[Gate-users] Y90 spectrum

[Suhaili Zakaria]

Hi,

Hope that you can help me with this.

I want to simulate spectrum of Y-90 bremsstrahlung obtained from gamma
camera. I am doubtful if I have code it correctly.
So far, this is how wrote it:

/gate/source/addSource Y90
/gate/source/Y90/setActivity 1000000 Bq
/gate/source/Y90/gps/particle ion
/gate/source/Y90/gps/ion 39 90 0 0
/gate/source/Y90/setForcedHalfLife 230688 s
:
/gate/source/Y90/gps/type Point
/gate/source/Y90/gps/centre 0 0 0 cm

The source is place inside a water phantom

I really appreciate your reply,
S
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