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| // -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/ChargedFinalState.hh"
namespace Rivet {
/// @brief Charged multiplicity below Z pole based on ALEPH Z pole analysis
// @author Peter Richardson
class AMY_1990_I295160 : public Analysis {
public:
/// Constructor
RIVET_DEFAULT_ANALYSIS_CTOR(AMY_1990_I295160);
/// @name Analysis methods
//@{
/// Book histograms and initialise projections before the run
void init() {
const ChargedFinalState cfs;
declare(cfs, "CFS");
int offset = 0;
if(isCompatibleWithSqrtS(50.0)) {
offset = 1;
}
else if(isCompatibleWithSqrtS(52.0)) {
offset = 2;
}
else if(isCompatibleWithSqrtS(55.0)) {
offset = 3;
}
else if(isCompatibleWithSqrtS(56.0)) {
offset = 4;
}
else if(isCompatibleWithSqrtS(57.0)) {
offset = 5;
}
else if(isCompatibleWithSqrtS(60.0)) {
offset = 6;
}
else if(isCompatibleWithSqrtS(60.8)) {
offset = 7;
}
else if(isCompatibleWithSqrtS(61.4)) {
offset = 8;
}
else {
MSG_WARNING("CoM energy of events sqrt(s) = " << sqrtS()/GeV
<< " doesn't match any available analysis energy .");
}
book( _histChTotal , 1, 1, offset);
book( _histTotal , 2, 1, 1);
if(offset==5) {
book( _histChAver, 1, 1, 9);
book( _histAver, 2, 2, 1);
}
}
/// Perform the per-event analysis
void analyze(const Event& event) {
const FinalState& cfs = apply<FinalState>(event, "CFS");
MSG_DEBUG("Total charged multiplicity = " << cfs.size());
_histChTotal->fill(cfs.size());
_histTotal->fill(sqrtS()/GeV,cfs.size());
if(_histAver) {
_histChAver->fill(cfs.size());
_histAver->fill(sqrtS()/GeV,cfs.size());
}
}
/// Normalise histograms etc., after the run
void finalize() {
scale(_histChTotal, 200.0/sumOfWeights()); // bin width (2) and %age (100)
if(_histAver)
scale(_histChAver, 200.0/sumOfWeights());
}
//@}
private:
/// @name Histograms
//@{
Histo1DPtr _histChTotal;
Histo1DPtr _histChAver;
Profile1DPtr _histTotal;
Profile1DPtr _histAver;
//@}
};
// The hook for the plugin system
RIVET_DECLARE_PLUGIN(AMY_1990_I295160);
}
|