Physics List for x-ray spectrum simulation

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_Geant4 Version:_v11.1.1
_Operating System:_Ubuntu 22.04.3 LTS
_Compiler/Version:_gcc 11.4.0
_CMake Version:_3.22.1

For the simulation of x-ray spectrum, what Physics List you recommend me to use? I want to shot electrons towards a W target and score photon intensity as a function of energy.