|Message: Re: Generated electron is not affected by static magnetic field?||Not Logged In (login)|
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Hello Michael, Thanks for your quick response. > You may turn on "rich trajectories" in visualization. This will add > additional intermediate points, so that the true curved trajectory is > drawn for you. I used command "/vis/scene/add/trajectories/smooth rich" and turned on "rich trajectories" in visualization. But electron's trajectory remain straight. > The tracking in G4 does take the magnetic field into account, and finds > correct interaction points, I set Magnetic Field with -3.0*mm <= Z <= 3.0*mm, the direction is Y+. When electron is set bellow fParticleGun->SetParticlePosition(0.0,0.0,3.0*mm); <- in the field fParticleGun->SetParticleMomentumDirection(G4Threevector(0.0,0.0,-1.0)); It interacts with the field and trajectory is drawn curve. But when set bellow fParticleGun->SetParticlePosition(0.0,0.0,40.0*mm); <- out of the field fParticleGun->SetParticleMomentumDirection(G4Threevector(0.0,0.0,-1.0)); It passes the field without interacting and go straight as no magnetic field. Why dose the difference occur? Best Regards, Kayo Matsuura
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