Re: [PyMca] SIMULATION OF SCATTER PEAKS

[PyMca g. p. m. list. <pym...@li...>]

Dear Edward,

That can have multiple explanations (bad description of the experiment, 
sample, geometry...) but none of them has anything to do with PyMca itself.

Best regards,

Armando

On 26/06/2025 17:14, PyMca general purpose mailing list. wrote:
> Dear Armando,
>
> Thank you for the responses.
> I have included the multiple energies as you advised and both the K 
> alpha and K beta peaks for Compton and Rayleigh scattering  have 
> appeared. However, just as the earlier case, the simulated peaks are 
> more intense than the experimental counterparts.
>
> Kindly see the attached spectra.
>
> Kind regards
>
> Edward Sichangi
>
> On Wed, Jun 25, 2025 at 8:13 PM PyMca general purpose mailing list. 
> <pym...@li...> wrote:
>
>     But have you filled all the energies emitted by your tube??? Run
>     your simulation with something similar to the table below.
>
>     DISCLAIMER: I do not know if your tube has anything to select a
>     single energy nor if the ratios below apply to the emission of
>     your tube. In the configuration you sent us you are using a
>     monochromatic beam. Without optical elements, you must have
>     multiple energies coming out of your X-ray tube and not a single one.
>
>     On 25/06/2025 18:08, PyMca general purpose mailing list. wrote:
>>     Dear members,
>>
>>     Many thanks for the responses Armando. I have double clicked the
>>     second energy table but the results are still the same.
>>
>>     As you can see from the scatter peaks, why is the simulated one
>>     more intense than the experimental counterpart.
>>
>>     REGARDS
>>
>>     On Wed, Jun 25, 2025 at 6:34 PM PyMca general purpose mailing
>>     list. <pym...@li...> wrote:
>>
>>         Dear Armando,
>>
>>         Attached kindly find the original spectrum and cfg file I used.
>>
>>         Thank you in advance.
>>
>>         On Wed, Jun 25, 2025 at 6:09 PM PyMca general purpose mailing
>>         list. <pym...@li...> wrote:
>>
>>             Dear Edward,
>>
>>             My first impression is that you are considering Mo-Ka as
>>             exctation beam and that you have forgotten about Mo-Kb. 
>>             (double click on the second energy of the energy table to
>>             turn-it pink)
>>
>>
>>             Without the original spectrum and the original cfg file
>>             it is difficult to say more.
>>
>>             Armando
>>
>>             On 25/06/2025 16:50, PyMca general purpose mailing list.
>>             wrote:
>>>             Dear Armando,
>>>
>>>             Many thanks for the prompt response.
>>>
>>>             The excitation energy is 17.5 keV (X-ray tube)
>>>
>>>             On Wed, Jun 25, 2025 at 5:20 PM PyMca general purpose
>>>             mailing list. <pym...@li...> wrote:
>>>
>>>                 Dear Edward,
>>>
>>>                 Can you provide details about your excitation source?
>>>
>>>                 Armando
>>>
>>>                 On 25/06/2025 12:41, PyMca general purpose mailing
>>>                 list. wrote:
>>>                 > Dear members,
>>>                 >
>>>                 > I have attempted to simulate experimental spectrum
>>>                 using XMI-MSIM
>>>                 > pymca software but the simulated scatter peaks are
>>>                 not matching with
>>>                 > their experimental counterparts. I would like to
>>>                 know why and how to
>>>                 > correct it.
>>>                 >
>>>                 > See the attached spectra.
>>>                 >
>>>                 > Thank you in advance.
>>>                 >
>>>                 > Edward Sichangi
>>>                 >
>>>                 >
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