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Histogram Normalization: study correct application and best channels #267

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steinnymir opened this issue Nov 14, 2023 · 2 comments
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enhancement New feature or request good first issue Good for newcomers

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@steinnymir
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We discussed today that we need to be careful when normalizing the histograms.
Proposals about how to achieve this are

  • by number of pulses
  • by $I_0$ monitor (FEL)
  • generating a new column which can be used as weights in the binning phase

Details and tests of this should be carried on in the upcoming beamtime.

@steinnymir steinnymir added the enhancement New feature or request label Nov 14, 2023
@steinnymir steinnymir added this to the FLASH Beamtime Nov2023 milestone Nov 14, 2023
@rettigl
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rettigl commented Nov 15, 2023

The first part should be what the current histogram computes. If you have an I0 monitor of the (monochromatized) FEL intensity, this can off course be used for additional normalization. For shot-based experiments, this cannot be done on a single event level, I think, but only on the histogram level after binning, so I don't see where the third point would come into play.

@steinnymir
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so I don't see where the third point would come into play.

jsut as any other pulse resolved column, it gets forward filled for all electrons in a pulse...

@zain-sohail zain-sohail added the good first issue Good for newcomers label Mar 20, 2024
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