[Gate-users] Scattering in the back-to-back source of gamma quanta

[Pawe Kowalski]

Hi,
In my simulations I have volume source of back-to-back gamma quanta. I would like to ask if this is possible to have some Compton or Rayleigh scatterings in this source? If space around source is a vacuum, then source is also treated as a vacuum? Going forward, if space around source is an air, then source is also treated as an air?
My definition of source:
#=====================================================# linear source#=====================================================
/gate/source/addSource linear gps
/gate/source/linear/gps/type Volume/gate/source/linear/gps/shape Cylinder/gate/source/linear/gps/radius 3.2 mm/gate/source/linear/gps/halfz 35. cm/gate/source/linear/gps/pos/centre 0. -45. 0. mm
/gate/source/linear/setActivity 5000000 Bq/gate/source/linear/setType backtoback/gate/source/linear/gps/particle gamma/gate/source/linear/gps/ene/mono 511. keV/gate/source/linear/gps/angtype iso
/gate/source/list
Best regards,Paweł Kowalski
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