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| // -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/Beam.hh"
#include "Rivet/Projections/Thrust.hh"
#include "Rivet/Projections/Hemispheres.hh"
#include "Rivet/Projections/ChargedFinalState.hh"
namespace Rivet {
/// @brief jet masses for 14, 22, 34.8 and 43,5 GeV
class TASSO_1989_I279165 : public Analysis {
public:
/// Constructor
RIVET_DEFAULT_ANALYSIS_CTOR(TASSO_1989_I279165);
/// @name Analysis methods
//@{
/// Book histograms and initialise projections before the run
void init() {
const ChargedFinalState cfs;
declare(cfs, "CFS");
// Thrust
const Thrust thrust(cfs);
declare(thrust, "Thrust");
declare(Hemispheres(thrust), "Hemispheres");
int offset = 0;
if (isCompatibleWithSqrtS(14.0))
offset=1;
else if(isCompatibleWithSqrtS(22.0))
offset=2;
else if(isCompatibleWithSqrtS(34.8))
offset=3;
else if(isCompatibleWithSqrtS(43.5))
offset=4;
else
MSG_ERROR("Beam energy " << sqrtS() << " not supported!");
// Book histograms
book(_h_diff , 1, 1, offset);
book(_h_heavy, 2, 1, offset);
book(_h_light, 3, 1, offset);
}
/// Perform the per-event analysis
void analyze(const Event& event) {
const ChargedFinalState& cfs = apply<ChargedFinalState>(event, "CFS");
if (cfs.particles().size() < 3 ) vetoEvent;
const Hemispheres& hemi = apply<Hemispheres>(event, "Hemispheres");
_h_heavy->fill(hemi.scaledM2high());
_h_light->fill(hemi.scaledM2low() );
_h_diff ->fill(hemi.scaledM2diff());
}
/// Normalise histograms etc., after the run
void finalize() {
normalize(_h_diff );
normalize(_h_heavy);
normalize(_h_light);
}
//@}
/// @name Histograms
//@{
Histo1DPtr _h_diff,_h_heavy,_h_light;
//@}
};
// The hook for the plugin system
RIVET_DECLARE_PLUGIN(TASSO_1989_I279165);
}
|