MC_CENT_PPB_Projections.hh

// -*- C++ -*-
#ifndef RIVET_MC_CENT_Projections_HH
#define RIVET_MC_CENT_Projections_HH
 
#include "Rivet/Projections/ChargedFinalState.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/SingleValueProjection.hh"
#include "Rivet/Projections/TriggerProjection.hh"
 
namespace Rivet {
 

  class MC_SumETFwdPbCentrality : public SingleValueProjection {
  public:

    MC_SumETFwdPbCentrality() {
      declare(FinalState(Cuts::eta < -3.2 && Cuts::eta > -4.9 && Cuts::pT > 0.1 * GeV),
              "FSSumETFwdCentrality");
    }

    RIVET_DEFAULT_PROJ_CLONE(MC_SumETFwdPbCentrality);

    using Projection::operator=;
 
  protected:

    void project(const Event& e) {
      clear();
      const FinalState& fsfwd = apply<FinalState>(e, "FSSumETFwdCentrality");
      double estimate = 0.0;
      for (const Particle& p : fsfwd.particles()) estimate += p.Et();
      setValue(estimate);
    }

    CmpState compare(const Projection& p) const {
      return mkNamedPCmp(p, "FSSumETFwdCentrality");
    }
  };
 

  class MC_pPbMinBiasTrigger : public TriggerProjection {
  public:

    MC_pPbMinBiasTrigger() {
      declare(FinalState(Cuts::eta < -3.2 && Cuts::eta > -4.9 && Cuts::pT > 0.1 * GeV),
              "FSSumETFwdCentrality");
      declare(ChargedFinalState(Cuts::eta > 2.09 && Cuts::eta < 3.84 && Cuts::pT > 0.1 * GeV), "MBB");
      declare(ChargedFinalState(Cuts::eta < -2.09 && Cuts::eta > -3.84 && Cuts::pT > 0.1 * GeV), "MBF");
    }

    RIVET_DEFAULT_PROJ_CLONE(MC_pPbMinBiasTrigger);

    using Projection::operator=;
 
  protected:

    void project(const Event& event) {
      pass();
      if (apply<FinalState>(event, "MBF").particles().empty()
          || apply<FinalState>(event, "MBB").particles().empty())
        fail();
    }

    CmpState compare(const Projection& p) const {
      return mkNamedPCmp(p, "MBF") || mkNamedPCmp(p, "MBB");
    }
  };
 
 
}
 
#endif