[Gate-users] Problems with X-ray peak

[Yann PERROT]

Hi Leda,

To obtain characteristic X-Ray, you need to activate atom de-excitation.
If you are using GATE 6.2, there is no way to do it easily.
You can use GATE 7.0 which gives an example to observe fluorescence 
(have a look in the examples/example_fluorescence directory)

Bests,

Yann

Le 27/08/2014 15:17, Leda Lorenzon a écrit :
>
> Dear all,
> I’m trying to simulate Infinia Hawkeye SPECT system with LEHR 
> collimator but I can't obtain, in the simulated spectra, the X-ray 
> peak of lead that I observe experimentally.
> Here is associated script that I used for the physics processes.
>
> /gate/physics/addProcess PhotoElectric
> /gate/physics/processes/PhotoElectric/setModel LivermoreModel
> /gate/physics/addProcess Compton
> /gate/physics/processes/Compton/setModel PenelopeModel
> /gate/physics/addProcess RayleighScattering
> /gate/physics/processes/RayleighScattering/setModel PenelopeModel
> /gate/physics/addProcess ElectronIonisation
> /gate/physics/processes/ElectronIonisation/setModel StandardModel e-
>
> /gate/physics/addProcess Bremsstrahlung
> /gate/physics/processes/Bremsstrahlung/setModel StandardModel e-
>
> /gate/physics/addProcess eMultipleScattering
> /gate/physics/processes/eMultipleScattering/setModel Urban95Model e-
>
> /gate/physics/processList Enabled
> /gate/physics/processList Initialized
>
> /gate/physics/Electron/SetCutInRegion   SPECThead 0.001 cm
> /gate/physics/Electron/SetCutInRegion   SecondHead 0.001 cm
> /gate/physics/Gamma/SetCutInRegion   SPECThead 0.001 cm
> /gate/physics/Gamma/SetCutInRegion   SecondHead 0.001 cm
>
>
>
> Is there any problem with my script?
>
> Please help me.
>
> Really thank you.
> Leda
>
>
>
>
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