#include <HLTDisplacedtktkFilter.h>

Inheritance diagram for HLTDisplacedtktkFilter:

Public Member Functions
void	beginJob () override

void	endJob () override

	HLTDisplacedtktkFilter (const edm::ParameterSet &)

bool	hltFilter (edm::Event &, const edm::EventSetup &, trigger::TriggerFilterObjectWithRefs &filterproduct) const override

	~HLTDisplacedtktkFilter () override

Public Member Functions inherited from HLTFilter
	HLTFilter (const edm::ParameterSet &config)

int	module (edm::Event const &) const

const std::string *	moduleLabel () const

int	path (edm::Event const &) const

const std::string *	pathName (edm::Event const &) const

std::pair< int, int >	pmid (edm::Event const &) const

bool	saveTags () const

	~HLTFilter () override

Public Member Functions inherited from edm::global::EDFilter<>
	EDFilter ()=default

bool	hasAbilityToProduceInLumis () const final

bool	hasAbilityToProduceInRuns () const final

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

bool	wantsStreamLuminosityBlocks () const final

bool	wantsStreamRuns () const final

Public Member Functions inherited from edm::global::EDFilterBase
	EDFilterBase ()

ModuleDescription const &	moduleDescription () const

	~EDFilterBase () override

Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const

	ProducerBase ()

std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)

	~ProducerBase () noexcept(false) override

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)

Static Public Member Functions inherited from HLTFilter
static void	makeHLTFilterDescription (edm::ParameterSetDescription &desc)

Static Public Member Functions inherited from edm::global::EDFilterBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Private Attributes
edm::InputTag	beamSpotTag_

edm::EDGetTokenT< reco::BeamSpot >	beamSpotToken_

edm::InputTag	DisplacedVertexTag_

edm::EDGetTokenT< reco::VertexCollection >	DisplacedVertexToken_

bool	fastAccept_

double	maxLxySignificance_

double	maxNormalisedChi2_

double	minCosinePointingAngle_

double	minLxySignificance_

double	minVtxProbability_

edm::InputTag	TrackTag_

edm::EDGetTokenT< reco::RecoChargedCandidateCollection >	TrackToken_

const int	triggerTypeDaughters_

Additional Inherited Members
Public Types inherited from edm::global::EDFilterBase
typedef EDFilterBase	ModuleType

Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const , const char , edm::ProductResolverIndex >>

typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Detailed Description

Definition at line 12 of file HLTDisplacedtktkFilter.h.

Constructor & Destructor Documentation

HLTDisplacedtktkFilter::HLTDisplacedtktkFilter ( const edm::ParameterSet & iConfig )

explicit

Definition at line 36 of file HLTDisplacedtktkFilter.cc.

References ~HLTDisplacedtktkFilter().

                                                                              :
   HLTFilter(iConfig),
   fastAccept_ (iConfig.getParameter<bool>("FastAccept")),
   minLxySignificance_ (iConfig.getParameter<double>("MinLxySignificance")),
   maxLxySignificance_ (iConfig.getParameter<double>("MaxLxySignificance")),
   maxNormalisedChi2_ (iConfig.getParameter<double>("MaxNormalisedChi2")),
   minVtxProbability_ (iConfig.getParameter<double>("MinVtxProbability")),
   minCosinePointingAngle_ (iConfig.getParameter<double>("MinCosinePointingAngle")),
   triggerTypeDaughters_(iConfig.getParameter<int>("triggerTypeDaughters")),
   DisplacedVertexTag_(iConfig.getParameter<edm::InputTag>("DisplacedVertexTag")),
   DisplacedVertexToken_(consumes<reco::VertexCollection>(DisplacedVertexTag_)),
   beamSpotTag_ (iConfig.getParameter<edm::InputTag> ("BeamSpotTag")),
   beamSpotToken_(consumes<reco::BeamSpot>(beamSpotTag_)),
   TrackTag_ (iConfig.getParameter<edm::InputTag>("TrackTag")),
   TrackToken_(consumes<reco::RecoChargedCandidateCollection>(TrackTag_))
 {
 }

HLTDisplacedtktkFilter::~HLTDisplacedtktkFilter ( )

overridedefault

Referenced by HLTDisplacedtktkFilter().

Member Function Documentation

void HLTDisplacedtktkFilter::beginJob ( void )

overridevirtual

Reimplemented from edm::global::EDFilterBase.

Definition at line 74 of file HLTDisplacedtktkFilter.cc.

 {
 
 }

void HLTDisplacedtktkFilter::endJob ( void )

overridevirtual

Reimplemented from edm::global::EDFilterBase.

Definition at line 80 of file HLTDisplacedtktkFilter.cc.

 {
     
 }

void HLTDisplacedtktkFilter::fillDescriptions ( edm::ConfigurationDescriptions & descriptions )

static

Definition at line 57 of file HLTDisplacedtktkFilter.cc.

References edm::ConfigurationDescriptions::add(), edm::ParameterSetDescription::add(), and HLTFilter::makeHLTFilterDescription().

                                                                                         {
   edm::ParameterSetDescription desc;
   makeHLTFilterDescription(desc);
   desc.add<bool>("FastAccept",false);
   desc.add<double>("MinLxySignificance",0.0);
   desc.add<double>("MaxLxySignificance",0.0);
   desc.add<double>("MaxNormalisedChi2",10.0);
   desc.add<double>("MinVtxProbability",0.0);
   desc.add<double>("MinCosinePointingAngle",-2.0);
   desc.add<int>("triggerTypeDaughters",0);
   desc.add<edm::InputTag>("DisplacedVertexTag",edm::InputTag("hltDisplacedtktkVtx"));
   desc.add<edm::InputTag>("BeamSpotTag",edm::InputTag("hltOnlineBeamSpot"));
   desc.add<edm::InputTag>("TrackTag",edm::InputTag("hltL3MuonCandidates"));
   descriptions.add("hltDisplacedtktkFilter", desc);
  }

bool HLTDisplacedtktkFilter::hltFilter	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup,
		trigger::TriggerFilterObjectWithRefs &	filterproduct
	)		const

overridevirtual

Implements HLTFilter.

Definition at line 86 of file HLTDisplacedtktkFilter.cc.

References trigger::TriggerFilterObjectWithRefs::addCollectionTag(), trigger::TriggerRefsCollections::addObject(), beamSpotToken_, DisplacedVertexToken_, SoftLeptonByDistance_cfi::distance, reco::BeamSpot::dxdz(), reco::BeamSpot::dydz(), edm::Event::getByToken(), LogDebug, maxLxySignificance_, maxNormalisedChi2_, minCosinePointingAngle_, minLxySignificance_, minVtxProbability_, HLTFilter::saveTags(), mathSSE::sqrt(), TrackTag_, TrackToken_, triggerTypeDaughters_, reco::BeamSpot::x0(), reco::BeamSpot::y0(), and reco::BeamSpot::z0().

 {
 
 
   // get beam spot
   reco::BeamSpot vertexBeamSpot;
   edm::Handle<reco::BeamSpot> recoBeamSpotHandle;
   iEvent.getByToken(beamSpotToken_,recoBeamSpotHandle);
   vertexBeamSpot = *recoBeamSpotHandle;
 
 
   // get displaced vertices
   reco::VertexCollection displacedVertexColl;
   edm::Handle<reco::VertexCollection> displacedVertexCollHandle;
   bool foundVertexColl = iEvent.getByToken(DisplacedVertexToken_, displacedVertexCollHandle);
   if(foundVertexColl) displacedVertexColl = *displacedVertexCollHandle;
 
 
   // get track collection
   edm::Handle<reco::RecoChargedCandidateCollection> trackcands;
   iEvent.getByToken(TrackToken_,trackcands);
 
   // All HLT filters must create and fill an HLT filter object,
   // recording any reconstructed physics objects satisfying (or not)
   // this HLT filter, and place it in the Event.
 
 
   // Ref to Candidate object to be recorded in filter object
   reco::RecoChargedCandidateRef ref1;
   reco::RecoChargedCandidateRef ref2;
 
   if (saveTags()) filterproduct.addCollectionTag(TrackTag_);
 
   bool triggered = false;
 
   // loop over vertex collection
   for(auto displacedVertex : displacedVertexColl){
           // check if the vertex actually consists of exactly two track tracks, reject the event if not
           if(displacedVertex.tracksSize() != 2){
             edm::LogError("HLTDisplacedtktkFilter") << "HLTDisplacedtktkFilter: ERROR: the Jpsi vertex must have exactly two tracks by definition. It now has n tracks = "<< displacedVertex.tracksSize() << std::endl;
             return false;
           } 
 
           float normChi2 = displacedVertex.normalizedChi2();
       if (normChi2 > maxNormalisedChi2_) continue;
 
       double vtxProb = 0.0;
       if( (displacedVertex.chi2()>=0.0) && (displacedVertex.ndof()>0) ) vtxProb = TMath::Prob(displacedVertex.chi2(), displacedVertex.ndof() );
       if (vtxProb < minVtxProbability_) continue;
 
           // get the two tracks from the vertex
           auto trackIt =  displacedVertex.tracks_begin();
           reco::TrackRef vertextkRef1 =  (*trackIt).castTo<reco::TrackRef>() ;
           // the second one
           trackIt++;
           reco::TrackRef vertextkRef2 =  (*trackIt).castTo<reco::TrackRef>();
 
       // first find these two tracks in the track collection
       reco::RecoChargedCandidateCollection::const_iterator cand1;
       reco::RecoChargedCandidateCollection::const_iterator cand2;   
 
       int iFoundRefs = 0;
       for (auto cand=trackcands->begin(); cand!=trackcands->end(); cand++) {
         reco::TrackRef tkRef = cand->get<reco::TrackRef>();
         if(tkRef == vertextkRef1) {cand1 = cand; iFoundRefs++;}
         if(tkRef == vertextkRef2) {cand2 = cand; iFoundRefs++;}
       }
       
       if(iFoundRefs < 2){
             edm::LogError("HLTDisplacedtktkFilter") << "HLTDisplacedtktkFilter: ERROR: the tracks matched with the Jpsi vertex tracks should be at least two by definition."  << std::endl;
             return false;
           }     
           // calculate two-track transverse momentum
           math::XYZVector pperp(cand1->px() + cand2->px(),
                       cand1->py() + cand2->py(),
                       0.);
 
 
       const reco::Vertex::Point& vpoint=displacedVertex.position();
       //translate to global point, should be improved
       GlobalPoint secondaryVertex (vpoint.x(), vpoint.y(), vpoint.z());
 
       reco::Vertex::Error verr = displacedVertex.error();
       // translate to global error, should be improved
       GlobalError err(verr.At(0,0), verr.At(1,0), verr.At(1,1), verr.At(2,0), verr.At(2,1), verr.At(2,2) );
 
       GlobalPoint displacementFromBeamspot( -1*((vertexBeamSpot.x0() -  secondaryVertex.x()) +  (secondaryVertex.z() - vertexBeamSpot.z0()) * vertexBeamSpot.dxdz()),
                               -1*((vertexBeamSpot.y0() - secondaryVertex.y())+  (secondaryVertex.z() - vertexBeamSpot.z0()) * vertexBeamSpot.dydz()), 0);
 
           float lxy = displacementFromBeamspot.perp();
           float lxyerr = sqrt(err.rerr(displacementFromBeamspot));
 
 
           //calculate the angle between the decay length and the tktk momentum
       reco::Vertex::Point vperp(displacementFromBeamspot.x(),displacementFromBeamspot.y(),0.);
 
           float cosAlpha = vperp.Dot(pperp)/(vperp.R()*pperp.R());
 
           // check thresholds
           if (cosAlpha < minCosinePointingAngle_) continue;
           if (minLxySignificance_ > 0. && lxy/lxyerr < minLxySignificance_) continue;
       if (maxLxySignificance_ > 0. && lxy/lxyerr > maxLxySignificance_) continue;
       triggered = true;
 
       // now add the tracks that passed to the filter object
     
       ref1=reco::RecoChargedCandidateRef( edm::Ref<reco::RecoChargedCandidateCollection>    (trackcands,distance(trackcands->begin(), cand1)));
       filterproduct.addObject(triggerTypeDaughters_,ref1);
     
       ref2=reco::RecoChargedCandidateRef( edm::Ref<reco::RecoChargedCandidateCollection> (trackcands,distance(trackcands->begin(),cand2 )));
       filterproduct.addObject(triggerTypeDaughters_,ref2);
   }
 
   LogDebug("HLTDisplacedtktkFilter") << " >>>>> Result of HLTDisplacedtktkFilter is "<< triggered <<std::endl;
 
   return triggered;
 }

Member Data Documentation

edm::InputTag HLTDisplacedtktkFilter::beamSpotTag_

private

Definition at line 33 of file HLTDisplacedtktkFilter.h.

edm::EDGetTokenT<reco::BeamSpot> HLTDisplacedtktkFilter::beamSpotToken_

private

Definition at line 34 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

edm::InputTag HLTDisplacedtktkFilter::DisplacedVertexTag_

private

Definition at line 31 of file HLTDisplacedtktkFilter.h.

edm::EDGetTokenT<reco::VertexCollection> HLTDisplacedtktkFilter::DisplacedVertexToken_

private

Definition at line 32 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

bool HLTDisplacedtktkFilter::fastAccept_

private

Definition at line 23 of file HLTDisplacedtktkFilter.h.

double HLTDisplacedtktkFilter::maxLxySignificance_

private

Definition at line 25 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

double HLTDisplacedtktkFilter::maxNormalisedChi2_

private

Definition at line 26 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

double HLTDisplacedtktkFilter::minCosinePointingAngle_

private

Definition at line 28 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

double HLTDisplacedtktkFilter::minLxySignificance_

private

Definition at line 24 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

double HLTDisplacedtktkFilter::minVtxProbability_

private

Definition at line 27 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

edm::InputTag HLTDisplacedtktkFilter::TrackTag_

private

Definition at line 35 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

edm::EDGetTokenT<reco::RecoChargedCandidateCollection> HLTDisplacedtktkFilter::TrackToken_

private

Definition at line 36 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

const int HLTDisplacedtktkFilter::triggerTypeDaughters_

private

Definition at line 29 of file HLTDisplacedtktkFilter.h.

Referenced by hltFilter().

Public Member Functions

Static Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation