Rivet analyses

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++ -*-
#include <iostream>
#include <string>
#include "Rivet/Analysis.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 "Rivet/Analyses/RHICCommon.hh"

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);

}