// $Id$ // // File: DReaction_factory_Bb2pi.cc // Created: Fri Jul 22 18:33:42 EDT 2016 // Creator: cfanelli (on Linux ifarm1401 2.6.32-431.el6.x86_64 x86_64) // #include "DReaction_factory_Bb2pi.h" //------------------ // brun //------------------ jerror_t DReaction_factory_Bb2pi::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_Bb2pi::evnt(JEventLoop* locEventLoop, uint64_t locEventNumber) { // Make as many DReaction objects as desired DReactionStep* locReactionStep = NULL; 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 /************************************************** Bb2pi_pmiss Reaction Definition *************************************************/ locReaction = new DReaction("Bb2pi_pmiss"); // g, p -> pi+, pi- (p) locReactionStep = new DReactionStep(); locReactionStep->Set_InitialParticleID(Gamma); locReactionStep->Set_TargetParticleID(Proton); locReactionStep->Add_FinalParticleID(Proton, true); //true: proton missing locReactionStep->Add_FinalParticleID(PiPlus); locReactionStep->Add_FinalParticleID(PiMinus); locReaction->Add_ReactionStep(locReactionStep); dReactionStepPool.push_back(locReactionStep); //register so will be deleted later: prevent memory leak /**************************************************** Bb2pi_pmiss 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("myskim1,myskim2,myskim3"); //boolean-AND of skims locReaction->Set_EventStoreSkims("q+,q-"); // 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(0.5*dBeamBunchPeriod); //should be minimum cut value // Optional: When generating particle combinations, reject all photon candidates with a PID confidence level < 5.73303E-7 (+/- 5-sigma) // Make sure PID errors are calculated correctly before using. //locReaction->Set_MinPhotonPIDFOM(5.73303E-7); // Optional: When generating particle combinations, reject all charged track candidates with a PID confidence level < 5.73303E-7 (+/- 5-sigma) // Make sure PID errors are calculated correctly before using. //locReaction->Set_MinChargedPIDFOM(5.73303E-7); // 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_Bb2pi_pmiss.root"); //string is file name (must end in ".root"!!): doen't need to be unique, feel free to change /************************************************** Bb2pi_pmiss Pre-Combo Custom Cuts *************************************************/ // Highly Recommended: Very loose invariant mass cuts, applied during DParticleComboBlueprint construction // Example: pi0 -> g, g cut // locReaction->Set_InvariantMassCut(Pi0, 0.0, 0.3); // Highly Recommended: Very loose DAnalysisAction cuts, applied just after creating the combination (before saving it) // Example: Missing mass of proton locReaction->Add_ComboPreSelectionAction(new DCutAction_MissingMass(locReaction, false, 0.7, 1.2)); /**************************************************** Bb2pi_pmiss Analysis Actions ****************************************************/ locReaction->Add_AnalysisAction(new DCutAction_BeamEnergy(locReaction,false,3.0,12.0)); // PID locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction)); locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, PiPlus, SYS_TOF)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiPlus, SYS_BCAL)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiPlus, SYS_FCAL)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, PiMinus, SYS_TOF)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiMinus, SYS_BCAL)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiMinus, SYS_FCAL)); //false: measured data //Unknown: All PIDs // Custom histograms for p2pi (no KinFit cut) locReaction->Add_AnalysisAction(new DCustomAction_p2pi_hists(locReaction, false, "TimingCut_Measured")); // Kinematic Fit Results locReaction->Add_AnalysisAction(new DHistogramAction_KinFitResults(locReaction, 0.05)); //5% confidence level cut on pull histograms only // Require KinFit converges locReaction->Add_AnalysisAction(new DCutAction_KinFitFOM(locReaction, -1.0)); //require kinematic fit converges // Custom histograms for p2pi (KinFit converges) locReaction->Add_AnalysisAction(new DCustomAction_p2pi_hists(locReaction, false, "KinFitConverge_Measured")); _data.push_back(locReaction); //Register the DReaction with the factory /**************************************************** Bb2pi_preco Reaction Steps ****************************************************/ //bool unused = false; locReaction = new DReaction("Bb2pi_preco"); //needs to be a unique name for each DReaction object, CANNOT (!) be "Thrown" // g, p -> pi+, pi- ,p locReactionStep = new DReactionStep(); locReactionStep->Set_InitialParticleID(Gamma); locReactionStep->Set_TargetParticleID(Proton); locReactionStep->Add_FinalParticleID(Proton); locReactionStep->Add_FinalParticleID(PiPlus); locReactionStep->Add_FinalParticleID(PiMinus); locReaction->Add_ReactionStep(locReactionStep); dReactionStepPool.push_back(locReactionStep); //register so will be deleted later: prevent memory leak /**************************************************** Bb2pi_preco Control Settings ****************************************************/ locReaction->Set_EventStoreSkims("2q+,q-"); locReaction->Set_KinFitType(d_P4AndVertexFit); //simultaneously constrain apply four-momentum conservation, invariant masses, and common-vertex constraints locReaction->Set_MaxPhotonRFDeltaT(0.5*dBeamBunchPeriod); //should be minimum cut value // Recommended: Enable ROOT TTree output for this DReaction locReaction->Enable_TTreeOutput("tree_Bb2pi_preco.root"); //string is file name (must end in ".root"!!): doen't need to be unique, feel free to change /************************************************** Bb2pi_preco Pre-Combo Custom Cuts *************************************************/ // Highly Recommended: Very loose invariant mass cuts, applied during DParticleComboBlueprint construction // Highly Recommended: Very loose DAnalysisAction cuts, applied just after creating the combination (before saving it) // Example: Missing mass of proton //locReaction->Add_ComboPreSelectionAction(new DCutAction_MissingMass(locReaction, false, 0.7, 1.2)); locReaction->Add_ComboPreSelectionAction(new DCutAction_MissingMassSquared(locReaction, false, -0.01, 0.01)); /**************************************************** Bb2pi_preco Analysis Actions ****************************************************/ locReaction->Add_AnalysisAction(new DCutAction_BeamEnergy(locReaction,false,3.0,12.0)); // PID locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction)); /* locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 5.0, Unknown, SYS_TOF)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 10.0, Unknown, SYS_BCAL)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 10.0, Unknown, SYS_FCAL)); //false: measured data //Unknown: All PIDs */ locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, PiPlus, SYS_TOF)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiPlus, SYS_BCAL)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiPlus, SYS_FCAL)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.0, PiMinus, SYS_TOF)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiMinus, SYS_BCAL)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, PiMinus, SYS_FCAL)); //false: measured data //Unknown: All PIDs locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, Proton, SYS_TOF)); //false: measured data locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, Proton, SYS_BCAL)); //false: measured data locReaction->Add_AnalysisAction(new DCutAction_PIDDeltaT(locReaction, false, 2.5, Proton, SYS_FCAL)); //false: measured data // Custom histograms (after PID) locReaction->Add_AnalysisAction(new DCustomAction_p2pi_hists(locReaction, false, "TimingCut_Measured")); // Diagnostics for unused tracks and showers with final selection (only useful when analyzing EVIO data) //if(unused) locReaction->Add_AnalysisAction(new DCustomAction_p2pi_unusedHists(locReaction, false, "TimingCut_Measured")); // Kinematic Fit Results locReaction->Add_AnalysisAction(new DHistogramAction_KinFitResults(locReaction, 0.05)); //5% confidence level cut on pull histograms only // Require KinFit converges locReaction->Add_AnalysisAction(new DCutAction_KinFitFOM(locReaction, -1.00)); //require kinematic fit converges // Custom histograms (after kinematic cuts) locReaction->Add_AnalysisAction(new DCustomAction_p2pi_hists(locReaction, false, "KinCut_Measured")); // Kinematics of final selection locReaction->Add_AnalysisAction(new DHistogramAction_ParticleComboKinematics(locReaction, false)); //false: fill histograms with measured particle data _data.push_back(locReaction); //Register the DReaction with the factory return NOERROR; } //------------------ // fini //------------------ jerror_t DReaction_factory_Bb2pi::fini(void) { for(size_t loc_i = 0; loc_i < dReactionStepPool.size(); ++loc_i) delete dReactionStepPool[loc_i]; //cleanup memory return NOERROR; }