<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false">Dear all</div><div dir="ltr" data-setdir="false">I used PET_Cylindryal program and changed the dimensions. In the full PET ring I have 12 head. I only need two head facing each other.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"> <span>/gate/head/ring/setRepeatNumber 2</span></div><div dir="ltr" data-setdir="false"><span><br></span></div><div dir="ltr" data-setdir="false"><span>For full ring I have hits, singles and <span><span style="color: rgb(0, 0, 0); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;">Coincidences. </span></span>The problem for this partial ring is I haven't any <span>Coincidences in output. I have <span>Hits and <span>Singles but the <span>Coincidences file is empty.</span></span></span></span></span></div><div dir="ltr" data-setdir="false">Another question is, If I want to make these two heads closer to each other, Is there any way for that. </div><div dir="ltr" data-setdir="false"><span><span><span><span><span><br></span></span></span></span></span></div><div dir="ltr" data-setdir="false"><span><span><span><span><span> Please let me know if you have any idea to solve that. The program attached with this email.</span></span></span></span></span></div><div dir="ltr" data-setdir="false"><span><span><span><span><div><div dir="ltr" data-setdir="false" style="color: rgb(0, 0, 0); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;">Best wishes </div><div dir="ltr" data-setdir="false" style="color: rgb(0, 0, 0); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;">Zahra </div></div></span></span></span></span></div><div dir="ltr" data-setdir="false"><span><span><span><span><span><br></span></span></span></span></span></div><div dir="ltr" data-setdir="false"><span><span><span><span><span><br></span></span></span></span></span></div><div dir="ltr" data-setdir="false"><span><span><span><span><span><br></span></span></span></span></span></div><div dir="ltr" data-setdir="false"><span><span><span><span><div>=====================================================</div><div># VISUALISATION</div><div>#=====================================================</div><div><br></div><div>##/vis/disable</div><div><br></div><div>/vis/open OGLSQt</div><div>/vis/viewer/set/viewpointThetaPhi 60 60</div><div>/vis/viewer/zoom 3.0</div><div>/vis/drawVolume</div><div>/tracking/storeTrajectory 1</div><div>/vis/scene/add/trajectories</div><div>/vis/scene/add/axes<span style="white-space: pre-wrap;"> </span> </div><div>/vis/scene/endOfEventAction accumulate</div><div><br></div><div>#/control/execute Verbose.mac</div><div><br></div><div><br></div><div>#=====================================================</div><div># GEOMETRY</div><div>#=====================================================</div><div><br></div><div>/gate/geometry/setMaterialDatabase /home/gate/Desktop/GateMaterials.db</div><div><br></div><div><br></div><div><br></div><div>#</div><div># W O R L D</div><div>#</div><div>/gate/world/geometry/setXLength 400. cm</div><div>/gate/world/geometry/setYLength 400. cm</div><div>/gate/world/geometry/setZLength 400. cm</div><div><br></div><div><br></div><div>#-------------------oooooOOOOO00000OOOOOooooo---------------------#</div><div># #</div><div># D E F I N I T I O N A N D D E S C R I T I O N #</div><div># O F TWO LSO PANELS #</div><div># #</div><div>#-------------------oooooOOOOO00000OOOOOooooo---------------------#</div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>CYLINDRICAL</div><div>/gate/world/daughters/name cylindricalPET</div><div>/gate/world/daughters/insert cylinder</div><div>/gate/cylindricalPET/placement/setTranslation 0 0.0 0.0 cm</div><div>/gate/cylindricalPET/geometry/setRmax 444.97 mm</div><div>/gate/cylindricalPET/geometry/setRmin 424.97 mm</div><div>/gate/cylindricalPET/geometry/setHeight 222.4 mm</div><div>/gate/cylindricalPET/setMaterial Air</div><div>/gate/cylindricalPET/vis/forceWireframe</div><div>/gate/cylindricalPET/vis/setColor white</div><div>#/gate/cylindricalPET/vis/setVisible True</div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>HEAD</div><div>/gate/cylindricalPET/daughters/name head</div><div>/gate/cylindricalPET/daughters/insert box</div><div>/gate/head/placement/setTranslation 434.97 0.0 0.0 mm</div><div>/gate/head/geometry/setXLength 2.0 cm</div><div>/gate/head/geometry/setYLength 222.4 mm</div><div>/gate/head/geometry/setZLength 222.4 mm</div><div>/gate/head/setMaterial Air</div><div>/gate/head/vis/setColor <span style="white-space: pre-wrap;"> </span> white</div><div>/gate/head/vis/setVisible 0</div><div><br></div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>BLOCK</div><div>/gate/head/daughters/name block</div><div>/gate/head/daughters/insert box</div><div>/gate/block/placement/setTranslation 0.0 0.0 0.0 cm</div><div>/gate/block/geometry/setXLength 20.0 mm</div><div>/gate/block/geometry/setYLength 55.6 mm</div><div>/gate/block/geometry/setZLength 55.6 mm</div><div>/gate/block/setMaterial Air</div><div>/gate/block/vis/setVisible 0</div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>C R Y S T A L</div><div>/gate/block/daughters/name crystal</div><div>/gate/block/daughters/insert box</div><div>/gate/crystal/placement/setTranslation 0.0 0.0 0.0 cm</div><div>/gate/crystal/geometry/setXLength 20 mm</div><div>/gate/crystal/geometry/setYLength 4.0 mm</div><div>/gate/crystal/geometry/setZLength 4.0 mm</div><div>/gate/crystal/setMaterial Air</div><div>/gate/crystal/vis/setVisible 0</div><div><br></div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>LSO layer</div><div>/gate/crystal/daughters/name LSO</div><div>/gate/crystal/daughters/insert box</div><div>/gate/LSO/placement/setTranslation 0.0 0.0 0.0 cm</div><div>/gate/LSO/geometry/setXLength 20.0 mm</div><div>/gate/LSO/geometry/setYLength 4.0 mm</div><div>/gate/LSO/geometry/setZLength 4.0 mm</div><div>/gate/LSO/setMaterial LSO</div><div>/gate/LSO/vis/setColor yellow</div><div>/gate/LSO/vis/forceSolid</div><div><br></div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>R E P E A T C R Y S T A L</div><div>/gate/crystal/repeaters/insert cubicArray</div><div>/gate/crystal/cubicArray/setRepeatNumberX 1</div><div>/gate/crystal/cubicArray/setRepeatNumberY 13</div><div>/gate/crystal/cubicArray/setRepeatNumberZ 13</div><div>/gate/crystal/cubicArray/setRepeatVector 0.0 4.0 4.0 mm</div><div><br></div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>R E P E A T BLOCK</div><div>/gate/block/repeaters/insert cubicArray</div><div>/gate/block/cubicArray/setRepeatNumberX 1</div><div>/gate/block/cubicArray/setRepeatNumberY 4</div><div>/gate/block/cubicArray/setRepeatNumberZ 4</div><div>/gate/block/cubicArray/setRepeatVector 0.0 55.6 55.6 mm</div><div><br></div><div><br></div><div><br></div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>R E P E A T HEAD</div><div>/gate/head/repeaters/insert ring</div><div>/gate/head/ring/setRepeatNumber 2</div><div><br></div><div><br></div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>A T T A C H S Y S T E M </div><div>/gate/systems/cylindricalPET/rsector/attach head</div><div>/gate/systems/cylindricalPET/module/attach block</div><div>/gate/systems/cylindricalPET/crystal/attach crystal</div><div>/gate/systems/cylindricalPET/layer0/attach LSO</div><div><br></div><div>#<span style="white-space: pre-wrap;"> </span>A T T A C H C R Y S T A L SD</div><div><br></div><div>/gate/LSO/attachCrystalSD</div><div><br></div><div>/gate/systems/cylindricalPET/describe</div><div><br></div><div><br></div><div><br></div><div>#=====================================================</div><div># PHYSICS</div><div>#=====================================================</div><div><br></div><div>/gate/physics/addProcess PhotoElectric</div><div>/gate/physics/processes/PhotoElectric/setModel StandardModel</div><div><br></div><div>/gate/physics/addProcess Compton</div><div>/gate/physics/processes/Compton/setModel StandardModel</div><div><br></div><div>/gate/physics/addProcess RayleighScattering</div><div>/gate/physics/processes/RayleighScattering/setModel PenelopeModel</div><div><br></div><div>/gate/physics/addProcess ElectronIonisation</div><div>/gate/physics/processes/ElectronIonisation/setModel StandardModel e-</div><div>/gate/physics/processes/ElectronIonisation/setModel StandardModel e+</div><div><br></div><div>/gate/physics/addProcess Bremsstrahlung</div><div>/gate/physics/processes/Bremsstrahlung/setModel StandardModel e-</div><div>/gate/physics/processes/Bremsstrahlung/setModel StandardModel e+</div><div><br></div><div>/gate/physics/addProcess PositronAnnihilation</div><div><br></div><div>/gate/physics/addProcess MultipleScattering e+</div><div>/gate/physics/addProcess MultipleScattering e-</div><div><br></div><div>/gate/physics/processList Enabled</div><div>/gate/physics/processList Initialized</div><div><br></div><div>#=====================================================</div><div># CUTS</div><div>#=====================================================</div><div><br></div><div>/gate/physics/Gamma/SetCutInRegion LSO 1.0 cm</div><div>/gate/physics/Electron/SetCutInRegion LSO 1.0 cm</div><div>/gate/physics/Positron/SetCutInRegion LSO 1.0 cm</div><div><br></div><div>#/gate/physics/Gamma/SetCutInRegion BGO 1.0 cm</div><div>#/gate/physics/Electron/SetCutInRegion BGO 1.0 cm</div><div>#/gate/physics/Positron/SetCutInRegion BGO 1.0 cm</div><div><br></div><div><br></div><div>#/gate/physics/Gamma/SetCutInRegion phantom 0.1 mm</div><div>#/gate/physics/Electron/SetCutInRegion phantom 0.1 mm</div><div>#/gate/physics/Positron/SetCutInRegion phantom 0.1 mm</div><div><br></div><div>#/gate/physics/SetMaxStepSizeInRegion phantom 0.01 mm</div><div><br></div><div>#=====================================================</div><div># INITIALISATION</div><div>#=====================================================</div><div><br></div><div>/gate/run/initialize</div><div><br></div><div><br></div><div>#=====================================================</div><div># Show how the geometry moves with time</div><div>#=====================================================</div><div><br></div><div>#/control/execute MoveVisu.mac</div><div><br></div><div>#=====================================================</div><div># D I G I T I Z E R: DETECTOR ELECTRONIC RESPONSE</div><div>#===================================================== </div><div><br></div><div>/gate/digitizer/Singles/insert adder</div><div>/gate/digitizer/Singles/insert readout</div><div>/gate/digitizer/Singles/readout/setDepth 1</div><div><br></div><div>/gate/digitizer/Singles/insert blurring</div><div>/gate/digitizer/Singles/blurring/setResolution 0.26</div><div>/gate/digitizer/Singles/blurring/setEnergyOfReference 511. keV</div><div><br></div><div>/gate/digitizer/Singles/insert thresholder</div><div>/gate/digitizer/Singles/thresholder/setThreshold 350. keV</div><div>/gate/digitizer/Singles/insert upholder</div><div>/gate/digitizer/Singles/upholder/setUphold 650. keV</div><div><br></div><div><br></div><div><br></div><div>#=====================================================</div><div>#<span style="white-space: pre-wrap;"> </span>C O I N C I D E N C E S O R T E R</div><div>#===================================================== </div><div><br></div><div>/gate/digitizer/Coincidences/setWindow 10. ns</div><div><br></div><div>/gate/digitizer/name delay</div><div>/gate/digitizer/insert coincidenceSorter</div><div>/gate/digitizer/delay/setWindow 10. ns</div><div>/gate/digitizer/delay/setOffset 500. ns</div><div><br></div><div>#=====================================================</div><div># P A R T I C L E S O U R C E</div><div>#=====================================================</div><div><br></div><div> </div><div>/gate/source/addSource posiC11</div><div><br></div><div>#/gate/source/posiC11/gps/particle e+</div><div>#/gate/source/posiC11/gps/energytype Carbon11</div><div>/gate/source/posiC11/setType backtoback</div><div><br></div><div># The particles emitted by the source are gammas</div><div>/gate/source/posiC11/gps/particle gamma</div><div><br></div><div># The gammas have an energy of 511 keV</div><div>/gate/source/posiC11/gps/energytype Mono</div><div>/gate/source/posiC11/gps/monoenergy 0.511 MeV</div><div><br></div><div>/gate/source/posiC11/setActivity 10000 becquerel</div><div><br></div><div>/gate/source/posiC11/setForcedUnstableFlag true</div><div>/gate/source/posiC11/setForcedHalfLife 1223 s</div><div>/gate/source/posiC11/gps/angtype iso</div><div><br></div><div>/gate/source/posiC11/visualize red</div><div><br></div><div>/gate/source/list</div><div><br></div><div>#=====================================================</div><div># D A T A O U T P U T </div><div>#=====================================================</div><div><br></div><div>/gate/output/root/enable</div><div>/gate/output/root/setFileName YourFile</div><div>/gate/output/root/setRootHitFlag 1</div><div>/gate/output/root/setRootSinglesFlag 1</div><div>/gate/output/root/setRootCoincidencesFlag 1</div><div>/gate/output/root/setRootdelayFlag 1</div><div><br></div><div>#====================================================</div><div># R A N D O M E N G I N E A N D S E E D</div><div>#====================================================</div><div># JamesRandom Ranlux64 MersenneTwister</div><div>/gate/random/setEngineName JamesRandom</div><div>#/gate/random/setEngineSeed default</div><div>#/gate/random/setEngineSeed auto</div><div>#/gate/random/setEngineSeed 123456789</div><div>/gate/random/setEngineSeed default</div><div>#/gate/random/resetEngineFrom fileName</div><div>/gate/random/verbose 1</div><div><br></div><div>#=====================================================</div><div># M E A S U R E M E N T S E T T I N G S </div><div>#=====================================================</div><div><br></div><div>/gate/application/setTimeSlice 1 s</div><div>/gate/application/setTimeStart 0 s</div><div>/gate/application/setTimeStop 6 s</div><div><br></div><div>/gate/application/startDAQ</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></span></span></span></span></div><div dir="ltr" data-setdir="false"><span><span><span><span><span><br></span></span></span></span></span></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><span><span><span></span></span></span></div></div></body></html>