1// -*- C++ -*-
 2#include "Rivet/Analysis.hh"
 3#include "Rivet/Projections/ChargedFinalState.hh"
 4
 5namespace Rivet {
 6
 7
 8  /// @brief Average multiplcity at a range of energies
 9  class JADE_1983_I190818 : public Analysis {
10  public:
11
12    /// Constructor
13    RIVET_DEFAULT_ANALYSIS_CTOR(JADE_1983_I190818);
14
15
16    /// @name Analysis methods
17    /// @{
18
19    /// Book histograms and initialise projections before the run
20    void init() {
21      const ChargedFinalState cfs;
22      declare(cfs, "CFS");
23      if( !(isCompatibleWithSqrtS(12.0*GeV) ||
24	    isCompatibleWithSqrtS(30.0*GeV) ||
25	    isCompatibleWithSqrtS(35.0*GeV) )) {
26        MSG_WARNING("CoM energy of events sqrt(s) = " << sqrtS()/GeV
27                    << " doesn't match any available analysis energy .");
28      }
29      book(_mult, 1, 1, 1);
30    }
31
32
33    /// Perform the per-event analysis
34    void analyze(const Event& event) {
35      const FinalState& cfs = apply<FinalState>(event, "CFS");
36      MSG_DEBUG("Total charged multiplicity = " << cfs.size());
37      _mult->fill(int(sqrtS()),cfs.size());
38    }
39
40
41    /// Normalise histograms etc., after the run
42    void finalize() {
43    }
44    /// @}
45
46  private:
47
48    // Histogram
49    BinnedProfilePtr<int> _mult;
50
51  };
52
53  RIVET_DECLARE_PLUGIN(JADE_1983_I190818);
54
55}