rivet is hosted by Hepforge, IPPP Durham

Rivet analyses reference

MC_WWKTSPLITTINGS

Monte Carlo validation observables for $W^+[e^+ \, \nu]W^-[\mu^- \, \nu]$ + jets production
Experiment: ()
Status: VALIDATED
Authors:
  • Frank Siegert
No references listed
Beams: * *
Beam energies: ANY
Run details:
  • $WW$ + jets analysis.

Monte Carlo validation observables for $W^+[e^+ \, \nu]W^-[\mu^- \, \nu]$ + jets production

Source code: MC_WWKTSPLITTINGS.cc 
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
// -*- C++ -*-
#include "Rivet/Analyses/MC_JetSplittings.hh"
#include "Rivet/Projections/WFinder.hh"
#include "Rivet/Projections/FastJets.hh"
#include "Rivet/Projections/VetoedFinalState.hh"

namespace Rivet {


  /// @brief MC validation analysis for W^+[enu]W^-[munu] + jets events
  class MC_WWKTSPLITTINGS : public MC_JetSplittings {
  public:

    /// Default constructor
    MC_WWKTSPLITTINGS()
      : MC_JetSplittings("MC_WWKTSPLITTINGS", 4, "Jets")
    {    }


    /// @name Analysis methods
    //@{

    /// Book histograms
    void init() {
      FinalState fs;

      // set FS cuts from input options
      const double etaecut = getOption<double>("ABSETAEMAX", 3.5);
      const double ptecut = getOption<double>("PTEMIN", 25.);

      Cut cute = Cuts::abseta < etaecut && Cuts::pT > ptecut*GeV;

      WFinder wenufinder(fs, cute, PID::ELECTRON, 60.0*GeV, 100.0*GeV, 25.0*GeV, 0.2);
      declare(wenufinder, "WenuFinder");

      VetoedFinalState wmnuinput;
      wmnuinput.addVetoOnThisFinalState(wenufinder);

      // set FS cuts from input options
      const double etamucut = getOption<double>("ABSETAMUMAX", 3.5);
      const double ptmucut = getOption<double>("PTMUMIN", 25.);

      Cut cutmu = Cuts::abseta < etamucut && Cuts::pT > ptmucut*GeV;
      
      WFinder wmnufinder(wmnuinput, cutmu, PID::MUON, 60.0*GeV, 100.0*GeV, 25.0*GeV, 0.2);
      declare(wmnufinder, "WmnuFinder");

      VetoedFinalState jetinput;
      jetinput
          .addVetoOnThisFinalState(wenufinder)
          .addVetoOnThisFinalState(wmnufinder);

      // set clustering radius from input option
      const double R = getOption<double>("R", 0.6);
      
      FastJets jetpro(jetinput, FastJets::KT, R);
      declare(jetpro, "Jets");

      MC_JetSplittings::init();
    }



    /// Do the analysis
    void analyze(const Event & e) {
      const WFinder& wenufinder = apply<WFinder>(e, "WenuFinder");
      if (wenufinder.bosons().size()!=1) {
        vetoEvent;
      }

      const WFinder& wmnufinder = apply<WFinder>(e, "WmnuFinder");
      if (wmnufinder.bosons().size()!=1) {
        vetoEvent;
      }

      MC_JetSplittings::analyze(e);
    }


    /// Finalize
    void finalize() {
      MC_JetSplittings::finalize();
    }

    //@}

  };



  // The hook for the plugin system
  RIVET_DECLARE_PLUGIN(MC_WWKTSPLITTINGS);

}