| 157 |
|
|
| 158 |
|
|
| 159 |
|
//________________________________________________________________________________________ |
| 160 |
+ |
// Master Formula |
| 161 |
+ |
void master_formula(std::vector<float> eff, float &errHi, float &errLo) { |
| 162 |
+ |
|
| 163 |
+ |
float x0 = eff[0]; |
| 164 |
+ |
float deltaPos = 0, deltaNeg = 0; |
| 165 |
+ |
for(int k = 0; k < (eff.size()-1)/2; k++) { |
| 166 |
+ |
float xneg = eff[2*k+2]; |
| 167 |
+ |
float xpos = eff[2*k+1]; |
| 168 |
+ |
if(xpos-x0>0 || xneg-x0>0) { |
| 169 |
+ |
if(xpos-x0 > xneg-x0) { |
| 170 |
+ |
deltaPos += (xpos-x0)*(xpos-x0); |
| 171 |
+ |
} else { |
| 172 |
+ |
deltaPos += (xneg-x0)*(xneg-x0); |
| 173 |
+ |
} |
| 174 |
+ |
} |
| 175 |
+ |
if(x0-xpos>0 || x0-xneg>0) { |
| 176 |
+ |
if(x0-xpos > x0-xneg) { |
| 177 |
+ |
deltaNeg += (xpos-x0)*(xpos-x0); |
| 178 |
+ |
} else { |
| 179 |
+ |
deltaNeg += (xneg-x0)*(xneg-x0); |
| 180 |
+ |
} |
| 181 |
+ |
} |
| 182 |
+ |
} |
| 183 |
+ |
errHi = sqrt(deltaPos); |
| 184 |
+ |
errLo = sqrt(deltaNeg); |
| 185 |
+ |
|
| 186 |
+ |
} |
| 187 |
+ |
|
| 188 |
+ |
|
| 189 |
+ |
//________________________________________________________________________________________ |
| 190 |
+ |
// Get normalization factor for the PDFs |
| 191 |
+ |
float get_norm_pdf_factor(TTree *events, int k) { |
| 192 |
+ |
|
| 193 |
+ |
TH1F *haux = new TH1F("haux", "", 1000, 0, 15); |
| 194 |
+ |
char nameVar[20]; |
| 195 |
+ |
sprintf(nameVar, "pdfW[%d]", k); |
| 196 |
+ |
events->Project("haux", nameVar); |
| 197 |
+ |
float factor = haux->Integral(); |
| 198 |
+ |
|
| 199 |
+ |
delete haux; |
| 200 |
+ |
|
| 201 |
+ |
return factor; |
| 202 |
+ |
|
| 203 |
+ |
} |
| 204 |
+ |
|
| 205 |
+ |
|
| 206 |
+ |
|
| 207 |
+ |
//________________________________________________________________________________________ |
| 208 |
|
// Pile-up efficiency |
| 209 |
|
float pileup(TTree *events, bool requireZ, string informalname, string addcut="",Float_t myJzbMax = 140. ) { |
| 210 |
|
nBins = 16; |
| 272 |
|
|
| 273 |
|
//____________________________________________________________________________________ |
| 274 |
|
// Total selection efficiency (MC) |
| 275 |
< |
void MCefficiency(TTree *events,float &result, float &resulterr,string mcjzb,bool requireZ,int Neventsinfile, string addcut="") { |
| 275 |
> |
void MCefficiency(TTree *events,float &result, float &resulterr,string mcjzb,bool requireZ,int Neventsinfile, string addcut="", int k = 0) { |
| 276 |
|
|
| 277 |
|
char jzbSelStr[256]; sprintf(jzbSelStr,"%f",jzbSel); |
| 278 |
|
// All acceptance cuts at gen. level |
| 283 |
|
// Corresponding reco. cuts |
| 284 |
|
TCut ksel("pfJetGoodNum>2&&abs(mll-91.2)<20&&id1==id2&&"+TString(mcjzb)+geq_or_leq()+TString(jzbSelStr)); |
| 285 |
|
TCut ksel2("pfJetGoodNum>2&&abs(mll-91.2)<20&&id1==id2&&"+TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr)); |
| 286 |
< |
events->Draw(mcjzbexpression.c_str(),kbase&&ksel,"goff"); |
| 286 |
> |
TCut posSide = kbase&&ksel; |
| 287 |
> |
TCut negSide = kbase&&ksel2; |
| 288 |
> |
string sposSide(posSide); |
| 289 |
> |
string snegSide(negSide); |
| 290 |
> |
char var[20]; |
| 291 |
> |
sprintf(var, "pdfW[%d]", k); |
| 292 |
> |
string svar(var); |
| 293 |
> |
string newPosSide = "(" + sposSide + ")*" + svar; |
| 294 |
> |
string newNegSide = "(" + snegSide + ")*" + svar; |
| 295 |
> |
|
| 296 |
> |
events->Draw(mcjzbexpression.c_str(), newPosSide.c_str(),"goff"); |
| 297 |
|
Float_t sel = events->GetSelectedRows(); |
| 298 |
< |
events->Draw(mcjzbexpression.c_str(),kbase&&ksel2,"goff"); |
| 299 |
< |
Float_t nsel = events->GetSelectedRows(); |
| 298 |
> |
Float_t nsel=0; |
| 299 |
> |
if(ConsiderSignalContaminationForLimits) { |
| 300 |
> |
events->Draw(mcjzbexpression.c_str(), newNegSide.c_str(),"goff"); |
| 301 |
> |
nsel = events->GetSelectedRows(); |
| 302 |
> |
} |
| 303 |
> |
//Corrections due to normalization in the PDF. This has to be applied as well to the number of events in a file if the definition changes at some point. |
| 304 |
> |
float normFactor = get_norm_pdf_factor(events, k); |
| 305 |
> |
sel = sel/normFactor; |
| 306 |
> |
nsel = nsel/normFactor; |
| 307 |
> |
|
| 308 |
|
// events->Draw(mcjzbexpression.c_str(),kbase,"goff"); |
| 309 |
|
// Float_t tot = events->GetSelectedRows(); |
| 310 |
|
Float_t tot = Neventsinfile; |
| 311 |
|
|
| 312 |
< |
result=(sel-nsel)/tot; |
| 313 |
< |
resulterr=TMath::Sqrt(sel/tot*(1-sel/tot)/tot); |
| 312 |
> |
if(ConsiderSignalContaminationForLimits) { |
| 313 |
> |
result=(sel-nsel)/tot; |
| 314 |
> |
resulterr=(1.0/tot)*TMath::Sqrt(sel+nsel+(sel-nsel)*(sel-nsel)/tot); |
| 315 |
> |
} else {//no signal contamination considered: |
| 316 |
> |
result=(sel)/tot; |
| 317 |
> |
resulterr=TMath::Sqrt(sel/tot*(1+sel/tot)/tot); |
| 318 |
> |
} |
| 319 |
|
if(!automatized) dout << " MC efficiency: " << result << "+-" << resulterr << " ( JZB>" << jzbSel << " : " << sel << " , JZB<-" << jzbSel << " : " << nsel << " and nevents=" << tot << ")" << std::endl; |
| 320 |
|
} |
| 321 |
|
|
| 420 |
|
} |
| 421 |
|
|
| 422 |
|
|
| 423 |
< |
void do_systematics_for_one_file(TTree *events,int Neventsinfile,string informalname, vector<vector<float> > &results,string mcjzb,string datajzb,float peakerror,bool requireZ=false, string addcut="") { |
| 423 |
> |
//________________________________________________________________________________________ |
| 424 |
> |
// PDF uncertainty |
| 425 |
> |
float get_pdf_uncertainty(TTree *events, string mcjzb, bool requireZ, int Neventsinfile, string addcut="") { |
| 426 |
> |
|
| 427 |
> |
int numberOfPDFs = 44; |
| 428 |
> |
std::vector<float> efficiency; |
| 429 |
> |
for(int k = 1; k < numberOfPDFs; k++) { |
| 430 |
> |
float result, resulterr; |
| 431 |
> |
MCefficiency(events, result, resulterr, mcjzb, requireZ, Neventsinfile, addcut, k); |
| 432 |
> |
efficiency.push_back(result); |
| 433 |
> |
} |
| 434 |
> |
float errHi, errLow; |
| 435 |
> |
master_formula(efficiency, errHi, errLow); |
| 436 |
> |
if(errHi>errLow) return errHi; |
| 437 |
> |
return errLow; |
| 438 |
> |
|
| 439 |
> |
} |
| 440 |
> |
|
| 441 |
> |
|
| 442 |
> |
|
| 443 |
> |
void do_systematics_for_one_file(TTree *events,int Neventsinfile,string informalname, vector<vector<float> > &results,string mcjzb,string datajzb,float peakerror,bool requireZ=false, string addcut="", bool ismSUGRA=false) { |
| 444 |
|
|
| 445 |
|
float JetEnergyScaleUncert=0.1; |
| 446 |
|
float JZBScaleUncert=0.1; |
| 474 |
|
|
| 475 |
|
if(!automatized) dout << "Pileup: " << std::endl; |
| 476 |
|
float resolution=pileup(events,requireZ,informalname,addcut); |
| 477 |
< |
|
| 477 |
> |
|
| 478 |
> |
float PDFuncert=0; |
| 479 |
> |
if(ismSUGRA) PDFuncert = get_pdf_uncertainty(events, mcjzb, requireZ, Neventsinfile, addcut); |
| 480 |
> |
|
| 481 |
|
dout << "_______________________________________________" << endl; |
| 482 |
|
dout << " SUMMARY FOR " << informalname << " with JZB>" << jzbSel << " (all in %) "; |
| 483 |
|
if(addcut!="") dout << "With additional cut: " << addcut; |
| 489 |
|
dout << "JZB Scale Uncert: " << scaledown << " " << scaleup << endl; // in range [0,1] |
| 490 |
|
dout << "Resolution : " << resolution << endl; // in range [0,1] |
| 491 |
|
dout << "From peak : " << sysfrompeak << endl; // in range [0,1] |
| 492 |
+ |
dout << "PDF uncertainty : " << PDFuncert << " (not yet included below) " << endl; // in range [0,1] |
| 493 |
|
dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << " (not yet included below) " << endl; // in range [0,1] |
| 494 |
|
dout << "JZB response : " << resp << " +/-" << resperr << " (not yet included below) " << endl; // in range [0,1] |
| 495 |
|
|
| 500 |
|
if(fabs(scaleup)>fabs(scaledown)) toterr+=(scaleup*scaleup); else toterr+=(scaledown*scaledown); |
| 501 |
|
toterr+=(resolution*resolution); |
| 502 |
|
toterr+=(sysfrompeak*sysfrompeak); |
| 503 |
+ |
if(ismSUGRA) toterr+=(PDFuncert*PDFuncert); |
| 504 |
|
dout << "TOTAL SYSTEMATICS: " << TMath::Sqrt(toterr) << " --> " << TMath::Sqrt(toterr)*mceff << endl; |
| 505 |
|
float systerr=TMath::Sqrt(toterr)*mceff; |
| 506 |
|
toterr=TMath::Sqrt(toterr*mceff*mceff+mcefferr*mcefferr);//also includes stat err! |
| 518 |
|
if(fabs(jesup)>fabs(jesdown)) res.push_back(fabs(jesup)); else res.push_back(fabs(jesdown)); |
| 519 |
|
if(fabs(scaleup)>fabs(scaledown)) res.push_back(fabs(scaleup)); else res.push_back(fabs(scaledown)); |
| 520 |
|
res.push_back(fabs(resolution)); |
| 521 |
+ |
if(ismSUGRA) res.push_back(PDFuncert); |
| 522 |
|
results.push_back(res); |
| 523 |
|
} |
| 524 |
|
|
