and created a source file using the spectrum. Simulation using the source file is simulating photon source to improve the efficiency of the program. I use USERBIN X-Y-Z dose to score the dose. To my understanding the result of this simulation is going to give me dose/event which is dose /photon, but I need dose/mAs. However since I used a source file and simulation photons directly, the unit conversion is tricky. Has any other people had experience with this problem before?

 Thank you very much for your help!

Sincerely,
Boyu
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Received on Wed Mar 08 2017 - 18:37:58 CET

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