Dear Paola,
Thanks so much for your fast reply.
Then, what should I do to export/get the total energy deposited in a volume?
Regards,
Tamer
On 3/22/2020 2:22 PM, Paola Sala wrote:
> Dear Tamer,
>
> Almost all FLUKA estimators (usrbin, usrbdx etc) give results
> normalized per primary particle.
> Thus, they do NOT depend on the number of cycles, nor on the number of
> primaries in the START card.
> Regards
> Paola
>
>> Dear fluka experts,
>>
>> In my "usual" fluka simplified model, usbrea.inp, I am scoring the
>> energy in a specified region, which was hit by a proton beam. Then I am
>> using usbrea code to export the integrated energy deposited in this
>> region for different beam intensities.
>>
>> The problem: I realized that, for a fixed beam energy, increasing the
>> number of runs, hence the number of primaries/beam intensity, does NOT
>> change the value of the integrated energy deposited in the target volume?!
>>
>> Attached, you will find:
>>
>> - usbrea_3Runs_98.bnn file: integrated binary file using flair, for 3
>> Runs (each of 1000 primaries, i.e. 3000 pot).
>>
>> - usbrea_10Runs_98.bnn file: integrated binary file using flair, for 10
>> Runs (each of 1000 primaries, i.e. 10000 pot).
>>
>> - Edep_3Runs.txt file: formatted file for the integrated deposited
>> energy in the specified region, generated by applying usbrea code on
>> usbrea_3Runs_98.bnn.
>>
>> - Edep_10Runs.txt file: formatted file for the integrated deposited
>> energy in the specified region, generated by applying usbrea code on
>> usbrea_10Runs_98.bnn.
>>
>> As you can see, whether integrate over 3 runs or 10 runs, the total
>> deposited energy, in the two txt file, is same in the target volume! Is
>> the integrated deposited energy in a volume is independent of the
>> intensity of the incident radiation? Or I misunderstand some physics?
>>
>> Regards,
>>
>> Tamer
>>
>> --
>> Dr. Tamer Tolba
>> Forschungszentrum Jülich
>> Institut für Kernphysik (IKP)
>> 52425 Jülich, Germany
>> Tel.: +49 2461 61 6860
>> Fax.: +49 2461 61 96415
>>
>>
>>
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>
> Paola Sala
> INFN Milano
> tel. Milano +39-0250317374
> tel. CERN +41-227679148
>
--
Dr. Tamer Tolba
Forschungszentrum Jülich
Institut für Kernphysik (IKP)
52425 Jülich, Germany
Tel.: +49 2461 61 6860
Fax.: +49 2461 61 96415
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Received on Sun Mar 22 2020 - 16:47:21 CET