Particle Flow Calorimetry and ILC Detector Design - Center for High ...

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Putting it all together…CCAST-Tsinghua School, 26/4/2009 Mark Thomson 35100 GeV Jet If it all works… Reconstruct the individualparticles in the event. Calorimeter energy resolutionnot critical: most energy inform of tracks. Level of mistakes in associatinghits with particles, dominatesjet energy resolution.neutral hadronphotoncharged hadronParticle Flow ObjectsEnd of Lecture 1
CCAST-Tsinghua School, 26/4/2009 Mark Thomson 36Aside: Analysing PFOs Within Marlin software framework analysis is very easy:void ExampleDSTAnalysis::processEvent( LCEvent * evt ) {typedef const std::vector StringVec ;// loop over collections in eventStringVec* strVec = evt->getCollectionNames() ;for(StringVec::const_iterator name=strVec->begin(); name!=strVec->end(); name++){LCCollection* col = evt->getCollection(*name);// find the reconstructed particle flow object collectionif(*name=="PandoraPFOs"){for(unsigned int i=0;igetElementAt(i));// store PFOs in a vector for later analysis_pfovec.push_back(recoPart);}}e.g. to calculate total energy in event:for(unsigned int i=0; igetEnergy();
Page 5 and 6: CCAST-Tsinghua School, 26/4/2009 Ma
Page 15: ILD Software Framework (C++) Everyt
Page 18 and 19: PandoraPFANeed “realistic” Part
Page 26 and 27: Example : MIP segmentsCCAST-Tsinghu
Page 32 and 33: vi) Photon ID/Recovery Use simple c
Page 42 and 43: Understanding PFA PerformanceCCAST-
Page 46 and 47: HCAL Depth ResultsCCAST-Tsinghua Sc
Page 48 and 49: Cost drivers:e.g. Radius vs. B-fiel
Page 52 and 53: Particle Flow can deliver ILC jet e
Page 54 and 55: General ConsiderationsCCAST-Tsinghu
Page 60: Thank youCCAST-Tsinghua School, 26/

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