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| // -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/ChargedFinalState.hh"
#include "Rivet/Projections/FastJets.hh"
namespace Rivet {
/// @brief jet rates at 91 GeV
class DELPHI_1990_I297698 : public Analysis {
public:
/// Constructor
DEFAULT_RIVET_ANALYSIS_CTOR(DELPHI_1990_I297698);
/// @name Analysis methods
///@{
/// Book histograms and initialise projections before the run
void init() {
const ChargedFinalState cfs;
declare(cfs, "FS");
declare(FastJets(cfs, FastJets::JADE, 0.7), "JadeJets");
// histos
book(_h_2,1,1,1);
book(_h_3,1,1,2);
book(_h_4,1,1,3);
book(_h_5,1,1,4);
}
/// Perform the per-event analysis
void analyze(const Event& event) {
const FinalState& fs = apply<FinalState>(event, "FS");
const size_t numParticles = fs.particles().size();
if (numParticles < 2) {
MSG_DEBUG("Failed leptonic event cut");
vetoEvent;
}
MSG_DEBUG("Passed leptonic event cut");
const FastJets& jets = apply<FastJets>(event, "JadeJets");
if (jets.clusterSeq()) {
const double y_23 = jets.clusterSeq()->exclusive_ymerge_max(2);
const double y_34 = jets.clusterSeq()->exclusive_ymerge_max(3);
const double y_45 = jets.clusterSeq()->exclusive_ymerge_max(4);
const double y_56 = jets.clusterSeq()->exclusive_ymerge_max(5);
for (size_t i = 0; i < _h_2->numBins(); ++i) {
double ycut = _h_2->bin(i).xMid();
double width = _h_2->bin(i).xWidth();
if (y_23 < ycut) {
_h_2->fillBin(i, width);
}
}
for (size_t i = 0; i < _h_3->numBins(); ++i) {
double ycut = _h_3->bin(i).xMid();
double width = _h_3->bin(i).xWidth();
if (y_34 < ycut && y_23 > ycut) {
_h_3->fillBin(i, width);
}
}
for (size_t i = 0; i < _h_4->numBins(); ++i) {
double ycut = _h_4->bin(i).xMid();
double width = _h_4->bin(i).xWidth();
if (y_45 < ycut && y_34 > ycut) {
_h_4->fillBin(i, width);
}
}
for (size_t i = 0; i < _h_5->numBins(); ++i) {
double ycut = _h_5->bin(i).xMid();
double width = _h_5->bin(i).xWidth();
if (y_56 < ycut && y_45 > ycut) {
_h_5->fillBin(i, width);
}
}
}
}
/// Normalise histograms etc., after the run
void finalize() {
scale(_h_2, 100/sumOfWeights());
scale(_h_3, 100/sumOfWeights());
scale(_h_4, 100/sumOfWeights());
scale(_h_5, 100/sumOfWeights());
}
///@}
/// @name Histograms
///@{
Histo1DPtr _h_2,_h_3,_h_4,_h_5;
///@}
};
DECLARE_RIVET_PLUGIN(DELPHI_1990_I297698);
}
|