Coverity fixes (Jens)
[u/mrichter/AliRoot.git] / PWGGA / PHOSTasks / PHOS_pp_pi0 / AliAnalysisTaskPi0.cxx
1 #include "TChain.h"
2 #include "TTree.h"
3 #include "TObjArray.h"
4 #include "TF1.h"
5 #include "TH1F.h"
6 #include "TH2F.h"
7 #include "TH2I.h"
8 #include "TH3F.h"
9 #include "TParticle.h"
10 #include "TCanvas.h"
11 #include "TStyle.h"
12
13 #include "AliAnalysisTaskSE.h"
14 #include "AliAnalysisTaskPi0.h"
15 #include "AliCaloPhoton.h"
16 #include "AliPHOSGeometry.h"
17 #include "AliESDEvent.h"
18 #include "AliESDCaloCells.h"
19 #include "AliESDCaloCluster.h"
20 #include "AliESDVertex.h"
21 #include "AliESDtrackCuts.h"
22 #include "AliLog.h"
23 #include "AliPID.h"
24 #include "AliTriggerAnalysis.h"
25
26 // Analysis task to fill histograms with PHOS ESD clusters and cells
27 // Authors: Yuri Kharlov
28 // Date   : 28.05.2009
29
30 ClassImp(AliAnalysisTaskPi0)
31
32 //________________________________________________________________________
33 AliAnalysisTaskPi0::AliAnalysisTaskPi0(const char *name) 
34 : AliAnalysisTaskSE(name),
35   fESDtrackCuts(0),
36   fOutputContainer(0),
37   fPHOSEvent(0),
38   fnCINT1B(0),
39   fnCINT1A(0),
40   fnCINT1C(0),
41   fnCINT1E(0),
42   fPHOSGeo(0),
43   fEventCounter(0),
44   fTriggerAnalysis(new AliTriggerAnalysis)
45 {
46   // Constructor
47   Int_t nBin=10 ;
48   for(Int_t i=0;i<nBin;i++){
49     for(Int_t j=0;j<2;j++)
50       fPHOSEvents[i][j]=0 ;
51   }
52   
53   // Output slots #0 write into a TH1 container
54   DefineOutput(1,TList::Class());
55
56   // Set bad channel map
57   char key[55] ;
58   for(Int_t i=0; i<6; i++){
59     snprintf(key,55,"PHOS_BadMap_mod%d",i) ;
60     fPHOSBadMap[i]=new TH2I(key,"Bad Modules map",64,0.,64.,56,0.,56.) ;
61   }
62   // Initialize the PHOS geometry
63   fPHOSGeo = AliPHOSGeometry::GetInstance("IHEP") ;
64
65 }
66
67 //________________________________________________________________________
68 void AliAnalysisTaskPi0::UserCreateOutputObjects()
69 {
70   // Create histograms
71   // Called once
72
73   // ESD histograms
74   if(fOutputContainer != NULL){
75     delete fOutputContainer;
76   }
77   fOutputContainer = new TList();
78   fOutputContainer->SetOwner(kTRUE);
79
80   fOutputContainer->Add(new TH1I("hCellMultEvent"  ,"PHOS cell multiplicity per event"    ,2000,0,2000));
81   fOutputContainer->Add(new TH1I("hCellMultEventM1","PHOS cell multiplicity per event, M1",2000,0,2000));
82   fOutputContainer->Add(new TH1I("hCellMultEventM2","PHOS cell multiplicity per event, M2",2000,0,2000));
83   fOutputContainer->Add(new TH1I("hCellMultEventM3","PHOS cell multiplicity per event, M3",2000,0,2000));
84   fOutputContainer->Add(new TH1I("hClusterMult"      ,"CaloCluster multiplicity"     ,100,0,100));
85   fOutputContainer->Add(new TH1I("hPHOSClusterMult"  ,"PHOS cluster multiplicity"    ,100,0,100));
86   fOutputContainer->Add(new TH1I("hPHOSClusterMultM1","PHOS cluster multiplicity, M1",100,0,100));
87   fOutputContainer->Add(new TH1I("hPHOSClusterMultM2","PHOS cluster multiplicity, M2",100,0,100));
88   fOutputContainer->Add(new TH1I("hPHOSClusterMultM3","PHOS cluster multiplicity, M3",100,0,100));
89   fOutputContainer->Add(new TH1F("hCellEnergy"  ,"Cell energy"            ,3000,0.,30.));
90   fOutputContainer->Add(new TH1F("hCellEnergyM1","Cell energy in module 1",3000,0.,30.));
91   fOutputContainer->Add(new TH1F("hCellEnergyM2","Cell energy in module 2",3000,0.,30.));
92   fOutputContainer->Add(new TH1F("hCellEnergyM3","Cell energy in module 3",3000,0.,30.));
93   fOutputContainer->Add(new TH1F("hClusterEnergy"  ,"Cluster energy"      ,3000,0.,30.));
94   fOutputContainer->Add(new TH1F("hClusterEnergyM1","Cluster energy, M1"  ,3000,0.,30.));
95   fOutputContainer->Add(new TH1F("hClusterEnergyM2","Cluster energy, M2"  ,3000,0.,30.));
96   fOutputContainer->Add(new TH1F("hClusterEnergyM3","Cluster energy, M3"  ,3000,0.,30.));
97   fOutputContainer->Add(new TH2F("hClusterEvsN"  ,"Cluster energy vs digit multiplicity"    ,3000,0.,30.,40,0.,40.));
98   fOutputContainer->Add(new TH2F("hClusterEvsNM1","Cluster energy vs digit multiplicity, M1",3000,0.,30.,40,0.,40.));
99   fOutputContainer->Add(new TH2F("hClusterEvsNM2","Cluster energy vs digit multiplicity, M2",3000,0.,30.,40,0.,40.));
100   fOutputContainer->Add(new TH2F("hClusterEvsNM3","Cluster energy vs digit multiplicity, M3",3000,0.,30.,40,0.,40.));
101   fOutputContainer->Add(new TH1I("hCellMultClu"  ,"Cell multiplicity per cluster"    ,200,0,200));
102   fOutputContainer->Add(new TH1I("hCellMultCluM1","Cell multiplicity per cluster, M1",200,0,200));
103   fOutputContainer->Add(new TH1I("hCellMultCluM2","Cell multiplicity per cluster, M3",200,0,200));
104   fOutputContainer->Add(new TH1I("hCellMultCluM3","Cell multiplicity per cluster, M3",200,0,200));
105   fOutputContainer->Add(new TH1I("hModule","Module events",5,0.,5.));
106   fOutputContainer->Add(new TH1F("hSelEvents","Selected events",7,0.5,7.5));
107
108   fOutputContainer->Add(new TH2F("hCellNXZM1","Cell (X,Z), M1" ,64,0.5,64.5, 56,0.5,56.5));
109   fOutputContainer->Add(new TH2F("hCellNXZM2","Cell (X,Z), M2" ,64,0.5,64.5, 56,0.5,56.5));
110   fOutputContainer->Add(new TH2F("hCellNXZM3","Cell (X,Z), M3" ,64,0.5,64.5, 56,0.5,56.5));
111   fOutputContainer->Add(new TH2F("hCellEXZM1","Cell E(X,Z), M1",64,0.5,64.5, 56,0.5,56.5));
112   fOutputContainer->Add(new TH2F("hCellEXZM2","Cell E(X,Z), M2",64,0.5,64.5, 56,0.5,56.5));
113   fOutputContainer->Add(new TH2F("hCellEXZM3","Cell E(X,Z), M3",64,0.5,64.5, 56,0.5,56.5));
114   fOutputContainer->Add(new TH2F("hCluNXZM1","Clu (X,Z), M1"   ,64,0.5,64.5, 56,0.5,56.5));
115   fOutputContainer->Add(new TH2F("hCluNXZM2","Clu (X,Z), M2"   ,64,0.5,64.5, 56,0.5,56.5));
116   fOutputContainer->Add(new TH2F("hCluNXZM3","Clu (X,Z), M3"   ,64,0.5,64.5, 56,0.5,56.5));
117   fOutputContainer->Add(new TH2F("hCluEXZM1","Clu E(X,Z), M1"  ,64,0.5,64.5, 56,0.5,56.5));
118   fOutputContainer->Add(new TH2F("hCluEXZM2","Clu E(X,Z), M2"  ,64,0.5,64.5, 56,0.5,56.5));
119   fOutputContainer->Add(new TH2F("hCluEXZM3","Clu E(X,Z), M3"  ,64,0.5,64.5, 56,0.5,56.5));
120
121   Int_t nM       = 750;
122   Double_t mMin  = 0.0;
123   Double_t mMax  = 1.5;
124   Int_t nPt      = 400;
125   Double_t ptMin = 0;
126   Double_t ptMax = 40;
127   fOutputContainer->Add(new TH2F("hAsymPtPi0","(A,p_{T})_{#gamma#gamma} #pi^{0}"     ,50,0.,1.,    nPt,ptMin,ptMax));
128   fOutputContainer->Add(new TH2F("hAsymPtEta","(A,p_{T})_{#gamma#gamma} #eta"        ,50,0.,1.,    nPt,ptMin,ptMax));
129
130   fOutputContainer->Add(new TH2F("hMassPtA10" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0"   ,nM,mMin,mMax,nPt,ptMin,ptMax));
131   fOutputContainer->Add(new TH2F("hMassPtA08" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.8"   ,nM,mMin,mMax,nPt,ptMin,ptMax));
132   fOutputContainer->Add(new TH2F("hMassPtA07" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7"   ,nM,mMin,mMax,nPt,ptMin,ptMax));
133   fOutputContainer->Add(new TH2F("hMassPtA01" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.1"   ,nM,mMin,mMax,nPt,ptMin,ptMax));
134
135   fOutputContainer->Add(new TH2F("hMassPtA10nvtx" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0, no vtx" ,nM,mMin,mMax,nPt,ptMin,ptMax));
136   fOutputContainer->Add(new TH2F("hMassPtA07nvtx" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7, no vtx" ,nM,mMin,mMax,nPt,ptMin,ptMax));
137
138   fOutputContainer->Add(new TH2F("hMassPtA10vtx" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0, vtx"     ,nM,mMin,mMax,nPt,ptMin,ptMax));
139   fOutputContainer->Add(new TH2F("hMassPtA07vtx" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7, vtx"     ,nM,mMin,mMax,nPt,ptMin,ptMax));
140
141   fOutputContainer->Add(new TH2F("hMassPtA10V0AND" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0, V0AND",nM,mMin,mMax,nPt,ptMin,ptMax));
142   fOutputContainer->Add(new TH2F("hMassPtA07V0AND" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7, V0AND",nM,mMin,mMax,nPt,ptMin,ptMax));
143
144   fOutputContainer->Add(new TH2F("hMassPtA10V0PU" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0, pileup",nM,mMin,mMax,nPt,ptMin,ptMax));
145   fOutputContainer->Add(new TH2F("hMassPtA07V0PU" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7, pileup",nM,mMin,mMax,nPt,ptMin,ptMax));
146
147   fOutputContainer->Add(new TH2F("hMassPtvA10","(M,p_{T})_{#gamma#gamma}, 0<A<1.0, ESD vertex",nM,mMin,mMax,nPt,ptMin,ptMax));
148   fOutputContainer->Add(new TH2F("hMassPtvA07","(M,p_{T})_{#gamma#gamma}, 0<A<0.7, ESD vertex",nM,mMin,mMax,nPt,ptMin,ptMax));
149
150   fOutputContainer->Add(new TH3F("hMassPtCA10","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
151   fOutputContainer->Add(new TH3F("hMassPtCA10_cpv","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
152   fOutputContainer->Add(new TH3F("hMassPtCA10_disp","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
153   fOutputContainer->Add(new TH3F("hMassPtCA10_both","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
154   fOutputContainer->Add(new TH3F("hMassPtCA07","(M,p_{T},C)_{#gamma#gamma}, 0<A<0.7" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
155   fOutputContainer->Add(new TH3F("hMassPtCA07_cpv","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
156   fOutputContainer->Add(new TH3F("hMassPtCA07_disp","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
157   fOutputContainer->Add(new TH3F("hMassPtCA07_both","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
158
159   fOutputContainer->Add(new TH2F("hMassSingle_all","(M,p_{T})_{#gamma#gamma}, no PID" ,nM,mMin,mMax,nPt,ptMin,ptMax));
160   fOutputContainer->Add(new TH2F("hMassSingle_cpv","(M,p_{T})_{#gamma#gamma}, no PID" ,nM,mMin,mMax,nPt,ptMin,ptMax));
161   fOutputContainer->Add(new TH2F("hMassSingle_disp","(M,p_{T})_{#gamma#gamma}, no PID" ,nM,mMin,mMax,nPt,ptMin,ptMax));
162   fOutputContainer->Add(new TH2F("hMassSingle_both","(M,p_{T})_{#gamma#gamma}, no PID" ,nM,mMin,mMax,nPt,ptMin,ptMax));
163
164   fOutputContainer->Add(new TH2F("hMassPtM1","(M,p_{T})_{#gamma#gamma}, module 1"    ,nM,mMin,mMax,nPt,ptMin,ptMax));
165   fOutputContainer->Add(new TH2F("hMassPtM2","(M,p_{T})_{#gamma#gamma}, module 2"    ,nM,mMin,mMax,nPt,ptMin,ptMax));
166   fOutputContainer->Add(new TH2F("hMassPtM3","(M,p_{T})_{#gamma#gamma}, module 3"    ,nM,mMin,mMax,nPt,ptMin,ptMax));
167   fOutputContainer->Add(new TH2F("hMassPtM12","(M,p_{T})_{#gamma#gamma}, modules 1,2",nM,mMin,mMax,nPt,ptMin,ptMax));
168   fOutputContainer->Add(new TH2F("hMassPtM13","(M,p_{T})_{#gamma#gamma}, modules 1,3",nM,mMin,mMax,nPt,ptMin,ptMax));
169   fOutputContainer->Add(new TH2F("hMassPtM23","(M,p_{T})_{#gamma#gamma}, modules 2,3",nM,mMin,mMax,nPt,ptMin,ptMax));
170
171   fOutputContainer->Add(new TH2F("hMassPtN3","(M,p_{T})_{#gamma#gamma}, N_{cell}>2"  ,nM,mMin,mMax,nPt,ptMin,ptMax));
172   fOutputContainer->Add(new TH2F("hMassPtN4","(M,p_{T})_{#gamma#gamma}, N_{cell}>3"  ,nM,mMin,mMax,nPt,ptMin,ptMax));
173   fOutputContainer->Add(new TH2F("hMassPtN5","(M,p_{T})_{#gamma#gamma}, N_{cell}>4"  ,nM,mMin,mMax,nPt,ptMin,ptMax));
174   fOutputContainer->Add(new TH2F("hMassPtN6","(M,p_{T})_{#gamma#gamma}, N_{cell}>5"  ,nM,mMin,mMax,nPt,ptMin,ptMax));
175
176   fOutputContainer->Add(new TH2F("hMiAsymPt","(A,p_{T})_{#gamma#gamma}"                ,50,0.,1.,    nPt,ptMin,ptMax));
177
178   fOutputContainer->Add(new TH2F("hMiMassPtA10" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0"   ,nM,mMin,mMax,nPt,ptMin,ptMax));
179   fOutputContainer->Add(new TH2F("hMiMassPtA08" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.8"   ,nM,mMin,mMax,nPt,ptMin,ptMax));
180   fOutputContainer->Add(new TH2F("hMiMassPtA07" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7"   ,nM,mMin,mMax,nPt,ptMin,ptMax));
181   fOutputContainer->Add(new TH2F("hMiMassPtA01" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.1"   ,nM,mMin,mMax,nPt,ptMin,ptMax));
182
183   fOutputContainer->Add(new TH2F("hMiMassPtA10nvtx" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0, no vtx" ,nM,mMin,mMax,nPt,ptMin,ptMax));
184   fOutputContainer->Add(new TH2F("hMiMassPtA07nvtx" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7, no vtx" ,nM,mMin,mMax,nPt,ptMin,ptMax));
185
186   fOutputContainer->Add(new TH2F("hMiMassPtA10vtx" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0, vtx"     ,nM,mMin,mMax,nPt,ptMin,ptMax));
187   fOutputContainer->Add(new TH2F("hMiMassPtA07vtx" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7, vtx"     ,nM,mMin,mMax,nPt,ptMin,ptMax));
188
189   fOutputContainer->Add(new TH2F("hMiMassPtA10V0AND" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0, V0AND",nM,mMin,mMax,nPt,ptMin,ptMax));
190   fOutputContainer->Add(new TH2F("hMiMassPtA07V0AND" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7, V0AND",nM,mMin,mMax,nPt,ptMin,ptMax));
191
192   fOutputContainer->Add(new TH2F("hMiMassPtA10V0PU" ,"(M,p_{T})_{#gamma#gamma}, 0<A<1.0, pileup",nM,mMin,mMax,nPt,ptMin,ptMax));
193   fOutputContainer->Add(new TH2F("hMiMassPtA07V0PU" ,"(M,p_{T})_{#gamma#gamma}, 0<A<0.7, pileup",nM,mMin,mMax,nPt,ptMin,ptMax));
194
195   fOutputContainer->Add(new TH2F("hMiMassPtvA10","(M,p_{T})_{#gamma#gamma}, 0<A<1.0, ESD vertex",nM,mMin,mMax,nPt,ptMin,ptMax));
196   fOutputContainer->Add(new TH2F("hMiMassPtvA07","(M,p_{T})_{#gamma#gamma}, 0<A<0.7, ESD vertex",nM,mMin,mMax,nPt,ptMin,ptMax));
197
198   fOutputContainer->Add(new TH3F("hMiMassPtCA10","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
199   fOutputContainer->Add(new TH3F("hMiMassPtCA10_cpv","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
200   fOutputContainer->Add(new TH3F("hMiMassPtCA10_disp","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
201   fOutputContainer->Add(new TH3F("hMiMassPtCA10_both","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
202   fOutputContainer->Add(new TH3F("hMiMassPtCA07","(M,p_{T},C)_{#gamma#gamma}, 0<A<0.7" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
203   fOutputContainer->Add(new TH3F("hMiMassPtCA07_cpv","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
204   fOutputContainer->Add(new TH3F("hMiMassPtCA07_disp","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
205   fOutputContainer->Add(new TH3F("hMiMassPtCA07_both","(M,p_{T},C)_{#gamma#gamma}, 0<A<1.0" ,nM,mMin,mMax,nPt,ptMin,ptMax,8,0.,8.));
206
207   fOutputContainer->Add(new TH2F("hMiMassSingle_all","(M,p_{T})_{#gamma#gamma}, no PID" ,nM,mMin,mMax,nPt,ptMin,ptMax));
208   fOutputContainer->Add(new TH2F("hMiMassSingle_cpv","(M,p_{T})_{#gamma#gamma}, no PID" ,nM,mMin,mMax,nPt,ptMin,ptMax));
209   fOutputContainer->Add(new TH2F("hMiMassSingle_disp","(M,p_{T})_{#gamma#gamma}, no PID" ,nM,mMin,mMax,nPt,ptMin,ptMax));
210   fOutputContainer->Add(new TH2F("hMiMassSingle_both","(M,p_{T})_{#gamma#gamma}, no PID" ,nM,mMin,mMax,nPt,ptMin,ptMax));
211
212   fOutputContainer->Add(new TH2F("hMiMassPtM1","(M,p_{T})_{#gamma#gamma}, module 1"    ,nM,mMin,mMax,nPt,ptMin,ptMax));
213   fOutputContainer->Add(new TH2F("hMiMassPtM2","(M,p_{T})_{#gamma#gamma}, module 2"    ,nM,mMin,mMax,nPt,ptMin,ptMax));
214   fOutputContainer->Add(new TH2F("hMiMassPtM3","(M,p_{T})_{#gamma#gamma}, module 3"    ,nM,mMin,mMax,nPt,ptMin,ptMax));
215   fOutputContainer->Add(new TH2F("hMiMassPtM12","(M,p_{T})_{#gamma#gamma}, modules 1,2",nM,mMin,mMax,nPt,ptMin,ptMax));
216   fOutputContainer->Add(new TH2F("hMiMassPtM13","(M,p_{T})_{#gamma#gamma}, modules 1,3",nM,mMin,mMax,nPt,ptMin,ptMax));
217   fOutputContainer->Add(new TH2F("hMiMassPtM23","(M,p_{T})_{#gamma#gamma}, modules 2,3",nM,mMin,mMax,nPt,ptMin,ptMax));
218
219   fOutputContainer->Add(new TH2F("hMiMassPtN3","(M,p_{T})_{#gamma#gamma}, N_{cell}>2"  ,nM,mMin,mMax,nPt,ptMin,ptMax));
220   fOutputContainer->Add(new TH2F("hMiMassPtN4","(M,p_{T})_{#gamma#gamma}, N_{cell}>3"  ,nM,mMin,mMax,nPt,ptMin,ptMax));
221   fOutputContainer->Add(new TH2F("hMiMassPtN5","(M,p_{T})_{#gamma#gamma}, N_{cell}>4"  ,nM,mMin,mMax,nPt,ptMin,ptMax));
222   fOutputContainer->Add(new TH2F("hMiMassPtN6","(M,p_{T})_{#gamma#gamma}, N_{cell}>5"  ,nM,mMin,mMax,nPt,ptMin,ptMax));
223
224   fOutputContainer->Add(new TH1F("hPhotonKappa","#kappa(#gamma)",200,0.,20.));
225   fOutputContainer->Add(new TH1F("hPhotonPt","p_{T}(#gamma)",200,0.,20.));
226   fOutputContainer->Add(new TH1F("hPhotonPx","p_{x}(#gamma)",200,0.,20.));
227   fOutputContainer->Add(new TH1F("hPhotonPy","p_{y}(#gamma)",200,0.,20.));
228
229   fOutputContainer->Add(new TH1F("hTrigClass","Trigger class",5,0.5,5.5));
230
231   fOutputContainer->Add(new TH1F("hZvertex","Z vertex",200,-50.,+50.));
232   fOutputContainer->Add(new TH1F("hNvertexTracks","N of primary tracks from the primary vertex",150,0.,150.));
233   fOutputContainer->Add(new TH1F("hTrackMult","Charged track multiplicity",150,0.,150.));
234
235   // Create ESD track cut
236
237   fESDtrackCuts = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010();
238   fESDtrackCuts ->SetMaxDCAToVertexZ(2);
239   fESDtrackCuts ->SetEtaRange(-0.8, 0.8);
240   fESDtrackCuts ->SetPtRange(0.15);
241
242   PostData(1, fOutputContainer);
243
244 }
245
246 //________________________________________________________________________
247 void AliAnalysisTaskPi0::UserExec(Option_t *) 
248 {
249   // Main loop, called for each event
250   // Analyze ESD
251
252   // Event selection flags
253
254   Bool_t eventVtxExist    = kFALSE;
255   Bool_t eventVtxZ10cm    = kFALSE;
256   Bool_t eventPileup      = kFALSE;
257   Bool_t eventV0AND       = kFALSE;
258
259   AliESDEvent *event = dynamic_cast<AliESDEvent*>(InputEvent());
260   if (!event) {
261      Printf("ERROR: Could not retrieve event");
262      return;
263   }
264
265   Int_t eventNumberInFile = event->GetEventNumberInFile();
266   if(fPHOSEvent)
267     fPHOSEvent->Clear() ;
268   else
269     fPHOSEvent = new TClonesArray("AliCaloPhoton",50) ;
270
271   // Checks if we have a primary vertex
272   // Get primary vertices form ESD
273
274   if      (event->GetPrimaryVertexTracks()->GetNContributors()>0)
275     eventVtxExist    = kTRUE;
276   else if (event->GetPrimaryVertexSPD()   ->GetNContributors()>0)
277     eventVtxExist    = kTRUE;
278
279   const AliESDVertex *esdVertex5 = event->GetPrimaryVertex();
280
281   Double_t vtx0[3] = {0,0,0}; // don't rely on ESD vertex, assume (0,0,0)
282   Double_t vtx5[3];
283   vtx5[0] = esdVertex5->GetX();
284   vtx5[1] = esdVertex5->GetY();
285   vtx5[2] = esdVertex5->GetZ();
286
287   FillHistogram("hNvertexTracks",esdVertex5->GetNContributors());
288   FillHistogram("hZvertex"      ,esdVertex5->GetZ());
289   if (TMath::Abs(esdVertex5->GetZ()) < 10. )
290     eventVtxZ10cm = kTRUE;
291
292   if (event->IsPileupFromSPD())
293     eventPileup = kTRUE;
294
295   eventV0AND = fTriggerAnalysis->IsOfflineTriggerFired(event, AliTriggerAnalysis::kV0AND);
296
297   // Fill event statistics for different selection criteria
298
299   FillHistogram("hSelEvents",1) ;
300   if (eventVtxExist)
301     FillHistogram("hSelEvents",2) ;
302   if (eventVtxExist && eventVtxZ10cm)
303     FillHistogram("hSelEvents",3) ;
304   if (eventVtxExist && eventVtxZ10cm && eventV0AND)
305     FillHistogram("hSelEvents",4) ;
306   if (eventVtxExist && eventVtxZ10cm && eventV0AND && eventPileup)
307     FillHistogram("hSelEvents",5) ;
308   if (eventPileup)
309     FillHistogram("hSelEvents",6) ;
310   if(eventV0AND){
311     FillHistogram("hSelEvents",7) ;
312   }
313       
314   //Vtx class z-bin
315   Int_t zvtx = (Int_t)((vtx5[2]+10.)/2.) ;
316   if(zvtx<0)zvtx=0 ;
317   if(zvtx>9)zvtx=9 ;
318
319   TString trigClasses = event->GetFiredTriggerClasses();
320
321   if (trigClasses.Contains("CINT1B")) fnCINT1B++;
322   if (trigClasses.Contains("CINT1A")) fnCINT1A++;
323   if (trigClasses.Contains("CINT1C")) fnCINT1C++;
324   if (trigClasses.Contains("CINT1-E")) fnCINT1E++;
325
326   //Calculate charged multiplicity
327   Int_t trackMult = 0;
328   for (Int_t i=0;i<event->GetNumberOfTracks();++i) {
329     AliESDtrack *track = new AliESDtrack(*event->GetTrack(i)) ;
330     if(fESDtrackCuts->AcceptTrack(track) &&  TMath::Abs(track->Eta())< 0.8)
331       trackMult++;
332     delete track;
333   }
334   FillHistogram("hTrackMult",trackMult+0.5) ;
335
336   Int_t centr=0 ;
337   //always zero centrality
338   if(!fPHOSEvents[zvtx][centr]) fPHOSEvents[zvtx][centr]=new TList() ;
339   TList * prevPHOS = fPHOSEvents[zvtx][centr] ;
340
341   if(trackMult<=2)
342     centr=0 ;
343   else 
344     if(trackMult<=5)
345       centr=1 ;
346     else
347       if(trackMult<=9)
348         centr=2 ;
349       else
350         if(trackMult<=14)
351           centr=3 ;
352         else
353           if(trackMult<=22)
354             centr=4 ;
355           else
356             if(trackMult<=35)
357               centr=5 ;
358             else
359               if(trackMult<=50)
360                 centr=6 ;
361               else
362                 centr=7 ;
363
364
365   AliESDCaloCluster *clu1;
366   TLorentzVector p1,p2,p12, pv1,pv2,pv12;
367   AliESDCaloCells *cells      = event->GetPHOSCells();
368
369   Int_t multClust = event->GetNumberOfCaloClusters();
370   Int_t multCells = cells->GetNumberOfCells();
371   FillHistogram("hClusterMult",multClust);
372   FillHistogram("hCellMultEvent",multCells);
373
374   Printf("Event %d, trig.class %s, period %d, bc %d, orbit %d",
375      eventNumberInFile,trigClasses.Data(),event->GetPeriodNumber(),
376      event->GetBunchCrossNumber(),event->GetOrbitNumber());
377   Printf("\tthere are %d caloclusters and %d calocells",
378      multClust,multCells);
379
380   // Get PHOS rotation matrices from ESD and set them to the PHOS geometry
381   if(fEventCounter == 0) {
382     for(Int_t mod=0; mod<5; mod++) {
383       if(!event->GetPHOSMatrix(mod)) continue;
384       fPHOSGeo->SetMisalMatrix(event->GetPHOSMatrix(mod),mod) ;
385       Printf("PHOS geo matrix %p for module # %d is set\n", event->GetPHOSMatrix(mod), mod);
386     }
387   }
388
389   Float_t  energy;
390   Int_t    mod1, relId[4], cellAbsId, cellX, cellZ;
391
392   // Single loop over cells
393
394   Int_t nCellModule[3] = {0,0,0};
395   for (Int_t iCell=0; iCell<multCells; iCell++) {
396     cellAbsId = cells->GetCellNumber(iCell);
397     fPHOSGeo->AbsToRelNumbering(cellAbsId,relId);
398     mod1  = relId[0];
399     cellX = relId[2];
400     cellZ = relId[3] ;
401     energy = cells->GetAmplitude(iCell);
402     FillHistogram("hCellEnergy",energy);
403     if      (mod1==1) {
404       nCellModule[0]++;
405       FillHistogram("hCellEnergyM1",cells->GetAmplitude(iCell));
406       FillHistogram("hCellNXZM1",cellX,cellZ,1.);
407       FillHistogram("hCellEXZM1",cellX,cellZ,energy);
408     }
409     else if (mod1==2) {
410       nCellModule[1]++;
411       FillHistogram("hCellEnergyM2",cells->GetAmplitude(iCell));
412       FillHistogram("hCellNXZM2",cellX,cellZ,1.);
413       FillHistogram("hCellEXZM2",cellX,cellZ,energy);
414     }
415     else if (mod1==3) {
416       nCellModule[2]++;
417       FillHistogram("hCellEnergyM3",cells->GetAmplitude(iCell));
418       FillHistogram("hCellNXZM3",cellX,cellZ,1.);
419       FillHistogram("hCellEXZM3",cellX,cellZ,energy);
420     }
421   }
422   FillHistogram("hCellMultEventM1",nCellModule[0]);
423   FillHistogram("hCellMultEventM2",nCellModule[1]);
424   FillHistogram("hCellMultEventM3",nCellModule[2]);
425
426   // Single loop over clusters fills cluster histograms
427
428   Int_t    digMult;
429   Int_t    multPHOSClust[4]  = {0,0,0,0};
430   Float_t  position[3];
431
432   for (Int_t i1=0; i1<multClust; i1++) {
433     clu1 = event->GetCaloCluster(i1);
434     if ( !clu1->IsPHOS() ) continue;
435
436     digMult = clu1->GetNCells();
437     clu1->GetPosition(position);
438     TVector3 global1(position) ;
439     fPHOSGeo->GlobalPos2RelId(global1,relId) ;
440     mod1  = relId[0] ;
441     cellX = relId[2];
442     cellZ = relId[3] ;
443     if ( !IsGoodChannel("PHOS",mod1,cellX,cellZ) ) continue ;
444     
445     cellAbsId = clu1->GetCellAbsId(0);
446     fPHOSGeo->AbsToRelNumbering(cellAbsId,relId);
447     mod1   = relId[0];
448     energy = clu1->E();
449     
450     multPHOSClust[0]++;
451     FillHistogram("hClusterEnergy",energy);
452     FillHistogram("hClusterEvsN",energy,digMult);
453     FillHistogram("hCellMultClu",digMult);
454     if      (mod1==1) {
455       multPHOSClust[1]++;
456       FillHistogram("hClusterEvsNM1",energy,digMult);
457       FillHistogram("hCellMultCluM1",digMult);
458       FillHistogram("hClusterEnergyM1",energy);
459       if (digMult == 1 && energy > 3.) {
460     FillHistogram("hCluNXZM1",cellX,cellZ,1.);
461     FillHistogram("hCluEXZM1",cellX,cellZ,energy);
462       }
463     }
464     else if (mod1==2) {
465       multPHOSClust[2]++;
466       FillHistogram("hClusterEvsNM2",energy,digMult);
467       FillHistogram("hCellMultCluM2",digMult);
468       FillHistogram("hClusterEnergyM2",energy);
469       if (digMult == 1 && energy > 3.) {
470     FillHistogram("hCluNXZM2",cellX,cellZ,1.);
471     FillHistogram("hCluEXZM2",cellX,cellZ,energy);
472       }
473     }
474     else if (mod1==3) {
475       multPHOSClust[3]++;
476       FillHistogram("hClusterEvsNM3",energy,digMult);
477       FillHistogram("hCellMultCluM3",digMult);
478       FillHistogram("hClusterEnergyM3",energy);
479       if (digMult == 1 && energy > 3.) {
480     FillHistogram("hCluNXZM3",cellX,cellZ,1.);
481     FillHistogram("hCluEXZM3",cellX,cellZ,energy);
482       }
483     }
484     
485     if (digMult > 2) {
486       clu1 ->GetMomentum(p1 ,vtx0);
487       Double_t pAbs = p1.P();
488       Double_t pT   = p1.Pt();
489       Double_t pX   = p1.Px();
490       Double_t pY   = p1.Py();
491       Double_t kappa = pAbs - TMath::Power(0.135,2)/4./pAbs;
492       
493       FillHistogram("hPhotonKappa",kappa);
494       FillHistogram("hPhotonPt",pT);
495       FillHistogram("hPhotonPx",pX);
496       FillHistogram("hPhotonPy",pY);
497     }
498   }
499   FillHistogram("hPHOSClusterMult",multPHOSClust[0]);
500   FillHistogram("hPHOSClusterMultM1",multPHOSClust[1]);
501   FillHistogram("hPHOSClusterMultM2",multPHOSClust[2]);
502   FillHistogram("hPHOSClusterMultM3",multPHOSClust[3]);
503
504   //Select photons for inv mass calculation
505   Int_t inPHOS=0 ;
506   for (Int_t i1=0; i1<multClust; i1++) {
507     clu1 = event->GetCaloCluster(i1);
508     if ( !clu1->IsPHOS() || clu1->E()<0.3) continue;
509
510     clu1->GetPosition(position);
511     TVector3 global1(position) ;
512     fPHOSGeo->GlobalPos2RelId(global1,relId) ;
513     mod1  = relId[0] ;
514     cellX = relId[2];
515     cellZ = relId[3] ;
516     if ( !IsGoodChannel("PHOS",mod1,cellX,cellZ) ) continue ;
517
518     clu1 ->GetMomentum(p1 ,vtx0);
519     clu1 ->GetMomentum(pv1,vtx5);
520     digMult   = clu1->GetNCells();
521     new((*fPHOSEvent)[inPHOS]) AliCaloPhoton(p1.X(),p1.Py(),p1.Z(),p1.E()) ;
522     AliCaloPhoton * ph = (AliCaloPhoton*)fPHOSEvent->At(inPHOS) ;
523     ph->SetModule(mod1) ;
524     ph->SetMomV2(&pv1) ;
525     ph->SetNCells(clu1->GetNCells());
526     ph->SetDispBit(TestLambda(clu1->GetM20(),clu1->GetM02())) ;
527     ph->SetCPVBit(clu1->GetEmcCpvDistance()>10.) ;
528
529     inPHOS++ ;
530   }
531
532   // Fill Real disribution
533
534   for (Int_t i1=0; i1<inPHOS-1; i1++) {
535     AliCaloPhoton * ph1=(AliCaloPhoton*)fPHOSEvent->At(i1) ;
536     for (Int_t i2=i1+1; i2<inPHOS; i2++) {
537       AliCaloPhoton * ph2=(AliCaloPhoton*)fPHOSEvent->At(i2) ;
538       p12  = *ph1  + *ph2;
539       pv12 = *(ph1->GetMomV2()) + *(ph2->GetMomV2());
540       Double_t asym  = TMath::Abs((ph1->Energy()-ph2->Energy())/(ph1->Energy()+ph2->Energy()));
541
542       if (ph1->GetNCells()>2 && ph2->GetNCells()>2) {
543         FillHistogram("hMassPtA10",p12.M() ,p12.Pt() );
544         FillHistogram("hMassPtvA10",pv12.M(),pv12.Pt());
545         FillHistogram("hMassPtCA10",p12.M() ,p12.Pt(), centr+0.5);
546         FillHistogram("hMassSingle_all",p12.M(),ph1->Pt()) ;
547         FillHistogram("hMassSingle_all",p12.M(),ph2->Pt()) ;
548
549         if(!eventVtxExist)
550           FillHistogram("hMassPtA10nvtx",p12.M() ,p12.Pt() );
551         if(eventVtxExist)
552           FillHistogram("hMassPtA10vtx"  ,p12.M() ,p12.Pt() );
553         if(eventVtxExist && eventV0AND)
554           FillHistogram("hMassPtA10V0AND",p12.M() ,p12.Pt() );
555         if(eventPileup)
556           FillHistogram("hMassPtA10PU"   ,p12.M() ,p12.Pt() );
557
558         if(ph1->IsCPVOK())
559           FillHistogram("hMassSingle_cpv",p12.M(),ph1->Pt()) ;
560         if(ph2->IsCPVOK())
561           FillHistogram("hMassSingle_cpv",p12.M(),ph2->Pt()) ;
562         if(ph1->IsDispOK())
563           FillHistogram("hMassSingle_disp",p12.M(),ph1->Pt()) ;
564         if(ph2->IsDispOK())
565           FillHistogram("hMassSingle_disp",p12.M(),ph2->Pt()) ;
566         if(ph1->IsCPVOK() && ph1->IsDispOK())
567           FillHistogram("hMassSingle_both",p12.M(),ph1->Pt()) ;
568         if(ph2->IsCPVOK() && ph2->IsDispOK())
569           FillHistogram("hMassSingle_both",p12.M(),ph2->Pt()) ;
570  
571
572         if(ph1->IsCPVOK() && ph2->IsCPVOK())
573           FillHistogram("hMassPtCA10_cpv",p12.M() ,p12.Pt(), centr+0.5);
574         if(ph1->IsDispOK() && ph2->IsDispOK()){
575           FillHistogram("hMassPtCA10_disp",p12.M() ,p12.Pt(), centr+0.5);
576           if(ph1->IsCPVOK() && ph2->IsCPVOK())
577             FillHistogram("hMassPtCA10_both",p12.M() ,p12.Pt(), centr+0.5);
578         }
579         if (asym<0.8) {
580           FillHistogram("hMassPtA08",p12.M(),p12.Pt());
581         }
582         if (asym<0.7) {
583           FillHistogram("hMassPtA07",p12.M(),p12.Pt());
584           FillHistogram("hMassPtvA07",pv12.M(),pv12.Pt());
585           FillHistogram("hMassPtCA07",p12.M() ,p12.Pt(), centr+0.5);
586           if(!eventVtxExist)
587             FillHistogram("hMassPtA07nvtx",p12.M() ,p12.Pt() );
588           if(eventVtxExist)
589             FillHistogram("hMassPtA07vtx"  ,p12.M() ,p12.Pt() );
590           if(eventVtxExist && eventV0AND)
591             FillHistogram("hMassPtA07V0AND",p12.M() ,p12.Pt() );
592           if(eventPileup)
593             FillHistogram("hMassPtA07PU"   ,p12.M() ,p12.Pt() );
594           if(ph1->IsCPVOK() && ph2->IsCPVOK())
595             FillHistogram("hMassPtCA07_cpv",p12.M() ,p12.Pt(), centr+0.5);
596           if(ph1->IsDispOK() && ph2->IsDispOK()){
597             FillHistogram("hMassPtCA07_disp",p12.M() ,p12.Pt(), centr+0.5);
598             if(ph1->IsCPVOK() && ph2->IsCPVOK())
599               FillHistogram("hMassPtCA07_both",p12.M() ,p12.Pt(), centr+0.5);
600         }
601
602         }
603         if (asym<0.1) {
604           FillHistogram("hMassPtA01",p12.M(),p12.Pt());
605         }
606         if (TMath::Abs(p12.M()-0.135)<0.03)
607           FillHistogram("hAsymPtPi0",asym   ,p12.Pt());
608         if (TMath::Abs(p12.M()-0.547)<0.09)
609           FillHistogram("hAsymPtEta",asym   ,p12.Pt());
610
611         if (ph1->Module()==1 && ph2->Module()==1) FillHistogram("hMassPtM1",p12.M() ,p12.Pt() );
612         if (ph1->Module()==2 && ph2->Module()==2) FillHistogram("hMassPtM2",p12.M() ,p12.Pt() );
613         if (ph1->Module()==3 && ph2->Module()==3) FillHistogram("hMassPtM3",p12.M() ,p12.Pt() );
614         if (ph1->Module()!=3 && ph2->Module()!=3) FillHistogram("hMassPtM12",p12.M() ,p12.Pt() );
615         if (ph1->Module()!=2 && ph2->Module()!=2) FillHistogram("hMassPtM13",p12.M() ,p12.Pt() );
616         if (ph1->Module()!=1 && ph2->Module()!=1) FillHistogram("hMassPtM23",p12.M() ,p12.Pt() );
617
618       }
619
620       if (ph1->GetNCells()>3 && ph2->GetNCells()>3) {
621         FillHistogram("hMassPtN3",p12.M() ,p12.Pt() );
622       }
623       if (ph1->GetNCells()>4 && ph2->GetNCells()>4) {
624         FillHistogram("hMassPtN4",p12.M() ,p12.Pt() );
625       }
626       if (ph1->GetNCells()>5 && ph2->GetNCells()>5) {
627         FillHistogram("hMassPtN5",p12.M() ,p12.Pt() );
628       }
629       if (ph1->GetNCells()>6 && ph2->GetNCells()>6) {
630         FillHistogram("hMassPtN6",p12.M() ,p12.Pt() );
631       }
632
633     } // end of loop i2
634   } // end of loop i1
635   
636   //now mixed
637   for (Int_t i1=0; i1<inPHOS; i1++) {
638     AliCaloPhoton * ph1=(AliCaloPhoton*)fPHOSEvent->At(i1) ;
639     for(Int_t ev=0; ev<prevPHOS->GetSize();ev++){
640       TClonesArray * mixPHOS = static_cast<TClonesArray*>(prevPHOS->At(ev)) ;
641       for(Int_t i2=0; i2<mixPHOS->GetEntriesFast();i2++){
642       AliCaloPhoton * ph2=(AliCaloPhoton*)mixPHOS->At(i2) ;
643       p12  = *ph1  + *ph2;
644       pv12 = *(ph1->GetMomV2()) + *(ph2->GetMomV2());
645       Double_t asym  = TMath::Abs((ph1->Energy()-ph2->Energy())/(ph1->Energy()+ph2->Energy()));
646
647       if (ph1->GetNCells()>2 && ph2->GetNCells()>2) {
648         FillHistogram("hMiMassPtA10",p12.M() ,p12.Pt() );
649         FillHistogram("hMiMassPtvA10",pv12.M(),pv12.Pt());
650         FillHistogram("hMiMassPtCA10",p12.M() ,p12.Pt(), centr+0.5);
651         FillHistogram("hMiMassSingle_all",p12.M(),ph1->Pt()) ;
652         FillHistogram("hMiMassSingle_all",p12.M(),ph2->Pt()) ;
653
654         if(!eventVtxExist)
655           FillHistogram("hMiMassPtA10nvtx",p12.M() ,p12.Pt() );
656         if(eventVtxExist)
657           FillHistogram("hMiMassPtA10vtx"  ,p12.M() ,p12.Pt() );
658         if(eventVtxExist && eventV0AND)
659           FillHistogram("hMiMassPtA10V0AND",p12.M() ,p12.Pt() );
660         if(eventPileup)
661           FillHistogram("hMiMassPtA10PU"   ,p12.M() ,p12.Pt() );
662
663         if(ph1->IsCPVOK())
664           FillHistogram("hMiMassSingle_cpv",p12.M(),ph1->Pt()) ;
665         if(ph2->IsCPVOK())
666           FillHistogram("hMiMassSingle_cpv",p12.M(),ph2->Pt()) ;
667         if(ph1->IsDispOK())
668           FillHistogram("hMiMassSingle_disp",p12.M(),ph1->Pt()) ;
669         if(ph2->IsDispOK())
670           FillHistogram("hMiMassSingle_disp",p12.M(),ph2->Pt()) ;
671         if(ph1->IsCPVOK() && ph1->IsDispOK())
672           FillHistogram("hMiMassSingle_both",p12.M(),ph1->Pt()) ;
673         if(ph2->IsCPVOK() && ph2->IsDispOK())
674           FillHistogram("hMiMassSingle_both",p12.M(),ph2->Pt()) ;
675
676
677         if(ph1->IsCPVOK() && ph2->IsCPVOK())
678           FillHistogram("hMiMassPtCA10_cpv",p12.M() ,p12.Pt(), centr+0.5);
679         if(ph1->IsDispOK() && ph2->IsDispOK()){
680           FillHistogram("hMiMassPtCA10_disp",p12.M() ,p12.Pt(), centr+0.5);
681           if(ph1->IsCPVOK() && ph2->IsCPVOK())
682             FillHistogram("hMiMassPtCA10_both",p12.M() ,p12.Pt(), centr+0.5);
683         }
684         if (asym<0.8) {
685           FillHistogram("hMiMassPtA08",p12.M(),p12.Pt());
686         }
687         if (asym<0.7) {
688           FillHistogram("hMiMassPtA07",p12.M(),p12.Pt());
689           FillHistogram("hMiMassPtvA07",pv12.M(),pv12.Pt());
690           FillHistogram("hMiMassPtCA07",p12.M() ,p12.Pt(), centr+0.5);
691           if(!eventVtxExist)
692             FillHistogram("hMiMassPtA07nvtx",p12.M() ,p12.Pt() );
693           if(eventVtxExist)
694             FillHistogram("hMiMassPtA07vtx"  ,p12.M() ,p12.Pt() );
695           if(eventVtxExist && eventV0AND)
696             FillHistogram("hMiMassPtA07V0AND",p12.M() ,p12.Pt() );
697           if(eventPileup)
698             FillHistogram("hMiMassPtA07PU"   ,p12.M() ,p12.Pt() );
699           if(ph1->IsCPVOK() && ph2->IsCPVOK())
700             FillHistogram("hMiMassPtCA07_cpv",p12.M() ,p12.Pt(), centr+0.5);
701           if(ph1->IsDispOK() && ph2->IsDispOK()){
702             FillHistogram("hMiMassPtCA07_disp",p12.M() ,p12.Pt(), centr+0.5);
703             if(ph1->IsCPVOK() && ph2->IsCPVOK())
704               FillHistogram("hMiMassPtCA07_both",p12.M() ,p12.Pt(), centr+0.5);
705           }
706         }
707         if (asym<0.1) {
708           FillHistogram("hMiMassPtA01",p12.M(),p12.Pt());
709         }
710         FillHistogram("hMiAsymPt",asym   ,p12.Pt());
711
712         if (ph1->Module()==1 && ph2->Module()==1) FillHistogram("hMiMassPtM1",p12.M() ,p12.Pt() );
713         if (ph1->Module()==2 && ph2->Module()==2) FillHistogram("hMiMassPtM2",p12.M() ,p12.Pt() );
714         if (ph1->Module()==3 && ph2->Module()==3) FillHistogram("hMiMassPtM3",p12.M() ,p12.Pt() );
715         if (ph1->Module()!=3 && ph2->Module()!=3) FillHistogram("hMiMassPtM12",p12.M() ,p12.Pt() );
716         if (ph1->Module()!=2 && ph2->Module()!=2) FillHistogram("hMiMassPtM13",p12.M() ,p12.Pt() );
717         if (ph1->Module()!=1 && ph2->Module()!=1) FillHistogram("hMiMassPtM23",p12.M() ,p12.Pt() );
718
719       }
720
721       if (ph1->GetNCells()>3 && ph2->GetNCells()>3) {
722         FillHistogram("hMiMassPtN3",p12.M() ,p12.Pt() );
723       }
724       if (ph1->GetNCells()>4 && ph2->GetNCells()>4) {
725         FillHistogram("hMiMassPtN4",p12.M() ,p12.Pt() );
726       }
727       if (ph1->GetNCells()>5 && ph2->GetNCells()>5) {
728         FillHistogram("hMiMassPtN5",p12.M() ,p12.Pt() );
729       }
730       if (ph1->GetNCells()>6 && ph2->GetNCells()>6) {
731         FillHistogram("fMihMassPtN6",p12.M() ,p12.Pt() );
732       }
733       
734       } // end of loop i2
735     }
736   } // end of loop i1
737  
738   
739   //Now we either add current events to stack or remove
740   //If no photons in current event - no need to add it to mixed
741   if(fPHOSEvent->GetEntriesFast()>0){
742     prevPHOS->AddFirst(fPHOSEvent) ;
743     fPHOSEvent=0;
744     if(prevPHOS->GetSize()>100){//Remove redundant events
745       TClonesArray * tmp = static_cast<TClonesArray*>(prevPHOS->Last()) ;
746       prevPHOS->RemoveLast() ;
747       delete tmp ;
748     }
749   }
750   // Post output data.
751   PostData(1, fOutputContainer);
752   fEventCounter++;
753 }
754
755 //________________________________________________________________________
756 void AliAnalysisTaskPi0::Terminate(Option_t *)
757 {
758   // Draw result to the screen
759   // Called once at the end of the query
760
761   Int_t nPP = fnCINT1B - fnCINT1A - fnCINT1C + 2*fnCINT1E;
762   FillHistogram("hTrigClass",1,fnCINT1B);
763   FillHistogram("hTrigClass",2,fnCINT1A);
764   FillHistogram("hTrigClass",3,fnCINT1C);
765   FillHistogram("hTrigClass",4,fnCINT1E);
766   FillHistogram("hTrigClass",5,nPP);
767   Printf("fnCINT1B=%d, fnCINT1A=%d ,fnCINT1C=%d ,fnCINT1E=%d, nPP=%d",
768      fnCINT1B,fnCINT1A,fnCINT1C,fnCINT1E,nPP);
769    
770 }
771
772 //________________________________________________________________________
773 Bool_t AliAnalysisTaskPi0::IsGoodChannel(const char * det, Int_t mod, Int_t ix, Int_t iz)
774 {
775   //Check if this channel belogs to the good ones
776
777   if(strcmp(det,"PHOS")==0){
778     if(mod>5 || mod<1){
779       AliError(Form("No bad map for PHOS module %d ",mod)) ;
780       return kTRUE ;
781     }
782     if(!fPHOSBadMap[mod]){
783       AliError(Form("No Bad map for PHOS module %d",mod)) ;
784       return kTRUE ;
785     }
786     if(fPHOSBadMap[mod]->GetBinContent(ix,iz)>0)
787       return kFALSE ;
788     else
789       return kTRUE ;
790   }
791   else{
792     AliError(Form("Can not find bad channels for detector %s ",det)) ;
793   }
794   return kTRUE ;
795 }
796 //_____________________________________________________________________________
797 void AliAnalysisTaskPi0::FillHistogram(const char * key,Double_t x)const{
798   //FillHistogram
799   TH1I * tmpI = dynamic_cast<TH1I*>(fOutputContainer->FindObject(key)) ;
800   if(tmpI){
801     tmpI->Fill(x) ;
802     return ;
803   }
804   TH1F * tmpF = dynamic_cast<TH1F*>(fOutputContainer->FindObject(key)) ;
805   if(tmpF){
806     tmpF->Fill(x) ;
807     return ;
808   }
809   TH1D * tmpD = dynamic_cast<TH1D*>(fOutputContainer->FindObject(key)) ;
810   if(tmpD){
811     tmpD->Fill(x) ;
812     return ;
813   }
814   AliInfo(Form("can not find histogram <%s> ",key)) ;
815 }
816 //_____________________________________________________________________________
817 void AliAnalysisTaskPi0::FillHistogram(const char * key,Double_t x,Double_t y)const{
818   //FillHistogram
819   TObject * tmp = fOutputContainer->FindObject(key) ;
820   if(!tmp){
821     AliInfo(Form("can not find histogram <%s> ",key)) ;
822     return ;
823   }
824   if(tmp->IsA() == TClass::GetClass("TH1F")){
825     ((TH1F*)tmp)->Fill(x,y) ;
826     return ;
827   }
828   if(tmp->IsA() == TClass::GetClass("TH2F")){
829     ((TH2F*)tmp)->Fill(x,y) ;
830     return ;
831   }
832   AliError(Form("Calling FillHistogram with 2 parameters for histo <%s> of type %s",key,tmp->IsA()->GetName())) ;
833 }
834
835 //_____________________________________________________________________________
836 void AliAnalysisTaskPi0::FillHistogram(const char * key,Double_t x,Double_t y, Double_t z) const{
837   //Fills 1D histograms with key
838   TObject * tmp = fOutputContainer->FindObject(key) ;
839   if(!tmp){
840     AliInfo(Form("can not find histogram <%s> ",key)) ;
841     return ;
842   }
843   if(tmp->IsA() == TClass::GetClass("TH2F")){
844     ((TH2F*)tmp)->Fill(x,y,z) ;
845     return ;
846   }
847   if(tmp->IsA() == TClass::GetClass("TH3F")){
848     ((TH3F*)tmp)->Fill(x,y,z) ;
849     return ;
850   }
851 }
852 //_____________________________________________________________________________
853 Bool_t AliAnalysisTaskPi0::TestLambda(Double_t l1,Double_t l2){
854   Double_t l1Mean=1.22 ;
855   Double_t l2Mean=2.0 ;
856   Double_t l1Sigma=0.42 ;
857   Double_t l2Sigma=0.71 ;
858   Double_t c=-0.59 ;
859   Double_t R2=(l1-l1Mean)*(l1-l1Mean)/l1Sigma/l1Sigma+(l2-l2Mean)*(l2-l2Mean)/l2Sigma/l2Sigma-c*(l1-l1Mean)*(l2-l2Mean)/l1Sigma/l2Sigma ;
860   return (R2<9.) ;
861
862 }