BASF2 tracking tutorial - Belle II Software Tutorial - HEPHY

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GenFitDAFexperiment independent framework for track fitting(Nucl.Instrum.Meth.A620,Issue2-3,pp.518-525(2010))three modular componentsTrack Representation (describes propagation of particles through matter)we are currently using RKTrackRepReconstruction Hits (detector response)a RecoHit class has to provided by each tracking subdetectorFitting Algorithmsextended Kalman filter or Deterministic Annealing Filter (DAF)iterative Kalman filter with reweighted observationscalculates assignment probabilities of all competing hitscapable to fit tracks which are contaminated with noise hitsIntroduction Requirements and basic hit classes How to execute tracking and fitting Output of the Fit SummaryOksana Brovchenko – BASF2 tracking tutorial 21.11.2011 4/20
General structureDetector SimulationTrackingDetector Hitsgaussian smearing and/orrealistic detector responseMCParticlesDetector HitsPattern RecognitionMCTrackFinderModuleRecoHits constructorcollects necessaryinformation and createstrack candidatesGenFitterModuleuses RecoHits and trackcandidates to create tracksIntroduction Requirements and basic hit classes How to execute tracking and fitting Output of the Fit SummaryOksana Brovchenko – BASF2 tracking tutorial 21.11.2011 5/20
Page 1 and 2: BASF2 tracking tutorialBelle II Sof
Page 3: General remarksTracking package is
Page 7: Necessary modulesCreate geometrybe
Page 10: GenFitterModulegenfitter = register
Page 13 and 14: Further important remarks and hints
Page 15 and 16: Steering filesNow it is time to try
Page 17 and 18: Track classget ID of the MCParticle
Page 19 and 20: Concluding remarksTo see what perfo
Page 21 and 22: Thank youIntroduction Requirements
Page 23 and 24: Perigee helix parametrisationHelix

BASF2 tracking tutorial - Belle II Software Tutorial - HEPHY

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