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Comparing UserCode/cbrown/AnalysisFramework/Plotting/Modules/Systematics.C (file contents):
Revision 1.13 by buchmann, Tue Aug 16 17:08:40 2011 UTC vs.
Revision 1.14 by buchmann, Tue Aug 16 19:03:48 2011 UTC

# Line 228 | Line 228 | void MCefficiency(TTree *events,float &r
228          
229          char jzbSelStr[256]; sprintf(jzbSelStr,"%f",jzbSel);
230          // All acceptance cuts at gen. level
231 <        TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&genJZB"+geq_or_leq()+TString(jzbSelStr)+"&&genId1==-genId2");
231 >        //TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&genJZB"+geq_or_leq()+TString(jzbSelStr)+"&&genId1==-genId2");
232 >        TCut kbase("");
233          if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
234          if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
235          // Corresponding reco. cuts
236          TCut ksel("pfJetGoodNum>2&&abs(mll-91.2)<20&&id1==id2&&"+TString(mcjzb)+geq_or_leq()+TString(jzbSelStr));
237 <        
237 >        TCut ksel2("pfJetGoodNum>2&&abs(mll-91.2)<20&&id1==id2&&"+TString(mcjzb)+ngeq_or_leq()+TString(jzbSelStr));
238          events->Draw(mcjzbexpression.c_str(),kbase&&ksel,"goff");
239          Float_t sel = events->GetSelectedRows();
240 +        events->Draw(mcjzbexpression.c_str(),kbase&&ksel2,"goff");
241 +        Float_t nsel = events->GetSelectedRows();
242   //      events->Draw(mcjzbexpression.c_str(),kbase,"goff");
243   //      Float_t tot = events->GetSelectedRows();
244          Float_t tot = Neventsinfile;
245          
246 <        result=sel/tot;
246 >        result=(sel-nsel)/tot;
247          resulterr=TMath::Sqrt(sel/tot*(1-sel/tot)/tot);
248          if(!automatized) dout << "  MC efficiency: " << result << "+-" << resulterr << std::endl;
249   }

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