<div dir="ltr"><div><br></div><div><font face="Georgia" size="3">Dear all,</font></div><div><font face="Georgia" size="3">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 face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif""><font size="3">Here is associated script that I used for the physics processes.</font></span></font></div>
<div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif""></span></font><br></div><div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif"">/gate/physics/addProcess PhotoElectric<br>
/gate/physics/processes/PhotoElectric/setModel LivermoreModel </span></font></div><div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif"">/gate/physics/addProcess Compton<br>
/gate/physics/processes/Compton/setModel PenelopeModel</span></font></div><div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif"">/gate/physics/addProcess RayleighScattering<br>
/gate/physics/processes/RayleighScattering/setModel PenelopeModel</span></font></div><div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif"">/gate/physics/addProcess ElectronIonisation<br>
/gate/physics/processes/ElectronIonisation/setModel StandardModel e-</span></font></div><div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif""><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 face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif""></span></font><br></div><div>
<font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif""></span></font><br></div><div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif"">Is there any problem with my script?</span></font></div>
<div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif""></span></font><br></div><div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif"">Please help me.</span></font></div>
<div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif""></span></font><br></div><div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif"">Really thank you.</span></font></div>
<div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif"">Leda</span></font></div><div><font face="Georgia" size="3"><span lang="EN-US" style="color:rgb(34,34,34);font-family:"Georgia","serif""></span></font><br>
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