[Gate-users] defining an H- source

[David Watts]

Hi Gate users,

Can someone  tell me which is the best way to generate a source of H-, 100 MeV.

I am trying:
                /gate/source/addSource PBS-source gps
                /gate/source/PBS-source/gps/particle ion
                /gate/source/PBS-source/gps/ion 1 1 -1 0

But I see that the particle is blue (positive)... and I ran now another sim with
                /gate/source/addSource PBS-source gps
                /gate/source/PBS-source/gps/particle ion
                /gate/source/PBS-source/gps/ion 1 1 1 0

And I get exactly the same output. Reading further, perhaps this is when you have a stationary source? Like Oxygen-15?

Now I have tried :
                /gate/source/addSource PBS PencilBeam
                /gate/source/PBS/setParticleType GenericIon
                /gate/source/PBS/setIonProperties 1 1 -1 0

And I get an error:
*** COMMAND NOT FOUND </gate/source/PBS/setIonProperties 1 1 -1 0> ***
[Gate] Sorry, error in a macro command : abort.

Can  someone help ?

Cheers and thanks,

Dr. David A. Watts
Experimental Physicist
A.D.A.M. SA
Geneva, Switzerland

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