<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div style="margin: 0px; text-align: justify; ">Dear GATE users,</div><div style="margin: 0px; text-align: justify; "> I am simulating the gamma conversion into optical photons in scintillator. </div><div style="margin: 0px; text-align: justify; ">The steps are following,</div><div style="margin: 0px; text-align: justify; min-height: 12px; "><br></div><div style="margin: 0px; text-align: justify; "> first, gamma-ray comes in the scintillator</div><div style="margin: 0px; text-align: justify; "> second, gamma conversion into optical photon.</div><div style="margin: 0px; text-align: justify; "> third, optical photons were detected by photo cathode.</div><div style="margin: 0px; text-align: justify; min-height: 12px; "><br></div><div style="margin: 0px; text-align: justify; "> The important information what I want to get through this simulation is as following.</div><div style="margin: 0px; text-align: justify; min-height: 12px; "><br></div><div style="margin: 0px; text-align: justify; "> 1. the number of detected optical photons at the event.</div><div style="margin: 0px; text-align: justify; "> 2. the position where the gamma ray was scintillated.</div><div style="margin: 0px; text-align: justify; "> 3. the energy of scintillated gamma ray.</div><div style="margin: 0px; text-align: justify; min-height: 12px; "><br></div><div style="margin: 0px; text-align: justify; "> Even though my simulation was finished, I could not get the information of 2 and 3 that i mention above.</div><div style="margin: 0px; text-align: justify; min-height: 12px; "><br></div><div style="margin: 0px; text-align: justify; "> Please give me any advice.</div><div style="margin: 0px; text-align: justify; min-height: 12px; "><br></div><div style="margin: 0px; text-align: justify; "> What should I do to deal with this problem?</div><div style="margin: 0px; text-align: justify; "> How to get those information?</div><div style="margin: 0px; text-align: justify; min-height: 12px; "><br></div><div style="margin: 0px; text-align: justify; "> My code for physics and the output are as following,</div><div><br></div><div><br></div><div><br>#=====================================================<br># P H Y S I C S<br>#=====================================================<br><br>/gate/physics/addProcess Scintillation<br>/gate/physics/addProcess OpticalAbsorption<br>/gate/physics/addProcess OpticalRayleigh<br>/gate/physics/addProcess OpticalBoundary<br>/gate/physics/addProcess OpticalMie<br>/gate/physics/addProcess OpticalWLS<br><br>/gate/physics/processList Enabled<br>/gate/physics/processList Initialized<br><br>/gate/digitizer/Singles/enable<br>/gate/digitizer/Singles/verbose<span class="Apple-tab-span" style="white-space: pre; "> </span>5<br>/gate/digitizer/Singles/insert opticaladder<br>/gate/digitizer/Singles/insert readout<br>#<br>/gate/digitizer/Singles/readout/setDepth 2<br><br>#=====================================================<br># D A T A O U T P U T <br>#=====================================================<br><br>/gate/output/analysis/enable<br>/gate/output/analysis/verbose 5<br>#/gate/output/fastanalysis/enable<br>/gate/output/root/enable<br>/gate/output/root/verbose 5<br>/gate/output/root/setFileName ../result/2013_Jun_9_05<br>/gate/output/root/setRootOpticalFlag<span class="Apple-tab-span" style="white-space: pre; "> </span>1<br>/gate/output/root/setRootHitFlag<span class="Apple-tab-span" style="white-space: pre; "> </span>1<br>/gate/output/root/setRootNtupleFlag<span class="Apple-tab-span" style="white-space: pre; "> </span>1<br>/gate/output/root/setRootRecordFlag<span class="Apple-tab-span" style="white-space: pre; "> </span>1<br>/gate/output/root/setRootSinglesFlag<span class="Apple-tab-span" style="white-space: pre; "> </span>1<br></div></body></html>