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MC_ZKTSPLITTINGS.cc
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00001 // -*- C++ -*-
00002 #include "Rivet/Analyses/MC_JetSplittings.hh"
00003 #include "Rivet/Projections/ZFinder.hh"
00004 #include "Rivet/Projections/FastJets.hh"
00005 
00006 namespace Rivet {
00007 
00008   
00009 
00010 
00011   /// @brief MC validation analysis for Z + jets events
00012   class MC_ZKTSPLITTINGS : public MC_JetSplittings {
00013   public:
00014 
00015     /// Default constructor
00016     MC_ZKTSPLITTINGS()
00017       : MC_JetSplittings("MC_ZKTSPLITTINGS", 4, "Jets")
00018     {    }
00019 
00020 
00021     /// @name Analysis methods
00022     //@{
00023 
00024     /// Book histograms
00025     void init() {
00026       FinalState fs;
00027       Cut cut = Cuts::abseta < 3.5 && Cuts::pT > 25*GeV;
00028       ZFinder zfinder(fs, cut, PID::ELECTRON, 65*GeV, 115*GeV, 0.2, ZFinder::CLUSTERNODECAY, ZFinder::TRACK);
00029       addProjection(zfinder, "ZFinder");
00030       FastJets jetpro(zfinder.remainingFinalState(), FastJets::KT, 0.6);
00031       addProjection(jetpro, "Jets");
00032 
00033       MC_JetSplittings::init();
00034     }
00035 
00036 
00037 
00038     /// Do the analysis
00039     void analyze(const Event & e) {
00040       const ZFinder& zfinder = applyProjection<ZFinder>(e, "ZFinder");
00041       if (zfinder.bosons().size() != 1) vetoEvent;
00042 
00043       MC_JetSplittings::analyze(e);
00044     }
00045 
00046 
00047     /// Finalize
00048     void finalize() {
00049       MC_JetSplittings::finalize();
00050     }
00051 
00052     //@}
00053 
00054   };
00055 
00056 
00057 
00058   // The hook for the plugin system
00059   DECLARE_RIVET_PLUGIN(MC_ZKTSPLITTINGS);
00060 
00061 }