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Hi Leda,<br>
<br>
To obtain characteristic X-Ray, you need to activate atom
de-excitation.<br>
If you are using GATE 6.2, there is no way to do it easily.<br>
You can use GATE 7.0 which gives an example to observe fluorescence
(have a look in the examples/example_fluorescence directory)<br>
<br>
Bests,<br>
<br>
Yann<br>
<br>
<div class="moz-cite-prefix">Le 27/08/2014 15:17, Leda Lorenzon a
écrit :<br>
</div>
<blockquote
cite="mid:CANdAb7hsDMkk21bxm8igHrXa=pysgA5HuF2R4jjjgJnvoFtVfg@mail.gmail.com"
type="cite">
<div dir="ltr">
<div><br>
</div>
<div><font size="3" face="Georgia">Dear all,</font></div>
<div><font size="3" face="Georgia">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.</font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US"><font size="3">Here is associated script that
I used for the physics processes.</font></span></font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US"></span></font><br>
</div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US">/gate/physics/addProcess PhotoElectric<br>
/gate/physics/processes/PhotoElectric/setModel
LivermoreModel </span></font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US">/gate/physics/addProcess Compton<br>
/gate/physics/processes/Compton/setModel PenelopeModel</span></font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US">/gate/physics/addProcess RayleighScattering<br>
/gate/physics/processes/RayleighScattering/setModel
PenelopeModel</span></font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US">/gate/physics/addProcess ElectronIonisation<br>
/gate/physics/processes/ElectronIonisation/setModel
StandardModel e-</span></font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US"><br>
/gate/physics/addProcess Bremsstrahlung<br>
/gate/physics/processes/Bremsstrahlung/setModel
StandardModel e-</span></font></div>
<p>/gate/physics/addProcess eMultipleScattering<br>
/gate/physics/processes/eMultipleScattering/setModel
Urban95Model e-</p>
<p>/gate/physics/processList Enabled<br>
/gate/physics/processList Initialized</p>
<p>/gate/physics/Electron/SetCutInRegion SPECThead 0.001 cm<br>
/gate/physics/Electron/SetCutInRegion SecondHead 0.001 cm<br>
/gate/physics/Gamma/SetCutInRegion SPECThead 0.001 cm<br>
/gate/physics/Gamma/SetCutInRegion SecondHead 0.001 cm</p>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US"></span></font><br>
</div>
<div> <font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US"></span></font><br>
</div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US">Is there any problem with my script?</span></font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US"></span></font><br>
</div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US">Please help me.</span></font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US"></span></font><br>
</div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US">Really thank you.</span></font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US">Leda</span></font></div>
<div><font size="3" face="Georgia"><span
style="color:rgb(34,34,34);font-family:"Georgia","serif""
lang="EN-US"></span></font><br>
</div>
<div>
<p class="MsoNormal"><span
style="color:rgb(31,73,125);font-family:"\00b9d1\00c740\00ace0\00b515";font-size:10pt"
lang="EN-US"></span><br>
</p>
<p class="MsoNormal"><span
style="color:rgb(31,73,125);font-family:"\00b9d1\00c740\00ace0\00b515";font-size:10pt"
lang="EN-US"> </span></p>
</div>
</div>
<br>
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<br>
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