|Message: Particle direction of ion source||Not Logged In (login)|
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I want to add an Am241 source in my system as the gamma generator, so I set 0 eV ion gps and add RadioActiveDecay physiclists.
But I found that the direction commands (like /gps/ang) only work for the origin particles. So the angle distribution of gamma beams is very wide.
I wonder if it is possible to set the direction of gamma particles.
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