1// -*- C++ -*-
 2#include "Rivet/Analysis.hh"
 3#include "Rivet/Projections/ChargedFinalState.hh"
 4#include "Rivet/Particle.hh"
 5
 6namespace Rivet {
 7
 8
 9  class CMS_2010_PAS_QCD_10_024 : public Analysis {
10  public:
11
12    /// @name Constructors etc.
13    //@{
14
15    /// Constructor
16    CMS_2010_PAS_QCD_10_024() : Analysis("CMS_2010_PAS_QCD_10_024"),
17		       _weight_pt05_eta08(0.), _weight_pt10_eta08(0.),
18		       _weight_pt05_eta24(0.), _weight_pt10_eta24(0.) {  }
19
20
21    void init() {
22      declare(ChargedFinalState((Cuts::etaIn(-0.8, 0.8) && Cuts::pT >=  0.5*GeV)), "CFS_08_05");
23      declare(ChargedFinalState((Cuts::etaIn(-0.8, 0.8) && Cuts::pT >=  1.0*GeV)), "CFS_08_10");
24      declare(ChargedFinalState((Cuts::etaIn(-2.4, 2.4) && Cuts::pT >=  0.5*GeV)), "CFS_24_05");
25      declare(ChargedFinalState((Cuts::etaIn(-2.4, 2.4) && Cuts::pT >=  1.0*GeV)), "CFS_24_10");
26
27      size_t offset = 0;
28      if (isCompatibleWithSqrtS(7000)) offset = 0;
29      if (isCompatibleWithSqrtS( 900)) offset = 4;
30      book(_hist_dNch_deta_pt05_eta08 ,1+offset, 1, 1);
31      book(_hist_dNch_deta_pt10_eta08 ,2+offset, 1, 1);
32      book(_hist_dNch_deta_pt05_eta24 ,3+offset, 1, 1);
33      book(_hist_dNch_deta_pt10_eta24 ,4+offset, 1, 1);
34    }
35
36
37    void analyze(const Event& event) {
38      const double weight = 1.0;
39      const ChargedFinalState& cfs_08_05 = apply<ChargedFinalState>(event, "CFS_08_05");
40      const ChargedFinalState& cfs_08_10 = apply<ChargedFinalState>(event, "CFS_08_10");
41      const ChargedFinalState& cfs_24_05 = apply<ChargedFinalState>(event, "CFS_24_05");
42      const ChargedFinalState& cfs_24_10 = apply<ChargedFinalState>(event, "CFS_24_10");
43
44      // Plot distributions
45      if(!cfs_08_05.particles().empty()) _weight_pt05_eta08 += weight;
46      if(!cfs_24_05.particles().empty()) _weight_pt05_eta24 += weight;
47      for (const Particle& p : cfs_24_05.particles()) {
48        _hist_dNch_deta_pt05_eta24->fill(p.eta(), weight);
49        if(!cfs_08_05.particles().empty())
50	  _hist_dNch_deta_pt05_eta08->fill(p.eta(), weight);
51      }
52      if(!cfs_08_10.particles().empty()) _weight_pt10_eta08 += weight;
53      if(!cfs_24_10.particles().empty()) _weight_pt10_eta24 += weight;
54      for (const Particle& p : cfs_24_10.particles()) {
55        _hist_dNch_deta_pt10_eta24->fill(p.eta(), weight);
56	if(!cfs_08_10.particles().empty())
57	  _hist_dNch_deta_pt10_eta08->fill(p.eta(), weight);
58      }
59    }
60
61
62    /// Normalise histograms etc., after the run
63    void finalize() {
64      scale(_hist_dNch_deta_pt05_eta08,1./_weight_pt05_eta08);
65      scale(_hist_dNch_deta_pt10_eta08,1./_weight_pt10_eta08);
66      scale(_hist_dNch_deta_pt05_eta24,1./_weight_pt05_eta24);
67      scale(_hist_dNch_deta_pt10_eta24,1./_weight_pt10_eta24);
68    }
69
70
71  private:
72
73    Histo1DPtr _hist_dNch_deta_pt05_eta08;
74    Histo1DPtr _hist_dNch_deta_pt10_eta08;
75    Histo1DPtr _hist_dNch_deta_pt05_eta24;
76    Histo1DPtr _hist_dNch_deta_pt10_eta24;
77    double _weight_pt05_eta08,_weight_pt10_eta08,_weight_pt05_eta24,_weight_pt10_eta24;
78  };
79
80
81  // Hook for the plugin system
82  RIVET_DECLARE_PLUGIN(CMS_2010_PAS_QCD_10_024);
83
84}