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## Rivet analyses reference

### CDF_2008_S8093652

Dijet mass spectrum
Experiment: CDF (Tevatron Run 2)
Inspire ID: 805902
Status: VALIDATED
Authors:
• Frank Siegert
References:
Beams: p- p+
Beam energies: (980.0, 980.0) GeV
Run details:
• $p \bar{p} \to$ jets at 1960 GeV

Dijet mass spectrum from 0.2 TeV to 1.4 TeV in $p \bar{p}$ collisions at $\sqrt{s} = 1.96$ TeV, based on an integrated luminosity of 1.13 fb$^{-1}$.

Source code: CDF_2008_S8093652.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 // -*- C++ -*- #include "Rivet/Analysis.hh" #include "Rivet/Projections/FinalState.hh" #include "Rivet/Projections/FastJets.hh" namespace Rivet { /// @brief CDF dijet mass spectrum class CDF_2008_S8093652 : public Analysis { public: /// Constructor CDF_2008_S8093652() : Analysis("CDF_2008_S8093652") { } /// @name Analysis methods //@{ /// Book histograms void init() { FinalState fs; FastJets conefinder(fs, FastJets::CDFMIDPOINT, 0.7); declare(conefinder, "ConeFinder"); book(_h_m_dijet ,1, 1, 1); } /// Do the analysis void analyze(const Event & e) { const JetAlg& jetpro = apply(e, "ConeFinder"); const Jets& jets = jetpro.jetsByPt(); if (jets.size() < 2) vetoEvent; const FourMomentum j0(jets[0].momentum()); const FourMomentum j1(jets[1].momentum()); if (j1.absrap() > 1.0 || j0.absrap() > 1.0) { vetoEvent; } double mjj = FourMomentum(j0+j1).mass(); _h_m_dijet->fill(mjj); } /// Finalize void finalize() { scale(_h_m_dijet, crossSection()/sumOfWeights()); } //@} private: /// @name Histograms //@{ Histo1DPtr _h_m_dijet; //@} }; // The hook for the plugin system DECLARE_RIVET_PLUGIN(CDF_2008_S8093652); }