#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	hasAbilityToProduceInLumis () const final

bool	hasAbilityToProduceInRuns () 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 ( const edm::ParameterSet & cfg )

explicit

Definition at line 5 of file ShiftedPFCandidateProducerByMatchedObject.cc.

References dR2match_Object_, dR2match_PFCandidate_, dRmatch_Object_, dRmatch_PFCandidate_, edm::ParameterSet::exists(), edm::ParameterSet::getParameter(), srcPFCandidates_, srcShiftedObjects_, and srcUnshiftedObjects_.

 {
   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>();
 }

ShiftedPFCandidateProducerByMatchedObject::~ShiftedPFCandidateProducerByMatchedObject ( )

override

Definition at line 19 of file ShiftedPFCandidateProducerByMatchedObject.cc.

 {
 // nothing to be done yet...
 }

Member Function Documentation

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

overrideprivate

Definition at line 24 of file ShiftedPFCandidateProducerByMatchedObject.cc.

References DEFINE_FWK_MODULE, reco::deltaR2(), dR2match_Object_, dR2match_PFCandidate_, dRDefault, edm::Event::getByToken(), ResonanceBuilder::mass, eostools::move(), resolutioncreator_cfi::object, objects_, edm::Event::put(), reco::LeafCandidate::setP4(), edm::shift, mathSSE::sqrt(), srcPFCandidates_, srcShiftedObjects_, and srcUnshiftedObjects_.

 {
   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));
 }