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## Rivet analyses reference

### CMS_2012_I1087342

Measurement of forward and forward+central jets at $\sqrt{s} = 7$ TeV
Experiment: CMS (LHC)
Inspire ID: 1087342
Status: VALIDATED
Authors:
• Albert Knutsson
• Rasmus Sloth Hansen
• Bo Zhu
References:
• JHEP 1206 (2012) 036
• CMS-FWD-11-002
• CERN-PH-EP-2011-179
• doi 10.1007/JHEP06(2012)036
• arXiv: 1202.0704
Beams: p+ p+
Beam energies: (3500.0, 3500.0) GeV
Run details:
• pp QCD interactions at 7 TeV.

Inclusive forward jets and forward+central jets measured by CMS at $\sqrt{s} = 7$ TeV.

Source code: CMS_2012_I1087342.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 // -*- C++ -*- #include "Rivet/Analysis.hh" #include "Rivet/Projections/FinalState.hh" #include "Rivet/Projections/FastJets.hh" namespace Rivet { // This analysis is a derived from the class Analysis: class CMS_2012_I1087342 : public Analysis { public: // Constructor CMS_2012_I1087342() : Analysis("CMS_2012_I1087342") { } void init() { const FinalState fs; declare(FastJets(fs, FastJets::ANTIKT, 0.5),"Jets"); _hist_jetpt_fwdincl = bookHisto1D(1, 1, 1); _hist_jetpt_forward = bookHisto1D(2, 1, 1); _hist_jetpt_central = bookHisto1D(3, 1, 1); } void analyze(const Event& event) { const double weight = event.weight(); const FastJets& fj = apply(event,"Jets"); const Jets jets = fj.jets(Cuts::ptIn(35*GeV, 150*GeV) && Cuts::abseta < 4.7); double cjet_pt = 0.0; double fjet_pt = 0.0; foreach(const Jet& j, jets) { double pT = j.pT(); if (j.abseta() > 3.2) { _hist_jetpt_fwdincl->fill(j.pT()/GeV, weight); } if (j.abseta() < 2.8) { if (cjet_pt < pT) cjet_pt = pT; } if (inRange(j.abseta(), 3.2, 4.7)) { if (fjet_pt < pT) fjet_pt = pT; } } if (cjet_pt > 35*GeV && fjet_pt > 35*GeV) { _hist_jetpt_forward->fill(fjet_pt/GeV, weight); _hist_jetpt_central->fill(cjet_pt/GeV, weight); } } void finalize() { scale(_hist_jetpt_fwdincl, crossSection() / picobarn / sumOfWeights() / 3.0); scale(_hist_jetpt_forward, crossSection() / picobarn / sumOfWeights() / 3.0); scale(_hist_jetpt_central, crossSection() / picobarn / sumOfWeights() / 5.6); } private: Histo1DPtr _hist_jetpt_fwdincl; Histo1DPtr _hist_jetpt_forward; Histo1DPtr _hist_jetpt_central; }; // The hook for the plugin system DECLARE_RIVET_PLUGIN(CMS_2012_I1087342); }