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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: "; |
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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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} |
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//____________________________________________________________________________________ |
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// Selection efficiency for one process (MC) |
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vector<float> processMCefficiency(TTree *events,string mcjzb,bool requireZ,int Neventsinfile, string addcut) { |
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vector<float> process_efficiencies; |
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for(int iprocess=0;iprocess<=10;iprocess++) { |
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float this_process_efficiency,efferr; |
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stringstream addcutplus; |
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addcutplus<<addcut<<"&&(process=="<<iprocess<<")"; |
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MCefficiency(events,this_process_efficiency, efferr,mcjzb,requireZ,Neventsinfile, addcutplus.str(),-1); |
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process_efficiencies.push_back(this_process_efficiency); |
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} |
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return process_efficiencies; |
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} |
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void JZBefficiency(TTree *events, string informalname, float &jzbeff, float &jzbefferr, bool requireZ, string addcut="") { |
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TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2"); |
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if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses) |
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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 JetEnergyScaleUncert=0.1; |
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float JZBScaleUncert=0.1; |
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mcjzbexpression=mcjzb; |
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float triggereff=4.0/100;// in range [0,1] |
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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=get_npdfs(events); |
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int NPdfs=0; |
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if(ismSUGRA) NPdfs = get_npdfs(events); |
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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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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(!automatized) dout << "Error from Peak position:" << 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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if(PlottingSetup::computeJZBresponse) { |
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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; |
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resolution=pileup(events,requireZ,informalname,addcut); |
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float PDFuncert=0; |
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if(!automatized) dout << "Assessing PDF uncertainty: " << std::endl; |
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if(ismSUGRA) PDFuncert = get_pdf_uncertainty(events, mcjzb, requireZ, Neventsinfile, NPdfs, addcut); |
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dout << "_______________________________________________" << endl; |
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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); |
