|Message: Re: G4ParticleGun and G4GeneralParticleSource||Not Logged In (login)|
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From what I can see GPS has many more methods than Gun. You may be able to set x, x', y and y' by changing /gps/ang/.
# General particle source # proton circle source/gps/pos/shape Circle /gps/pos/centre -25. 0. 0. cm /gps/pos/radius 0. mm /gps/pos/sigma_r 2. mm /gps/particle proton /gps/pos/type Beam
# # the incident surface is in the y-z plane/gps/pos/rot1 0 1 0 /gps/pos/rot2 0 0 1
# # the beam is travelling along the x-axis without any angular #dispersion (angular despersion set to 0.0)/gps/ang/rot1 0 0 1 /gps/ang/rot2 0 1 0 /gps/ang/type beam1d /gps/ang/sigma_r 0. deg
# # the beam energy is in gaussian profile/gps/ene/type Gauss /gps/ene/mono 70 MeV /gps/ene/sigma 1.4 MeV #