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Inconsistency between partial and total cross sections? #71

@vasole

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@vasole

The partial photoelectric cross sections respect the supplied binding energies, but the total mass attenuation coefficients have the last word.

In the figure below, the data correspond to lead with a) the total mass attenuation coefficient using EADL binding energies, b) corresponds to the total photoelectric cross section using the PyMca binding energies and c) the K-shell partial photoelectric cross section using the same binding energies as in b).

image

The original intention is that provided total photoelectric cross sections, one could calculate the probability to excite a particular shell using the partial cross-sections.

One should provide a method to adjust a set of total photoelectric cross sections to a different set of binding energies than the ones implicitly used by it.

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