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// -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/LeadingParticlesFinalState.hh"
#include "Rivet/Projections/VetoedFinalState.hh"
#include "Rivet/Projections/FastJets.hh"
namespace Rivet {
/// @brief D0 differential jet cross sections
///
/// @author Andy Buckley
/// @author Gavin Hesketh
class D0_2008_S7662670 : public Analysis {
public :
RIVET_DEFAULT_ANALYSIS_CTOR(D0_2008_S7662670);
/// @name Analysis methods
/// @{
void init () {
// Full final state
FinalState fs;
declare(fs, "FS" );
// Jets
FastJets jetpro(fs, FastJets:: D0ILCONE, 0.7 );
declare(jetpro, "Jets" );
// Book histograms
book(_h_dsigdptdy_y00_04 ,1 , 1 , 1 );
book(_h_dsigdptdy_y04_08 ,2 , 1 , 1 );
book(_h_dsigdptdy_y08_12 ,3 , 1 , 1 );
book(_h_dsigdptdy_y12_16 ,4 , 1 , 1 );
book(_h_dsigdptdy_y16_20 ,5 , 1 , 1 );
book(_h_dsigdptdy_y20_24 ,6 , 1 , 1 );
}
/// Do the analysis
void analyze (const Event& event) {
// Skip if the event is empty
const FinalState& fs = apply< FinalState> (event, "FS" );
if (fs.empty()) {
MSG_DEBUG("Empty event!" );
vetoEvent;
}
// Find the jets
const JetAlg& jetpro = apply< JetAlg> (event, "Jets" );
// Fill histo for each jet
for (const Jet& j : jetpro.jets(Cuts:: pT > 50 * GeV)) {
const double pt = j.pT();
const double y = j.absrap();
MSG_TRACE("Filling histos: pT = " << pt/ GeV << ", |y| = " << y);
if (y < 0.4 ) {
_h_dsigdptdy_y00_04-> fill(pt/ GeV);
} else if (y < 0.8 ) {
_h_dsigdptdy_y04_08-> fill(pt/ GeV);
} else if (y < 1.2 ) {
_h_dsigdptdy_y08_12-> fill(pt/ GeV);
} else if (y < 1.6 ) {
_h_dsigdptdy_y12_16-> fill(pt/ GeV);
} else if (y < 2.0 ) {
_h_dsigdptdy_y16_20-> fill(pt/ GeV);
} else if (y < 2.4 ) {
_h_dsigdptdy_y20_24-> fill(pt/ GeV);
}
}
}
/// Finalize
void finalize () {
/// Scale by L_eff = sig_MC * L_exp / num_MC
const double lumi_mc = sumOfWeights() / crossSection();
const double scalefactor = 1 / lumi_mc;
scale(_h_dsigdptdy_y00_04, scalefactor);
scale(_h_dsigdptdy_y04_08, scalefactor);
scale(_h_dsigdptdy_y08_12, scalefactor);
scale(_h_dsigdptdy_y12_16, scalefactor);
scale(_h_dsigdptdy_y16_20, scalefactor);
scale(_h_dsigdptdy_y20_24, scalefactor);
}
/// @}
private :
/// @name Histograms
/// @{
Histo1DPtr _h_dsigdptdy_y00_04;
Histo1DPtr _h_dsigdptdy_y04_08;
Histo1DPtr _h_dsigdptdy_y08_12;
Histo1DPtr _h_dsigdptdy_y12_16;
Histo1DPtr _h_dsigdptdy_y16_20;
Histo1DPtr _h_dsigdptdy_y20_24;
/// @}
};
RIVET_DECLARE_ALIASED_PLUGIN(D0_2008_S7662670, D0_2008_I779574);
}