Sorry I forgot: one should also be careful about the energy threshold in
the experimental data,
Paola
On 7/5/22 10:09, Paola Sala wrote:
> Dear Norman
>
> Some of the answers depend on the details of your setup and your
> input. I will try to give some general hints.
>
> i. Depends on the activity of the source and of the time interval
> during which the experimental data were taken, and the estimator you
> used in Fluka. Almost all estimators give results normalized to one
> primary particle, except for DETECT that is not normalized, and
> EVENTBIN, that outputs results at each primary. If your radioactive
> source has an activity of M Becquerels, and the experiment lasted L
> seconds, the data normalization factor will be the total number of
> source disintegrations: F=M*L. The Fluka normalization factor, as
> said, depends on the estimator you used. Can be 1 or N where N is the
> number of primaries.
> Of course all this is valid only if the geometry is correct. I mean,
> the distance from source to detector, container of the source, window
> of the detector, angle of emission of the source, shielding around the
> detector if any...All must be the same.
>
> ii and iii : see above.
>
> iv: yes
>
> Hope this helps
> Paola
> On 7/4/22 22:41, noman kaleem wrote:
>> Dear Fluka experts,
>> I'd used fluka for the simulation of a CsI detector and want to
>> compare the obtained graph with the experimental data.
>> Also I want to calculate the efficiency of the detector.
>> i. I got the graphs from my simulation, they are quite similar to the
>> experimental data but the obtained number of pulses related to the
>> number of counts depends on what factor?
>> ii. For detector Efficiency, we need no of counts emitted by the
>> source and no of counts detected by the detector. How do we get both
>> of them?
>> iii. How to mention the activity of the source?
>> iv. Is it possible to calculate the efficiency of the scintillator
>> detector using FLUKA code?
>>
>> Required your valuable comments,
>> Regards,
>>
>> Noman Kaleem
>> nomankaleem786_at_gmail.com
>
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Received on Tue Jul 05 2022 - 11:42:02 CEST