#include <TTree.h>
#include <TCanvas.h>
#include <TDirectory.h>
+#include <TH2F.h>
+#include <TF1.h>
//____________________________________________________________________
ClassImp(AliESDtrackCuts)
"require ITS refit",
"n clusters TPC",
"n clusters ITS",
- "#Chi^{2}/clusters TPC",
- "#Chi^{2}/clusters ITS",
+ "#Chi^{2}/cluster TPC",
+ "#Chi^{2}/cluster ITS",
"cov 11",
"cov 22",
"cov 33",
"p_{x}",
"p_{y}",
"p_{z}",
- "y",
"eta",
- "trk-to-vtx dca absolute",
- "trk-to-vtx dca xy absolute",
- "trk-to-vtx dca z absolute",
+ "y",
+ "trk-to-vtx max dca 2D absolute",
+ "trk-to-vtx max dca xy absolute",
+ "trk-to-vtx max dca z absolute",
+ "trk-to-vtx min dca 2D absolute",
+ "trk-to-vtx min dca xy absolute",
+ "trk-to-vtx min dca z absolute",
"SPD cluster requirement",
"SDD cluster requirement",
- "SSD cluster requirement"
+ "SSD cluster requirement",
+ "require ITS stand-alone"
};
//____________________________________________________________________
fCutAcceptKinkDaughters(0),
fCutRequireTPCRefit(0),
fCutRequireITSRefit(0),
+ fCutRequireITSStandAlone(0),
fCutNsigmaToVertex(0),
fCutSigmaToVertexRequired(0),
- fCutDCAToVertex(0),
- fCutDCAToVertexXY(0),
- fCutDCAToVertexZ(0),
+ fCutMaxDCAToVertexXY(0),
+ fCutMaxDCAToVertexZ(0),
+ fCutMinDCAToVertexXY(0),
+ fCutMinDCAToVertexZ(0),
+ fCutDCAToVertex2D(0),
fPMin(0),
fPMax(0),
fPtMin(0),
SetMaxCovDiagonalElements();
SetRequireTPCRefit();
SetRequireITSRefit();
- SetAcceptKingDaughters();
+ SetRequireITSStandAlone(kFALSE);
+ SetAcceptKinkDaughters();
SetMaxNsigmaToVertex();
- SetMaxDCAToVertex();
SetMaxDCAToVertexXY();
SetMaxDCAToVertexZ();
+ SetDCAToVertex2D();
+ SetMinDCAToVertexXY();
+ SetMinDCAToVertexZ();
SetPRange();
SetPtRange();
SetPxRange();
fCutAcceptKinkDaughters(0),
fCutRequireTPCRefit(0),
fCutRequireITSRefit(0),
+ fCutRequireITSStandAlone(0),
fCutNsigmaToVertex(0),
fCutSigmaToVertexRequired(0),
- fCutDCAToVertex(0),
- fCutDCAToVertexXY(0),
- fCutDCAToVertexZ(0),
+ fCutMaxDCAToVertexXY(0),
+ fCutMaxDCAToVertexZ(0),
+ fCutMinDCAToVertexXY(0),
+ fCutMinDCAToVertexZ(0),
+ fCutDCAToVertex2D(0),
fPMin(0),
fPMax(0),
fPtMin(0),
fCutAcceptKinkDaughters = 0;
fCutRequireTPCRefit = 0;
fCutRequireITSRefit = 0;
+ fCutRequireITSStandAlone = 0;
fCutNsigmaToVertex = 0;
fCutSigmaToVertexRequired = 0;
- fCutDCAToVertex = 0;
- fCutDCAToVertexXY = 0;
- fCutDCAToVertexZ = 0;
+ fCutMaxDCAToVertexXY = 0;
+ fCutMaxDCAToVertexZ = 0;
+ fCutDCAToVertex2D = 0;
+ fCutMinDCAToVertexXY = 0;
+ fCutMinDCAToVertexZ = 0;
+
fPMin = 0;
fPMax = 0;
fPtMin = 0;
target.fCutAcceptKinkDaughters = fCutAcceptKinkDaughters;
target.fCutRequireTPCRefit = fCutRequireTPCRefit;
target.fCutRequireITSRefit = fCutRequireITSRefit;
+ target.fCutRequireITSStandAlone = fCutRequireITSStandAlone;
target.fCutNsigmaToVertex = fCutNsigmaToVertex;
target.fCutSigmaToVertexRequired = fCutSigmaToVertexRequired;
- target.fCutDCAToVertex = fCutDCAToVertex;
- target.fCutDCAToVertexXY = fCutDCAToVertexXY;
- target.fCutDCAToVertexZ = fCutDCAToVertexZ;
+ target.fCutMaxDCAToVertexXY = fCutMaxDCAToVertexXY;
+ target.fCutMaxDCAToVertexZ = fCutMaxDCAToVertexZ;
+ target.fCutDCAToVertex2D = fCutDCAToVertex2D;
+ target.fCutMinDCAToVertexXY = fCutMinDCAToVertexXY;
+ target.fCutMinDCAToVertexZ = fCutMinDCAToVertexZ;
target.fPMin = fPMin;
target.fPMax = fPMax;
// -> Erf(d/Sqrt(2)) for a 1-dim gauss (d = n_sigma)
// -> 1 - Exp(-d**2) for a 2-dim gauss (d*d = dx*dx + dy*dy != n_sigma)
//
- // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-x**2)/2)
+ // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-d**2)/2)
// Can this be expressed in a different way?
if (bRes[0] == 0 || bRes[1] ==0)
}
//____________________________________________________________________
-Bool_t
-AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack) {
+Bool_t AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack)
+{
//
// figure out if the tracks survives all the track cuts defined
//
// fTracks.fP //GetMass
// fTracks.fKinkIndexes
-
UInt_t status = esdTrack->GetStatus();
// getting quality parameters from the ESD track
Float_t dcaToVertexXY = b[0];
Float_t dcaToVertexZ = b[1];
- Float_t dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
-
+ Float_t dcaToVertex = -1;
+
+ if (fCutDCAToVertex2D)
+ {
+ dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ);
+ }
+ else
+ dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
+
// getting the kinematic variables of the track
// (assuming the mass is known)
Double_t p[3];
cuts[19] = kTRUE;
if((y < fRapMin) || (y > fRapMax))
cuts[20] = kTRUE;
- if (dcaToVertex > fCutDCAToVertex)
+ if (fCutDCAToVertex2D && dcaToVertex > 1)
cuts[21] = kTRUE;
- if (TMath::Abs(dcaToVertexXY) > fCutDCAToVertexXY)
+ if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY)
cuts[22] = kTRUE;
- if (TMath::Abs(dcaToVertexZ) > fCutDCAToVertexZ)
+ if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ)
cuts[23] = kTRUE;
+ if (fCutDCAToVertex2D && fCutMinDCAToVertexXY > 0 && fCutMinDCAToVertexZ > 0 && dcaToVertexXY*dcaToVertexXY/fCutMinDCAToVertexXY/fCutMinDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMinDCAToVertexZ/fCutMinDCAToVertexZ < 1)
+ cuts[24] = kTRUE;
+ if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) < fCutMinDCAToVertexXY)
+ cuts[25] = kTRUE;
+ if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) < fCutMinDCAToVertexZ)
+ cuts[26] = kTRUE;
for (Int_t i = 0; i < 3; i++)
- cuts[24+i] = !CheckITSClusterRequirement(fCutClusterRequirementITS[i], esdTrack->HasPointOnITSLayer(i*2), esdTrack->HasPointOnITSLayer(i*2+1));
-
+ cuts[27+i] = !CheckITSClusterRequirement(fCutClusterRequirementITS[i], esdTrack->HasPointOnITSLayer(i*2), esdTrack->HasPointOnITSLayer(i*2+1));
+
+ if (fCutRequireITSStandAlone && ((status & AliESDtrack::kITSin) == 0 || (status & AliESDtrack::kTPCin)))
+ cuts[30]=kTRUE;
+
Bool_t cut=kFALSE;
for (Int_t i=0; i<kNCuts; i++)
- if (cuts[i]) cut = kTRUE;
+ if (cuts[i]) {cut = kTRUE;}
fhNSigmaToVertex[i] = new TH1F("nSigmaToVertex","",500,0,10);
- fhPt[i] = new TH1F("pt" ,"p_{T} distribution;p_{T} (GeV/c)",500,0.0,100.0);
+ fhPt[i] = new TH1F("pt" ,"p_{T} distribution;p_{T} (GeV/c)", 800, 0.0, 10.0);
fhEta[i] = new TH1F("eta" ,"#eta distribution;#eta",40,-2.0,2.0);
fhNClustersITS[i]->SetTitle("n ITS clusters");
fhC44[i]->SetTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}");
fhC55[i]->SetTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]");
- fhDXY[i]->SetTitle("transverse impact parameter");
- fhDZ[i]->SetTitle("longitudinal impact parameter");
- fhDXYDZ[i]->SetTitle("absolute impact parameter;sqrt(dXY**2 + dZ**2) in cm");
- fhDXYvsDZ[i]->SetXTitle("longitudinal impact parameter");
- fhDXYvsDZ[i]->SetYTitle("transverse impact parameter");
+ fhDXY[i]->SetXTitle("transverse impact parameter (cm)");
+ fhDZ[i]->SetXTitle("longitudinal impact parameter (cm)");
+ fhDXYDZ[i]->SetTitle("absolute impact parameter;sqrt(dXY**2 + dZ**2) (cm)");
+ fhDXYvsDZ[i]->SetXTitle("longitudinal impact parameter (cm)");
+ fhDXYvsDZ[i]->SetYTitle("transverse impact parameter (cm)");
- fhDXYNormalized[i]->SetTitle("normalized trans impact par");
- fhDZNormalized[i]->SetTitle("normalized long impact par");
- fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par");
- fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par");
+ fhDXYNormalized[i]->SetTitle("normalized trans impact par (n#sigma)");
+ fhDZNormalized[i]->SetTitle("normalized long impact par (n#sigma)");
+ fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par (n#sigma)");
+ fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par (n#sigma)");
fhNSigmaToVertex[i]->SetTitle("n #sigma to vertex");
fhNClustersITS[i]->SetLineColor(color); fhNClustersITS[i]->SetLineWidth(2);
SetMaxNsigmaToVertex(sigma);
}
-void AliESDtrackCuts::SetDCAToVertex(Float_t dist)
+void AliESDtrackCuts::SetAcceptKingDaughters(Bool_t b)
{
// deprecated, will be removed in next release
- Printf("WARNING: AliESDtrackCuts::SetDCAToVertex is DEPRECATED and will be removed in the next release. Please use SetMaxDCAToVertex instead. Renaming was done to improve code readability.");
+ Printf("WARNING: AliESDtrackCuts::SetAcceptKingDaughters is DEPRECATED and will be removed in the next release. Please use SetAcceptKinkDaughters instead. Renaming was done to improve code readability.");
- SetMaxDCAToVertex(dist);
+ SetAcceptKinkDaughters(b);
}
-
-void AliESDtrackCuts::SetDCAToVertexXY(Float_t dist)
-{
- // deprecated, will be removed in next release
- Printf("WARNING: AliESDtrackCuts::SetDCAToVertexXY is DEPRECATED and will be removed in the next release. Please use SetMaxDCAToVertexXY instead. Renaming was done to improve code readability.");
-
- SetMaxDCAToVertexXY(dist);
-}
-
-void AliESDtrackCuts::SetDCAToVertexZ(Float_t dist)
+Bool_t AliESDtrackCuts::GetAcceptKingDaughters() const
{
// deprecated, will be removed in next release
- Printf("WARNING: AliESDtrackCuts::SetDCAToVertexZ is DEPRECATED and will be removed in the next release. Please use SetMaxDCAToVertexZ instead. Renaming was done to improve code readability.");
+ Printf("WARNING: AliESDtrackCuts::GetAcceptKingDaughters is DEPRECATED and will be removed in the next release. Please use GetAcceptKinkDaughters instead. Renaming was done to improve code readability.");
- SetMaxDCAToVertexZ(dist);
+ return GetAcceptKinkDaughters();
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff