#include <PythiaFilterGammaJet.h>

Inheritance diagram for PythiaFilterGammaJet:

Public Member Functions
virtual bool	filter (edm::Event &, const edm::EventSetup &)

	PythiaFilterGammaJet (const edm::ParameterSet &)

	~PythiaFilterGammaJet ()

Public Member Functions inherited from edm::EDFilter
	EDFilter ()

ModuleDescription const &	moduleDescription () const

virtual	~EDFilter ()

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

	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

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

virtual	~ProducerBase ()

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

	EDConsumerBase ()

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

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

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

std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const

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

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Private Attributes
double	cone

double	deltaEB

double	deltaEE

double	detaMax

double	dphiMin

double	ebEtaMax

double	etaMax

double	etaPhotonCut2

int	maxnumberofeventsinrun

double	ptMax

double	ptMin

double	ptSeed

int	theNumberOfSelected

edm::EDGetTokenT < edm::HepMCProduct >	token_

Additional Inherited Members
Public Types inherited from edm::EDFilter
typedef EDFilter	ModuleType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

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

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &)

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 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

PythiaFilterGammaJet filter implements generator-level preselections for photon+jet like events to be used in jet energy calibration. Ported from fortran code written by V.Konoplianikov.

Author: A.Ulyanov, ITEP

Definition at line 30 of file PythiaFilterGammaJet.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 40 of file PythiaFilterGammaJet.cc.

References deltaEB, deltaEE, and theNumberOfSelected.

                                                                          :
 token_(consumes<edm::HepMCProduct>(edm::InputTag(iConfig.getUntrackedParameter("moduleLabel",std::string("generator")),"unsmeared"))),
 etaMax(iConfig.getUntrackedParameter<double>("MaxPhotonEta", 2.8)),
 ptSeed(iConfig.getUntrackedParameter<double>("PhotonSeedPt", 5.)),
 ptMin(iConfig.getUntrackedParameter<double>("MinPhotonPt")),
 ptMax(iConfig.getUntrackedParameter<double>("MaxPhotonPt")),
 dphiMin(iConfig.getUntrackedParameter<double>("MinDeltaPhi", -1)/180*M_PI),
 detaMax(iConfig.getUntrackedParameter<double>("MaxDeltaEta", 10.)),
 etaPhotonCut2(iConfig.getUntrackedParameter<double>("MinPhotonEtaForwardJet", 1.3)),
 cone(0.5),ebEtaMax(1.479),
 maxnumberofeventsinrun(iConfig.getUntrackedParameter<int>("MaxEvents",10000)){ 
   
   deltaEB=0.01745/2  *5; // delta_eta, delta_phi
   deltaEE=2.93/317/2 *5; // delta_x/z, delta_y/z
   theNumberOfSelected = 0;
 }

PythiaFilterGammaJet::~PythiaFilterGammaJet ( )

Definition at line 58 of file PythiaFilterGammaJet.cc.

58 {}

Member Function Documentation

bool PythiaFilterGammaJet::filter	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

virtual

Implements edm::EDFilter.

Definition at line 62 of file PythiaFilterGammaJet.cc.

References funct::abs(), cone, deltaEB, deltaEE, SiPixelRawToDigiRegional_cfi::deltaPhi, reco::deltaR2(), detaMax, dphiMin, ebEtaMax, HLT_25ns14e33_v1_cff::etaJet, etaMax, etaPhotonCut2, Exception, GenParticle::GenParticle, edm::Event::getByToken(), edm::EventSetup::getData(), i, maxnumberofeventsinrun, AlCaHLTBitMon_ParallelJobs::p, sysUtil::pid, EnergyCorrector::pt, ptMax, ptSeed, theNumberOfSelected, and token_.

                                                                               {
 
   if(theNumberOfSelected>=maxnumberofeventsinrun)   {
     throw cms::Exception("endJob")<<"we have reached the maximum number of events ";
   }
 
   bool accepted = false;
   edm::Handle<edm::HepMCProduct> evt;
   iEvent.getByToken(token_, evt);
 
   std::list<const HepMC::GenParticle *> seeds;
   const HepMC::GenEvent * myGenEvent = evt->GetEvent();
 
   if(myGenEvent->signal_process_id() == 14 || myGenEvent->signal_process_id() == 29) {
 
 
   for ( HepMC::GenEvent::particle_const_iterator p = myGenEvent->particles_begin();   p != myGenEvent->particles_end(); ++p ) {
    
     if ( (*p)->pdg_id()==22 && (*p)->status()==1
      && (*p)->momentum().perp() > ptSeed 
      && std::abs((*p)->momentum().eta()) < etaMax  ) seeds.push_back(*p);
 
   }
 
   seeds.sort(ParticlePtGreater());
   for(std::list<const HepMC::GenParticle *>::const_iterator is=
     seeds.begin(); is!=seeds.end(); is++){
  
     double etaPhoton=(*is)->momentum().eta();
     double phiPhoton=(*is)->momentum().phi();
 
     HepMC::GenEvent::particle_const_iterator ppp = myGenEvent->particles_begin();
     for(int i=0;i<6;++i) ppp++;
     HepMC::GenParticle* particle7 = (*ppp);
     ppp++;
     HepMC::GenParticle* particle8 = (*ppp);
 
     double dphi7=std::abs(deltaPhi(phiPhoton, 
                    particle7->momentum().phi()));
     double dphi=std::abs(deltaPhi(phiPhoton, 
                   particle8->momentum().phi()));
     int jetline=8;
     if(dphi7>dphi) {
       dphi=dphi7;
       jetline=7;
     }
     if(dphi<dphiMin) continue;
     //double etaJet= myGenEvent->particle(jetline)->momentum().eta();
     double etaJet = 0.0;
     if(jetline==8) etaJet = particle8->momentum().eta();
     else etaJet = particle7->momentum().eta();
 
     double eta1=etaJet-detaMax;
     double eta2=etaJet+detaMax;
     if (eta1>etaPhotonCut2) eta1=etaPhotonCut2;
     if (eta2<-etaPhotonCut2) eta2=-etaPhotonCut2;
     if (etaPhoton<eta1 ||etaPhoton>eta2) continue;
 
     bool inEB(0);
     double tgx(0);
     double tgy(0);
     if( std::abs(etaPhoton)<ebEtaMax) inEB=1;
     else{
       tgx=(*is)->momentum().px()/(*is)->momentum().pz();
       tgy=(*is)->momentum().py()/(*is)->momentum().pz();
     }
 
     double etPhoton=0;
     double etPhotonCharged=0;
     double etCone=0;
     double etConeCharged=0;
     double ptMaxHadron=0;
     
     
     for ( HepMC::GenEvent::particle_const_iterator p = myGenEvent->particles_begin();   p != myGenEvent->particles_end(); ++p ) {
     
       if ( (*p)->status()!=1 ) continue; 
       int pid= (*p)->pdg_id();
       int apid= std::abs(pid);
       if (apid>11 &&  apid<20) continue; //get rid of muons and neutrinos
       double eta=(*p)->momentum().eta();
       double phi=(*p)->momentum().phi();
       if (deltaR2(etaPhoton, phiPhoton, eta, phi)>cone*cone) continue;
       double pt=(*p)->momentum().perp();
 
 
       edm::ESHandle<ParticleDataTable> pdt;
       iSetup.getData( pdt );
 
 
 //       double charge=(*p)->particledata().charge();
       //int charge3=(*p)->particleID().threeCharge();
 
       int charge3 = ((pdt->particle((*p)->pdg_id()))->ID().threeCharge());
       etCone+=pt;
       if(charge3 && pt<2) etConeCharged+=pt;
 
       //select particles matching a crystal array centered on photon
       if(inEB) {
     if(  std::abs(eta-etaPhoton)> deltaEB ||
          std::abs(deltaPhi(phi,phiPhoton)) > deltaEB) continue;
       }
       else if( std::abs((*p)->momentum().px()/(*p)->momentum().pz() - tgx)
            > deltaEE || 
            std::abs((*p)->momentum().py()/(*p)->momentum().pz() - tgy)
            > deltaEE) continue;
 
       etPhoton+=pt;
       if(charge3 && pt<2) etPhotonCharged+=pt;
       if(apid>100 && apid!=310 && pt>ptMaxHadron) ptMaxHadron=pt;
 
     }
 
     if(etPhoton<ptMin ||etPhoton>ptMax) continue;
 
     //isolation cuts
     if(etCone-etPhoton> 5+etPhoton/20-etPhoton*etPhoton/1e4) continue;
     if(etCone-etPhoton-(etConeCharged-etPhotonCharged) > 
        3+etPhoton/20-etPhoton*etPhoton*etPhoton/1e6) continue;
     if(ptMaxHadron > 4.5+etPhoton/40) continue;
     
     accepted=true;
     break;
 
   } //loop over seeds
   
   } else {
   // end of if(gammajetevent)
   return true;
   // accept all non-gammajet events
   }
   
   if (accepted) {
     theNumberOfSelected++;
     return true; 
   }
   else return false;
 
 }

Member Data Documentation

double PythiaFilterGammaJet::cone

private

Definition at line 48 of file PythiaFilterGammaJet.h.

Referenced by filter().

double PythiaFilterGammaJet::deltaEB

private

Definition at line 50 of file PythiaFilterGammaJet.h.

Referenced by filter(), and PythiaFilterGammaJet().

double PythiaFilterGammaJet::deltaEE

private

Definition at line 51 of file PythiaFilterGammaJet.h.

Referenced by filter(), and PythiaFilterGammaJet().

double PythiaFilterGammaJet::detaMax

private

Definition at line 45 of file PythiaFilterGammaJet.h.

Referenced by filter().

double PythiaFilterGammaJet::dphiMin

private

Definition at line 44 of file PythiaFilterGammaJet.h.

Referenced by filter().

double PythiaFilterGammaJet::ebEtaMax

private

Definition at line 49 of file PythiaFilterGammaJet.h.

Referenced by filter().

double PythiaFilterGammaJet::etaMax

private

Definition at line 40 of file PythiaFilterGammaJet.h.

Referenced by filter().

double PythiaFilterGammaJet::etaPhotonCut2

private

Definition at line 46 of file PythiaFilterGammaJet.h.

Referenced by filter().

int PythiaFilterGammaJet::maxnumberofeventsinrun

private

Definition at line 54 of file PythiaFilterGammaJet.h.

Referenced by filter().

double PythiaFilterGammaJet::ptMax

private

Definition at line 43 of file PythiaFilterGammaJet.h.

Referenced by filter().

double PythiaFilterGammaJet::ptMin

private

Definition at line 42 of file PythiaFilterGammaJet.h.

double PythiaFilterGammaJet::ptSeed

private

Definition at line 41 of file PythiaFilterGammaJet.h.

Referenced by filter().

int PythiaFilterGammaJet::theNumberOfSelected

private

Definition at line 53 of file PythiaFilterGammaJet.h.

Referenced by filter(), and PythiaFilterGammaJet().

edm::EDGetTokenT<edm::HepMCProduct> PythiaFilterGammaJet::token_

private

Definition at line 39 of file PythiaFilterGammaJet.h.

Referenced by filter().

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation