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// -*- C++ -*-
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//
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// Package: TransMassTwo
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// Class: TransMassTwo
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//
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/**\class TransMassTwo TransMassTwo.cc UserCode/TransMassTwo/src/TransMassTwo.cc
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Description: [one line class summary]
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Implementation:
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[Notes on implementation]
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*/
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//
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// Original Author: Stephen Mrenna
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// Created: Tue Aug 24 11:59:56 CDT 2010
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// $Id$
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//
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//
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// system include files
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#include <memory>
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// user include files
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#include "FWCore/Framework/interface/Frameworkfwd.h"
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#include "FWCore/Framework/interface/EDAnalyzer.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/Framework/interface/MakerMacros.h"
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#include "FWCore/Utilities/interface/InputTag.h"
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//#include "FWCore/ParameterSet/interface/InputTag.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "UserCode/TransMassTwo/interface/mt2_bisect.h"
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#include "DataFormats/PatCandidates/interface/Jet.h"
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#include "DataFormats/PatCandidates/interface/MET.h"
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#include "DataFormats/PatCandidates/interface/Photon.h"
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#include "DataFormats/PatCandidates/interface/Muon.h"
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#include "DataFormats/PatCandidates/interface/Electron.h"
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#include "DataFormats/PatCandidates/interface/Tau.h"
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#include "DataFormats/Math/interface/LorentzVector.h"
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#include "UserCode/TransMassTwo/interface/MuonPair.h"
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#include "TTree.h"
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#include "TLorentzVector.h"
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#include "TFile.h"
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//
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// class declaration
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//
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class TransMassTwo : public edm::EDAnalyzer {
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public:
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TransMassTwo(const edm::ParameterSet&);
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~TransMassTwo();
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private:
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virtual void beginJob() ;
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virtual void analyze(const edm::Event&, const edm::EventSetup&);
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virtual void endJob() ;
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edm::InputTag jetSrc_;
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edm::InputTag muonSrc_;
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edm::InputTag elecSrc_ ;
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edm::InputTag metSrc_;
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MuonPair *MuonPair_;
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TTree *tree_;
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TFile *rootfile_;
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};
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//
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// constants, enums and typedefs
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//
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//
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// static data member definitions
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//
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//
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// constructors and destructor
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//
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TransMassTwo::TransMassTwo(const edm::ParameterSet& iConfig) :
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jetSrc_(iConfig.getParameter<edm::InputTag>("jetSrc")),
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muonSrc_(iConfig.getParameter<edm::InputTag>("muonSrc")),
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elecSrc_(iConfig.getParameter<edm::InputTag>("elecSrc")),
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metSrc_(iConfig.getParameter<edm::InputTag>("metSrc"))
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{
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//now do what ever initialization is needed
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// if you just want a local file or do not care, do this
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// else, you can you file services
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std::string rootFileName = "testFile.root";
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rootfile_ = new TFile(rootFileName.c_str(),"RECREATE");
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// create tree
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tree_ = new TTree("top","top");
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tree_->AutoSave();
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MuonPair_ = new MuonPair();
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std::cout << "making branch " << std::endl;
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tree_ ->Branch("muonpair",&MuonPair_);
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std::cout << "made branch " << std::endl;
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}
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TransMassTwo::~TransMassTwo()
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{
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// do anything here that needs to be done at desctruction time
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// (e.g. close files, deallocate resources etc.)
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rootfile_ -> cd();
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tree_ -> Write();
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rootfile_ -> Close();
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delete MuonPair_;
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}
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//
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// member functions
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//
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// ------------ method called to for each event ------------
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void
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TransMassTwo::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
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{
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using namespace edm;
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edm::Handle<std::vector<pat::Jet> > allJets;
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edm::Handle<std::vector<pat::Muon> > allMuons;
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edm::Handle<std::vector<pat::Electron> > allElecs;
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edm::Handle<std::vector<pat::MET> > allMET;
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iEvent.getByLabel(jetSrc_ ,allJets);
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iEvent.getByLabel(muonSrc_,allMuons);
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iEvent.getByLabel(elecSrc_,allElecs);
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iEvent.getByLabel(metSrc_ ,allMET);
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if(!allJets.isValid() ) {
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std::cerr << "[FWLiteJetAnalyzer_Selector] caught std::excepton" << std::endl;
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std::cerr << "Jet Collection is not valid" << std::endl;
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return;
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}
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if(!allMuons.isValid() ) {
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std::cerr << "[FWLiteJetAnalyzer_Selector] caught std::excepton" << std::endl;
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std::cerr << "Muon Collection is not valid" << std::endl;
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return;
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}
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if(!allElecs.isValid() ) {
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std::cerr << "[FWLiteJetAnalyzer_Selector] caught std::excepton" << std::endl;
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std::cerr << "Electron Collection is not valid" << std::endl;
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return;
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}
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if(!allMET.isValid() ) {
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std::cerr << "[FWLiteJetAnalyzer_Selector] caught std::excepton" << std::endl;
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std::cerr << "MET Collection is not valid" << std::endl;
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return;
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}
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std::vector<pat::Jet> allAnalJets = *allJets;
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std::vector<pat::Muon> allAnalMuons = *allMuons;
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std::vector<pat::Electron> allAnalElecs = *allElecs;
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std::vector<pat::MET> allAnalMET = *allMET;
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int nMuons=0;
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size_t muonOne=-1;
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size_t muonTwo=-1;
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double ptMuonOne=-1.0;
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double ptMuonTwo=-1.0;
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int count=0;
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for ( std::vector<pat::Muon>::const_iterator it = allAnalMuons.begin();
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it!=allAnalMuons.end();++it,++count) {
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const pat::Muon & mu = *it;
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double pt = mu.pt();
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// hists["hist_muonPt"]->Fill( pt );
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++nMuons;
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if( pt>ptMuonTwo ) {
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if( pt>ptMuonOne ) {
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ptMuonTwo = ptMuonOne;
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muonTwo = muonOne;
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ptMuonOne = pt;
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muonOne = count;
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} else {
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ptMuonTwo=pt;
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muonTwo=count;
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}
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}
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}
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// hists["hist_nMuon"]->Fill(double(nMuons));
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int nElecs=0;
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size_t elecOne=-1;
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size_t elecTwo=-1;
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double ptElecOne=-1;
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double ptElecTwo=-1;
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count=0;
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for ( std::vector<pat::Electron>::const_iterator it = allAnalElecs.begin();
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it!=allAnalElecs.end();++it,++count) {
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const pat::Electron & mu = *it;
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double pt = mu.pt();
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// hists["hist_elecPt"]->Fill( pt );
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++nElecs;
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if( pt>ptElecTwo ) {
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if( pt>ptElecOne ) {
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ptElecTwo = ptElecOne;
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elecTwo = elecOne;
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ptElecOne = pt;
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elecOne = count;
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} else {
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ptElecTwo=pt;
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elecTwo=count;
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}
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}
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}
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// hists["hist_nElec"]->Fill(double(nElecs));
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int nLeptons=nElecs+nMuons;
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// hists["hist_nLepton"]->Fill(double(nLeptons));
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/* char temp[100];
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int n = sprintf(temp," %f %f %d %d %d %d %d %d\n",ptMuonOne,ptElecOne,muonOne,muonTwo,elecOne,elecTwo,nMuons,nElecs);
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std::cout << temp << std::endl; */
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double ptax=0,ptay=0;
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double ptbx=0,ptby=0;
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if(nElecs + nMuons > 1 ) {
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if( ptElecTwo > ptMuonOne ) {
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pat::Electron & mu = allAnalElecs[elecOne];
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ptax = mu.px();
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ptay = mu.py();
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mu = allAnalElecs[elecTwo];
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ptbx = mu.px();
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ptby = mu.py();
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} else if( ptMuonTwo > ptElecOne ) {
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pat::Muon & mu = allAnalMuons[muonOne];
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ptax = mu.px();
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ptay = mu.py();
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mu = allAnalMuons[muonTwo];
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ptbx = mu.px();
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ptby = mu.py();
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} else {
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pat::Electron & el = allAnalElecs[elecOne];
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ptax = el.px();
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ptay = el.py();
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pat::Muon & mu = allAnalMuons[muonOne];
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ptbx = mu.px();
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ptby = mu.py();
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}
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pat::MET & met = allAnalMET[0];
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//pa, pb = {mass, px, py}
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//pmiss = {NULL, pxmiss, pymiss}
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//mn = invisible particle mass
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double pa[3] = { 0.0, ptax, ptay };
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double pb[3] = { 0.0, ptbx, ptby };
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double pmiss[3] = { 0, met.px(), met.py() };
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double mn = 0.;
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mt2_bisect::mt2 mt2_event;
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mt2_event.set_momenta(pa,pb,pmiss);
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mt2_event.set_mn(mn);
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// mt2_event.print();
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// std::cout << std::endl << " mt2 = " << mt2_event.get_mt2() << " " << allAnalMET.size() << std::endl;
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double mt2Out = mt2_event.get_mt2();
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MuonPair_->mu1 = TLorentzVector(ptax,ptay,0.,0.);
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MuonPair_->mu2 = TLorentzVector(ptbx,ptby,0.,0.);
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MuonPair_->mT2 = mt2Out;
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tree_ -> Fill();
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// if( mt2Out > 0.0 ) hists["hist_mT2"]->Fill(mt2Out);
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}
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}
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// ------------ method called once each job just before starting event loop ------------
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void
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TransMassTwo::beginJob()
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{
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}
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// ------------ method called once each job just after ending the event loop ------------
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void
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TransMassTwo::endJob() {
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}
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#include "FWCore/Framework/interface/MakerMacros.h"
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DEFINE_FWK_MODULE(TransMassTwo);
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