Use G4SingleParticleSource instead of G4ParticleGun for isotope source generation.#508
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oschulz merged 2 commits intoJuliaPhysics:mainfrom Jul 6, 2025
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source generation. The resulted energy spectrum is not a Dirac delta function anymore, but it is not similar to a typical 207-Bi spectrum either. Maybe it's caused by the following line? `SetParticleMomentumDirection(GetAngDist(gun), data.direction)` It does not make sense to me that one specifies the direction of the momentum of an isotope source. I modified it only to make the code compile.
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The resulted energy spectrum is not a Dirac delta function anymore, but
it is not similar to a typical 207-Bi spectrum either. Maybe it's caused
by the following line?
SetParticleMomentumDirection(GetAngDist(gun), data.direction)It does not make sense to me that one specifies the direction of the
momentum of an isotope source. I modified it only to make the code
compile.