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| #include "Rivet/Analysis.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/WFinder.hh"
#include "Rivet/Projections/FastJets.hh"
#include "Rivet/Projections/VetoedFinalState.hh"
namespace Rivet {
///@brief Electroweak Wjj production at 8 TeV
class ATLAS_2014_I1319490 : public Analysis {
public:
RIVET_DEFAULT_ANALYSIS_CTOR(ATLAS_2014_I1319490);
// Book histograms and initialise projections before the run
void init() {
// Get options from the new option system
_mode = 0;
if ( getOption("LMODE") == "EL" ) _mode = 1;
if ( getOption("LMODE") == "MU" ) _mode = 2;
FinalState fs;
Cut cuts;
if (_mode == 2) { // muon channel
cuts = (Cuts::pT > 25.0*GeV) & Cuts::etaIn(-2.4, 2.4);
} else if (_mode) { // electron channel
cuts = (Cuts::pT > 25.0*GeV) & ( Cuts::etaIn(-2.47, -1.52) | Cuts::etaIn(-1.37, 1.37) | Cuts::etaIn(1.52, 2.47) );
} else { // combined data extrapolated to common phase space
cuts = (Cuts::pT > 25.0*GeV) & Cuts::etaIn(-2.5, 2.5);
}
// bosons
WFinder wfinder_mu(fs, cuts, PID::MUON, 40.0*GeV, YODA::MAXDOUBLE, 0.0*GeV, 0.1,
WFinder::ChargedLeptons::PROMPT, WFinder::ClusterPhotons::NODECAY, WFinder::AddPhotons::NO, WFinder::MassWindow::MT);
declare(wfinder_mu, "WFmu");
WFinder wfinder_el(fs, cuts, PID::ELECTRON, 40.0*GeV, YODA::MAXDOUBLE, 0.0*GeV, 0.1,
WFinder::ChargedLeptons::PROMPT, WFinder::ClusterPhotons::NODECAY, WFinder::AddPhotons::NO, WFinder::MassWindow::MT);
declare(wfinder_el, "WFel");
// jets
VetoedFinalState jet_fs(fs);
//jet_fs.addVetoOnThisFinalState(getProjection<WFinder>("WF"));
jet_fs.addVetoOnThisFinalState(wfinder_mu);
jet_fs.addVetoOnThisFinalState(wfinder_el);
FastJets jets(jet_fs, FastJets::ANTIKT, 0.4, JetAlg::Muons::ALL, JetAlg::Invisibles::DECAY);
declare(jets, "Jets");
// book histograms
book(histos["h_N_incl"] ,1,1,_mode+1);
book(histos["h_N"] ,4,1,_mode+1);
book(histos["h_pt_jet1_1jet"] ,5,1,_mode+1);
book(histos["h_pt_jet1_1jet_excl"] ,6,1,_mode+1);
book(histos["h_pt_jet1_2jet"] ,7,1,_mode+1);
book(histos["h_pt_jet1_3jet"] ,8,1,_mode+1);
book(histos["h_pt_jet2_2jet"] ,9,1,_mode+1);
book(histos["h_pt_jet3_3jet"] ,10,1,_mode+1);
book(histos["h_pt_jet4_4jet"] ,11,1,_mode+1);
book(histos["h_pt_jet5_5jet"] ,12,1,_mode+1);
book(histos["h_y_jet1_1jet"] ,13,1,_mode+1);
book(histos["h_y_jet2_2jet"] ,14,1,_mode+1);
book(histos["h_HT_1jet"] ,15,1,_mode+1);
book(histos["h_HT_1jet_excl"] ,16,1,_mode+1);
book(histos["h_HT_2jet"] ,17,1,_mode+1);
book(histos["h_HT_2jet_excl"] ,18,1,_mode+1);
book(histos["h_HT_3jet"] ,19,1,_mode+1);
book(histos["h_HT_3jet_excl"] ,20,1,_mode+1);
book(histos["h_HT_4jet"] ,21,1,_mode+1);
book(histos["h_HT_5jet"] ,22,1,_mode+1);
book(histos["h_deltaPhi_jet12"] ,23,1,_mode+1);
book(histos["h_deltaRap_jet12"] ,24,1,_mode+1);
book(histos["h_deltaR_jet12"] ,25,1,_mode+1);
book(histos["h_M_Jet12_2jet"] ,26,1,_mode+1);
book(histos["h_y_jet3_3jet"] ,27,1,_mode+1);
book(histos["h_y_jet4_4jet"] ,28,1,_mode+1);
book(histos["h_y_jet5_5jet"] ,29,1,_mode+1);
book(histos["h_ST_1jet"] ,30,1,_mode+1);
book(histos["h_ST_2jet"] ,31,1,_mode+1);
book(histos["h_ST_2jet_excl"] ,32,1,_mode+1);
book(histos["h_ST_3jet"] ,33,1,_mode+1);
book(histos["h_ST_3jet_excl"] ,34,1,_mode+1);
book(histos["h_ST_4jet"] ,35,1,_mode+1);
book(histos["h_ST_5jet"] ,36,1,_mode+1);
}
void fillPlots(const Particle& lepton, const double& missET, Jets& all_jets) {
// do jet-lepton overlap removal
Jets jets;
double ST = 0.0; // scalar pT sum of all selected jets
for (const Jet &j : all_jets) {
if (deltaR(j, lepton) > 0.5) {
jets += j;
ST += j.pT() / GeV;
}
}
const size_t njets = jets.size();
const double HT = ST + lepton.pT() / GeV + missET;
histos["h_N"]->fill(njets + 0.5);
for (size_t i = 0; i <= njets; ++i) {
histos["h_N_incl"]->fill(i + 0.5);
}
if (njets) {
const double pT1 = jets[0].pT() / GeV;
const double rap1 = jets[0].absrap();
histos["h_pt_jet1_1jet" ]->fill(pT1);
histos["h_y_jet1_1jet"]->fill(rap1);
histos["h_HT_1jet"]->fill(HT);
histos["h_ST_1jet"]->fill(ST);
if (njets == 1) {
histos["h_pt_jet1_1jet_excl"]->fill(pT1);
histos["h_HT_1jet_excl"]->fill(HT);
} else {
const double pT2 = jets[1].pT() / GeV;
const double rap2 = jets[1].absrap();
const double dR = deltaR(jets[0], jets[1]);
const double dRap = deltaRap(jets[0], jets[1]);
const double dPhi = deltaPhi(jets[0], jets[1]);
const double mjj = (jets[0].momentum() + jets[1].momentum()).mass() / GeV;
histos["h_pt_jet1_2jet"]->fill(pT1);
histos["h_pt_jet2_2jet"]->fill(pT2);
histos["h_y_jet2_2jet"]->fill(rap2);
histos["h_M_Jet12_2jet"]->fill(mjj);
histos["h_HT_2jet"]->fill(HT);
histos["h_ST_2jet"]->fill(ST);
histos["h_deltaPhi_jet12"]->fill(dPhi);
histos["h_deltaRap_jet12"]->fill(dRap);
histos["h_deltaR_jet12"]->fill(dR);
if (njets == 2) {
histos["h_ST_2jet_excl"]->fill(ST);
histos["h_HT_2jet_excl"]->fill(HT);
} else {
const double pT3 = jets[2].pT() / GeV;
const double rap3 = jets[2].absrap();
histos["h_pt_jet1_3jet"]->fill(pT1);
histos["h_pt_jet3_3jet"]->fill(pT3);
histos["h_y_jet3_3jet"]->fill(rap3);
histos["h_HT_3jet"]->fill(HT);
histos["h_ST_3jet"]->fill(ST);
if(njets == 3) {
histos["h_ST_3jet_excl"]->fill(ST);
histos["h_HT_3jet_excl"]->fill(HT);
} else {
const double pT4 = jets[3].pT() / GeV;
const double rap4 = jets[3].absrap();
histos["h_pt_jet4_4jet"]->fill(pT4);
histos["h_y_jet4_4jet"]->fill(rap4);
histos["h_HT_4jet"]->fill(HT);
histos["h_ST_4jet"]->fill(ST);
if (njets > 4) {
const double pT5 = jets[4].pT() / GeV;
const double rap5 = jets[4].absrap();
histos["h_pt_jet5_5jet"]->fill(pT5);
histos["h_y_jet5_5jet"]->fill(rap5);
histos["h_HT_5jet"]->fill(HT);
histos["h_ST_5jet"]->fill(ST);
}
}
}
}
}
}
// Perform the per-event analysis
void analyze(const Event& event) {
// Retrieve boson candidate
const WFinder& wfmu = apply<WFinder>(event, "WFmu");
const WFinder& wfel = apply<WFinder>(event, "WFel");
size_t nWmu = wfmu.size();
size_t nWel = wfel.size();
if (_mode == 0 && !((nWmu == 1 && !nWel) || (!nWmu && nWel == 1))) vetoEvent; // one W->munu OR W->elnu candidate, otherwise veto
if (_mode == 1 && !(!nWmu && nWel == 1)) vetoEvent; // one W->elnu candidate, otherwise veto
if (_mode == 2 && !(nWmu == 1 && !nWel)) vetoEvent; // one W->munu candidate, otherwise veto
// Retrieve jets
const JetAlg& jetfs = apply<JetAlg>(event, "Jets");
Jets all_jets = jetfs.jetsByPt(Cuts::pT > 30.0*GeV && Cuts::absrap < 4.4);
const Particles& leptons = (nWmu? wfmu : wfel).constituentLeptons();
const double missET = (nWmu? wfmu : wfel).constituentNeutrino().pT() / GeV;
if (leptons.size() == 1 && missET > 25. && (nWmu? wfmu : wfel).mT() > 40*GeV) {
const Particle& lep = leptons[0];
fillPlots(lep, missET, all_jets);
}
}
void finalize() {
const double sf = _mode? 1.0 : 0.5;
const double scalefactor = sf * crossSection() / sumOfWeights();
for (const auto& hist : histos) {
scale(hist.second, scalefactor);
}
}
protected:
size_t _mode;
private:
map<string, Histo1DPtr> histos;
};
RIVET_DECLARE_PLUGIN(ATLAS_2014_I1319490);
}
|