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I would like to know what is mass absorption coefficient in the field of x-ray spectroscopy means and how can we determine this value experimentally (or by simulation) and also why for some materials it is hard to obtain (light elements for example).

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  • $\begingroup$ Is en.wikipedia.org/wiki/Mass_attenuation_coefficient unclear? $\endgroup$
    – Jon Custer
    Commented Jan 20, 2023 at 15:35
  • $\begingroup$ The definition in Wikipedia is good but it didn't answer all my questions that's why i asked here, like how this MAC are measured experimentally and what makes them difficult to measure for light elements. $\endgroup$
    – chameleon
    Commented Jan 20, 2023 at 18:08
  • $\begingroup$ Experiment - put different thickness of materials between source and detector. Light elements - they have low x-ray absorption (not many electrons) so you need a lot of material, meaning you need to be more careful about the measurement setup and other losses. $\endgroup$
    – Jon Custer
    Commented Jan 20, 2023 at 18:26
  • $\begingroup$ Thank you @JonCuster could you please lead me to some ressources that discuss this in more detail, i will be so thankful if you could! $\endgroup$
    – chameleon
    Commented Jan 21, 2023 at 19:58

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