Rivet analyses

title: STAR_BES_CALIB

STAR Beam Energy Scan centrality calibration analysis.

Experiment: ()

Status: UNVALIDATED

Authors: - Christian Bierlich

References: none listed

Beams: * *

Beam energies: ANY

Run details: - Any!

Calibration analysis for Beam energy scan AuAu centrality. The centrality number of charged particles at mid-rapidity. No reference yoda file.

Source code:STAR_BES_CALIB.cc

```c++ // -- C++ --

include "Rivet/Analysis.hh"

include "Rivet/Analyses/RHICCommon.hh"

include "Rivet/Projections/ChargedFinalState.hh"

include "Rivet/Projections/FinalState.hh"

include "Rivet/Projections/ImpactParameterProjection.hh"

include "Rivet/Projections/SingleValueProjection.hh"

include "Rivet/Tools/Percentile.hh"

include

include

namespace Rivet {

class STAR_BES_CALIB : public Analysis { public:

STAR_BES_CALIB()
    : Analysis("STAR_BES_CALIB") { }
void init() {
  declare(STAR_BES_Centrality(), "Centrality");
  declare(ImpactParameterProjection(), "IMP");
  // The calibrationhistogram:
  book(_calib, "CMULT", 100, 0.0, 200.0);

  // The alternative histogram based on impact parameter. Note
  // that it MUST be named the same as the histogram for the
  // experimental observable with an added _IMP suffix for the
  // Pecentile<> binning to work properly.
  book(_impcalib, "CMULT_IMP", 400, 0.0, 20.0);
}

void analyze(const Event& event) {

  _impcalib->fill(apply<SingleValueProjection>(event, "IMP")());

  _calib->fill(apply<STAR_BES_Centrality>(event, "Centrality")());
}

void finalize() {
  _calib->normalize();
  _impcalib->normalize();
}

private:

/// The calibration histograms.
Histo1DPtr _calib;
Histo1DPtr _impcalib;

};

RIVET_DECLARE_PLUGIN(STAR_BES_CALIB);

} ```