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| // -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/FastJets.hh"
namespace Rivet {
/// @brief MC validation analysis for jet events
class MC_JETTAGS : public Analysis {
public:
MC_JETTAGS()
: Analysis("MC_JETTAGS")
{ }
void init() {
FinalState fs;
declare(FastJets(fs, FastJets::ANTIKT, 0.4), "Jets04");
declare(FastJets(fs, FastJets::ANTIKT, 0.6), "Jets06");
book(_h_numBTagsPerJet[0] ,"numBTagsPer04Jet", 5, -0.5, 4.5);
book(_h_numBTagsPerJet[1] ,"numBTagsPer06Jet", 5, -0.5, 4.5);
book(_h_numCTagsPerJet[0] ,"numCTagsPer04Jet", 5, -0.5, 4.5);
book(_h_numCTagsPerJet[1] ,"numCTagsPer06Jet", 5, -0.5, 4.5);
book(_h_numTauTagsPerJet[0] ,"numTauTagsPer04Jet", 5, -0.5, 4.5);
book(_h_numTauTagsPerJet[1] ,"numTauTagsPer06Jet", 5, -0.5, 4.5);
}
void analyze(const Event& event) {
const double weight = 1.0;
const Jets jets04 = apply<FastJets>(event, "Jets04").jetsByPt(20*GeV);
const Jets jets06 = apply<FastJets>(event, "Jets06").jetsByPt(20*GeV);
for (const Jet& j : jets04) {
_h_numBTagsPerJet[0]->fill(j.bTags().size(), weight);
_h_numCTagsPerJet[0]->fill(j.cTags().size(), weight);
_h_numTauTagsPerJet[0]->fill(j.tauTags().size(), weight);
}
for (const Jet& j : jets06) {
_h_numBTagsPerJet[1]->fill(j.bTags().size(), weight);
_h_numCTagsPerJet[1]->fill(j.cTags().size(), weight);
_h_numTauTagsPerJet[1]->fill(j.tauTags().size(), weight);
}
}
void finalize() {
for (size_t i = 0; i < 2; ++i) {
normalize(_h_numBTagsPerJet[i]);
normalize(_h_numCTagsPerJet[i]);
normalize(_h_numTauTagsPerJet[i]);
}
}
private:
Histo1DPtr _h_numBTagsPerJet[2], _h_numCTagsPerJet[2], _h_numTauTagsPerJet[2];
};
// The hook for the plugin system
RIVET_DECLARE_PLUGIN(MC_JETTAGS);
}
|