DReaction_factory_p3pi_hists.cc

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// $Id$
//
//    File: DReaction_factory_p3pi_hists.cc
// Created: Wed Mar 11 20:34:22 EDT 2015
// Creator: jrsteven (on Linux halldw1.jlab.org 2.6.32-504.8.1.el6.x86_64 x86_64)
//

#include "DReaction_factory_p3pi_hists.h"
#include "DCustomAction_HistOmegaVsMissProton.h"
#include "DCustomAction_CutExtraPi0.h"
#include "DCustomAction_CutExtraTrackPID.h"

//------------------
// brun
//------------------
jerror_t DReaction_factory_p3pi_hists::brun(JEventLoop* locEventLoop, int32_t locRunNumber)
{
   vector<double> locBeamPeriodVector;
   locEventLoop->GetCalib("PHOTON_BEAM/RF/beam_period", locBeamPeriodVector);
   dBeamBunchPeriod = locBeamPeriodVector[0];

   return NOERROR;
}

//------------------
// init
//------------------
jerror_t DReaction_factory_p3pi_hists::evnt(JEventLoop* locEventLoop, uint64_t locEventNumber)
{
   // Make as many DReaction objects as desired
   DReactionStep* locReactionStep = NULL;
   DReaction* locReaction;

   double minPi0FCAL_BCAL = 0.11;
   double maxPi0FCAL_BCAL = 0.16;

   // DOCUMENTATION:
   // ANALYSIS library: https://halldweb1.jlab.org/wiki/index.php/GlueX_Analysis_Software
   // DReaction factory: https://halldweb1.jlab.org/wiki/index.php/Analysis_DReaction

   /**************************************************** p3pi_preco_2FCAL Reaction Steps ****************************************************/

   locReaction = new DReaction("p3pi_preco_2FCAL"); //needs to be a unique name for each DReaction object, CANNOT (!) be "Thrown"

   // g, p -> omega, p
   locReactionStep = new DReactionStep();
   locReactionStep->Set_InitialParticleID(Gamma);
   locReactionStep->Set_TargetParticleID(Proton);
   locReactionStep->Add_FinalParticleID(omega);
   locReactionStep->Add_FinalParticleID(Proton); 
   locReaction->Add_ReactionStep(locReactionStep);
   dReactionStepPool.push_back(locReactionStep); //register so will be deleted later: prevent memory leak

   // omega -> pi+, pi-, pi0
   locReactionStep = new DReactionStep();
   locReactionStep->Set_InitialParticleID(omega);
   locReactionStep->Add_FinalParticleID(PiPlus);
   locReactionStep->Add_FinalParticleID(PiMinus);
   locReactionStep->Add_FinalParticleID(Pi0);
   locReaction->Add_ReactionStep(locReactionStep);
   dReactionStepPool.push_back(locReactionStep); //register so will be deleted later: prevent memory leak

   // pi0 -> g, g
   locReactionStep = new DReactionStep();
   locReactionStep->Set_InitialParticleID(Pi0);
   locReactionStep->Add_FinalParticleID(Gamma);
   locReactionStep->Add_FinalParticleID(Gamma);
   locReaction->Add_ReactionStep(locReactionStep);
   dReactionStepPool.push_back(locReactionStep); //register so will be deleted later: prevent memory leak

   /**************************************************** p3pi_preco_2FCAL Control Settings ****************************************************/

   // Event Store
   locReaction->Set_EventStoreSkims("2q+,q-,pi0"); // boolean-AND of skims

   // KINFIT
   locReaction->Set_KinFitType(d_P4AndVertexFit); //simultaneously constrain apply four-momentum conservation, invariant masses, and common-vertex constraints

   // Highly Recommended: When generating particle combinations, reject all beam photons that match to a different RF bunch
   locReaction->Set_NumPlusMinusRFBunches(0);

   /**************************************************** p3pi_preco_2FCAL Analysis Actions ****************************************************/

   // Require 2 photons in FCAL
   locReaction->Add_AnalysisAction(new DCustomAction_p3pi_Pi0Cuts(locReaction, false, 2));

   // PID
   locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction, false));

   // MASSES
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Pi0, false, 850, 0.05, 0.22, "Pi0"));
   locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, false, 600, 0.5, 1.1, "Omega"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, true, 600, 0.5, 1.1, "Omega_KinFit"));

   // Kinematic Fit Results
   locReaction->Add_AnalysisAction(new DHistogramAction_KinFitResults(locReaction, 0.05, true)); //5% confidence level cut on pull histograms only
   locReaction->Add_AnalysisAction(new DCutAction_KinFitFOM(locReaction, 5.73303E-7)); // confidence level cut //+/- 5 sigma

   // MASSES, POST-KINFIT
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Pi0, false, 850, 0.05, 0.22, "Pi0_PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1, "PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, false, 600, 0.5, 1.1, "Omega_PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, true, 600, 0.5, 1.1, "Omega_KinFit_PostKinFitCut"));

   // Kinematics of final selection
   locReaction->Add_AnalysisAction(new DHistogramAction_ParticleComboKinematics(locReaction, false, "Final")); //false: fill histograms with measured particle data

   _data.push_back(locReaction); //Register the DReaction with the factory



   /**************************************************** p3pi_preco_FCAL-BCAL Reaction Steps ****************************************************/

   locReaction = new DReaction("p3pi_preco_FCAL-BCAL"); //needs to be a unique name for each DReaction object, CANNOT (!) be "Thrown"
   locReaction->Add_ReactionStep(dReactionStepPool[0]);
   locReaction->Add_ReactionStep(dReactionStepPool[1]);
   locReaction->Add_ReactionStep(dReactionStepPool[2]);

   /**************************************************** p3pi_preco_FCAL-BCAL Control Settings ****************************************************/

   // Event Store
   locReaction->Set_EventStoreSkims("2q+,q-,pi0"); // boolean-AND of skims

   // KINFIT
   locReaction->Set_KinFitType(d_P4AndVertexFit); //simultaneously constrain apply four-momentum conservation, invariant masses, and common-vertex constraints

   // Highly Recommended: When generating particle combinations, reject all beam photons that match to a different RF bunch
   locReaction->Set_NumPlusMinusRFBunches(0);

   /**************************************************** p3pi_preco FCAL-BCAL Analysis Actions ****************************************************/

   // Require 1 photon in FCAL and 1 photon in BCAL
   locReaction->Add_AnalysisAction(new DCustomAction_p3pi_Pi0Cuts(locReaction, false, 1));

   // PID
   locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction, false));

   // MASSES
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Pi0, false, 850, 0.05, 0.22, "Pi0"));
   locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, false, 600, 0.5, 1.1, "Omega"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, true, 600, 0.5, 1.1, "Omega_KinFit"));

   // Kinematic Fit Results
   locReaction->Add_AnalysisAction(new DHistogramAction_KinFitResults(locReaction, 0.05, true)); //5% confidence level cut on pull histograms only
   locReaction->Add_AnalysisAction(new DCutAction_KinFitFOM(locReaction, 5.73303E-7)); // confidence level cut //+/- 5 sigma

   // MASSES, POST-KINFIT
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Pi0, false, 850, 0.05, 0.22, "Pi0_PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1, "PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, false, 600, 0.5, 1.1, "Omega_PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, true, 600, 0.5, 1.1, "Omega_KinFit_PostKinFitCut"));

   // Kinematics of final selection
   locReaction->Add_AnalysisAction(new DHistogramAction_ParticleComboKinematics(locReaction, false, "Final")); //false: fill histograms with measured particle data

   _data.push_back(locReaction); //Register the DReaction with the factory



   /**************************************************** p3pi_preco_2BCAL Reaction Steps ****************************************************/

   locReaction = new DReaction("p3pi_preco_2BCAL"); //needs to be a unique name for each DReaction object, CANNOT (!) be "Thrown"
   locReaction->Add_ReactionStep(dReactionStepPool[0]);
   locReaction->Add_ReactionStep(dReactionStepPool[1]);
   locReaction->Add_ReactionStep(dReactionStepPool[2]);

   /**************************************************** p3pi_preco_2BCAL Control Settings ****************************************************/

   // Event Store
   locReaction->Set_EventStoreSkims("2q+,q-,pi0"); // boolean-AND of skims

   // KINFIT
   locReaction->Set_KinFitType(d_P4AndVertexFit); //simultaneously constrain apply four-momentum conservation, invariant masses, and common-vertex constraints

   // Highly Recommended: When generating particle combinations, reject all beam photons that match to a different RF bunch
   locReaction->Set_NumPlusMinusRFBunches(0);

   /**************************************************** p3pi_preco_2BCAL Analysis Actions ****************************************************/

   // Require 1 photon in FCAL and 1 photon in BCAL
   locReaction->Add_AnalysisAction(new DCustomAction_p3pi_Pi0Cuts(locReaction, false, 0));

   // PID
   locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction, false));

   // MASSES
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Pi0, false, 850, 0.05, 0.22, "Pi0"));
   locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, false, 600, 0.5, 1.1, "Omega"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, true, 600, 0.5, 1.1, "Omega_KinFit"));

   // Kinematic Fit Results
   locReaction->Add_AnalysisAction(new DHistogramAction_KinFitResults(locReaction, 0.05, true)); //5% confidence level cut on pull histograms only
   locReaction->Add_AnalysisAction(new DCutAction_KinFitFOM(locReaction, 5.73303E-7)); // confidence level cut //+/- 5 sigma

   // MASSES, POST-KINFIT
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Pi0, false, 850, 0.05, 0.22, "Pi0_PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1, "PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, false, 600, 0.5, 1.1, "Omega_PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, true, 600, 0.5, 1.1, "Omega_KinFit_PostKinFitCut"));

   // Kinematics of final selection
   locReaction->Add_AnalysisAction(new DHistogramAction_ParticleComboKinematics(locReaction, false, "Final")); //false: fill histograms with measured particle data

   _data.push_back(locReaction); //Register the DReaction with the factory



   /**************************************************** p3pi_preco_any Reaction Steps ****************************************************/

   locReaction = new DReaction("p3pi_preco_any"); //needs to be a unique name for each DReaction object, CANNOT (!) be "Thrown"
   locReaction->Add_ReactionStep(dReactionStepPool[0]);
   locReaction->Add_ReactionStep(dReactionStepPool[1]);
   locReaction->Add_ReactionStep(dReactionStepPool[2]);

   /**************************************************** p3pi_preco_any Control Settings ****************************************************/

   // Event Store
   locReaction->Set_EventStoreSkims("2q+,q-,pi0"); // boolean-AND of skims

   // KINFIT
   //locReaction->Set_KinFitType(d_P4AndVertexFit); //simultaneously constrain apply four-momentum conservation, invariant masses, and common-vertex constraints

   // Highly Recommended: When generating particle combinations, reject all beam photons that match to a different RF bunch
   locReaction->Set_NumPlusMinusRFBunches(0);

   /**************************************************** p3pi_preco_any Analysis Actions ****************************************************/

   // PID
   locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction, false));

   // Pi0
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Pi0, false, 850, 0.05, 0.22, "Pi0"));
   locReaction->Add_AnalysisAction(new DCutAction_InvariantMass(locReaction, Pi0, false, minPi0FCAL_BCAL, maxPi0FCAL_BCAL));

   // Custom histograms for p3pi
   locReaction->Add_AnalysisAction(new DCustomAction_p3pi_hists(locReaction, false));

   // MISSING MASS
   locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1));
   locReaction->Add_AnalysisAction(new DCutAction_MissingMassSquared(locReaction, false, -0.01, 0.005));

   // OMEGA
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, false, 600, 0.5, 1.1, "Omega"));

   // Kinematics of final selection
   locReaction->Add_AnalysisAction(new DHistogramAction_ParticleComboKinematics(locReaction, false, "Final")); //false: fill histograms with measured particle data

   _data.push_back(locReaction); //Register the DReaction with the factory



   /**************************************************** p3pi_preco_any_kinfit Reaction Steps ****************************************************/

   locReaction = new DReaction("p3pi_preco_any_kinfit"); //needs to be a unique name for each DReaction object, CANNOT (!) be "Thrown"
   locReaction->Add_ReactionStep(dReactionStepPool[0]);
   locReaction->Add_ReactionStep(dReactionStepPool[1]);
   locReaction->Add_ReactionStep(dReactionStepPool[2]);

   /**************************************************** p3pi_preco_any_kinfit Control Settings ****************************************************/

   // Event Store
   locReaction->Set_EventStoreSkims("2q+,q-,pi0"); // boolean-AND of skims

   // KINFIT
   locReaction->Set_KinFitType(d_P4AndVertexFit); //simultaneously constrain apply four-momentum conservation, invariant masses, and common-vertex constraints

   // Highly Recommended: When generating particle combinations, reject all beam photons that match to a different RF bunch
   locReaction->Set_NumPlusMinusRFBunches(0);

   /**************************************************** p3pi_preco_any_kinfit Analysis Actions ****************************************************/

   // PID
   locReaction->Add_AnalysisAction(new DHistogramAction_PID(locReaction, false));

   // MASSES
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Pi0, false, 850, 0.05, 0.22, "Pi0"));
   locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, false, 600, 0.5, 1.1, "Omega"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, true, 600, 0.5, 1.1, "Omega_KinFit"));

   // Kinematic Fit Results
   locReaction->Add_AnalysisAction(new DHistogramAction_KinFitResults(locReaction, 0.05, true)); //5% confidence level cut on pull histograms only
   locReaction->Add_AnalysisAction(new DCutAction_KinFitFOM(locReaction, 5.73303E-7)); // confidence level cut //+/- 5 sigma

   // MASSES, POST-KINFIT
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, Pi0, false, 850, 0.05, 0.22, "Pi0_PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_MissingMassSquared(locReaction, false, 1000, -0.1, 0.1, "PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, false, 600, 0.5, 1.1, "Omega_PostKinFitCut"));
   locReaction->Add_AnalysisAction(new DHistogramAction_InvariantMass(locReaction, omega, true, 600, 0.5, 1.1, "Omega_KinFit_PostKinFitCut"));

   // Kinematics of final selection
   locReaction->Add_AnalysisAction(new DHistogramAction_ParticleComboKinematics(locReaction, false, "Final")); //false: fill histograms with measured particle data

   _data.push_back(locReaction); //Register the DReaction with the factory

   return NOERROR;
}

//------------------
// fini
//------------------
jerror_t DReaction_factory_p3pi_hists::fini(void)
{
   for(size_t loc_i = 0; loc_i < dReactionStepPool.size(); ++loc_i)
      delete dReactionStepPool[loc_i]; //cleanup memory
   return NOERROR;
}