Re: [fluka-discuss]: DETECT card

From: Giuseppe Battistoni <giuseppe.battistoni_at_mi.infn.it>
Date: Wed, 14 Sep 2016 11:40:08 +0200

Dear Andrea
preliminarly, before trying to understand in detail:
- for this application and energy you MUST use PRECISIO default
- setting EMFCUT in production and transport is absolutely necessary.

Why are you using DETECT? Is your goal just to score the
energy deposition of photons in lyso?
In that case you'd better use USRBIN by region to score ENERGY.
You can score on event-by-event base you
can use EVENTBIN, which has the same format as USRBIN.

You have USRBIN in your input but in cartesian coordinate
and just to score fluence of Photons and Electrons.

Can you try to correct and implement these
suggestions?
        
        Cheers
                Giuseppe

On 13/09/16 17:56, andrea russomando wrote:
> Dear Fluka experts
>
> I have a problem
>
> As exercise, I wanted to reproduce the first plot in this datasheet.
> http://www.crystals.saint-gobain.com/uploadedFiles/SG-Crystals/Documents/PreLude%20420%20data%20sheet.pdf
>
> I expected some differences between the data and the simulations, considering the low details about the experimental setup provided in the paper, but it is just to learn how to use the DETECT card
>
> I obtained this plot (calorime attached), and I canít understand why there is a bump between the Compton edge and the photopeak. I try to use different cards to treated properly the electromagnetic process, but without any success
>
> I tried to change the settings in the DEFAULTS card, and the only way to make the bump disappear is to use NEW-DEFA, but I canít understand why (new-defa attached)
>
> any help would be appreciate
>
> best regards
> andrea
>

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Received on Wed Sep 14 2016 - 13:05:47 CEST

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