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| // -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/FastJets.hh"
namespace Rivet {
/// Ratios of jet pT spectra, related to ratios of differential jet cross sections
class CMS_2014_I1298810 : public Analysis {
public:
/// Constructor
CMS_2014_I1298810()
: Analysis("CMS_2014_I1298810")
{ }
/// @name Analysis methods
//@{
void init() {
// Projections
FastJets jetsak5(FinalState(), FastJets::ANTIKT, 0.5);
declare(jetsak5, "JetsAK5");
FastJets jetsak7(FinalState(), FastJets::ANTIKT, 0.7);
declare(jetsak7, "JetsAK7");
// Histograms
book(_h_pt_05_ak5 ,1, 1, 1);
book(_h_pt_05_10_ak5 ,2, 1, 1);
book(_h_pt_10_15_ak5 ,3, 1, 1);
book(_h_pt_15_20_ak5 ,4, 1, 1);
book(_h_pt_20_25_ak5 ,5, 1, 1);
book(_h_pt_25_30_ak5 ,6, 1, 1);
book(_h_pt_05_ak7 ,7, 1, 1);
book(_h_pt_05_10_ak7 ,8, 1, 1);
book(_h_pt_10_15_ak7 ,9, 1, 1);
book(_h_pt_15_20_ak7 ,10, 1, 1);
book(_h_pt_20_25_ak7 ,11, 1, 1);
book(_h_pt_25_30_ak7 ,12, 1, 1);
book(_h_pt_05_ratio , 13, 1, 1);
book(_h_pt_05_10_ratio, 14, 1, 1);
book(_h_pt_10_15_ratio, 15, 1, 1);
book(_h_pt_15_20_ratio, 16, 1, 1);
book(_h_pt_20_25_ratio, 17, 1, 1);
book(_h_pt_25_30_ratio, 18, 1, 1);
}
/// Perform the per-event analysis
void analyze(const Event& event) {
const Jets& jetsak5 = apply<FastJets>(event, "JetsAK5").jetsByPt(56*GeV);
const Jets& jetsak7 = apply<FastJets>(event, "JetsAK7").jetsByPt(56*GeV);
if (jetsak5.size() < 1 && jetsak7.size() < 1) vetoEvent;
const double weight = 1.0;
// Filling R = 0.5 jets
for(const Jet& jet : jetsak5) {
if (jet.absrapidity() < 0.5) {
_h_pt_05_ak5->fill(jet.pT()/GeV, weight);
} else if (jet.absrapidity() < 1.0) {
_h_pt_05_10_ak5->fill(jet.pT()/GeV, weight);
} else if (jet.absrapidity() < 1.5) {
_h_pt_10_15_ak5->fill(jet.pT()/GeV, weight);
} else if (jet.absrapidity() < 2.0) {
_h_pt_15_20_ak5->fill(jet.pT()/GeV, weight);
} else if (jet.absrapidity() < 2.5) {
_h_pt_20_25_ak5->fill(jet.pT()/GeV, weight);
} else if (jet.absrapidity() < 3.0) {
_h_pt_25_30_ak5->fill(jet.pT()/GeV, weight);
}
}
// Filling R = 0.7 jets
for(const Jet& jet : jetsak7) {
if (jet.absrapidity() < 0.5) {
_h_pt_05_ak7->fill(jet.pT() * GeV, weight);
} else if (jet.absrapidity() < 1.0) {
_h_pt_05_10_ak7->fill(jet.pT() * GeV, weight);
} else if (jet.absrapidity() < 1.5) {
_h_pt_10_15_ak7->fill(jet.pT() * GeV, weight);
} else if (jet.absrapidity() < 2.0) {
_h_pt_15_20_ak7->fill(jet.pT() * GeV, weight);
} else if (jet.absrapidity() < 2.5) {
_h_pt_20_25_ak7->fill(jet.pT() * GeV, weight);
} else if (jet.absrapidity() < 3.0) {
_h_pt_25_30_ak7->fill(jet.pT() * GeV, weight);
}
}
}
/// Normalise histograms etc., after the run
void finalize() {
scale(_h_pt_05_ak5, crossSection()/sumOfWeights());
scale(_h_pt_05_10_ak5, crossSection()/sumOfWeights());
scale(_h_pt_10_15_ak5, crossSection()/sumOfWeights());
scale(_h_pt_15_20_ak5, crossSection()/sumOfWeights());
scale(_h_pt_20_25_ak5, crossSection()/sumOfWeights());
scale(_h_pt_25_30_ak5, crossSection()/sumOfWeights());
scale(_h_pt_05_ak7, crossSection()/sumOfWeights());
scale(_h_pt_05_10_ak7, crossSection()/sumOfWeights());
scale(_h_pt_10_15_ak7, crossSection()/sumOfWeights());
scale(_h_pt_15_20_ak7, crossSection()/sumOfWeights());
scale(_h_pt_20_25_ak7, crossSection()/sumOfWeights());
scale(_h_pt_25_30_ak7, crossSection()/sumOfWeights());
divide(_h_pt_05_ak5, _h_pt_05_ak7, _h_pt_05_ratio);
divide(_h_pt_05_10_ak5, _h_pt_05_10_ak7, _h_pt_05_10_ratio);
divide(_h_pt_10_15_ak5, _h_pt_10_15_ak7, _h_pt_10_15_ratio);
divide(_h_pt_15_20_ak5, _h_pt_15_20_ak7, _h_pt_15_20_ratio);
divide(_h_pt_20_25_ak5, _h_pt_20_25_ak7, _h_pt_20_25_ratio);
divide(_h_pt_25_30_ak5, _h_pt_25_30_ak7, _h_pt_25_30_ratio);
}
//@}
private:
/// @name Histograms
//@{
Histo1DPtr _h_pt_05_ak5, _h_pt_05_10_ak5, _h_pt_10_15_ak5, _h_pt_15_20_ak5, _h_pt_20_25_ak5, _h_pt_25_30_ak5;
Histo1DPtr _h_pt_05_ak7, _h_pt_05_10_ak7, _h_pt_10_15_ak7, _h_pt_15_20_ak7, _h_pt_20_25_ak7, _h_pt_25_30_ak7;
Scatter2DPtr _h_pt_05_ratio, _h_pt_05_10_ratio, _h_pt_10_15_ratio, _h_pt_15_20_ratio, _h_pt_20_25_ratio, _h_pt_25_30_ratio;
//@}
};
// The hook for the plugin system
RIVET_DECLARE_PLUGIN(CMS_2014_I1298810);
}
|