#include <ShiftedPFCandidateProducerByMatchedObject.h>

Inheritance diagram for ShiftedPFCandidateProducerByMatchedObject:

Classes
struct	objectEntryType

Public Member Functions
	ShiftedPFCandidateProducerByMatchedObject (const edm::ParameterSet &)

	~ShiftedPFCandidateProducerByMatchedObject () override

Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginProcessBlocks () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndProcessBlocks () const final

bool	hasAbilityToProduceInEndRuns () const final

Private Member Functions
void	produce (edm::Event &, const edm::EventSetup &) override

Private Attributes
double	dR2match_Object_

double	dR2match_PFCandidate_

double	dRmatch_Object_

double	dRmatch_PFCandidate_

std::vector< objectEntryType >	objects_

edm::EDGetTokenT< reco::PFCandidateCollection >	srcPFCandidates_

edm::EDGetTokenT< edm::View< reco::Candidate > >	srcShiftedObjects_

edm::EDGetTokenT< edm::View< reco::Candidate > >	srcUnshiftedObjects_

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
typedef CacheContexts< T... >	CacheTypes

typedef CacheTypes::GlobalCache	GlobalCache

typedef AbilityChecker< T... >	HasAbility

typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache

typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext

typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache

typedef CacheTypes::RunCache	RunCache

typedef RunContextT< RunCache, GlobalCache >	RunContext

typedef CacheTypes::RunSummaryCache	RunSummaryCache

Detailed Description

Vary energy of PFCandidates coinciding in eta-phi with selected electrons/muons/tau-jets/jets by electron/muon/tau-jet/jet energy uncertainty.

Author: Christian Veelken, LLR

Definition at line 31 of file ShiftedPFCandidateProducerByMatchedObject.h.

Constructor & Destructor Documentation

◆ ShiftedPFCandidateProducerByMatchedObject()

ShiftedPFCandidateProducerByMatchedObject::ShiftedPFCandidateProducerByMatchedObject ( const edm::ParameterSet & cfg )

explicit

Definition at line 5 of file ShiftedPFCandidateProducerByMatchedObject.cc.

                                                                                                                {
   srcPFCandidates_ = consumes<reco::PFCandidateCollection>(cfg.getParameter<edm::InputTag>("srcPFCandidates"));
   srcUnshiftedObjects_ = consumes<edm::View<reco::Candidate> >(cfg.getParameter<edm::InputTag>("srcUnshiftedObjects"));
   srcShiftedObjects_ = consumes<edm::View<reco::Candidate> >(cfg.getParameter<edm::InputTag>("srcShiftedObjects"));
  
   dRmatch_PFCandidate_ = cfg.getParameter<double>("dRmatch_PFCandidate");
   dR2match_PFCandidate_ = dRmatch_PFCandidate_ * dRmatch_PFCandidate_;
   dRmatch_Object_ = cfg.exists("dRmatch_Object") ? cfg.getParameter<double>("dRmatch_Object") : 0.1;
   dR2match_Object_ = dRmatch_Object_ * dRmatch_Object_;
   produces<reco::PFCandidateCollection>();
 }

References looper::cfg, dR2match_Object_, dR2match_PFCandidate_, dRmatch_Object_, dRmatch_PFCandidate_, srcPFCandidates_, srcShiftedObjects_, and srcUnshiftedObjects_.

◆ ~ShiftedPFCandidateProducerByMatchedObject()

ShiftedPFCandidateProducerByMatchedObject::~ShiftedPFCandidateProducerByMatchedObject ( )

override

Definition at line 17 of file ShiftedPFCandidateProducerByMatchedObject.cc.

                                                                                       {
   // nothing to be done yet...
 }

Member Function Documentation

◆ produce()

void ShiftedPFCandidateProducerByMatchedObject::produce	(	edm::Event &	evt,
		const edm::EventSetup &	es
	)

overrideprivate

Definition at line 21 of file ShiftedPFCandidateProducerByMatchedObject.cc.

                                                                                               {
   edm::Handle<reco::PFCandidateCollection> originalPFCandidates;
   evt.getByToken(srcPFCandidates_, originalPFCandidates);
  
   typedef edm::View<reco::Candidate> CandidateView;
  
   edm::Handle<CandidateView> unshiftedObjects;
   evt.getByToken(srcUnshiftedObjects_, unshiftedObjects);
  
   edm::Handle<CandidateView> shiftedObjects;
   evt.getByToken(srcShiftedObjects_, shiftedObjects);
  
   objects_.clear();
  
   CandidateView::const_iterator shiftedObjectP4_matched;
   bool isMatched_Object = false;
   double dR2bestMatch_Object = dRDefault;
   for (CandidateView::const_iterator unshiftedObject = unshiftedObjects->begin();
        unshiftedObject != unshiftedObjects->end();
        ++unshiftedObject) {
     isMatched_Object = false;
     dR2bestMatch_Object = dRDefault;
  
     for (CandidateView::const_iterator shiftedObject = shiftedObjects->begin(); shiftedObject != shiftedObjects->end();
          ++shiftedObject) {
       double dR2 = deltaR2(unshiftedObject->p4(), shiftedObject->p4());
       if (dR2 < dR2match_Object_ && dR2 < dR2bestMatch_Object) {
         shiftedObjectP4_matched = shiftedObject;
         isMatched_Object = true;
         dR2bestMatch_Object = dR2;
       }
     }
     if (isMatched_Object) {
       objects_.push_back(
           objectEntryType(shiftedObjectP4_matched->p4(), unshiftedObject->p4(), sqrt(dR2bestMatch_Object)));
     }
   }
  
   auto shiftedPFCandidates = std::make_unique<reco::PFCandidateCollection>();
  
   for (reco::PFCandidateCollection::const_iterator originalPFCandidate = originalPFCandidates->begin();
        originalPFCandidate != originalPFCandidates->end();
        ++originalPFCandidate) {
     double shift = 0.;
     bool applyShift = false;
     double dR2bestMatch_PFCandidate = dRDefault;
     for (std::vector<objectEntryType>::const_iterator object = objects_.begin(); object != objects_.end(); ++object) {
       if (!object->isValidMatch_)
         continue;
       double dR2 = deltaR2(originalPFCandidate->p4(), object->unshiftedObjectP4_);
       if (dR2 < dR2match_PFCandidate_ && dR2 < dR2bestMatch_PFCandidate) {
         shift = object->shift_;
         applyShift = true;
         dR2bestMatch_PFCandidate = dR2;
       }
     }
  
     reco::Candidate::LorentzVector shiftedPFCandidateP4 = originalPFCandidate->p4();
     if (applyShift) {
       double shiftedPx = (1. + shift) * originalPFCandidate->px();
       double shiftedPy = (1. + shift) * originalPFCandidate->py();
       double shiftedPz = (1. + shift) * originalPFCandidate->pz();
       double mass = originalPFCandidate->mass();
       double shiftedEn = sqrt(shiftedPx * shiftedPx + shiftedPy * shiftedPy + shiftedPz * shiftedPz + mass * mass);
       shiftedPFCandidateP4.SetPxPyPzE(shiftedPx, shiftedPy, shiftedPz, shiftedEn);
     }
  
     reco::PFCandidate shiftedPFCandidate(*originalPFCandidate);
     shiftedPFCandidate.setP4(shiftedPFCandidateP4);
  
     shiftedPFCandidates->push_back(shiftedPFCandidate);
   }
  
   evt.put(std::move(shiftedPFCandidates));
 }