1// -*- C++ -*-
 2#include "Rivet/Analysis.hh"
 3#include "Rivet/Projections/ChargedFinalState.hh"
 4
 5namespace Rivet {
 6
 7
 8  /// @brief Add a short analysis description here
 9  class TASSO_1989_I277658 : public Analysis {
10  public:
11
12    /// Constructor
13    RIVET_DEFAULT_ANALYSIS_CTOR(TASSO_1989_I277658);
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
24      size_t ih = 0;
25      for (double eVal : allowedEnergies()) {
26        const string en = toString(int(eVal/MeV));
27        if (isCompatibleWithSqrtS(eVal)) {
28          _sqs = en;
29          _ie = ih+1;
30        }
31        book(_h[en], 5, 1, ++ih);
32      }
33      if (_sqs == "" && !merging()) {
34        throw BeamError("Invalid beam energy for " + name() + "\n");
35      }
36      book(_p, 2, 1, 1);
37    }
38
39
40    /// Perform the per-event analysis
41    void analyze(const Event& event) {
42      if (Ecm == "")  Ecm = _p->bin(_ie).xEdge();
43      const FinalState& cfs = apply<FinalState>(event, "CFS");
44      MSG_DEBUG("Total charged multiplicity = " << cfs.size());
45      _h[_sqs]->fill(cfs.size());
46      _p->fill(Ecm, cfs.size());
47    }
48
49
50    /// Normalise histograms etc., after the run
51    void finalize() {
52      scale(_h, 1.0/sumOfWeights());
53    }
54
55    /// @}
56
57
58  private:
59
60    /// @name Histograms
61    /// @{
62    map<string,BinnedHistoPtr<int>> _h;
63    BinnedProfilePtr<string> _p;
64    string Ecm = "", _sqs = "";
65    size_t _ie = 0;
66    /// @}
67  };
68
69
70  RIVET_DECLARE_PLUGIN(TASSO_1989_I277658);
71
72
73}