ClassImp(AliCollisionNormalization)
-const char * AliCollisionNormalization::fProcLabel[] = {"SD","DD","ND", "Unknown"};
+const char * AliCollisionNormalization::fgkProcLabel[] = {"SD","DD","ND", "Unknown"};
AliCollisionNormalization::AliCollisionNormalization() :
TObject(),
fHistVzData (0),
fHistProcTypes (0),
fHistStatBin0 (0),
- fHistStat (0)
+ fHistStat (0),
+ fInputEvents(0),
+ fPhysSelEvents(0),
+ fBgEvents(0),
+ fAllEvents(0),
+ fAllEventsZRange(0),
+ fAllEventsZRangeMult1(0),
+ fAllEventsInBin0ZRange(0),
+ fTrigEffBin0(0)
{
// ctor
fHistVzData (0),
fHistProcTypes (0),
fHistStatBin0 (0),
- fHistStat (0)
-
+ fHistStat (0),
+ fInputEvents(0),
+ fPhysSelEvents(0),
+ fBgEvents(0),
+ fAllEvents(0),
+ fAllEventsZRange(0),
+ fAllEventsZRangeMult1(0),
+ fAllEventsInBin0ZRange(0),
+ fTrigEffBin0(0)
{
// ctor, allows setting binning
fHistVzData (0),
fHistProcTypes (0),
fHistStatBin0 (0),
- fHistStat (0)
+ fHistStat (0),
+ fInputEvents(0),
+ fPhysSelEvents(0),
+ fBgEvents(0),
+ fAllEvents(0),
+ fAllEventsZRange(0),
+ fAllEventsZRangeMult1(0),
+ fAllEventsInBin0ZRange(0),
+ fTrigEffBin0(0)
{
TH1::AddDirectory(kFALSE);
for(Int_t iproc = 0; iproc < kNProcs; iproc++){
- fHistVzMCGen [iproc] = (TH2F*) BookVzHisto(TString("fHistVzMCGen")+ fProcLabel[iproc] ,"Vz distribution of generated events vs rec multiplicity ");
- fHistVzMCRec [iproc] = (TH2F*) BookVzHisto(TString("fHistVzMCRec")+ fProcLabel[iproc] ,"Vz distribution of reconstructed events vs rec multiplicity");
- fHistVzMCTrg [iproc] = (TH2F*) BookVzHisto(TString("fHistVzMCTrg")+ fProcLabel[iproc] ,"Vz distribution of triggered events vs rec multiplicity ");
+ fHistVzMCGen [iproc] = (TH2F*) BookVzHisto(TString("fHistVzMCGen")+ fgkProcLabel[iproc] ,"Vz distribution of generated events vs rec multiplicity ");
+ fHistVzMCRec [iproc] = (TH2F*) BookVzHisto(TString("fHistVzMCRec")+ fgkProcLabel[iproc] ,"Vz distribution of reconstructed events vs rec multiplicity");
+ fHistVzMCTrg [iproc] = (TH2F*) BookVzHisto(TString("fHistVzMCTrg")+ fgkProcLabel[iproc] ,"Vz distribution of triggered events vs rec multiplicity ");
}
fHistVzData = (TH2F*) BookVzHisto("fHistVzData" ,"Vz distribution of triggered events vs rec multiplicity ");
fHistProcTypes = new TH1F ("fHistProcTypes", "Number of events in the different process classes", kNProcs, -0.5 , kNProcs-0.5);
// selection: this allows to crosscheck that all runs were
// successfully processed (useful if running on grid: you may have a
// crash without noticing it).
+
+ fInputEvents = fHistStat->GetBinContent(1,1);
+ fPhysSelEvents = fHistStat->GetBinContent( fHistStat->GetNbinsX(),1);
+
AliInfo(Form("Input Events (No cuts: %d, After Phys. Sel.:%d)",
- Int_t(fHistStat->GetBinContent(1,1)),
- Int_t(fHistStat->GetBinContent(fHistStat->GetNbinsX(),1)))); // Fixme: will this change with a different trigger scheme?
+ Int_t(fInputEvents),
+ Int_t(fPhysSelEvents))); // Fixme: will this change with a different trigger scheme?
// Get or compute BG. This assumes the CINT1B suite
Double_t triggeredEventsWith0MultWithBG = fHistVzData->Integral(0, fHistVzData->GetNbinsX()+1,1, 1);
- Double_t bg = 0; // This will include beam gas + accidentals
+ // Double_t bg = 0; // This will include beam gas + accidentals
if (fHistStatBin0->GetNbinsY() > 4) { // FIXME: we need a better criterion to decide...
AliInfo("Using BG computed by Physics Selection");
- bg = fHistStatBin0->GetBinContent(fHistStatBin0->GetNbinsX(),AliPhysicsSelection::kStatRowBG);
- bg += fHistStatBin0->GetBinContent(fHistStatBin0->GetNbinsX(),AliPhysicsSelection::kStatRowAcc);
+ // WARNING
+ // CHECK IF THE COMPUTATION OF BG OFFSET IS STILL OK, IN CASE OF CHANGES TO THE PHYSICS SELECTION
+ Int_t bgOffset = 0;
+ Int_t nbiny = fHistStatBin0->GetNbinsY();
+ for(Int_t ibiny =1; ibiny <= nbiny; ibiny++){
+ bgOffset++;
+ printf("%d, %s\n", bgOffset, fHistStatBin0->GetYaxis()->GetBinLabel(ibiny) );
+
+ if(!strncmp("All B", fHistStatBin0->GetYaxis()->GetBinLabel(ibiny),5)) break;
+ if((ibiny+1)==nbiny) AliFatal("Cannot compute bg offset");
+ }
+
+ if(fVerbose > 2) AliInfo(Form("BG Offset: %d",bgOffset));
+
+
+ fBgEvents = fHistStatBin0->GetBinContent(fHistStatBin0->GetNbinsX(), bgOffset+AliPhysicsSelection::kStatRowBG);
+ fBgEvents += fHistStatBin0->GetBinContent(fHistStatBin0->GetNbinsX(),bgOffset+AliPhysicsSelection::kStatRowAcc);
Int_t cint1B = (Int_t) fHistStatBin0->GetBinContent(fHistStatBin0->GetNbinsX(),1);
if (cint1B != Int_t(triggeredEventsWith0MultWithBG)) {
AliWarning(Form("Events in bin0 from physics selection and local counter not consistent: %d - %d", cint1B, Int_t(triggeredEventsWith0MultWithBG)));
}
} else {
AliInfo("Computing BG using CINT1A/B/C/E, ignoring intensities");
+ AliError("This will only work for early runs!!! USE BG FROM PHYSICS SELECTION INSTEAD");
Int_t icol = fHistStatBin0->GetNbinsX();
Int_t cint1B = (Int_t) fHistStatBin0->GetBinContent(icol,1);
Int_t cint1A = (Int_t) fHistStatBin0->GetBinContent(icol,2);
Int_t cint1C = (Int_t) fHistStatBin0->GetBinContent(icol,3);
Int_t cint1E = (Int_t) fHistStatBin0->GetBinContent(icol,4);
- bg = cint1A + cint1C-2*cint1E ;
+ fBgEvents = cint1A + cint1C-2*cint1E ; // FIXME: to be changed to take into account ratios of events
if (cint1B != triggeredEventsWith0MultWithBG) {
AliWarning(Form("Events in bin0 from physics selection and local counter not consistent: %d - %d", cint1B, (Int_t)triggeredEventsWith0MultWithBG));
}
}
- Double_t triggeredEventsWith0Mult = triggeredEventsWith0MultWithBG - bg;
+ Double_t triggeredEventsWith0Mult = triggeredEventsWith0MultWithBG - fBgEvents;
if(fVerbose > 0) AliInfo(Form("Measured events with vertex: %d",allEventsWithVertex));
Double_t bin0 = fHistVzData->Integral(0, fHistVzData->GetNbinsX()+1,
1, 1);
- if(fVerbose > 0) AliInfo(Form("Zero Bin, Meas: %2.2f, BG: %2.2f, Meas - BG: %2.2f", bin0, bg, triggeredEventsWith0Mult));
+ if(fVerbose > 0) AliInfo(Form("Zero Bin, Meas: %2.2f, BG: %2.2f, Meas - BG: %2.2f", bin0, fBgEvents, triggeredEventsWith0Mult));
// This pointers are here so that I use the same names used in Jan Fiete's code (allows for faster/easier comparison)
TH2* eTrig = histVzMCTrg;
TH2* eTrigVtx = histVzMCRec;
- TH1* eTrigVtx_projx = eTrigVtx->ProjectionX("eTrigVtx_projx", 2, eTrigVtx->GetNbinsX()+1);
+ TH1* eTrigVtxProjx = eTrigVtx->ProjectionX("eTrigVtxProjx", 2, eTrigVtx->GetNbinsX()+1);
// compute trigger and vertex efficiency
TH2 * effVtxTrig = (TH2*) histVzMCRec->Clone("effVtxTrig");
TH2 * correctedEvents = (TH2*) fHistVzData->Clone("correctedEvents");
correctedEvents->Divide(effVtxTrig);
- // TH1 * correctedEvents = fHistVzData->ProjectionX("eTrigVtx_projx", 2, eTrigVtx->GetNbinsX()+1);
+ // TH1 * correctedEvents = fHistVzData->ProjectionX("eTrigVtxProjx", 2, eTrigVtx->GetNbinsX()+1);
// loop over vertex bins
for (Int_t i = 1; i <= fHistVzData->GetNbinsX(); i++)
Double_t alpha = (Double_t) hVzData->GetBinContent(i) / allEventsWithVertex;
Double_t events = alpha * triggeredEventsWith0Mult;
- if (histVzMCRec->GetBinContent(i,1) == 0)
+ // if (histVzMCRec->GetBinContent(i,1) == 0)
+ // continue;
+ if (!eTrigVtxProjx->GetBinContent(i) || !eTrig->Integral(0, eTrig->GetNbinsX()+1, 1, 1))
continue;
- Double_t fZ = eTrigVtx_projx->Integral(0, eTrigVtx_projx->GetNbinsX()+1) / eTrigVtx_projx->GetBinContent(i) *
+ Double_t fZ = eTrigVtxProjx->Integral(0, eTrigVtxProjx->GetNbinsX()+1) / eTrigVtxProjx->GetBinContent(i) *
eTrig->GetBinContent(i, 1) / eTrig->Integral(0, eTrig->GetNbinsX()+1, 1, 1);
events *= fZ;
events *= correction;
if (fVerbose > 1) Printf(" Bin %d, alpha is %.2f%%, fZ is %.3f, number of events with 0 mult.: %.2f (MC comparison: %.2f)", i, alpha * 100., fZ, events,
- histVzMCRec->GetBinContent(i,1));
+ histVzMCTrg->GetBinContent(i,1));
correctedEvents->SetBinContent(i, 1, events);
}
// Integrate correctedEvents over full z range
- Double_t allEvents = correctedEvents->Integral(0, correctedEvents->GetNbinsX()+1,0, correctedEvents->GetNbinsY()+1);
+ fAllEvents = correctedEvents->Integral(0, correctedEvents->GetNbinsX()+1,0, correctedEvents->GetNbinsY()+1);
// Integrate correctedEvents over needed z range
- Double_t allEventsZrange = correctedEvents->Integral(correctedEvents->GetXaxis()->FindBin(-fZRange), correctedEvents->GetXaxis()->FindBin(fZRange),
+ fAllEventsZRange = correctedEvents->Integral(correctedEvents->GetXaxis()->FindBin(-fZRange), correctedEvents->GetXaxis()->FindBin(fZRange-0.0001),
0, correctedEvents->GetNbinsY()+1);
-
+
+ fAllEventsZRangeMult1 = correctedEvents->Integral(correctedEvents->GetXaxis()->FindBin(-fZRange), correctedEvents->GetXaxis()->FindBin(fZRange-0.0001),
+ 2,correctedEvents->GetNbinsY()+1);
+
+ fAllEventsInBin0ZRange = correctedEvents->Integral(correctedEvents->GetXaxis()->FindBin(-fZRange), correctedEvents->GetXaxis()->FindBin(fZRange-0.0001),1,1);
+
if(fVerbose > 1) AliInfo(Form("Results in |Vz| < %3.3f",fZRange));
if(fVerbose > 1) AliInfo(Form(" Events in Bin0: %2.2f, With > 1 track: %2.2f, All corrected: %2.2f",
- correctedEvents->Integral(correctedEvents->GetXaxis()->FindBin(-fZRange), correctedEvents->GetXaxis()->FindBin(fZRange),1,1),
- correctedEvents->Integral(correctedEvents->GetXaxis()->FindBin(-fZRange), correctedEvents->GetXaxis()->FindBin(fZRange),
- 2,correctedEvents->GetNbinsX()+1),
- allEventsZrange));
+ fAllEventsInBin0ZRange,
+ fAllEventsZRangeMult1,
+ fAllEventsZRange));
+ Int_t nbin = histVzMCTrg->GetNbinsX();
+ fTrigEffBin0 = histVzMCTrg->Integral(0,nbin+1,1,1)/histVzMCGen->Integral(0,nbin+1,1,1);
if(fVerbose > 1) {
- Int_t nbin = histVzMCRec->GetNbinsX();
- AliInfo(Form("Efficiency in the zero bin: %3.3f", histVzMCRec->Integral(0,nbin+1,1,1)/histVzMCGen->Integral(0,nbin+1,1,1) ));
+ AliInfo(Form("Trigger Efficiency in the zero bin: %3.3f", fTrigEffBin0 ));
}
- AliInfo(Form("Number of collisions in full phase space: %2.2f", allEvents));
+ AliInfo(Form("Number of collisions in full phase space: %2.2f", fAllEvents));
// effVtxTrig->Draw();
// new TCanvas();
// correctedEvents->Draw(); // FIXME: debug
- return allEvents;
+ return fAllEvents;
}
Long64_t AliCollisionNormalization::Merge(TCollection* list)
}
-Int_t AliCollisionNormalization::GetProcessType(AliMCEvent * mcEvt) {
+Int_t AliCollisionNormalization::GetProcessType(const AliMCEvent * mcEvt) {
// Determine if the event was generated with pythia or phojet and return the process type
// compute efficiency, defined as the ratio XS in generator / XS
// measured
- Float_t ref_SD, ref_DD, ref_ND, error_SD, error_DD, error_ND;
- GetRelativeFractions(fReferenceXS,ref_SD, ref_DD, ref_ND, error_SD, error_DD, error_ND);
+ Float_t refSD, refDD, refND, errorSD, errorDD, errorND;
+ GetRelativeFractions(fReferenceXS,refSD, refDD, refND, errorSD, errorDD, errorND);
static Double_t total = fHistProcTypes->Integral();
if (fHistProcTypes->GetBinContent(fHistProcTypes->FindBin(kProcUnknown)) > 0) {
AliError("There were unknown processes!!!");
}
- static Double_t SD = fHistProcTypes->GetBinContent(fHistProcTypes->FindBin(kProcSD))/total;
- static Double_t DD = fHistProcTypes->GetBinContent(fHistProcTypes->FindBin(kProcDD))/total;
- static Double_t ND = fHistProcTypes->GetBinContent(fHistProcTypes->FindBin(kProcND))/total;
+ static Double_t lSD = fHistProcTypes->GetBinContent(fHistProcTypes->FindBin(kProcSD))/total;
+ static Double_t lDD = fHistProcTypes->GetBinContent(fHistProcTypes->FindBin(kProcDD))/total;
+ static Double_t lND = fHistProcTypes->GetBinContent(fHistProcTypes->FindBin(kProcND))/total;
if (fVerbose > 2) {
AliInfo(Form("Total MC evts: %f",total));
- AliInfo(Form(" Frac SD %4.4f", SD));
- AliInfo(Form(" Frac DD %4.4f", DD));
- AliInfo(Form(" Frac ND %4.4f", ND));
+ AliInfo(Form(" Frac SD %4.4f", lSD));
+ AliInfo(Form(" Frac DD %4.4f", lDD));
+ AliInfo(Form(" Frac ND %4.4f", lND));
}
switch(proc) {
case kProcSD:
- return ref_SD/SD;
+ return refSD/lSD;
break;
case kProcDD:
- return ref_DD/DD;
+ return refDD/lDD;
break;
case kProcND:
- return ref_ND/ND;
+ return refND/lND;
break;
default:
AliError("Unknown process");
}
-void AliCollisionNormalization::GetRelativeFractions(Int_t origin, Float_t& ref_SD, Float_t& ref_DD, Float_t& ref_ND, Float_t& error_SD, Float_t& error_DD, Float_t& error_ND)
+void AliCollisionNormalization::GetRelativeFractions(Int_t origin, Float_t& refSD, Float_t& refDD, Float_t& refND, Float_t& errorSD, Float_t& errorDD, Float_t& errorND)
{
// Returns fraction of XS (SD, ND, DD) and corresponding error
// Stolen from Jan Fiete's drawSystematics macro
{
case -10: // Pythia default at 7 GeV, 50% error
AliInfo("PYTHIA x-sections");
- ref_SD = 0.192637; error_SD = ref_SD * 0.5;
- ref_DD = 0.129877; error_DD = ref_DD * 0.5;
- ref_ND = 0.677486; error_ND = 0;
+ refSD = 0.192637; errorSD = refSD * 0.5;
+ refDD = 0.129877; errorDD = refDD * 0.5;
+ refND = 0.677486; errorND = 0;
break;
case -1: // Pythia default at 900 GeV, as test
AliInfo("PYTHIA x-sections");
- ref_SD = 0.223788;
- ref_DD = 0.123315;
- ref_ND = 0.652897;
+ refSD = 0.223788;
+ refDD = 0.123315;
+ refND = 0.652897;
break;
case 0: // UA5
AliInfo("UA5 x-sections a la first paper");
- ref_SD = 0.153; error_SD = 0.05;
- ref_DD = 0.080; error_DD = 0.05;
- ref_ND = 0.767; error_ND = 0;
+ refSD = 0.153; errorSD = 0.05;
+ refDD = 0.080; errorDD = 0.05;
+ refND = 0.767; errorND = 0;
break;
case 10: // UA5
// ND: 0.688662
// SD: 0.188588 --> this should be 15.3
// DD: 0.122750
- ref_SD = 0.224 * 0.153 / 0.189; error_SD = 0.023 * 0.224 / 0.189;
- ref_DD = 0.095; error_DD = 0.06;
- ref_ND = 1.0 - ref_SD - ref_DD; error_ND = 0;
+ refSD = 0.224 * 0.153 / 0.189; errorSD = 0.023 * 0.224 / 0.189;
+ refDD = 0.095; errorDD = 0.06;
+ refND = 1.0 - refSD - refDD; errorND = 0;
break;
case 11: // UA5
// ND: 0.783573
// SD: 0.151601 --> this should be 15.3
// DD: 0.064827
- ref_SD = 0.191 * 0.153 / 0.152; error_SD = 0.023 * 0.191 / 0.152;
- ref_DD = 0.095; error_DD = 0.06;
- ref_ND = 1.0 - ref_SD - ref_DD; error_ND = 0;
+ refSD = 0.191 * 0.153 / 0.152; errorSD = 0.023 * 0.191 / 0.152;
+ refDD = 0.095; errorDD = 0.06;
+ refND = 1.0 - refSD - refDD; errorND = 0;
break;
case 2: // tel-aviv model
AliInfo("Tel-aviv model x-sections");
- ref_SD = 0.171;
- ref_DD = 0.094;
- ref_ND = 1 - ref_SD - ref_DD;
+ refSD = 0.171;
+ refDD = 0.094;
+ refND = 1 - refSD - refDD;
break;
case 3: // durham model
AliInfo("Durham model x-sections");
- ref_SD = 0.190;
- ref_DD = 0.125;
- ref_ND = 1 - ref_SD - ref_DD;
+ refSD = 0.190;
+ refDD = 0.125;
+ refND = 1 - refSD - refDD;
break;
default:
AliFatal(Form("Unknown origin %d, Energy %f", origin, fEnergy));
// ND: 0.705709
// SD: 0.166590 --> this should be 15.9
// DD: 0.127701
- ref_SD = 0.217 * 0.159 / 0.167; error_SD = 0.024 * 0.217 / 0.167;
- ref_DD = 0.075 * 1.43; error_DD = 0.02 * 1.43;
- ref_ND = 1.0 - ref_SD - ref_DD; error_ND = 0;
+ refSD = 0.217 * 0.159 / 0.167; errorSD = 0.024 * 0.217 / 0.167;
+ refDD = 0.075 * 1.43; errorDD = 0.02 * 1.43;
+ refND = 1.0 - refSD - refDD; errorND = 0;
break;
case 21: // E710, 1.8 TeV
// ND: 0.817462
// SD: 0.125506 --> this should be 15.9
// DD: 0.057032
- ref_SD = 0.161 * 0.159 / 0.126; error_SD = 0.024 * 0.161 / 0.126;
- ref_DD = 0.075 * 1.43; error_DD = 0.02 * 1.43;
- ref_ND = 1.0 - ref_SD - ref_DD; error_ND = 0;
+ refSD = 0.161 * 0.159 / 0.126; errorSD = 0.024 * 0.161 / 0.126;
+ refDD = 0.075 * 1.43; errorDD = 0.02 * 1.43;
+ refND = 1.0 - refSD - refDD; errorND = 0;
break;
case 1: // data 1.8 TeV
AliInfo("??? x-sections");
- ref_SD = 0.152;
- ref_DD = 0.092;
- ref_ND = 1 - ref_SD - ref_DD;
+ refSD = 0.152;
+ refDD = 0.092;
+ refND = 1 - refSD - refDD;
break;
default:
AliFatal(Form("Unknown origin %d, Energy %f", origin, fEnergy));
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff