// $Id$ // // File: DReaction_factory_kpk0pixi.cc // Created: Mon Jul 18 19:45:03 EDT 2016 // Creator: pmatt (on Linux pmattdesktop.jlab.org 2.6.32-642.el6.x86_64 x86_64) // #include "DReaction_factory_kpk0pixi.h" #include "DCustomAction_dEdxCut.h" //------------------ // brun //------------------ jerror_t DReaction_factory_kpk0pixi::brun(JEventLoop* locEventLoop, int32_t locRunNumber) { vector locBeamPeriodVector; locEventLoop->GetCalib("PHOTON_BEAM/RF/beam_period", locBeamPeriodVector); dBeamBunchPeriod = locBeamPeriodVector[0]; return NOERROR; } //------------------ // evnt //------------------ jerror_t DReaction_factory_kpk0pixi::evnt(JEventLoop* locEventLoop, uint64_t locEventNumber) { // Make as many DReaction objects as desired DReaction* locReaction = NULL; //create with a unique name for each DReaction object. CANNOT (!) be "Thrown" // DOCUMENTATION: // ANALYSIS library: https://halldweb1.jlab.org/wiki/index.php/GlueX_Analysis_Software // DReaction factory: https://halldweb1.jlab.org/wiki/index.php/Analysis_DReaction DReactionStep* locInitStep; DReactionStep* locK0Step; DReactionStep* locXiStep; DReactionStep* locLambdaStep; { /************************************************** kpk0pixi Reaction Definition *************************************************/ locReaction = new DReaction("kpk0pixi"); //Required: DReactionSteps to specify the channel and decay chain you want to study //Particles are of type Particle_t, an enum defined in sim-recon/src/libraries/include/particleType.h //g, p -> K+, K0, pi+, xi- locInitStep = new DReactionStep(); locInitStep->Set_InitialParticleID(Gamma); locInitStep->Set_TargetParticleID(Proton); locInitStep->Add_FinalParticleID(KPlus); locInitStep->Add_FinalParticleID(KShort); locInitStep->Add_FinalParticleID(PiPlus); locInitStep->Add_FinalParticleID(XiMinus); locReaction->Add_ReactionStep(locInitStep); dReactionStepPool.push_back(locInitStep); //register so will be deleted later: prevent memory leak //K0 -> pi+, pi- locK0Step = new DReactionStep(); locK0Step->Set_InitialParticleID(KShort); locK0Step->Add_FinalParticleID(PiPlus); locK0Step->Add_FinalParticleID(PiMinus); locReaction->Add_ReactionStep(locK0Step); dReactionStepPool.push_back(locK0Step); //register so will be deleted later: prevent memory leak //Xi- -> Lambda, pi- locXiStep = new DReactionStep(); locXiStep->Set_InitialParticleID(XiMinus); locXiStep->Add_FinalParticleID(Lambda); locXiStep->Add_FinalParticleID(PiMinus); locReaction->Add_ReactionStep(locXiStep); dReactionStepPool.push_back(locXiStep); //register so will be deleted later: prevent memory leak //Lambda -> p, pi- locLambdaStep = new DReactionStep(); locLambdaStep->Set_InitialParticleID(Lambda); locLambdaStep->Add_FinalParticleID(Proton); locLambdaStep->Add_FinalParticleID(PiMinus); locReaction->Add_ReactionStep(locLambdaStep); dReactionStepPool.push_back(locLambdaStep); //register so will be deleted later: prevent memory leak /**************************************************** kpk0pixi Control Settings ****************************************************/ // Highly Recommended: Set EventStore skim query (use with "eventstore" source) // This will skip creating particle combos for events that aren't in the skims you list // Query should be comma-separated list of skims to boolean-AND together locReaction->Set_EventStoreSkims("xi-,ks_2piq,3q+"); //boolean-AND of skims //would use 4q+ if available // Recommended: Type of kinematic fit to perform (default is d_NoFit) //fit types are of type DKinFitType, an enum defined in sim-recon/src/libraries/ANALYSIS/DReaction.h //Options: d_NoFit (default), d_P4Fit, d_VertexFit, d_P4AndVertexFit //P4 fits automatically constrain decaying particle masses, unless they are manually disabled locReaction->Set_KinFitType(d_P4AndVertexFit); // Highly Recommended: When generating particle combinations, reject all beam photons that match to a different RF bunch locReaction->Set_MaxPhotonRFDeltaT(1.5*dBeamBunchPeriod); // Highly Recommended: Cut on number of extra "good" tracks. "Good" tracks are ones that survive the "PreSelect" (or user custom) factory. // Important: Keep cut large: Can have many ghost and accidental tracks that look "good" locReaction->Set_MaxExtraGoodTracks(4); // Highly Recommended: Enable ROOT TTree output for this DReaction locReaction->Enable_TTreeOutput("tree_kpk0pixi.root"); //string is file name (must end in ".root"!!): doen't need to be unique, feel free to change /************************************************** kpk0pixi Pre-Combo Custom Cuts *************************************************/ // Highly Recommended: Very loose invariant mass cuts, applied during DParticleComboBlueprint construction locReaction->Set_InvariantMassCut(KShort, 0.3, 0.7); locReaction->Set_InvariantMassCut(Lambda, 1.0, 1.2); locReaction->Set_InvariantMassCut(XiMinus, 1.1, 1.5); // Highly Recommended: Very loose DAnalysisAction cuts, applied just after creating the combination (before saving it) locReaction->Add_ComboPreSelectionAction(new DCutAction_MissingMassSquared(locReaction, false, -0.1, 0.1)); /**************************************************** kpk0pixi Analysis Actions ****************************************************/ // Recommended: Analysis actions automatically performed by the DAnalysisResults factories to histogram useful quantities. //These actions are executed sequentially, and are executed on each surviving (non-cut) particle combination //Pre-defined actions can be found in ANALYSIS/DHistogramActions_*.h and ANALYSIS/DCutActions.h //If a histogram action is repeated, it should be created with a unique name (string) to distinguish them // HISTOGRAM PID locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction)); // CUT PID // SYS_TOF, SYS_BCAL, SYS_FCAL, ...: DetectorSystem_t: Defined in libraries/include/GlueX.h locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, PiPlus, SYS_TOF)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiPlus, SYS_BCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiPlus, SYS_FCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, PiMinus, SYS_TOF)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiMinus, SYS_BCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiMinus, SYS_FCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 0.75, KPlus, SYS_TOF)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, KPlus, SYS_BCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, KPlus, SYS_FCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, Proton, SYS_TOF)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, Proton, SYS_BCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, Proton, SYS_FCAL)); locReaction->Add_AnalysisAction(new DCutAction_NoPIDHit(locReaction, KPlus)); locReaction->Add_AnalysisAction(new DCustomAction_dEdxCut(locReaction, false)); //false: focus on keeping signal locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction, "PostPIDCuts")); // HISTOGRAM MASSES //false/true: measured/kinfit data locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, KShort, false, 800, 0.3, 0.7, "KShort")); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Lambda, false, 1000, 1.0, 1.2, "Lambda")); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, XiMinus, false, 1000, 1.1, 1.5, "XiMinus")); locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1)); //Resonances deque locXiStarPIDs; locXiStarPIDs.push_back(XiMinus); locXiStarPIDs.push_back(PiPlus); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, 0, locXiStarPIDs, false, 800, 1.3, 2.1, "XiStar")); // KINEMATIC FIT locReaction->Add_AnalysisAction(new DHistogramAction_KinFitResults(locReaction, 0.05)); //5% confidence level cut on pull histograms only locReaction->Add_AnalysisAction(new DCutAction_KinFitFOM(locReaction, -1.0)); // confidence level cut //-1: require kinematic fit converges // MASSES, PostKinFit locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, KShort, false, 800, 0.3, 0.7, "KShort_PostKinFit")); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Lambda, false, 1000, 1.0, 1.2, "Lambda_PostKinFit")); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, XiMinus, false, 1000, 1.1, 1.5, "XiMinus_PostKinFit")); locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1, "PostKinFit")); //Resonances, PostKinFit locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, 0, locXiStarPIDs, false, 800, 1.3, 2.1, "XiStar_PostKinFit")); // Kinematics locReaction->Add_AnalysisAction(new DHistogramAction_ParticleComboKinematics(locReaction, true, "KinFit")); //true: fill histograms with kinematic-fit particle data //"KinFit": unique name since action type is repeated locReaction->Add_AnalysisAction(new DHistogramAction_TrackVertexComparison(locReaction)); _data.push_back(locReaction); //Register the DReaction with the factory } { /************************************************** kpk0pixi_p4fit Reaction Definition *************************************************/ locReaction = new DReaction("kpk0pixi_p4fit"); //Required: DReactionSteps to specify the channel and decay chain you want to study //Particles are of type Particle_t, an enum defined in sim-recon/src/libraries/include/particleType.h //g, p -> K+, K0, pi+, xi- locReaction->Add_ReactionStep(locInitStep); //K0 -> pi+, pi- locReaction->Add_ReactionStep(locK0Step); //Xi- -> Lambda, pi- locReaction->Add_ReactionStep(locXiStep); //Lambda -> p, pi- locReaction->Add_ReactionStep(locLambdaStep); /**************************************************** kpk0pixi_p4fit Control Settings ****************************************************/ // Highly Recommended: Set EventStore skim query (use with "eventstore" source) // This will skip creating particle combos for events that aren't in the skims you list // Query should be comma-separated list of skims to boolean-AND together locReaction->Set_EventStoreSkims("xi-,ks_2piq,3q+"); //boolean-AND of skims //would use 4q+ if available // Recommended: Type of kinematic fit to perform (default is d_NoFit) //fit types are of type DKinFitType, an enum defined in sim-recon/src/libraries/ANALYSIS/DReaction.h //Options: d_NoFit (default), d_P4Fit, d_VertexFit, d_P4AndVertexFit //P4 fits automatically constrain decaying particle masses, unless they are manually disabled locReaction->Set_KinFitType(d_P4Fit); // Highly Recommended: When generating particle combinations, reject all beam photons that match to a different RF bunch locReaction->Set_MaxPhotonRFDeltaT(1.5*dBeamBunchPeriod); // Highly Recommended: Cut on number of extra "good" tracks. "Good" tracks are ones that survive the "PreSelect" (or user custom) factory. // Important: Keep cut large: Can have many ghost and accidental tracks that look "good" locReaction->Set_MaxExtraGoodTracks(4); // Highly Recommended: Enable ROOT TTree output for this DReaction locReaction->Enable_TTreeOutput("tree_kpk0pixi.root"); //string is file name (must end in ".root"!!): doen't need to be unique, feel free to change /************************************************** kpk0pixi_p4fit Pre-Combo Custom Cuts *************************************************/ // Highly Recommended: Very loose invariant mass cuts, applied during DParticleComboBlueprint construction locReaction->Set_InvariantMassCut(KShort, 0.3, 0.7); locReaction->Set_InvariantMassCut(Lambda, 1.0, 1.2); locReaction->Set_InvariantMassCut(XiMinus, 1.1, 1.5); // Highly Recommended: Very loose DAnalysisAction cuts, applied just after creating the combination (before saving it) locReaction->Add_ComboPreSelectionAction(new DCutAction_MissingMassSquared(locReaction, false, -0.1, 0.1)); /**************************************************** kpk0pixi_p4fit Analysis Actions ****************************************************/ // Recommended: Analysis actions automatically performed by the DAnalysisResults factories to histogram useful quantities. //These actions are executed sequentially, and are executed on each surviving (non-cut) particle combination //Pre-defined actions can be found in ANALYSIS/DHistogramActions_*.h and ANALYSIS/DCutActions.h //If a histogram action is repeated, it should be created with a unique name (string) to distinguish them // HISTOGRAM PID locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction)); // CUT PID // SYS_TOF, SYS_BCAL, SYS_FCAL, ...: DetectorSystem_t: Defined in libraries/include/GlueX.h locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, PiPlus, SYS_TOF)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiPlus, SYS_BCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiPlus, SYS_FCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, PiMinus, SYS_TOF)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiMinus, SYS_BCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiMinus, SYS_FCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 0.75, KPlus, SYS_TOF)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, KPlus, SYS_BCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, KPlus, SYS_FCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, Proton, SYS_TOF)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, Proton, SYS_BCAL)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, Proton, SYS_FCAL)); locReaction->Add_AnalysisAction(new DCutAction_NoPIDHit(locReaction, KPlus)); //false: measured data locReaction->Add_AnalysisAction(new DCustomAction_dEdxCut(locReaction, false)); //false: focus on keeping signal locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction, "PostPIDCuts")); // HISTOGRAM MASSES //false/true: measured/kinfit data locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, KShort, false, 800, 0.3, 0.7, "KShort")); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Lambda, false, 1000, 1.0, 1.2, "Lambda")); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, XiMinus, false, 1000, 1.1, 1.5, "XiMinus")); locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1)); //Resonances deque locXiStarPIDs; locXiStarPIDs.push_back(XiMinus); locXiStarPIDs.push_back(PiPlus); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, 0, locXiStarPIDs, false, 800, 1.3, 2.1, "XiStar")); // KINEMATIC FIT locReaction->Add_AnalysisAction(new DHistogramAction_KinFitResults(locReaction, 0.05)); //5% confidence level cut on pull histograms only locReaction->Add_AnalysisAction(new DCutAction_KinFitFOM(locReaction, -1.0)); // confidence level cut //-1: require kinematic fit converges // MASSES, PostKinFit locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, KShort, false, 800, 0.3, 0.7, "KShort_PostKinFit")); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Lambda, false, 1000, 1.0, 1.2, "Lambda_PostKinFit")); locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, XiMinus, false, 1000, 1.1, 1.5, "XiMinus_PostKinFit")); locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1, "PostKinFit")); //Resonances, PostKinFit locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, 0, locXiStarPIDs, false, 800, 1.3, 2.1, "XiStar_PostKinFit")); // Kinematics locReaction->Add_AnalysisAction(new DHistogramAction_ParticleComboKinematics(locReaction, true, "KinFit")); //true: fill histograms with kinematic-fit particle data //"KinFit": unique name since action type is repeated locReaction->Add_AnalysisAction(new DHistogramAction_TrackVertexComparison(locReaction)); _data.push_back(locReaction); //Register the DReaction with the factory } return NOERROR; } //------------------ // fini //------------------ jerror_t DReaction_factory_kpk0pixi::fini(void) { for(size_t loc_i = 0; loc_i < dReactionStepPool.size(); ++loc_i) delete dReactionStepPool[loc_i]; //cleanup memory return NOERROR; }