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#include <iostream> |
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#include <vector> |
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#include <sys/stat.h> |
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#include <algorithm> |
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#include <cmath> |
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#include <TMath.h> |
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#include <TColor.h> |
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//____________________________________________________________________________________ |
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// Total selection efficiency (MC) |
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void MCefficiency(TTree *events,float &result, float &resulterr,string mcjzb,bool requireZ,int Neventsinfile, string addcut="", int k = 0) { |
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//returns the efficiency WITHOUT signal contamination, and the result and resulterr contain the result and the corresponding error |
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Value MCefficiency(TTree *events,float &result, float &resulterr,string mcjzb,bool requireZ,int Neventsinfile, string addcut="", int k = 0) { |
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char jzbSelStr[256]; sprintf(jzbSelStr,"%f",jzbSel); |
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// All acceptance cuts at gen. level |
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// Float_t tot = events->GetSelectedRows(); |
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Float_t tot = Neventsinfile; |
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Value result_wo_signalcont; |
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if(ConsiderSignalContaminationForLimits) { |
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result=(sel-nsel)/tot; |
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resulterr=(1.0/tot)*TMath::Sqrt(sel+nsel+(sel-nsel)*(sel-nsel)/tot); |
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result_wo_signalcont=Value(sel/tot,TMath::Sqrt(sel/tot*(1+sel/tot)/tot)); |
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} else {//no signal contamination considered: |
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result=(sel)/tot; |
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resulterr=TMath::Sqrt(sel/tot*(1+sel/tot)/tot); |
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result_wo_signalcont=Value(result,resulterr); |
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} |
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if(!automatized && k>0 ) dout << "PDF assessment (" << k << ") : "; |
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if(!automatized) dout << " MC efficiency: " << result << "+-" << resulterr << " ( JZB>" << jzbSel << " : " << sel << " , JZB<-" << jzbSel << " : " << nsel << " and nevents=" << tot << ") with normFact=" << normFactor << std::endl; |
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delete effh; |
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return result_wo_signalcont; |
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} |
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Float_t eff = Interpolate(jzbSel,hist); |
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Float_t effp = Interpolate(jzbSel*(1.+systematic),hist); |
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Float_t effm = Interpolate(jzbSel*(1.-systematic),hist); |
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if(!automatized) dout << " efficiency at JZB==" << jzbSel*(1.+systematic) << "(-"<<syst*100<<"%) : " << effp << " (" << ((effp-eff)/eff)*100. << "%)" << std::endl; |
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if(!automatized) dout << " efficiency at JZB==" << jzbSel*(1.+systematic) << "(-"<<systematic*100<<"%) : " << effp << " (" << ((effp-eff)/eff)*100. << "%)" << std::endl; |
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if(!automatized) dout << " efficiency at JZB==" << jzbSel << ": " << eff << std::endl; |
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if(!automatized) dout << " efficiency at JZB==" << jzbSel*(1.-systematic) << "(-"<<syst*100<<"%) : " << effm << " (" << ((effm-eff)/eff)*100. << "%)" << std::endl; |
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if(!automatized) dout << " efficiency at JZB==" << jzbSel*(1.-systematic) << "(-"<<systematic*100<<"%) : " << effm << " (" << ((effm-eff)/eff)*100. << "%)" << std::endl; |
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up=((effp-eff)/eff); |
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down=((effm-eff)/eff); |
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} |
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hJzbResp->SetMinimum(0.2); |
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hJzbResp->Fit("pol0","Q"); |
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TF1 *fittedfunction = hJzbResp->GetFunction("pol0"); |
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resp=fittedfunction->GetParameter(0); |
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resperr=fittedfunction->GetParError(0); |
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if(!automatized) dout << " Response: " << resp << " +/- " << resperr << endl; |
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if(!fittedfunction) { |
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// in case there are not enough points passing our selection |
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cout << "OOPS response function invalid, assuming 100% error !!!!" << endl; |
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resp=1; |
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resperr=1; |
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} else { |
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resp=fittedfunction->GetParameter(0); |
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resperr=fittedfunction->GetParError(0); |
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if(!automatized) dout << " Response: " << resp << " +/- " << resperr << endl; |
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} |
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delete hJzbResp; |
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} |
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float triggereff=5.0/100;// in range [0,1] |
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dout << "Trigger efficiency not implemented in this script yet, still using external one" << endl; |
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float leptonseleff=2.0/100;// in range [0,1] |
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leptonseleff=TMath::Sqrt(leptonseleff*leptonseleff+leptonseleff*leptonseleff); // because the 2% is per lepton |
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dout << "Lepton selection efficiency not implemented in this script yet, still using external one" << endl; |
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int NPdfs=0; |
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float mceff,mcefferr,jzbeff,jzbefferr; |
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if(!automatized) dout << "MC efficiencies:" << endl; |
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MCefficiency(events,mceff,mcefferr,mcjzb,requireZ,Neventsinfile,addcut,-1); |
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JZBefficiency(events,informalname,jzbeff,jzbefferr,requireZ,addcut); |
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Value mceff_nosigcont = MCefficiency(events,mceff,mcefferr,mcjzb,requireZ,Neventsinfile,addcut,-1); |
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if(!automatized) cout << " Without signal contamination, we find an efficiency of " << mceff_nosigcont << endl; |
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if(PlottingSetup::computeJZBefficiency) JZBefficiency(events,informalname,jzbeff,jzbefferr,requireZ,addcut); |
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if(!automatized) dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << endl; |
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if(!(mceff>0)) write_warning(__FUNCTION__,"Efficiency is zero - the systematics will not be computed!"); |
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if(!automatized) dout << "Error from Peak position:" << endl; |
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float sysfrompeak=0; |
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PeakError(events,sysfrompeak,mcjzb,peakerror,addcut); |
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if(mceff>0) PeakError(events,sysfrompeak,mcjzb,peakerror,addcut); |
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else dout << "Not computed." << endl; |
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if(!automatized) dout << "Jet energy scale: " << std::endl; |
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float jesup,jesdown; |
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JZBjetScale(events,jesdown,jesup,informalname,requireZ,addcut,JetEnergyScaleUncert); |
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float jesup=0,jesdown=0; |
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if(mceff>0) JZBjetScale(events,jesdown,jesup,informalname,requireZ,addcut,JetEnergyScaleUncert); |
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else dout << "Not computed." << endl; |
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if(!automatized) dout << "JZB scale: " << std::endl; |
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float scaleup,scaledown,scalesyst; |
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doJZBscale(events,scaledown,scaleup,scalesyst,JZBScaleUncert,informalname,requireZ,addcut); |
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float scaleup=0,scaledown=0,scalesyst=0; |
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if(mceff>0) doJZBscale(events,scaledown,scaleup,scalesyst,JZBScaleUncert,informalname,requireZ,addcut); |
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else dout << "Not computed." << endl; |
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if(!automatized) dout << "JZB response: " << std::endl; |
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float resp,resperr; |
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JZBresponse(events,requireZ,resp,resperr,addcut); |
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float resp=0,resperr=0; |
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if(PlottingSetup::computeJZBresponse && mceff>0) { |
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if(!automatized) dout << "JZB response: " << std::endl; |
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JZBresponse(events,requireZ,resp,resperr,addcut); |
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} |
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if(!automatized) dout << "Pileup: " << std::endl; |
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float resolution=pileup(events,requireZ,informalname,addcut); |
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float resolution=0; |
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if(mceff>0) resolution=pileup(events,requireZ,informalname,addcut); |
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else dout << "Not computed." << endl; |
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float PDFuncert=0; |
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if(ismSUGRA) PDFuncert = get_pdf_uncertainty(events, mcjzb, requireZ, Neventsinfile, NPdfs, addcut); |
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if(!automatized&&mceff>0) dout << "Assessing PDF uncertainty: " << std::endl; |
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if(ismSUGRA&&mceff>0) PDFuncert = get_pdf_uncertainty(events, mcjzb, requireZ, Neventsinfile, NPdfs, addcut); |
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dout << "_______________________________________________" << endl; |
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dout << " SUMMARY FOR " << informalname << " with JZB>" << jzbSel << " (all in %) "; |
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dout << "Resolution : " << resolution << endl; // in range [0,1] |
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dout << "From peak : " << sysfrompeak << endl; // in range [0,1] |
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if(ismSUGRA) dout << "PDF uncertainty : " << PDFuncert << endl; // in range [0,1] |
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dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << " (not yet included below) " << endl; // in range [0,1] |
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dout << "JZB response : " << resp << " +/-" << resperr << " (not yet included below) " << endl; // in range [0,1] |
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if(PlottingSetup::computeJZBefficiency) dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << " (not yet included below) " << endl; // in range [0,1] |
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if(PlottingSetup::computeJZBresponse)dout << "JZB response : " << resp << " +/-" << resperr << " (not yet included below) " << endl; // in range [0,1] |
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float toterr=0; |
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toterr+=(triggereff)*(triggereff); |
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dout << "FINAL RESULT : " << 100*mceff << " +/- "<< 100*mcefferr << " (stat) +/- " << 100*systerr << " (syst) %" << endl; |
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dout << " we thus use the sqrt of the sum of the squares of the stat & syst err, which is : " << 100*toterr << endl; |
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dout << "_______________________________________________" << endl; |
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//Do not modify the lines below or mess with the order; this order is expected by all limit calculating functions! |
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vector<float> res; |
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if(fabs(jesup)>fabs(jesdown)) res.push_back(fabs(jesup)); else res.push_back(fabs(jesdown)); |
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if(fabs(scaleup)>fabs(scaledown)) res.push_back(fabs(scaleup)); else res.push_back(fabs(scaledown)); |
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res.push_back(fabs(resolution)); |
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res.push_back(mceff_nosigcont.getValue()); |
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res.push_back(mceff_nosigcont.getError()); |
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if(ismSUGRA) res.push_back(PDFuncert); |
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results.push_back(res); |
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} |
