[Gate-users] PET simulation:Compton scatter events in coincidence output

[Imre Lajtos]

Hi everyone,

I have a problem with the coincidence output.
I would like to get information about the Compton scatter interactions of
gamma photons in the simulated phantom volume. Basically the coincidence
output data separately contain the number of Compton interaction of the
gammas in the phantom and the crystal.
I simulate a very large phantom so I should get lot of scatter events.
However, I get zero Compton events in the phantom.

Could anyone help me?

Thanks,
Imre
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