I’m interested in bremsstrahlung spectra of electrons (E<70MeV) emerging from their interactions with tungsten. Which of two physics list of electromagnetic interactions is better to use for this purpose: from Hadr06 example or from TestEm18 example ?
I would suggest to use a physics list with G4EMStandards_option4 or G4EMPenelope to model the bremsstrahlung. Probably you may want to keep the fluorescence on.
Cheers
Susanna
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