Hi Andrea
at an admittedly superficial look, the peaks around 600 keV could be due
to Lu K X-ray escapes, you can check with their energies
Alfredo
+----------------------------------------------------------------------+
| Alfredo Ferrari || Tel.: +41.22.76.76119 |
| CERN-EN/STI || Fax.: +41.22.76.69474 |
| 1211 Geneva 23 || e-mail: Alfredo.Ferrari_at_cern.ch |
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+----------------------------------------------------------------------+
On Thu, 15 Sep 2016, andrea russomando wrote:
> Dear Giuseppe
>
> thanks for your help
> I implemented your suggestions (PRECISIO and EMFCUT)
>
> I also wrote a script to read the scoring Eventbin on event-by-event base (plot root), but the result seem
> to me very close to the one obtained with the card DETECTE (plot detect)
>
> Still there are two lines at 600 keV that I’m not able to explain
>
> andrea
>
>
>
>
>
>
> Il giorno 14/set/2016, alle ore 06:40, Giuseppe Battistoni <Giuseppe.Battistoni_at_mi.infn.it> ha scritto:
>
>>
>> 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 can’t 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 can’t understand why (new-defa attached)
>>>
>>> any help would be appreciate
>>>
>>> best regards
>>> andrea
>>>
>>
>> --
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>> fax: +39 02 50317617
>>
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Received on Fri Sep 16 2016 - 11:11:01 CEST