#pragma link C++ class AliAODv0+;
+#pragma link C++ class AliAnalysisEventCuts+;
+#pragma link C++ class AliAnalysisTrackCuts+;
+#pragma link C++ class AliBalance+;
+
#endif
--- /dev/null
+/**************************************************************************
+ * Author: Panos Christakoglou. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/* $Id$ */
+
+//-----------------------------------------------------------------
+// AliAnalysisEventCuts class
+// This is the class to deal with the event and track level cuts
+// Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
+//-----------------------------------------------------------------
+
+
+
+//ROOT
+#include <TROOT.h>
+#include <TObject.h>
+#include <TSystem.h>
+#include <TObject.h>
+
+#include <TPaveText.h>
+#include <TText.h>
+#include <TLine.h>
+#include <TCanvas.h>
+
+#include <TControlBar.h>
+#include <TRootControlBar.h>
+
+
+
+#include "AliLog.h"
+#include "AliESD.h"
+
+#include "AliAnalysisEventCuts.h"
+
+ClassImp(AliAnalysisEventCuts)
+
+//----------------------------------------//
+AliAnalysisEventCuts::AliAnalysisEventCuts()
+{
+ Reset();
+}
+
+//----------------------------------------//
+AliAnalysisEventCuts::~AliAnalysisEventCuts()
+{
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::Reset()
+{
+ fVxMin = -1000.0;
+ fVxMax = 1000.0;
+ fVyMin = -1000.0;
+ fVyMax = 1000.0;
+ fVzMin = -1000.0;
+ fVzMax = 1000.0;
+ fMultMin = 0;
+ fMultMax = 100000;
+
+ fMult = 0;
+ fVx = 0;
+ fVy = 0;
+ fVz = 0;
+ fTotalEvents = 0;
+ fAcceptedEvents = 0;
+
+ fFlagMult = 0;
+ fFlagVx = 0;
+ fFlagVy = 0;
+ fFlagVz = 0;
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::SetPrimaryVertexXRange(Float_t r1, Float_t r2)
+{
+ fVxMin = r1;
+ fVxMax = r2;
+ fFlagVx = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::SetPrimaryVertexYRange(Float_t r1, Float_t r2)
+{
+ fVyMin = r1;
+ fVyMax = r2;
+ fFlagVy = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::SetPrimaryVertexZRange(Float_t r1, Float_t r2)
+{
+ fVzMin = r1;
+ fVzMax = r2;
+ fFlagVz = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::SetMultiplicityRange(Int_t n1, Int_t n2)
+{
+ fMultMin = n1;
+ fMultMax = n2;
+ fFlagMult = 1;
+}
+
+
+//----------------------------------------//
+Bool_t AliAnalysisEventCuts::IsAccepted(AliESD *esd)
+{
+ fTotalEvents++;
+ if((esd->GetNumberOfTracks() < fMultMin) || (esd->GetNumberOfTracks() > fMultMax))
+ {
+ fMult++;
+ AliInfo(Form("Event rejected due to multiplicity cut"));
+ return kFALSE;
+ }
+ const AliESDVertex *esdvertex = esd->GetVertex();
+ if((esdvertex->GetXv() < fVxMin) || (esdvertex->GetXv() > fVxMax))
+ {
+ fVx++;
+ AliInfo(Form("Event rejected due to Vx cut"));
+ return kFALSE;
+ }
+ if((esdvertex->GetYv() < fVyMin) || (esdvertex->GetYv() > fVyMax))
+ {
+ fVy++;
+ AliInfo(Form("Event rejected due to Vy cut"));
+ return kFALSE;
+ }
+ if((esdvertex->GetZv() < fVzMin) || (esdvertex->GetZv() > fVzMax))
+ {
+ fVz++;
+ AliInfo(Form("Event rejected due to Vz cut"));
+ return kFALSE;
+ }
+ fAcceptedEvents++;
+
+ return kTRUE;
+}
+
+
+//----------------------------------------//
+TPaveText *AliAnalysisEventCuts::GetEventCuts()
+{
+ TCanvas *ccuts = new TCanvas("ccuts","Event cuts",10,10,400,400);
+ ccuts->SetFillColor(10);
+ ccuts->SetHighLightColor(10);
+
+ TPaveText *pave = new TPaveText(0.01,0.01,0.98,0.98);
+ pave->SetFillColor(5);
+ Char_t CutName[256];
+
+ TLine *l1 = pave->AddLine(0,0.78,1,0.78);
+ l1->SetLineWidth(2);
+ TLine *l2 = pave->AddLine(0,0.58,1,0.58);
+ l2->SetLineWidth(2);
+ TLine *l3 = pave->AddLine(0,0.38,1,0.38);
+ l3->SetLineWidth(2);
+ TLine *l4 = pave->AddLine(0,0.18,1,0.18);
+ l4->SetLineWidth(2);
+
+ sprintf(CutName,"Total number of events: %d",fTotalEvents);
+ TText *t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Total number of accepted events: %d",fAcceptedEvents);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Multiplicity range: [%d,%d]",fMultMin,fMultMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Events rejected: %d",fMult);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Vx range: [%f,%f]",fVxMin,fVxMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Events rejected: %d",fVx);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Vy range: [%f,%f]",fVyMin,fVyMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Events rejected: %d",fVy);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Vz range: [%f,%f]",fVzMin,fVzMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Events rejected: %d",fVz);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(4);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ return pave;
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::GetEventStats()
+{
+ AliInfo(Form("Total number of events: %d",fTotalEvents));
+ AliInfo(Form("Total number of accepted events: %d",fAcceptedEvents));
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::GetMultStats()
+{
+ AliInfo(Form("Multiplicity range: [%d,%d]",fMultMin,fMultMax));
+ AliInfo(Form("Events rejected: %d",fMult));
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::GetVxStats()
+{
+ AliInfo(Form("Vx range: [%f,%f]",fVxMin,fVxMax));
+ AliInfo(Form("Events rejected: %d",fVx));
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::GetVyStats()
+{
+ AliInfo(Form("Vy range: [%f,%f]",fVyMin,fVyMax));
+ AliInfo(Form("Events rejected: %d",fVy));
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::GetVzStats()
+{
+ AliInfo(Form("Vz range: [%f,%f]",fVzMin,fVzMax));
+ AliInfo(Form("Events rejected: %d",fVz));
+}
+
+//----------------------------------------//
+void AliAnalysisEventCuts::PrintEventCuts()
+{
+ /*gROOT->Reset();
+ TControlBar *menu1 = new TControlBar("vertical","Event Cuts",10,10);
+ menu1->AddButton("Event statistics","GetEventStats()","Displays the event statistics");
+ menu1->AddButton("Multipicity cut","gAlice->Run()","Events rejected due to multiplicity cut");
+ menu1->AddButton("Vx cut","gAlice->RunLego()","Events rejected due to Vx cut");
+ menu1->AddButton("Vy cut","DrawTopView()","Events rejected due to Vy cut");
+ menu1->AddButton("Vz cut","DrawSideView()","Events rejected due to Vz cut");
+ menu1->Show();
+
+ gROOT->SaveContext(); */
+
+ //GetEventCuts()->Draw();
+
+ AliInfo(Form("**************EVENT CUTS**************"));
+ GetEventStats();
+ if(fFlagMult)
+ GetMultStats();
+ if(fFlagVx)
+ GetVxStats();
+ if(fFlagVy)
+ GetVyStats();
+ if(fFlagVz)
+ GetVzStats();
+ AliInfo(Form("**************************************"));
+}
+
+
+
--- /dev/null
+#ifndef ALIANALYSISEVENTCUTS_H
+#define ALIANALYSISEVENTCUTS_H
+/* See cxx source for full Copyright notice */
+
+
+/* $Id$ */
+
+//-------------------------------------------------------------------------
+// Class AliAnalysisEventCuts
+// This is the class for the cuts in event & track level
+//
+// Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
+//-------------------------------------------------------------------------
+
+#include <TPaveText.h>
+#include <TROOT.h>
+#include <TObject.h>
+
+#include "AliESD.h"
+
+class AliAnalysisEventCuts : public TObject
+{
+ private:
+ Float_t fVxMin, fVxMax; //Definition of the range of the Vx
+ Float_t fVyMin, fVyMax; //Definition of the range of the Vy
+ Float_t fVzMin, fVzMax; //Definition of the range of the Vz
+ Int_t fMultMin, fMultMax; //Definition of the range of the multiplicity
+
+ Int_t fMult; //Number of events rejected due to multiplicity cut
+ Int_t fVx; //Number of events rejected due to Vx cut
+ Int_t fVy; //Number of events rejected due to Vy cut
+ Int_t fVz; //Number of events rejected due to Vz cut
+ Int_t fTotalEvents; //Total number of events
+ Int_t fAcceptedEvents; //Total number of events accepted
+
+ Int_t fFlagMult; //Flag that shows if the multiplicity cut was imposed
+ Int_t fFlagVx; //Flag that shows if the Vx cut was imposed
+ Int_t fFlagVy; //Flag that shows if the Vy cut was imposed
+ Int_t fFlagVz; //Flag that shows ifthe Vz cut was imposed
+
+
+ public:
+ AliAnalysisEventCuts();
+
+ ~AliAnalysisEventCuts();
+
+ void Reset();
+
+ void SetPrimaryVertexXRange(Float_t r1, Float_t r2);
+ void SetPrimaryVertexYRange(Float_t r1, Float_t r2);
+ void SetPrimaryVertexZRange(Float_t r1, Float_t r2);
+ void SetMultiplicityRange(Int_t n1, Int_t n2);
+
+ Bool_t IsAccepted(AliESD *esd);
+
+ TPaveText *GetEventCuts();
+ void PrintEventCuts();
+ void GetEventStats();
+ void GetMultStats();
+ void GetVxStats();
+ void GetVyStats();
+ void GetVzStats();
+
+
+ ClassDef(AliAnalysisEventCuts, 1)
+} ;
+
+#endif
--- /dev/null
+/**************************************************************************
+ * Author: Panos Christakoglou. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/* $Id$ */
+
+//-----------------------------------------------------------------
+// AliAnalysisTrackCuts class
+// This is the class to deal with the event and track level cuts
+// Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
+//-----------------------------------------------------------------
+
+
+
+//ROOT
+#include <TROOT.h>
+#include <TObject.h>
+#include <TSystem.h>
+#include <TObject.h>
+#include <TPaveText.h>
+#include <TText.h>
+#include <TLine.h>
+#include <TCanvas.h>
+
+#include "AliLog.h"
+#include "AliESDtrack.h"
+#include "AliESD.h"
+
+#include "AliAnalysisTrackCuts.h"
+
+ClassImp(AliAnalysisTrackCuts)
+
+//----------------------------------------//
+AliAnalysisTrackCuts::AliAnalysisTrackCuts()
+{
+ Reset();
+}
+
+//----------------------------------------//
+AliAnalysisTrackCuts::~AliAnalysisTrackCuts()
+{
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::Reset()
+{
+ fPxMin = -1000.0;
+ fPxMax = 1000.0;
+ fPyMin = -1000.0;
+ fPyMax = 1000.0;
+ fPzMin = -1000.0;
+ fPzMax = 1000.0;
+ fPtMin = 0.0;
+ fPtMax = 1000.0;
+ fPMin = 0.0;
+ fPMax = 1000.0;
+ fBrMin = 0.0;
+ fBrMax = 1000.0;
+ fBzMin = 0.0;
+ fBzMax = 1000.0;
+ fEtaMin = -100.0;
+ fEtaMax = 100.0;
+ fRapMin = -100.0;
+ fRapMax = 100.0;
+
+ fP = 0;
+ fPt = 0;
+ fPx = 0;
+ fPy = 0;
+ fPz = 0;
+ fbr = 0;
+ fbz = 0;
+ fEta = 0;
+ fRap = 0;
+ fTotalTracks = 0;
+ fAcceptedTracks = 0;
+
+ fFlagP = 0;
+ fFlagPt = 0;
+ fFlagPx = 0;
+ fFlagPy = 0;
+ fFlagPz = 0;
+ fFlagEta = 0;
+ fFlagRap = 0;
+ fFlagbr = 0;
+ fFlagbz = 0;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::SetPxRange(Float_t r1, Float_t r2)
+{
+ fPxMin = r1;
+ fPxMax = r2;
+ fFlagPx = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::SetPyRange(Float_t r1, Float_t r2)
+{
+ fPyMin = r1;
+ fPyMax = r2;
+ fFlagPy = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::SetPzRange(Float_t r1, Float_t r2)
+{
+ fPzMin = r1;
+ fPzMax = r2;
+ fFlagPy = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::SetPRange(Float_t r1, Float_t r2)
+{
+ fPMin = r1;
+ fPMax = r2;
+ fFlagPz = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::SetPtRange(Float_t r1, Float_t r2)
+{
+ fPtMin = r1;
+ fPtMax = r2;
+ fFlagPt = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::SetBrRange(Float_t r1, Float_t r2)
+{
+ fBrMin = r1;
+ fBrMax = r2;
+ fFlagbr = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::SetBzRange(Float_t r1, Float_t r2)
+{
+ fBzMin = r1;
+ fBzMax = r2;
+ fFlagbz = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::SetEtaRange(Float_t r1, Float_t r2)
+{
+ fEtaMin = r1;
+ fEtaMax = r2;
+ fFlagEta = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::SetRapRange(Float_t r1, Float_t r2)
+{
+ fRapMin = r1;
+ fRapMax = r2;
+ fFlagRap = 1;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetTrackStats()
+{
+ AliInfo(Form("Total number of tracks: %d",fTotalTracks));
+ AliInfo(Form("Total number of accepted tracks: %d",fAcceptedTracks));
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetPStats()
+{
+ AliInfo(Form("P range: [%f,%f]",fPMin,fPMax));
+ if(fTotalTracks != 0)
+ AliInfo(Form("Tracks rejected: %f",100.0*fP/fTotalTracks));
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetPtStats()
+{
+ AliInfo(Form("Pt range: [%f,%f]",fPtMin,fPtMax));
+ if(fTotalTracks != 0)
+ AliInfo(Form("Tracks rejected: %f",100.0*fPt/fTotalTracks));
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetPxStats()
+{
+ AliInfo(Form("Px range: [%f,%f]",fPxMin,fPxMax));
+ if(fTotalTracks != 0)
+ AliInfo(Form("Tracks rejected: %f",100.0*fPx/fTotalTracks));
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetPyStats()
+{
+ AliInfo(Form("Py range: [%f,%f]",fPyMin,fPyMax));
+ if(fTotalTracks != 0)
+ AliInfo(Form("Tracks rejected: %f",100.0*fPy/fTotalTracks));
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetPzStats()
+{
+ AliInfo(Form("Pz range: [%f,%f]",fPzMin,fPzMax));
+ if(fTotalTracks != 0)
+ AliInfo(Form("Tracks rejected: %f",100.0*fPz/fTotalTracks));
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetEtaStats()
+{
+ AliInfo(Form("eta range: [%f,%f]",fEtaMin,fEtaMax));
+ if(fTotalTracks != 0)
+ AliInfo(Form("Tracks rejected: %f",100.0*fEta/fTotalTracks));
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetRapStats()
+{
+ AliInfo(Form("y range: [%f,%f]",fRapMin,fRapMax));
+ if(fTotalTracks != 0)
+ AliInfo(Form("Tracks rejected: %f",100.0*fRap/fTotalTracks));
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetBrStats()
+{
+ AliInfo(Form("br range: [%f,%f]",fBrMin,fBrMax));
+ if(fTotalTracks != 0)
+ AliInfo(Form("Tracks rejected: %f",100.0*fbr/fTotalTracks));
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::GetBzStats()
+{
+ AliInfo(Form("bz range: [%f,%f]",fBzMin,fBzMax));
+ if(fTotalTracks != 0)
+ AliInfo(Form("Tracks rejected: %f",100.0*fbz/fTotalTracks));
+}
+
+
+//----------------------------------------//
+Bool_t AliAnalysisTrackCuts::IsAccepted(AliESD *esd ,AliESDtrack *esdtrack)
+{
+ fTotalTracks++;
+
+ //momentum related calculations
+ Double_t p[3];
+ esdtrack->GetPxPyPz(p);
+ Float_t P = sqrt(pow(p[0],2) + pow(p[1],2) + pow(p[2],2));
+ Float_t Pt = sqrt(pow(p[0],2) + pow(p[1],2));
+ Float_t E = sqrt(pow(esdtrack->GetMass(),2) + pow(P,2));
+
+ //y-eta related calculations
+ Float_t eta = 0.5*log((P - p[2])/(P + p[2]));
+ Float_t y = 0.5*log((E - p[2])/(E + p[2]));
+
+ //impact parameter related calculations
+ Double_t TrackPosition[3];
+ esdtrack->GetXYZ(TrackPosition);
+ const AliESDVertex * VertexIn = esd->GetVertex();
+ Double_t VertexPosition[3];
+ VertexIn->GetXYZ(VertexPosition);
+ for (Int_t ii=0; ii<3; ii++) TrackPosition[ii] -= VertexPosition[ii];
+
+ Float_t br = Float_t(TMath::Sqrt(pow(TrackPosition[0],2) + pow(TrackPosition[1],2)));
+ Float_t bz = Float_t(TMath::Abs(TrackPosition[2]));
+
+ if((P < fPMin) || (P > fPMax))
+ {
+ fP++;
+ return kFALSE;
+ }
+ if((Pt < fPtMin) || (Pt > fPtMax))
+ {
+ fPt++;
+ return kFALSE;
+ }
+ if((p[0] < fPxMin) || (p[0] > fPxMax))
+ {
+ fPx++;
+ return kFALSE;
+ }
+ if((p[1] < fPyMin) || (p[1] > fPyMax))
+ {
+ fPy++;
+ return kFALSE;
+ }
+ if((p[2] < fPzMin) || (p[2] > fPzMax))
+ {
+ fPz++;
+ return kFALSE;
+ }
+ if((br < fBrMin) || (br > fBrMax))
+ {
+ fbr++;
+ return kFALSE;
+ }
+ if((bz < fBzMin) || (bz > fBzMax))
+ {
+ fbz++;
+ return kFALSE;
+ }
+ if((eta < fEtaMin) || (eta > fEtaMax))
+ {
+ fEta++;
+ return kFALSE;
+ }
+ if((y < fRapMin) || (y > fRapMax))
+ {
+ fRap++;
+ return kFALSE;
+ }
+
+ fAcceptedTracks++;
+
+ return kTRUE;
+}
+
+
+//----------------------------------------//
+TPaveText *AliAnalysisTrackCuts::GetTrackCuts()
+{
+ TCanvas *ccuts2 = new TCanvas("ccuts2","Track cuts",410,10,400,400);
+ ccuts2->SetFillColor(10);
+ ccuts2->SetHighLightColor(10);
+
+ TPaveText *pave = new TPaveText(0.01,0.01,0.98,0.98);
+ pave->SetFillColor(3);
+ Char_t CutName[256];
+
+ TLine *l1 = pave->AddLine(0,0.89,1,0.89);
+ l1->SetLineWidth(2);
+ TLine *l2 = pave->AddLine(0,0.79,1,0.79);
+ l2->SetLineWidth(2);
+ TLine *l3 = pave->AddLine(0,0.69,1,0.69);
+ l3->SetLineWidth(2);
+ TLine *l4 = pave->AddLine(0,0.59,1,0.59);
+ l4->SetLineWidth(2);
+ TLine *l5 = pave->AddLine(0,0.49,1,0.49);
+ l5->SetLineWidth(2);
+ TLine *l6 = pave->AddLine(0,0.39,1,0.39);
+ l6->SetLineWidth(2);
+ TLine *l7 = pave->AddLine(0,0.29,1,0.29);
+ l7->SetLineWidth(2);
+ TLine *l8 = pave->AddLine(0,0.19,1,0.19);
+ l8->SetLineWidth(2);
+ TLine *l9 = pave->AddLine(0,0.09,1,0.09);
+ l9->SetLineWidth(2);
+
+ sprintf(CutName,"Total number of tracks: %d",fTotalTracks);
+ TText *t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Total number of accepted tracks: %d",fAcceptedTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"P range: [%f,%f]",fPMin,fPMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Tracks rejected: %f",100.0*fP/fTotalTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Pt range: [%f,%f]",fPtMin,fPtMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Tracks rejected: %f",100.0*fPt/fTotalTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Px range: [%f,%f]",fPxMin,fPxMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Tracks rejected: %f",100.0*fPx/fTotalTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Py range: [%f,%f]",fPyMin,fPyMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Tracks rejected: %f",100.0*fPy/fTotalTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"Pz range: [%f,%f]",fPzMin,fPzMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Tracks rejected: %f",100.0*fPz/fTotalTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"br range: [%f,%f]",fBrMin,fBrMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Tracks rejected: %f",100.0*fbr/fTotalTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"bz range: [%f,%f]",fBzMin,fBzMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Tracks rejected: %f",100.0*fbz/fTotalTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"eta range: [%f,%f]",fEtaMin,fEtaMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Tracks rejected: %f",100.0*fEta/fTotalTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ sprintf(CutName,"y range: [%f,%f]",fRapMin,fRapMax);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+ sprintf(CutName,"Tracks rejected: %f",100.0*fRap/fTotalTracks);
+ t1 = pave->AddText(CutName);
+ t1->SetTextColor(1);
+ t1->SetTextSize(0.04);
+ t1->SetTextAlign(11);
+
+ return pave;
+}
+
+//----------------------------------------//
+void AliAnalysisTrackCuts::PrintTrackCuts()
+{
+ //GetTrackCuts()->Draw();
+
+ AliInfo(Form("**************TRACK CUTS**************"));
+ GetTrackStats();
+ if(fFlagP)
+ GetPStats();
+ if(fFlagPt)
+ GetPtStats();
+ if(fFlagPx)
+ GetPxStats();
+ if(fFlagPy)
+ GetPyStats();
+ if(fFlagPz)
+ GetPzStats();
+ if(fFlagEta)
+ GetEtaStats();
+ if(fFlagRap)
+ GetRapStats();
+ if(fFlagbr)
+ GetBrStats();
+ if(fFlagbz)
+ GetBzStats();
+ AliInfo(Form("**************************************"));
+}
--- /dev/null
+#ifndef ALIANALYSISTRACKCUTS_H
+#define ALIANALYSISTRACKCUTS_H
+/* See cxx source for full Copyright notice */
+
+
+/* $Id$ */
+
+//-------------------------------------------------------------------------
+// Class AliAnalysisTrackCuts
+// This is the class for the cuts in event & track level
+//
+// Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
+//-------------------------------------------------------------------------
+
+#include <TPaveText.h>
+#include <TROOT.h>
+#include <TObject.h>
+
+#include "AliESD.h"
+#include "AliESDtrack.h"
+
+class AliAnalysisTrackCuts : public TObject
+{
+ private:
+ Float_t fPMin, fPMax; //Definition of the range of the P
+ Float_t fPtMin, fPtMax; //Definition of the range of the Pt
+ Float_t fPxMin, fPxMax; //Definition of the range of the Px
+ Float_t fPyMin, fPyMax; //Definition of the range of the Py
+ Float_t fPzMin, fPzMax; //Definition of the range of the Pz
+ Float_t fEtaMin, fEtaMax; //Definition of the range of the eta
+ Float_t fRapMin, fRapMax; //Definition of the range of the y
+ Float_t fBrMin, fBrMax; //Definition of the range of the br
+ Float_t fBzMin, fBzMax; //Definition of the range of the bz
+
+ Int_t fP; //Number of events rejected due to P cut
+ Int_t fPt; //Number of events rejected due to Pt cut
+ Int_t fPx; //Number of events rejected due to Px cut
+ Int_t fPy; //Number of events rejected due to Py cut
+ Int_t fPz; //Number of events rejected due to Pz cut
+ Int_t fEta; //Number of events rejected due to eta cut
+ Int_t fRap; //Number of events rejected due to y cut
+ Int_t fbr; //Number of events rejected due to br cut
+ Int_t fbz; //Number of events rejected due to bz cut
+ Int_t fTotalTracks; //Total number of tracks
+ Int_t fAcceptedTracks; //Total number of accepted tracks
+
+ Int_t fFlagP; //Flag that shows if the P cut was imposed
+ Int_t fFlagPt; //Flag that shows if the Pt cut was imposed
+ Int_t fFlagPx; //Flag that shows if the Px cut was imposed
+ Int_t fFlagPy; //Flag that shows if the Py cut was imposed
+ Int_t fFlagPz; //Flag that shows if the Pz cut was imposed
+ Int_t fFlagEta; //Flag that shows if the eta cut was imposed
+ Int_t fFlagRap; //Flag that shows if the y cut was imposed
+ Int_t fFlagbr; //Flag that shows if the br cut was imposed
+ Int_t fFlagbz; //Flag that shows if the bz cut was imposed
+
+ public:
+ AliAnalysisTrackCuts();
+
+ ~AliAnalysisTrackCuts();
+
+ void Reset();
+
+ void SetPRange(Float_t r1, Float_t r2);
+ void SetPtRange(Float_t r1, Float_t r2);
+ void SetPxRange(Float_t r1, Float_t r2);
+ void SetPyRange(Float_t r1, Float_t r2);
+ void SetPzRange(Float_t r1, Float_t r2);
+ void SetBrRange(Float_t r1, Float_t r2);
+ void SetBzRange(Float_t r1, Float_t r2);
+ void SetEtaRange(Float_t r1, Float_t r2);
+ void SetRapRange(Float_t r1, Float_t r2);
+
+ Bool_t IsAccepted(AliESD *esd,AliESDtrack *esdtrack);
+
+ TPaveText *GetTrackCuts();
+ void PrintTrackCuts();
+ void GetTrackStats();
+ void GetPStats();
+ void GetPxStats();
+ void GetPyStats();
+ void GetPzStats();
+ void GetPtStats();
+ void GetEtaStats();
+ void GetRapStats();
+ void GetBrStats();
+ void GetBzStats();
+
+ ClassDef(AliAnalysisTrackCuts, 1)
+} ;
+
+#endif
--- /dev/null
+/**************************************************************************
+ * Author: Panos Christakoglou. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/* $Id$ */
+
+//-----------------------------------------------------------------
+// Balance Function class
+// This is the class to deal with the Balance Function analysis
+// Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
+//-----------------------------------------------------------------
+
+
+#include <stdlib.h>
+
+//ROOT
+#include <Riostream.h>
+#include <TROOT.h>
+#include <TObject.h>
+#include <TSystem.h>
+#include <TObject.h>
+#include <TMath.h>
+#include <TLorentzVector.h>
+
+#include "AliBalance.h"
+
+ClassImp(AliBalance)
+
+//----------------------------------------//
+AliBalance::AliBalance()
+{
+ for(Int_t i = 0; i < MAXIMUM_NUMBER_OF_STEPS; i++)
+ {
+ fNpp[i] = .0;
+ fNnn[i] = .0;
+ fNpn[i] = .0;
+ fB[i] = 0.0;
+ ferror[i] = 0.0;
+ }
+ fAnalyzedEvents = 0;
+}
+
+//----------------------------------------//
+AliBalance::AliBalance(Double_t P2_Start, Double_t P2_Stop, Int_t P2_bins)
+{
+ this->fP2_Start = P2_Start;
+ this->fP2_Stop = P2_Stop;
+ this->fNumberOfBins = P2_bins;
+ this->fP2_Step = fabs(fP2_Start - fP2_Stop) / (Double_t)fNumberOfBins;
+}
+
+//----------------------------------------//
+AliBalance::~AliBalance()
+{
+}
+
+//----------------------------------------//
+void AliBalance::SetNumberOfBins(Int_t ibins)
+{
+ this->fNumberOfBins = ibins ;
+}
+
+//----------------------------------------//
+void AliBalance::SetInterval(Double_t P2_Start, Double_t P2_Stop)
+{
+ this->fP2_Start = P2_Start;
+ this->fP2_Stop = P2_Stop;
+ this->fP2_Step = fabs(P2_Start - P2_Stop) / (Double_t)fNumberOfBins;
+}
+
+//----------------------------------------//
+void AliBalance::SetAnalysisType(Int_t iType)
+{
+ //0:y - 1:eta - 2:Qlong - 3:Qout - 4:Qside - 5:Qinv - 6:phi
+ this->fAnalysisType = iType;
+ if(fAnalysisType==0)
+ {
+ cout<<" ====================== "<<endl;
+ cout<<"||Analysis selected: y||"<<endl;
+ cout<<" ====================== "<<endl;
+ }
+ else if(fAnalysisType==1)
+ {
+ cout<<" ======================== "<<endl;
+ cout<<"||Analysis selected: eta||"<<endl;
+ cout<<" ======================== "<<endl;
+ }
+ else if(fAnalysisType==2)
+ {
+ cout<<" ========================== "<<endl;
+ cout<<"||Analysis selected: Qlong||"<<endl;
+ cout<<" ========================== "<<endl;
+ }
+ else if(fAnalysisType==3)
+ {
+ cout<<" ========================= "<<endl;
+ cout<<"||Analysis selected: Qout||"<<endl;
+ cout<<" ========================= "<<endl;
+ }
+ else if(fAnalysisType==4)
+ {
+ cout<<" ========================== "<<endl;
+ cout<<"||Analysis selected: Qside||"<<endl;
+ cout<<" ========================== "<<endl;
+ }
+ else if(fAnalysisType==5)
+ {
+ cout<<" ========================= "<<endl;
+ cout<<"||Analysis selected: Qinv||"<<endl;
+ cout<<" ========================= "<<endl;
+ }
+ else if(fAnalysisType==6)
+ {
+ cout<<" ======================== "<<endl;
+ cout<<"||Analysis selected: phi||"<<endl;
+ cout<<" ======================== "<<endl;
+ }
+ else
+ {
+ cout<<"Selection of analysis mode failed!!!"<<endl;
+ cout<<"Choices are: 0:y - 1:eta - 2:Qlong - 3:Qout - 4:Qside - 5:Qinv - 6:phi"<<endl;
+ abort();
+ }
+}
+
+//----------------------------------------//
+void AliBalance::SetParticles(TLorentzVector *P, Double_t *charge, Int_t dim)
+{
+ this->fV = P;
+ this->fCharge = charge;
+ fNtrack = dim;
+}
+
+
+//----------------------------------------//
+void AliBalance::CalculateBalance()
+{
+ fAnalyzedEvents++;
+ Int_t i = 0 , j = 0;
+ Int_t ibin = 0;
+
+ for(i = 0; i < fNtrack; i++)
+ {
+ if(fCharge[i] > 0)
+ fNp += 1.;
+ if(fCharge[i] < 0)
+ fNn += 1.;
+ }
+
+ //0:y - 1:eta - 2:Qlong - 3:Qout - 4:Qside - 5:Qinv - 6:phi
+ if(fAnalysisType==0)
+ {
+ for(i = 1; i < fNtrack; i++)
+ {
+ for(j = 0; j < i; j++)
+ {
+ Double_t rap1 = 0.5*log((fV[i].E() - fV[i].Pz())/(fV[i].E() + fV[i].Pz()));
+ Double_t rap2 = 0.5*log((fV[j].E() - fV[j].Pz())/(fV[j].E() + fV[j].Pz()));
+ Double_t dy = TMath::Abs(rap1 - rap2);
+ ibin = Int_t(dy/fP2_Step);
+ if((fCharge[i] > 0)&&(fCharge[j] > 0))
+ fNpp[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] < 0))
+ fNnn[ibin] += 1.;
+ if((fCharge[i] > 0)&&(fCharge[j] < 0))
+ fNpn[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] > 0))
+ fNpn[ibin] += 1.;
+ }
+ }
+ }//case 0
+ if(fAnalysisType==1)
+ {
+ for(i = 1; i < fNtrack; i++)
+ {
+ for(j = 0; j < i; j++)
+ {
+ Double_t P1 = sqrt(pow(fV[i].Px(),2) + pow(fV[i].Py(),2) + pow(fV[i].Pz(),2));
+ Double_t P2 = sqrt(pow(fV[j].Px(),2) + pow(fV[j].Py(),2) + pow(fV[j].Pz(),2));
+ Double_t eta1 = 0.5*log((P1 - fV[i].Pz())/(P1 + fV[i].Pz()));
+ Double_t eta2 = 0.5*log((P2 - fV[j].Pz())/(P2 + fV[j].Pz()));
+ Double_t deta = TMath::Abs(eta1 - eta2);
+ ibin = Int_t(deta/fP2_Step);
+ if((fCharge[i] > 0)&&(fCharge[j] > 0))
+ fNpp[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] < 0))
+ fNnn[ibin] += 1.;
+ if((fCharge[i] > 0)&&(fCharge[j] < 0))
+ fNpn[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] > 0))
+ fNpn[ibin] += 1.;
+ }
+ }
+ }//case 1
+ if(fAnalysisType==2)
+ {
+ for(i = 1; i < fNtrack; i++)
+ {
+ for(j = 0; j < i; j++)
+ {
+ Double_t ETot = fV[i].E() + fV[j].E();
+ Double_t PxTot = fV[i].Px() + fV[j].Px();
+ Double_t PyTot = fV[i].Py() + fV[j].Py();
+ Double_t PzTot = fV[i].Pz() + fV[j].Pz();
+ Double_t Q0Tot = fV[i].E() - fV[j].E();
+ Double_t QzTot = fV[i].Pz() - fV[j].Pz();
+ Double_t Snn = pow(ETot,2) - pow(PxTot,2) - pow(PyTot,2) - pow(PzTot,2);
+ Double_t PtTot = sqrt( pow(PxTot,2) + pow(PyTot,2));
+ Double_t Qlong = TMath::Abs(ETot*QzTot - PzTot*Q0Tot)/sqrt(Snn + pow(PtTot,2));
+ ibin = Int_t(Qlong/fP2_Step);
+ //cout<<ibin<<endl;
+ if((fCharge[i] > 0)&&(fCharge[j] > 0))
+ fNpp[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] < 0))
+ fNnn[ibin] += 1.;
+ if((fCharge[i] > 0)&&(fCharge[j] < 0))
+ fNpn[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] > 0))
+ fNpn[ibin] += 1.;
+ }
+ }
+ }//case 2
+ if(fAnalysisType==3)
+ {
+ for(i = 1; i < fNtrack; i++)
+ {
+ for(j = 0; j < i; j++)
+ {
+ Double_t ETot = fV[i].E() + fV[j].E();
+ Double_t PxTot = fV[i].Px() + fV[j].Px();
+ Double_t PyTot = fV[i].Py() + fV[j].Py();
+ Double_t PzTot = fV[i].Pz() + fV[j].Pz();
+ Double_t QxTot = fV[i].Px() - fV[j].Px();
+ Double_t QyTot = fV[i].Py() - fV[j].Py();
+ Double_t Snn = pow(ETot,2) - pow(PxTot,2) - pow(PyTot,2) - pow(PzTot,2);
+ Double_t PtTot = sqrt( pow(PxTot,2) + pow(PyTot,2));
+ Double_t Qout = sqrt(Snn/(Snn + pow(PtTot,2))) * TMath::Abs(PxTot*QxTot + PyTot*QyTot)/PtTot;
+ ibin = Int_t(Qout/fP2_Step);
+ //cout<<ibin<<endl;
+ if((fCharge[i] > 0)&&(fCharge[j] > 0))
+ fNpp[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] < 0))
+ fNnn[ibin] += 1.;
+ if((fCharge[i] > 0)&&(fCharge[j] < 0))
+ fNpn[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] > 0))
+ fNpn[ibin] += 1.;
+ }
+ }
+ }//case 3
+ if(fAnalysisType==4)
+ {
+ for(i = 1; i < fNtrack; i++)
+ {
+ for(j = 0; j < i; j++)
+ {
+ Double_t PxTot = fV[i].Px() + fV[j].Px();
+ Double_t PyTot = fV[i].Py() + fV[j].Py();
+ Double_t QxTot = fV[i].Px() - fV[j].Px();
+ Double_t QyTot = fV[i].Py() - fV[j].Py();
+ Double_t PtTot = sqrt( pow(PxTot,2) + pow(PyTot,2));
+ Double_t Qside = TMath::Abs(PxTot*QyTot - PyTot*QxTot)/PtTot;
+ ibin = Int_t(Qside/fP2_Step);
+ //cout<<ibin<<endl;
+ if((fCharge[i] > 0)&&(fCharge[j] > 0))
+ fNpp[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] < 0))
+ fNnn[ibin] += 1.;
+ if((fCharge[i] > 0)&&(fCharge[j] < 0))
+ fNpn[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] > 0))
+ fNpn[ibin] += 1.;
+ }
+ }
+ }//case 4
+ if(fAnalysisType==5)
+ {
+ for(i = 1; i < fNtrack; i++)
+ {
+ for(j = 0; j < i; j++)
+ {
+ Double_t Q0Tot = fV[i].E() - fV[j].E();
+ Double_t QxTot = fV[i].Px() - fV[j].Px();
+ Double_t QyTot = fV[i].Py() - fV[j].Py();
+ Double_t QzTot = fV[i].Pz() - fV[j].Pz();
+ Double_t Qinv = sqrt(TMath::Abs(-pow(Q0Tot,2) +pow(QxTot,2) +pow(QyTot,2) +pow(QzTot,2)));
+ ibin = Int_t(Qinv/fP2_Step);
+ //cout<<ibin<<endl;
+ if((fCharge[i] > 0)&&(fCharge[j] > 0))
+ fNpp[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] < 0))
+ fNnn[ibin] += 1.;
+ if((fCharge[i] > 0)&&(fCharge[j] < 0))
+ fNpn[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] > 0))
+ fNpn[ibin] += 1.;
+ }
+ }
+ }//case 5
+ if(fAnalysisType==6)
+ {
+ for(i = 1; i < fNtrack; i++)
+ {
+ for(j = 0; j < i; j++)
+ {
+ Double_t phi1 = TMath::ATan(fV[i].Py()/fV[i].Px())*180.0/TMath::Pi();
+ Double_t phi2 = TMath::ATan(fV[j].Py()/fV[j].Px())*180.0/TMath::Pi();
+ Double_t dphi = TMath::Abs(phi1 - phi2);
+ ibin = Int_t(dphi/fP2_Step);
+ if((fCharge[i] > 0)&&(fCharge[j] > 0))
+ fNpp[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] < 0))
+ fNnn[ibin] += 1.;
+ if((fCharge[i] > 0)&&(fCharge[j] < 0))
+ fNpn[ibin] += 1.;
+ if((fCharge[i] < 0)&&(fCharge[j] > 0))
+ fNpn[ibin] += 1.;
+ }
+ }
+ }//case 6
+}
+
+//----------------------------------------//
+Double_t AliBalance::GetBalance(Int_t p2)
+{
+ fB[p2] = 0.5*(((fNpn[p2] - 2.0*fNnn[p2])/fNn) + ((fNpn[p2] - 2.0*fNpp[p2])/fNp))/fP2_Step;
+
+ return fB[p2];
+}
+
+//----------------------------------------//
+Double_t AliBalance::GetError(Int_t p2)
+{
+ ferror[p2] = sqrt( Double_t(fNpp[p2])/(Double_t(fNp)*Double_t(fNp)) + Double_t(fNnn[p2])/(Double_t(fNn)*Double_t(fNn)) + Double_t(fNpn[p2])*pow((0.5/Double_t(fNp) + 0.5/Double_t(fNn)),2))/fP2_Step;
+
+ return ferror[p2];
+}
+
+//----------------------------------------//
+void AliBalance::PrintResults()
+{
+ Double_t x[MAXIMUM_NUMBER_OF_STEPS];
+ Double_t fSumXi = 0.0, fSumBi = 0.0, fSumBiXi = 0.0;
+ Double_t fSumBiXi2 = 0.0, fSumBi2Xi2 = 0.0;
+ Double_t fSumDeltaBi2 = 0.0, fSumXi2DeltaBi2 = 0.0;
+ Double_t delta_bal_P2 = 0.0, Integral = 0.0;
+ Double_t DeltaErrorNew = 0.0;
+
+ cout<<"=================================================="<<endl;
+ for(Int_t i = 0; i < fNumberOfBins; i++)
+ {
+ Double_t x = fP2_Start + fP2_Step*i + fP2_Step/2 ;
+ cout<<"B: "<<fB[i]<<"\t Error: "<<ferror[i]<<"\t bin: "<<x<<endl;
+ }
+ cout<<"=================================================="<<endl;
+ for(Int_t i = 1; i < fNumberOfBins; i++)
+ {
+ fSumXi += x[i];
+ fSumBi += fB[i];
+ fSumBiXi += fB[i]*x[i];
+ fSumBiXi2 += fB[i]*pow(x[i],2);
+ fSumBi2Xi2 += pow(fB[i],2)*pow(x[i],2);
+ fSumDeltaBi2 += pow(ferror[i],2) ;
+ fSumXi2DeltaBi2 += pow(x[i],2) * pow(ferror[i],2) ;
+
+ delta_bal_P2 += fP2_Step*pow(ferror[i],2) ;
+ Integral += fP2_Step*fB[i] ;
+ }
+ for(Int_t i = 1; i < fNumberOfBins; i++)
+ {
+ DeltaErrorNew += ferror[i]*(x[i]*fSumBi - fSumBiXi)/pow(fSumBi,2);
+ }
+ Double_t IntegralError = sqrt(delta_bal_P2) ;
+
+ Double_t Delta = fSumBiXi / fSumBi ;
+ Double_t DeltaError = (fSumBiXi / fSumBi) * sqrt(pow((sqrt(fSumXi2DeltaBi2)/fSumBiXi),2) + pow((fSumDeltaBi2/fSumBi),2) ) ;
+
+ cout<<"Analyzed events: "<<fAnalyzedEvents<<endl;
+ cout<<"Width: "<<Delta<<"\t Error: "<<DeltaError<<endl;
+ cout<<"New error: "<<DeltaErrorNew<<endl;
+ cout<<"Interval: "<<Integral<<"\t Error: "<<IntegralError<<endl;
+ cout<<"=================================================="<<endl;
+}
+
--- /dev/null
+#ifndef ALIBALANCE_H
+#define ALIBALANCE_H
+/* See cxx source for full Copyright notice */
+
+
+/* $Id$ */
+
+//-------------------------------------------------------------------------
+// Class AliBalance
+// This is the class for the Balance Function analysis
+//
+// Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
+//-------------------------------------------------------------------------
+
+#include <TROOT.h>
+#include <TObject.h>
+#include <TLorentzVector.h>
+
+#define MAXIMUM_NUMBER_OF_STEPS 1024
+
+class AliBalance : public TObject
+{
+ private:
+ Double_t *fCharge; //matrix with the charge of each track
+ Int_t fNtrack; //number of tracks to compute the BF
+
+ TLorentzVector *fV; //4-momentum vector - info for tracks used to compute the BF
+
+ Int_t fNumberOfBins; //number of bins of the analyzed interval
+ Int_t fAnalysisType; //0:y - 1:eta - 2:Qlong - 3:Qout - 4:Qside - 5:Qinv - 6:phi
+ Int_t fAnalyzedEvents; //number of events that have been analyzed
+
+ Double_t fP2_Start, fP2_Stop, fP2_Step; //inerval info
+
+ Double_t fNnn[MAXIMUM_NUMBER_OF_STEPS]; //N(--)
+ Double_t fNpp[MAXIMUM_NUMBER_OF_STEPS]; //N(++)
+ Double_t fNpn[MAXIMUM_NUMBER_OF_STEPS]; //N(+-)
+ Double_t fNn, fNp; //number of pos./neg. inside the analyzed interval
+
+ Double_t fB[MAXIMUM_NUMBER_OF_STEPS]; //BF matrix
+ Double_t ferror[MAXIMUM_NUMBER_OF_STEPS]; //error of the BF
+
+ public:
+ AliBalance();
+
+ AliBalance(Double_t P2_Start, Double_t P2_Stop, Int_t P2_Steps);
+
+ ~AliBalance();
+
+ void SetParticles(TLorentzVector *P, Double_t *charge, Int_t dim);
+ void SetNumberOfBins(Int_t ibins);
+ void SetAnalysisType(Int_t iType);
+ void SetInterval(Double_t P2_Start, Double_t P2_Stop);
+
+ void CalculateBalance() ;
+
+ Double_t GetNp() { return 1.0*fNp; }
+ Double_t GetNn() { return 1.0*fNn; }
+ Double_t GetNnn(Int_t p2) { return 1.0*fNnn[p2]; }
+ Double_t GetNpp(Int_t p2) { return 1.0*fNpp[p2]; }
+ Double_t GetNpn(Int_t p2) { return 1.0*fNpn[p2]; }
+
+ Double_t GetBalance(Int_t p2);
+ Double_t GetError(Int_t p2);
+
+ void PrintResults();
+
+ ClassDef(AliBalance, 1)
+} ;
+
+#endif
AliReaderESD.cxx AliReaderESDTree.cxx \
AliTrackPoints.cxx AliClusterMap.cxx \
AliD0toKpi.cxx AliD0toKpiAnalysis.cxx AliFlowAnalysis.cxx \
- AliMuonAnalysis.cxx AliAODv0.cxx
+ AliMuonAnalysis.cxx AliAODv0.cxx \
+ AliAnalysisEventCuts.cxx AliAnalysisTrackCuts.cxx AliBalance.cxx
HDRS= $(SRCS:.cxx=.h)
AliReader.h AliReaderESD.h \
AliTrackPoints.h AliClusterMap.h \
AliFlowAnalysis.h AliReaderESDTree.h \
- AliMuonAnalysis.h AliAODv0.h
+ AliMuonAnalysis.h AliAODv0.h \
+ AliAnalysisEventCuts.h AliAnalysisTrackCuts.h AliBalance.h
EINCLUDE:= TPC ITS
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff