+ // Get best long track without vertex constrain and best track without vertex constrain
+ for (Int_t ih=0;ih<hentries;ih++){
+ AliITStrackMI * trackh = (AliITStrackMI*)array->At(ih);
+ if (trackh->fConstrain) continue;
+ if (!best) best = trackh;
+ if (!bestLong) bestLong = trackh;
+ if (trackh->fN>5.0){
+ bestLong = trackh; // full track - with minimal chi2
+ break;
+ }
+ if (trackh->fN+trackh->fNDeadZone<=bestLong->fN+bestLong->fNDeadZone) continue;
+ bestLong = trackh;
+ }
+ if (!best) {
+ best = original;
+ bestLong = original;
+ }
+ trackat0 = *bestLong;
+ Double_t xx,yy,zz,alpha;
+ bestLong->GetGlobalXYZat(bestLong->GetX(),xx,yy,zz);
+ alpha = TMath::ATan2(yy,xx);
+ trackat0.Propagate(alpha,0);
+ // calculate normalized distances to the vertex
+ //
+ Float_t ptfac = (1.+100.*TMath::Abs(trackat0.fP4));
+ if ( bestLong->fN>3 ){
+ dist[itsindex] = trackat0.fP0;
+ norm[itsindex] = ptfac*TMath::Sqrt(trackat0.fC00);
+ normdist0[itsindex] = TMath::Abs(trackat0.fP0/norm[itsindex]);
+ normdist1[itsindex] = TMath::Abs((trackat0.fP1-primvertex[2])/(ptfac*TMath::Sqrt(trackat0.fC11)));
+ normdist[itsindex] = TMath::Sqrt(normdist0[itsindex]*normdist0[itsindex]+normdist1[itsindex]*normdist1[itsindex]);
+ if (!bestConst){
+ if (bestLong->fN+bestLong->fNDeadZone<6) normdist[itsindex]*=2.;
+ if (bestLong->fN+bestLong->fNDeadZone<5) normdist[itsindex]*=2.;
+ if (bestLong->fN+bestLong->fNDeadZone<4) normdist[itsindex]*=2.;
+ }else{
+ if (bestConst->fN+bestConst->fNDeadZone<6) normdist[itsindex]*=1.5;
+ if (bestConst->fN+bestConst->fNDeadZone<5) normdist[itsindex]*=1.5;
+ }
+ }
+ else{
+ if (bestConst&&bestConst->fN+bestConst->fNDeadZone>4.5){
+ dist[itsindex] = bestConst->fD[0];
+ norm[itsindex] = bestConst->fDnorm[0];
+ normdist0[itsindex] = TMath::Abs(bestConst->fD[0]/norm[itsindex]);
+ normdist1[itsindex] = TMath::Abs(bestConst->fD[0]/norm[itsindex]);
+ normdist[itsindex] = TMath::Sqrt(normdist0[itsindex]*normdist0[itsindex]+normdist1[itsindex]*normdist1[itsindex]);
+ }else{
+ dist[itsindex] = trackat0.fP0;
+ norm[itsindex] = ptfac*TMath::Sqrt(trackat0.fC00);
+ normdist0[itsindex] = TMath::Abs(trackat0.fP0/norm[itsindex]);
+ normdist1[itsindex] = TMath::Abs((trackat0.fP1-primvertex[2])/(ptfac*TMath::Sqrt(trackat0.fC11)));
+ normdist[itsindex] = TMath::Sqrt(normdist0[itsindex]*normdist0[itsindex]+normdist1[itsindex]*normdist1[itsindex]);
+ if (TMath::Abs(trackat0.fP3)>1.05){
+ if (normdist[itsindex]<3) forbidden[itsindex]=kTRUE;
+ if (normdist[itsindex]>3) {
+ minr[itsindex] = TMath::Max(Float_t(40.),minr[itsindex]);
+ }
+ }
+ }
+ }
+ //
+ //-----------------------------------------------------------
+ //Forbid primary track candidates -
+ //
+ //treetr->SetAlias("forbidden0","Tr0.fN<4&&Tr1.fN+Tr1.fNDeadZone>4.5");
+ //treetr->SetAlias("forbidden1","ND<3&&Tr1.fN+Tr1.fNDeadZone>5.5");
+ //treetr->SetAlias("forbidden2","ND<2&&Tr1.fClIndex[0]>0&&Tr1.fClIndex[0]>0");
+ //treetr->SetAlias("forbidden3","ND<1&&Tr1.fClIndex[0]>0");
+ //treetr->SetAlias("forbidden4","ND<4&&Tr1.fNormChi2[0]<2");
+ //treetr->SetAlias("forbidden5","ND<5&&Tr1.fNormChi2[0]<1");
+ //-----------------------------------------------------------
+ if (bestConst){
+ if (bestLong->fN<4 && bestConst->fN+bestConst->fNDeadZone>4.5) forbidden[itsindex]=kTRUE;
+ if (normdist[itsindex]<3 && bestConst->fN+bestConst->fNDeadZone>5.5) forbidden[itsindex]=kTRUE;
+ if (normdist[itsindex]<2 && bestConst->fClIndex[0]>0 && bestConst->fClIndex[1]>0 ) forbidden[itsindex]=kTRUE;
+ if (normdist[itsindex]<1 && bestConst->fClIndex[0]>0) forbidden[itsindex]=kTRUE;
+ if (normdist[itsindex]<4 && bestConst->fNormChi2[0]<2) forbidden[itsindex]=kTRUE;
+ if (normdist[itsindex]<5 && bestConst->fNormChi2[0]<1) forbidden[itsindex]=kTRUE;
+ if (bestConst->fNormChi2[0]<2.5) {
+ minPointAngle[itsindex]= 0.9999;
+ maxr[itsindex] = 10;
+ }
+ }
+ //
+ //forbid daughter kink candidates
+ //
+ if (esdtrack->GetKinkIndex(0)>0) forbidden[itsindex] = kTRUE;
+ Bool_t isElectron = kTRUE;
+ Bool_t isProton = kTRUE;
+ Double_t pid[5];
+ esdtrack->GetESDpid(pid);
+ for (Int_t i=1;i<5;i++){
+ if (pid[0]<pid[i]) isElectron= kFALSE;
+ if (pid[4]<pid[i]) isProton= kFALSE;
+ }
+ if (isElectron){
+ forbidden[itsindex]=kFALSE;
+ normdist[itsindex]*=-1;
+ }
+ if (isProton){
+ if (normdist[itsindex]>2) forbidden[itsindex]=kFALSE;
+ normdist[itsindex]*=-1;
+ }
+
+ //
+ // Causality cuts in TPC volume
+ //
+ if (esdtrack->GetTPCdensity(0,10) >0.6) maxr[itsindex] = TMath::Min(Float_t(110),maxr[itsindex]);
+ if (esdtrack->GetTPCdensity(10,30)>0.6) maxr[itsindex] = TMath::Min(Float_t(120),maxr[itsindex]);
+ if (esdtrack->GetTPCdensity(20,40)>0.6) maxr[itsindex] = TMath::Min(Float_t(130),maxr[itsindex]);
+ if (esdtrack->GetTPCdensity(30,50)>0.6) maxr[itsindex] = TMath::Min(Float_t(140),maxr[itsindex]);
+ //
+ if (esdtrack->GetTPCdensity(0,60)<0.4&&bestLong->fN<3) minr[itsindex]=100;
+ //
+ //
+ if (kFALSE){
+ cstream<<"Track"<<
+ "Tr0.="<<best<<
+ "Tr1.="<<((bestConst)? bestConst:dummy)<<
+ "Tr2.="<<bestLong<<
+ "Tr3.="<<&trackat0<<
+ "Esd.="<<esdtrack<<
+ "Dist="<<dist[itsindex]<<
+ "ND0="<<normdist0[itsindex]<<
+ "ND1="<<normdist1[itsindex]<<
+ "ND="<<normdist[itsindex]<<
+ "Pz="<<primvertex[2]<<
+ "Forbid="<<forbidden[itsindex]<<
+ "\n";
+ //
+ }
+ trackarray.AddAt(best,itsindex);
+ trackarrayc.AddAt(bestConst,itsindex);
+ trackarrayl.AddAt(bestLong,itsindex);
+ new (&helixes[itsindex]) AliHelix(*best);
+ }
+ //
+ //
+ //
+ // first iterration of V0 finder
+ //
+ for (Int_t iesd0=0;iesd0<ntracks;iesd0++){
+ Int_t itrack0 = itsmap[iesd0];
+ if (forbidden[itrack0]) continue;
+ AliITStrackMI * btrack0 = (AliITStrackMI*)trackarray.At(itrack0);
+ if (!btrack0) continue;
+ if (btrack0->fP4>0) continue;
+ AliITStrackMI *trackc0 = (AliITStrackMI*)trackarrayc.At(itrack0);
+ //
+ for (Int_t iesd1=0;iesd1<ntracks;iesd1++){
+ Int_t itrack1 = itsmap[iesd1];
+ if (forbidden[itrack1]) continue;
+
+ AliITStrackMI * btrack1 = (AliITStrackMI*)trackarray.At(itrack1);
+ if (!btrack1) continue;
+ if (btrack1->fP4<0) continue;
+ Bool_t isGold = kFALSE;
+ if (TMath::Abs(TMath::Abs(btrack0->GetLabel())-TMath::Abs(btrack1->GetLabel()))==1){
+ isGold = kTRUE;
+ }
+ AliITStrackMI *trackc1 = (AliITStrackMI*)trackarrayc.At(itrack1);
+ AliHelix &h1 = helixes[itrack0];
+ AliHelix &h2 = helixes[itrack1];
+ //
+ // find linear distance
+ Double_t rmin =0;
+ //
+ //
+ //
+ Double_t phase[2][2],radius[2];
+ Int_t points = h1.GetRPHIintersections(h2, phase, radius);
+ if (points==0) continue;
+ Double_t delta[2]={1000000,1000000};
+ rmin = radius[0];
+ h1.ParabolicDCA(h2,phase[0][0],phase[0][1],radius[0],delta[0]);
+ if (points==2){
+ if (radius[1]<rmin) rmin = radius[1];
+ h1.ParabolicDCA(h2,phase[1][0],phase[1][1],radius[1],delta[1]);
+ }
+ rmin = TMath::Sqrt(rmin);
+ Double_t distance = 0;
+ Double_t radiusC = 0;
+ Int_t iphase = 0;
+ if (points==1 || delta[0]<delta[1]){
+ distance = TMath::Sqrt(delta[0]);
+ radiusC = TMath::Sqrt(radius[0]);
+ }else{
+ distance = TMath::Sqrt(delta[1]);
+ radiusC = TMath::Sqrt(radius[1]);
+ iphase=1;
+ }
+ if (radiusC<TMath::Max(minr[itrack0],minr[itrack1])) continue;
+ if (radiusC>TMath::Min(maxr[itrack0],maxr[itrack1])) continue;
+ Float_t maxDist = TMath::Min(kMaxDist,Float_t(kMaxDist0+radiusC*kMaxDist1));
+ if (distance>maxDist) continue;
+ Float_t pointAngle = h1.GetPointAngle(h2,phase[iphase],primvertex);
+ if (pointAngle<TMath::Max(minPointAngle[itrack0],minPointAngle[itrack1])) continue;
+ //
+ //
+ // Double_t distance = TestV0(h1,h2,pvertex,rmin);
+ //
+ // if (distance>maxDist) continue;
+ // if (pvertex->GetRr()<kMinR) continue;
+ // if (pvertex->GetRr()>kMaxR) continue;
+ AliITStrackMI * track0=btrack0;
+ AliITStrackMI * track1=btrack1;
+ // if (pvertex->GetRr()<3.5){
+ if (radiusC<3.5){
+ //use longest tracks inside the pipe
+ track0 = (AliITStrackMI*)trackarrayl.At(itrack0);
+ track1 = (AliITStrackMI*)trackarrayl.At(itrack1);
+ }
+ //
+ //
+ pvertex->SetM(*track0);
+ pvertex->SetP(*track1);
+ pvertex->Update(primvertex);
+ pvertex->SetClusters(track0->fClIndex,track1->fClIndex); // register clusters
+
+ if (pvertex->GetRr()<kMinR) continue;
+ if (pvertex->GetRr()>kMaxR) continue;
+ if (pvertex->GetPointAngle()<kMinPointAngle) continue;
+ if (pvertex->GetDist2()>maxDist) continue;
+ pvertex->SetLab(0,track0->GetLabel());
+ pvertex->SetLab(1,track1->GetLabel());
+ pvertex->SetIndex(0,track0->fESDtrack->GetID());
+ pvertex->SetIndex(1,track1->fESDtrack->GetID());
+
+ //
+ AliITStrackMI * htrackc0 = trackc0 ? trackc0:dummy;
+ AliITStrackMI * htrackc1 = trackc1 ? trackc1:dummy;
+
+ //
+ //
+ TObjArray * array0b = (TObjArray*)fBestHypothesys.At(itrack0);
+ if (!array0b&&pvertex->GetRr()<40 && TMath::Abs(track0->fP3)<1.1)
+ FollowProlongationTree((AliITStrackMI*)fOriginal.At(itrack0),itrack0, kFALSE);
+ TObjArray * array1b = (TObjArray*)fBestHypothesys.At(itrack1);
+ if (!array1b&&pvertex->GetRr()<40 && TMath::Abs(track1->fP3)<1.1)
+ FollowProlongationTree((AliITStrackMI*)fOriginal.At(itrack1),itrack1, kFALSE);
+ //
+ AliITStrackMI * track0b = (AliITStrackMI*)fOriginal.At(itrack0);
+ AliITStrackMI * track1b = (AliITStrackMI*)fOriginal.At(itrack1);
+ AliITStrackMI * track0l = (AliITStrackMI*)fOriginal.At(itrack0);
+ AliITStrackMI * track1l = (AliITStrackMI*)fOriginal.At(itrack1);
+
+ Float_t minchi2before0=16;
+ Float_t minchi2before1=16;
+ Float_t minchi2after0 =16;
+ Float_t minchi2after1 =16;
+ Int_t maxLayer = GetNearestLayer(pvertex->GetXrp());
+
+ if (array0b) for (Int_t i=0;i<5;i++){
+ // best track after vertex
+ AliITStrackMI * btrack = (AliITStrackMI*)array0b->At(i);
+ if (!btrack) continue;
+ if (btrack->fN>track0l->fN) track0l = btrack;
+ // if (btrack->fX<pvertex->GetRr()-2.-0.5/(0.1+pvertex->GetAnglep()[2])) {
+ if (btrack->fX<pvertex->GetRr()-2.) {
+ if ( (maxLayer>i+2|| (i==0)) && btrack->fN==(6-i)&&i<3){
+ Float_t sumchi2= 0;
+ Float_t sumn = 0;
+ if (maxLayer<3){ // take prim vertex as additional measurement
+ if (normdist[itrack0]>0 && htrackc0){
+ sumchi2 += TMath::Min((3.-maxLayer)*normdist[itrack0]*normdist[itrack0],16.);
+ }else{
+ sumchi2 += TMath::Min((3.-maxLayer)*(3*normdist[itrack0]*normdist[itrack0]+3.),16.);
+ }
+ sumn += 3-maxLayer;
+ }
+ for (Int_t ilayer=i;ilayer<maxLayer;ilayer++){
+ sumn+=1.;
+ if (!btrack->fClIndex[ilayer]){
+ sumchi2+=25;
+ continue;
+ }else{
+ Int_t c=( btrack->fClIndex[ilayer] & 0x0fffffff);
+ for (Int_t itrack=0;itrack<4;itrack++){
+ if (fgLayers[ilayer].fClusterTracks[itrack][c]>=0 && fgLayers[ilayer].fClusterTracks[itrack][c]!=itrack0){
+ sumchi2+=18.; //shared cluster
+ break;
+ }
+ }
+ sumchi2+=btrack->fDy[ilayer]*btrack->fDy[ilayer]/(btrack->fSigmaY[ilayer]*btrack->fSigmaY[ilayer]);
+ sumchi2+=btrack->fDz[ilayer]*btrack->fDz[ilayer]/(btrack->fSigmaZ[ilayer]*btrack->fSigmaZ[ilayer]);
+ }
+ }
+ sumchi2/=sumn;
+ if (sumchi2<minchi2before0) minchi2before0=sumchi2;
+ }
+ continue; //safety space - Geo manager will give exact layer
+ }
+ track0b = btrack;
+ minchi2after0 = btrack->fNormChi2[i];
+ break;
+ }
+ if (array1b) for (Int_t i=0;i<5;i++){
+ // best track after vertex
+ AliITStrackMI * btrack = (AliITStrackMI*)array1b->At(i);
+ if (!btrack) continue;
+ if (btrack->fN>track1l->fN) track1l = btrack;
+ // if (btrack->fX<pvertex->GetRr()-2-0.5/(0.1+pvertex->GetAnglep()[2])){
+ if (btrack->fX<pvertex->GetRr()-2){
+ if ((maxLayer>i+2 || (i==0))&&btrack->fN==(6-i)&&(i<3)){
+ Float_t sumchi2= 0;
+ Float_t sumn = 0;
+ if (maxLayer<3){ // take prim vertex as additional measurement
+ if (normdist[itrack1]>0 && htrackc1){
+ sumchi2 += TMath::Min((3.-maxLayer)*normdist[itrack1]*normdist[itrack1],16.);
+ }else{
+ sumchi2 += TMath::Min((3.-maxLayer)*(3*normdist[itrack1]*normdist[itrack1]+3.),16.);
+ }
+ sumn += 3-maxLayer;
+ }
+ for (Int_t ilayer=i;ilayer<maxLayer;ilayer++){
+ sumn+=1.;
+ if (!btrack->fClIndex[ilayer]){
+ sumchi2+=30;
+ continue;
+ }else{
+ Int_t c=( btrack->fClIndex[ilayer] & 0x0fffffff);
+ for (Int_t itrack=0;itrack<4;itrack++){
+ if (fgLayers[ilayer].fClusterTracks[itrack][c]>=0 && fgLayers[ilayer].fClusterTracks[itrack][c]!=itrack1){
+ sumchi2+=18.; //shared cluster
+ break;
+ }
+ }
+ sumchi2+=btrack->fDy[ilayer]*btrack->fDy[ilayer]/(btrack->fSigmaY[ilayer]*btrack->fSigmaY[ilayer]);
+ sumchi2+=btrack->fDz[ilayer]*btrack->fDz[ilayer]/(btrack->fSigmaZ[ilayer]*btrack->fSigmaZ[ilayer]);
+ }
+ }
+ sumchi2/=sumn;
+ if (sumchi2<minchi2before1) minchi2before1=sumchi2;
+ }
+ continue; //safety space - Geo manager will give exact layer
+ }
+ track1b = btrack;
+ minchi2after1 = btrack->fNormChi2[i];
+ break;
+ }
+ //
+ // position resolution - used for DCA cut
+ Float_t sigmad = track0b->fC00+track0b->fC11+track1b->fC00+track1b->fC11+
+ (track0b->fX-pvertex->GetRr())*(track0b->fX-pvertex->GetRr())*(track0b->fC22+track0b->fC33)+
+ (track1b->fX-pvertex->GetRr())*(track1b->fX-pvertex->GetRr())*(track1b->fC22+track1b->fC33);
+ sigmad =TMath::Sqrt(sigmad)+0.04;
+ if (pvertex->GetRr()>50){
+ Double_t cov0[15],cov1[15];
+ track0b->fESDtrack->GetInnerExternalCovariance(cov0);
+ track1b->fESDtrack->GetInnerExternalCovariance(cov1);
+ sigmad = cov0[0]+cov0[2]+cov1[0]+cov1[2]+
+ (80.-pvertex->GetRr())*(80.-pvertex->GetRr())*(cov0[5]+cov0[9])+
+ (80.-pvertex->GetRr())*(80.-pvertex->GetRr())*(cov1[5]+cov1[9]);
+ sigmad =TMath::Sqrt(sigmad)+0.05;
+ }
+ //
+ AliESDV0MI vertex2;
+ vertex2.SetM(*track0b);
+ vertex2.SetP(*track1b);
+ vertex2.Update(primvertex);
+ if (vertex2.GetDist2()<=pvertex->GetDist2()&&(vertex2.GetPointAngle()>=pvertex->GetPointAngle())){
+ pvertex->SetM(*track0b);
+ pvertex->SetP(*track1b);
+ pvertex->Update(primvertex);
+ pvertex->SetClusters(track0b->fClIndex,track1b->fClIndex); // register clusters
+ pvertex->SetIndex(0,track0->fESDtrack->GetID());
+ pvertex->SetIndex(1,track1->fESDtrack->GetID());
+ }
+ pvertex->SetDistSigma(sigmad);
+ pvertex->SetDistNorm(pvertex->GetDist2()/sigmad);
+ pvertex->SetNormDCAPrim(normdist[itrack0],normdist[itrack1]);
+ //
+ // define likelihhod and causalities
+ //
+ Float_t pa0=1, pa1=1, pb0=0.26, pb1=0.26;
+ if (maxLayer<1){
+ Float_t fnorm0 = normdist[itrack0];
+ if (fnorm0<0) fnorm0*=-3;
+ Float_t fnorm1 = normdist[itrack1];
+ if (fnorm1<0) fnorm1*=-3;
+ if (pvertex->GetAnglep()[2]>0.1 || (pvertex->GetRr()<10.5)&& pvertex->GetAnglep()[2]>0.05 || pvertex->GetRr()<3){
+ pb0 = TMath::Exp(-TMath::Min(fnorm0,Float_t(16.))/12.);
+ pb1 = TMath::Exp(-TMath::Min(fnorm1,Float_t(16.))/12.);
+ }
+ pvertex->SetChi2Before(normdist[itrack0]);
+ pvertex->SetChi2After(normdist[itrack1]);
+ pvertex->SetNAfter(0);
+ pvertex->SetNBefore(0);
+ }else{
+ pvertex->SetChi2Before(minchi2before0);
+ pvertex->SetChi2After(minchi2before1);
+ if (pvertex->GetAnglep()[2]>0.1 || ( pvertex->GetRr()<10.5 && pvertex->GetAnglep()[2]>0.05) || pvertex->GetRr()<3){
+ pb0 = TMath::Exp(-TMath::Min(minchi2before0,Float_t(16))/12.);
+ pb1 = TMath::Exp(-TMath::Min(minchi2before1,Float_t(16))/12.);
+ }
+ pvertex->SetNAfter(maxLayer);
+ pvertex->SetNBefore(maxLayer);
+ }
+ if (pvertex->GetRr()<90){
+ pa0 *= TMath::Min(track0->fESDtrack->GetTPCdensity(0,60),Float_t(1.));
+ pa1 *= TMath::Min(track1->fESDtrack->GetTPCdensity(0,60),Float_t(1.));
+ }
+ if (pvertex->GetRr()<20){
+ pa0 *= (0.2+TMath::Exp(-TMath::Min(minchi2after0,Float_t(16))/8.))/1.2;
+ pa1 *= (0.2+TMath::Exp(-TMath::Min(minchi2after1,Float_t(16))/8.))/1.2;
+ }
+ //
+ pvertex->SetCausality(pb0,pb1,pa0,pa1);
+ //
+ // Likelihood calculations - apply cuts
+ //
+ Bool_t v0OK = kTRUE;
+ Float_t p12 = pvertex->GetParamP()->GetParameter()[4]*pvertex->GetParamP()->GetParameter()[4];
+ p12 += pvertex->GetParamM()->GetParameter()[4]*pvertex->GetParamM()->GetParameter()[4];
+ p12 = TMath::Sqrt(p12); // "mean" momenta
+ Float_t sigmap0 = 0.0001+0.001/(0.1+pvertex->GetRr());
+ Float_t sigmap = 0.5*sigmap0*(0.6+0.4*p12); // "resolution: of point angle - as a function of radius and momenta
+
+ Float_t causalityA = (1.0-pvertex->GetCausalityP()[0])*(1.0-pvertex->GetCausalityP()[1]);
+ Float_t causalityB = TMath::Sqrt(TMath::Min(pvertex->GetCausalityP()[2],Float_t(0.7))*
+ TMath::Min(pvertex->GetCausalityP()[3],Float_t(0.7)));
+ //
+ Float_t likelihood0 = (TMath::Exp(-pvertex->GetDistNorm())+0.1) *(pvertex->GetDist2()<0.5)*(pvertex->GetDistNorm()<5);
+
+ Float_t likelihood1 = TMath::Exp(-(1.0001-pvertex->GetPointAngle())/sigmap)+
+ 0.4*TMath::Exp(-(1.0001-pvertex->GetPointAngle())/(4.*sigmap))+
+ 0.4*TMath::Exp(-(1.0001-pvertex->GetPointAngle())/(8.*sigmap))+
+ 0.1*TMath::Exp(-(1.0001-pvertex->GetPointAngle())/0.01);
+ //
+ if (causalityA<kCausality0Cut) v0OK = kFALSE;
+ if (TMath::Sqrt(likelihood0*likelihood1)<kLikelihood01Cut) v0OK = kFALSE;
+ if (likelihood1<kLikelihood1Cut) v0OK = kFALSE;
+ if (TMath::Power(likelihood0*likelihood1*causalityB,0.33)<kCombinedCut) v0OK = kFALSE;
+
+ //
+ //
+ if (kFALSE){
+ Bool_t gold = TMath::Abs(TMath::Abs(track0->GetLabel())-TMath::Abs(track1->GetLabel()))==1;
+ cstream<<"It0"<<
+ "Tr0.="<<track0<< //best without constrain
+ "Tr1.="<<track1<< //best without constrain
+ "Tr0B.="<<track0b<< //best without constrain after vertex
+ "Tr1B.="<<track1b<< //best without constrain after vertex
+ "Tr0C.="<<htrackc0<< //best with constrain if exist
+ "Tr1C.="<<htrackc1<< //best with constrain if exist
+ "Tr0L.="<<track0l<< //longest best
+ "Tr1L.="<<track1l<< //longest best
+ "Esd0.="<<track0->fESDtrack<< // esd track0 params
+ "Esd1.="<<track1->fESDtrack<< // esd track1 params
+ "V0.="<<pvertex<< //vertex properties
+ "V0b.="<<&vertex2<< //vertex properties at "best" track
+ "ND0="<<normdist[itrack0]<< //normalize distance for track0
+ "ND1="<<normdist[itrack1]<< //normalize distance for track1
+ "Gold="<<gold<< //
+ // "RejectBase="<<rejectBase<< //rejection in First itteration
+ "OK="<<v0OK<<
+ "rmin="<<rmin<<
+ "sigmad="<<sigmad<<
+ "\n";
+ }
+ //if (rejectBase) continue;
+ //
+ pvertex->SetStatus(0);
+ // if (rejectBase) {
+ // pvertex->SetStatus(-100);
+ //}
+ if (pvertex->GetPointAngle()>kMinPointAngle2) {
+ pvertex->SetESDindexes(track0->fESDtrack->GetID(),track1->fESDtrack->GetID());
+ if (v0OK){
+ // AliV0vertex vertexjuri(*track0,*track1);
+ // vertexjuri.SetESDindexes(track0->fESDtrack->GetID(),track1->fESDtrack->GetID());
+ // event->AddV0(&vertexjuri);
+ pvertex->SetStatus(100);
+ }
+ event->AddV0MI(pvertex);
+ }