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| // -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/PromptFinalState.hh"
#include "Rivet/Projections/FastJets.hh"
#include "Rivet/Projections/Sphericity.hh"
#include "Rivet/Projections/SmearedParticles.hh"
#include "Rivet/Projections/SmearedJets.hh"
#include "Rivet/Projections/SmearedMET.hh"
#include "Rivet/Tools/Cutflow.hh"
namespace Rivet {
/// @brief ATLAS 2016 0-lepton SUSY search, from 13/fb ICHEP'16 CONF note
class ATLAS_2016_CONF_2016_078 : public Analysis {
public:
/// Constructor
RIVET_DEFAULT_ANALYSIS_CTOR(ATLAS_2016_CONF_2016_078);
/// @name Analysis methods
//@{
/// Book histograms and initialise projections before the run
void init() {
// Initialise and register projections
FinalState calofs(Cuts::abseta < 3.2);
FastJets fj(calofs, FastJets::ANTIKT, 0.4);
declare(fj, "TruthJets");
declare(SmearedJets(fj, JET_SMEAR_ATLAS_RUN2, //JET_BTAG_ATLAS_RUN2_MV2C10
[](const Jet& j) {
if (j.abseta() > 2.5) return 0.;
return j.bTagged(Cuts::pT > 5*GeV) ? 0.77 : j.cTagged(Cuts::pT > 5*GeV) ? 1/6. : 1/134.;
}), "RecoJets");
MissingMomentum mm(calofs);
declare(mm, "TruthMET");
declare(SmearedMET(mm, MET_SMEAR_ATLAS_RUN2), "RecoMET");
PromptFinalState es(Cuts::abseta < 2.47 && Cuts::abspid == PID::ELECTRON, true, true);
declare(es, "TruthElectrons");
declare(SmearedParticles(es, ELECTRON_RECOEFF_ATLAS_RUN2, ELECTRON_SMEAR_ATLAS_RUN2), "RecoElectrons");
PromptFinalState mus(Cuts::abseta < 2.7 && Cuts::abspid == PID::MUON, true);
declare(mus, "TruthMuons");
declare(SmearedParticles(mus, MUON_EFF_ATLAS_RUN2, MUON_SMEAR_ATLAS_RUN2), "RecoMuons");
// Book histograms/counters
book(_h_2j_0800,"2j-0800");
book(_h_2j_1200,"2j-1200");
book(_h_2j_1600,"2j-1600");
book(_h_2j_2000,"2j-2000");
book(_h_3j_1200,"2j-2000");
book(_h_4j_1000,"4j-1000");
book(_h_4j_1400,"4j-1400");
book(_h_4j_1800,"4j-1800");
book(_h_4j_2200,"4j-2200");
book(_h_4j_2600,"4j-2600");
book(_h_5j_1400,"5j-1400");
book(_h_6j_1800,"6j-1800");
book(_h_6j_2200,"6j-2200");
// Book cut-flows
const vector<string> cuts23j = {"Pre-sel+MET+pT1+meff", "Njet", "Dphi_min(j123,MET)", "Dphi_min(j4+,MET)", "pT2", "eta_j12", "MET/sqrtHT", "m_eff(incl)"};
_flows.addCutflow("2j-0800", cuts23j);
_flows.addCutflow("2j-1200", cuts23j);
_flows.addCutflow("2j-1600", cuts23j);
_flows.addCutflow("2j-2000", cuts23j);
_flows.addCutflow("3j-1200", cuts23j);
const vector<string> cuts456j = {"Pre-sel+MET+pT1+meff", "Njet", "Dphi_min(j123,MET)", "Dphi_min(j4+,MET)", "pT4", "eta_j1234", "Aplanarity", "MET/m_eff(Nj)", "m_eff(incl)"};
_flows.addCutflow("4j-1000", cuts456j);
_flows.addCutflow("4j-1400", cuts456j);
_flows.addCutflow("4j-1800", cuts456j);
_flows.addCutflow("4j-2200", cuts456j);
_flows.addCutflow("4j-2600", cuts456j);
_flows.addCutflow("5j-1400", cuts456j);
_flows.addCutflow("6j-1800", cuts456j);
_flows.addCutflow("6j-2200", cuts456j);
}
/// Perform the per-event analysis
void analyze(const Event& event) {
_flows.fillinit();
// Same MET cut for all signal regions
const Vector3 vmet = -apply<SmearedMET>(event, "RecoMET").vectorEt();
const double met = vmet.mod();
if (met < 250*GeV) vetoEvent;
// Get baseline electrons, muons, and jets
Particles elecs = apply<ParticleFinder>(event, "RecoElectrons").particles(Cuts::pT > 10*GeV);
Particles muons = apply<ParticleFinder>(event, "RecoMuons").particles(Cuts::pT > 10*GeV);
Jets jets = apply<JetAlg>(event, "RecoJets").jetsByPt(Cuts::pT > 20*GeV && Cuts::abseta < 2.8); ///< @todo Pile-up subtraction
// Jet/electron/muons overlap removal and selection
// Remove electrons within dR = 0.2 of a b-tagged jet
for (const Jet& j : jets)
if (j.abseta() < 2.5 && j.pT() > 50*GeV && j.bTagged(Cuts::pT > 5*GeV))
ifilter_discard(elecs, deltaRLess(j, 0.2, RAPIDITY));
// Remove any |eta| < 2.8 jet within dR = 0.2 of a remaining electron
for (const Particle& e : elecs)
ifilter_discard(jets, deltaRLess(e, 0.2, RAPIDITY));
// Remove any electron with dR in [0.2, 0.4] of a remaining jet
for (const Jet& j : jets)
ifilter_discard(elecs, [&](const Particle& e) { return inRange(deltaR(e,j, RAPIDITY), 0.2, 0.4); });
// Remove any muon with dR close to a remaining jet, via a functional form
for (const Jet& j : jets)
ifilter_discard(muons, [&](const Particle& m) { return deltaR(m,j, RAPIDITY) < min(0.4, 0.04 + 10*GeV/m.pT()); });
// Remove any |eta| < 2.8 jet within dR = 0.2 of a remaining muon if track conditions are met
for (const Particle& m : muons)
/// @todo Add track efficiency random filtering
ifilter_discard(jets, [&](const Jet& j) {
if (deltaR(j,m, RAPIDITY) > 0.2) return false;
const Particles trks = j.particles(Cuts::abscharge > 0 && Cuts::pT > 0.5*GeV);
return trks.size() < 3 || (m.pT() > 2*j.pT() && m.pT() > 0.7*sum(trks, pT, 0.0));
});
// Loose electron selection
ifilter_select(elecs, ParticleEffFilter(ELECTRON_EFF_ATLAS_RUN2_LOOSE));
// Veto the event if there are any remaining baseline leptons
if (!elecs.empty()) vetoEvent;
if (!muons.empty()) vetoEvent;
// Passed presel & MET
_flows.fill(1);
// Get jets and their pTs
const Jets jets20 = jets;
const Jets jets50 = filterBy(jets, Cuts::pT > 50*GeV);
const size_t njets50 = jets50.size(), njets20 = jets20.size();
if (jets50.size() < 2) vetoEvent;
vector<double> jetpts20, jetpts50;
transform(jets20, jetpts20, pT);
transform(jets50, jetpts50, pT);
// Construct multi-jet observables
const double ht = sum(jetpts20, 0.0);
const double met_sqrtHT = met / sqrt(ht);
const double meff_incl = sum(jetpts50, met);
const double meff_4 = (njets50 >= 4) ? sum(head(jetpts50, 4), met) : -1;
const double meff_5 = (njets50 >= 5) ? sum(head(jetpts50, 5), met) : -1;
const double meff_6 = (njets50 >= 6) ? sum(head(jetpts50, 6), met) : -1;
const double met_meff_4 = met / meff_4;
const double met_meff_5 = met / meff_5;
const double met_meff_6 = met / meff_6;
// Jet |eta|s
vector<double> jetetas20; transform(jets20, jetetas20, abseta);
const double etamax_2 = (njets20 >= 2) ? max(head(jetetas20, 2)) : -1;
const double etamax_4 = (njets20 >= 4) ? max(head(jetetas20, 4)) : -1;
const double etamax_6 = (njets20 >= 6) ? max(head(jetetas20, 6)) : -1;
// Get dphis between MET and jets
vector<double> dphimets50; transform(jets50, dphimets50, deltaPhiWRT(vmet));
const vector<double> dphimets50_123 = head(dphimets50, 3);
const vector<double> dphimets50_more = tail(dphimets50, -3);
const double dphimin_123 = !dphimets50_123.empty() ? min(dphimets50_123) : -1;
const double dphimin_more = !dphimets50_more.empty() ? min(dphimets50_more) : -1;
// Jet aplanarity
Sphericity sph; sph.calc(jets50);
const double aplanarity = sph.aplanarity();
//////////////////
// 2 jet regions
if (dphimin_123 > 0.8 && dphimin_more > 0.4) {
if (jetpts50[1] > 200*GeV && etamax_2 < 0.8) { //< implicit pT[0] cut
if (met_sqrtHT > 14*sqrt(GeV) && meff_incl > 800*GeV) _h_2j_0800->fill();
}
if (jetpts50[1] > 250*GeV && etamax_2 < 1.2) { //< implicit pT[0] cut
if (met_sqrtHT > 16*sqrt(GeV) && meff_incl > 1200*GeV) _h_2j_1200->fill();
if (met_sqrtHT > 18*sqrt(GeV) && meff_incl > 1600*GeV) _h_2j_1600->fill();
if (met_sqrtHT > 20*sqrt(GeV) && meff_incl > 2000*GeV) _h_2j_2000->fill();
}
}
// 3 jet region
if (njets50 >= 3 && dphimin_123 > 0.4 && dphimin_more > 0.2) {
if (jetpts50[0] > 600*GeV && jetpts50[2] > 50*GeV) { //< implicit pT[1] cut
if (met_sqrtHT > 16*sqrt(GeV) && meff_incl > 1200*GeV) _h_3j_1200->fill();
}
}
// 4 jet regions (note implicit pT[1,2] cuts)
if (njets50 >= 4 && dphimin_123 > 0.4 && dphimin_more > 0.4 && jetpts50[0] > 200*GeV && aplanarity > 0.04) {
if (jetpts50[3] > 100*GeV && etamax_4 < 1.2 && met_meff_4 > 0.25*sqrt(GeV) && meff_incl > 1000*GeV) _h_4j_1000->fill();
if (jetpts50[3] > 100*GeV && etamax_4 < 2.0 && met_meff_4 > 0.25*sqrt(GeV) && meff_incl > 1400*GeV) _h_4j_1400->fill();
if (jetpts50[3] > 100*GeV && etamax_4 < 2.0 && met_meff_4 > 0.20*sqrt(GeV) && meff_incl > 1800*GeV) _h_4j_1800->fill();
if (jetpts50[3] > 150*GeV && etamax_4 < 2.0 && met_meff_4 > 0.20*sqrt(GeV) && meff_incl > 2200*GeV) _h_4j_2200->fill();
if (jetpts50[3] > 150*GeV && met_meff_4 > 0.20*sqrt(GeV) && meff_incl > 2600*GeV) _h_4j_2600->fill();
}
// 5 jet region (note implicit pT[1,2,3] cuts)
if (njets50 >= 5 && dphimin_123 > 0.4 && dphimin_more > 0.2 && jetpts50[0] > 500*GeV) {
if (jetpts50[4] > 50*GeV && met_meff_5 > 0.3*sqrt(GeV) && meff_incl > 1400*GeV) _h_5j_1400->fill();
}
// 6 jet regions (note implicit pT[1,2,3,4] cuts)
if (njets50 >= 6 && dphimin_123 > 0.4 && dphimin_more > 0.2 && jetpts50[0] > 200*GeV && aplanarity > 0.08) {
if (jetpts50[5] > 50*GeV && etamax_6 < 2.0 && met_meff_6*sqrt(GeV) > 0.20 && meff_incl > 1800*GeV) _h_6j_1800->fill();
if (jetpts50[5] > 100*GeV && met_meff_6*sqrt(GeV) > 0.15 && meff_incl > 2200*GeV) _h_6j_2200->fill();
}
// Cutflows
_flows["2j-0800"].filltail({true, dphimin_123 > 0.8, dphimin_more > 0.4, jetpts50[1] > 200*GeV, etamax_2 < 0.8, met_sqrtHT > 14*sqrt(GeV), meff_incl > 800*GeV});
_flows["2j-1200"].filltail({true, dphimin_123 > 0.8, dphimin_more > 0.4, jetpts50[1] > 250*GeV, etamax_2 < 1.2, met_sqrtHT > 16*sqrt(GeV), meff_incl > 1200*GeV});
_flows["2j-1600"].filltail({true, dphimin_123 > 0.8, dphimin_more > 0.4, jetpts50[1] > 250*GeV, etamax_2 < 1.2, met_sqrtHT > 18*sqrt(GeV), meff_incl > 1600*GeV});
_flows["2j-2000"].filltail({true, dphimin_123 > 0.8, dphimin_more > 0.4, jetpts50[1] > 250*GeV, etamax_2 < 1.2, met_sqrtHT > 20*sqrt(GeV), meff_incl > 2000*GeV});
_flows["3j-1200"].filltail({njets50 >= 3, dphimin_123 > 0.4, dphimin_more > 0.2, jetpts50[0] > 600*GeV && jetpts50[2] > 50*GeV, true, met_sqrtHT > 16*sqrt(GeV), meff_incl > 1200*GeV});
_flows["4j-1000"].filltail({njets50 >= 4, dphimin_123 > 0.4, dphimin_more > 0.4, jetpts50[0] > 200*GeV && jetpts50[3] > 100*GeV, etamax_4 < 1.2, aplanarity > 0.04, met_meff_4 > 0.25*sqrt(GeV), meff_incl > 1000*GeV});
_flows["4j-1400"].filltail({njets50 >= 4, dphimin_123 > 0.4, dphimin_more > 0.4, jetpts50[0] > 200*GeV && jetpts50[3] > 100*GeV, etamax_4 < 2.0, aplanarity > 0.04, met_meff_4 > 0.25*sqrt(GeV), meff_incl > 1400*GeV});
_flows["4j-1800"].filltail({njets50 >= 4, dphimin_123 > 0.4, dphimin_more > 0.4, jetpts50[0] > 200*GeV && jetpts50[3] > 100*GeV, etamax_4 < 2.0, aplanarity > 0.04, met_meff_4 > 0.20*sqrt(GeV), meff_incl > 1800*GeV});
_flows["4j-2200"].filltail({njets50 >= 4, dphimin_123 > 0.4, dphimin_more > 0.4, jetpts50[0] > 200*GeV && jetpts50[3] > 150*GeV, etamax_4 < 2.0, aplanarity > 0.04, met_meff_4 > 0.20*sqrt(GeV), meff_incl > 2200*GeV});
_flows["4j-2600"].filltail({njets50 >= 4, dphimin_123 > 0.4, dphimin_more > 0.4, jetpts50[0] > 200*GeV && jetpts50[3] > 150*GeV, true, aplanarity > 0.04, met_meff_4 > 0.20*sqrt(GeV), meff_incl > 2600*GeV});
_flows["5j-1400"].filltail({njets50 >= 5, dphimin_123 > 0.4, dphimin_more > 0.2, jetpts50[0] > 500*GeV && jetpts50[4] > 50*GeV, true, true, met_meff_5 > 0.3*sqrt(GeV), meff_incl > 1400*GeV});
_flows["6j-1800"].filltail({njets50 >= 6, dphimin_123 > 0.4, dphimin_more > 0.2, jetpts50[0] > 200*GeV && jetpts50[5] > 50*GeV, etamax_6 < 2.0, aplanarity > 0.08, met_meff_6 > 0.20*sqrt(GeV), meff_incl > 1800*GeV});
_flows["6j-2200"].filltail({njets50 >= 6, dphimin_123 > 0.4, dphimin_more > 0.2, jetpts50[0] > 200*GeV && jetpts50[5] > 100*GeV, true, aplanarity > 0.08, met_meff_6 > 0.15*sqrt(GeV), meff_incl > 2200*GeV});
}
/// Normalise counters after the run
void finalize() {
const double sf = 13.3*crossSection()/femtobarn/sumOfWeights();
scale(_h_2j_0800, sf); scale(_h_2j_1200, sf); scale(_h_2j_1600, sf);
scale(_h_2j_2000, sf); scale(_h_3j_1200, sf); scale(_h_4j_1000, sf);
scale(_h_4j_1400, sf); scale(_h_4j_1800, sf); scale(_h_4j_2200, sf);
scale(_h_4j_2600, sf); scale(_h_5j_1400, sf); scale(_h_6j_1800, sf);
scale(_h_6j_2200, sf);
_flows.scale(sf);
MSG_INFO("CUTFLOWS:\n\n" << _flows);
}
//@}
private:
/// @name Histograms
//@{
CounterPtr _h_2j_0800, _h_2j_1200, _h_2j_1600, _h_2j_2000, _h_3j_1200;
CounterPtr _h_4j_1000, _h_4j_1400, _h_4j_1800, _h_4j_2200, _h_4j_2600;
CounterPtr _h_5j_1400, _h_6j_1800, _h_6j_2200;
//@}
/// Cut-flows
Cutflows _flows;
};
// The hook for the plugin system
RIVET_DECLARE_PLUGIN(ATLAS_2016_CONF_2016_078);
}
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