RazorVarProducer Class Reference

#include <RazorVarProducer.h>

Inheritance diagram for RazorVarProducer:

List of all members.

Public Member Functions
double	CalcMR (TLorentzVector ja, TLorentzVector jb)
double	CalcR (double MR, TLorentzVector ja, TLorentzVector jb, edm::Handle< reco::CaloMETCollection > met, std::vector< math::XYZTLorentzVector > muons)
virtual void	produce (edm::Event &, const edm::EventSetup &)
	RazorVarProducer (const edm::ParameterSet &)
	~RazorVarProducer ()
Private Attributes
edm::InputTag	inputMetTag_
edm::InputTag	inputTag_

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Detailed Description

Definition at line 13 of file RazorVarProducer.h.

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Constructor & Destructor Documentation

RazorVarProducer::RazorVarProducer

(

const edm::ParameterSet &

iConfig

)

[explicit]

Definition at line 26 of file RazorVarProducer.cc.

References edm::InputTag::encode(), inputMetTag_, inputTag_, and LogDebug.

                                                                 :
  inputTag_    (iConfig.getParameter<edm::InputTag>("inputTag")),
  inputMetTag_ (iConfig.getParameter<edm::InputTag>("inputMetTag")){

  produces<std::vector<double> >();

  LogDebug("") << "Inputs: "
               << inputTag_.encode() << " "
               << inputMetTag_.encode() << ".";
}

RazorVarProducer::~RazorVarProducer

(

)

Definition at line 37 of file RazorVarProducer.cc.

{
}

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Member Function Documentation

double RazorVarProducer::CalcMR	(	TLorentzVector	ja,
		TLorentzVector	jb
	)

Definition at line 76 of file RazorVarProducer.cc.

References funct::A, mathSSE::sqrt(), and groupFilesInBlocks::temp.

Referenced by produce().

                                                            {
  if(ja.Pt()<=0.1) return -1;

  ja.SetPtEtaPhiM(ja.Pt(),ja.Eta(),ja.Phi(),0.0);
  jb.SetPtEtaPhiM(jb.Pt(),jb.Eta(),jb.Phi(),0.0);
  
  if(ja.Pt() > jb.Pt()){
    TLorentzVector temp = ja;
    ja = jb;
    jb = temp;
  }
  
  double A = ja.P();
  double B = jb.P();
  double az = ja.Pz();
  double bz = jb.Pz();
  TVector3 jaT, jbT;
  jaT.SetXYZ(ja.Px(),ja.Py(),0.0);
  jbT.SetXYZ(jb.Px(),jb.Py(),0.0);
  double ATBT = (jaT+jbT).Mag2();
  
  double MR = sqrt((A+B)*(A+B)-(az+bz)*(az+bz)-
                   (jbT.Dot(jbT)-jaT.Dot(jaT))*(jbT.Dot(jbT)-jaT.Dot(jaT))/(jaT+jbT).Mag2());
  
  double mybeta = (jbT.Dot(jbT)-jaT.Dot(jaT))/
    sqrt(ATBT*((A+B)*(A+B)-(az+bz)*(az+bz)));
  
  double mygamma = 1./sqrt(1.-mybeta*mybeta);
  
  //use gamma times MRstar
  return MR*mygamma;  
}

double RazorVarProducer::CalcR	(	double	MR,
		TLorentzVector	ja,
		TLorentzVector	jb,
		edm::Handle< reco::CaloMETCollection >	met,
		std::vector< math::XYZTLorentzVector >	muons
	)

Definition at line 110 of file RazorVarProducer.cc.

References CaloMET_cfi::met, phi, mathSSE::sqrt(), and tmp.

Referenced by produce().

                                                                                                                                                         {
  //now we can calculate MTR
  TVector3 met;
  met.SetPtEtaPhi((inputMet->front()).pt(),0.0,(inputMet->front()).phi());
  
  std::vector<math::XYZTLorentzVector>::const_iterator muonIt;
  for(muonIt = muons.begin(); muonIt!=muons.end(); muonIt++){
    TVector3 tmp;
    tmp.SetPtEtaPhi(muonIt->pt(),0,muonIt->phi());
    met-=tmp;
  }

  double MTR = sqrt(0.5*(met.Mag()*(ja.Pt()+jb.Pt()) - met.Dot(ja.Vect()+jb.Vect())));
  
  //filter events
  return float(MTR)/float(MR); //R
  
}

void RazorVarProducer::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		[virtual]

Implements edm::EDProducer.

Definition at line 43 of file RazorVarProducer.cc.

References CalcMR(), CalcR(), edm::Event::getByLabel(), inputMetTag_, inputTag_, edm::Event::put(), dttmaxenums::R, dt_dqm_sourceclient_common_cff::reco, and query::result.

{
   using namespace std;
   using namespace edm;
   using namespace reco;


   // get hold of collection of objects
   Handle< vector<math::XYZTLorentzVector> > hemispheres;
   iEvent.getByLabel (inputTag_,hemispheres);

   // get hold of the MET Collection
   Handle<CaloMETCollection> inputMet;
   iEvent.getByLabel(inputMetTag_,inputMet);  

   std::auto_ptr<std::vector<double> > result(new std::vector<double>); 
   // check the the input collections are available
   if (hemispheres.isValid() && inputMet.isValid() && hemispheres->size() > 1){

     TLorentzVector ja(hemispheres->at(0).x(),hemispheres->at(0).y(),hemispheres->at(0).z(),hemispheres->at(0).t());
     TLorentzVector jb(hemispheres->at(1).x(),hemispheres->at(1).y(),hemispheres->at(1).z(),hemispheres->at(1).t());

     std::vector<math::XYZTLorentzVector> muonVec;
     const double MR = CalcMR(ja,jb);
     const double R  = CalcR(MR,ja,jb,inputMet,muonVec);
     result->push_back(MR);
     result->push_back(R);
     
   }
   iEvent.put(result);
}

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Member Data Documentation

edm::InputTag RazorVarProducer::inputMetTag_ [private]

Definition at line 25 of file RazorVarProducer.h.

Referenced by produce(), and RazorVarProducer().

edm::InputTag RazorVarProducer::inputTag_ [private]

Definition at line 24 of file RazorVarProducer.h.

Referenced by produce(), and RazorVarProducer().