[Gate-users] Materials doubt

[Barbara Genocchi]

Dear all,

I'm running simulations on a gamma camera with two different collimator materials: Tungsten and Lead.


As I had some strange results, I run a simulation for each material putting a collimator without holes in order to see how much counts I have in the detector; with a collimator 1 cm thicker I had quite the same counts in the detector instead of having less in Tungsten as I expected. The material database has the right value of density.

I'm using the Singles output for my analysis.

?

Did anyone had the same problem as mine or knows where I'm wrong?


Thanks,

Barbara

The Institute of Cancer Research: Royal Cancer Hospital, a charitable Company Limited by Guarantee, Registered in England under Company No. 534147 with its Registered Office at 123 Old Brompton Road, London SW7 3RP.

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