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0cb382c1 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* */ | |
17 | ||
18 | // | |
19 | // Macro for checking trigger integrated efficiency for dimuons. | |
20 | // The efficiency is calculated with respect to the 3/4 coincidence. | |
21 | // Author: Fabien Guerin, LPC Clermont-Ferrand, Jan. 2006 | |
22 | // | |
23 | ||
24 | #if !defined(__CINT__) || defined(__MAKECINT__) | |
25 | // ROOT includes | |
26 | #include "TBranch.h" | |
27 | #include "TClonesArray.h" | |
28 | #include "TObject.h" | |
29 | #include "TFile.h" | |
30 | #include "TH1.h" | |
31 | #include "TH2.h" | |
32 | #include "TTree.h" | |
33 | #include "TParticle.h" | |
34 | ||
35 | // STEER includes | |
36 | #include "AliRun.h" | |
37 | #include "AliRunLoader.h" | |
38 | #include "AliHeader.h" | |
39 | #include "AliLoader.h" | |
40 | #include "AliStack.h" | |
41 | ||
42 | // MUON includes | |
43 | #include "AliMUON.h" | |
0cb382c1 | 44 | #include "AliMUONHit.h" |
45 | #include "AliMUONConstants.h" | |
46 | #include "AliMUONDigit.h" | |
0cb382c1 | 47 | #include "AliMUONGlobalTrigger.h" |
0cb382c1 | 48 | #include "AliMUONTrack.h" |
b1f2fbb2 | 49 | |
50 | #include "AliMUONDataInterface.h" | |
51 | #include "AliMUONMCDataInterface.h" | |
52 | #include "AliMUONVHitStore.h" | |
53 | #include "AliMUONVTriggerStore.h" | |
54 | ||
0cb382c1 | 55 | #endif |
56 | ||
57 | // Upsilon(1S) | |
58 | ||
59 | ||
b1f2fbb2 | 60 | void MUONTriggerEfficiency(const char* filenameSim="galice_sim.root", |
61 | const char* filenameRec="galice.root", | |
62 | Bool_t readFromRP = 0) | |
63 | { | |
64 | ||
65 | // output file | |
66 | ||
67 | AliMUONMCDataInterface diSim(filenameSim); | |
68 | AliMUONDataInterface diRec(filenameRec); | |
69 | ||
70 | if (!diSim.IsValid()) | |
71 | { | |
72 | cerr << "Cannot access " << filenameSim << endl; | |
73 | return; | |
74 | } | |
75 | ||
76 | if (!diRec.IsValid()) | |
77 | { | |
78 | cerr << "Cannot access " << filenameRec << endl; | |
79 | return; | |
80 | } | |
0cb382c1 | 81 | |
b1f2fbb2 | 82 | FILE* fdat = fopen("MUONTriggerEfficiency.out","w"); |
83 | if (!fdat) | |
84 | { | |
85 | cerr << "Cannot create output file" << endl; | |
86 | return; | |
87 | } | |
0cb382c1 | 88 | |
b1f2fbb2 | 89 | Int_t coincmuon,muonlpt,muonhpt; |
0cb382c1 | 90 | Int_t CoincMuPlus,CoincMuMinus; |
91 | coincmuon=0; | |
0cb382c1 | 92 | muonlpt=0; |
394cb950 | 93 | muonhpt=0; |
b1f2fbb2 | 94 | |
95 | Int_t nevents = diSim.NumberOfEvents(); | |
96 | ||
97 | for (Int_t ievent=0; ievent<nevents; ++ievent) | |
98 | { | |
99 | CoincMuPlus=0; | |
100 | CoincMuMinus=0; | |
0cb382c1 | 101 | |
b1f2fbb2 | 102 | if (ievent%1000==0) printf("\t Event = %d\n",ievent); |
6b092dfc | 103 | |
b1f2fbb2 | 104 | // Hits |
105 | ||
106 | Int_t NbHits[2][4]; | |
107 | for (Int_t j=0; j<2; j++) | |
108 | { | |
109 | for (Int_t jj=0; jj<4; jj++) | |
110 | { | |
111 | NbHits[j][jj]=0; | |
112 | } | |
0cb382c1 | 113 | } |
6b092dfc | 114 | |
b1f2fbb2 | 115 | Int_t ntracks = (Int_t) diSim.NumberOfTracks(ievent); |
116 | ||
117 | for ( Int_t itrack=0; itrack<ntracks; ++itrack ) | |
118 | { | |
119 | AliMUONVHitStore* hitStore = diSim.HitStore(ievent,itrack); | |
0cb382c1 | 120 | AliMUONHit* mHit; |
b1f2fbb2 | 121 | TIter next(hitStore->CreateIterator()); |
122 | ||
123 | while ( ( mHit = static_cast<AliMUONHit*>(next()) ) ) | |
124 | { | |
125 | Int_t Nch = mHit->Chamber(); | |
126 | Int_t hittrack = mHit->Track(); | |
127 | Float_t IdPart = mHit->Particle(); | |
128 | ||
129 | for (Int_t j=0;j<4;j++) | |
130 | { | |
131 | Int_t kch=11+j; | |
132 | if (hittrack==1 || hittrack==2) | |
133 | { | |
134 | if (Nch==kch && IdPart==-13 && NbHits[0][j]==0) NbHits[0][j]++; | |
135 | if (Nch==kch && IdPart==13 && NbHits[1][j]==0) NbHits[1][j]++; | |
0cb382c1 | 136 | } |
137 | } | |
b1f2fbb2 | 138 | } |
0cb382c1 | 139 | } // end track loop |
140 | ||
b1f2fbb2 | 141 | // 3/4 coincidence |
142 | Int_t SumNbHits=NbHits[0][0]+NbHits[0][1]+NbHits[0][2]+NbHits[0][3]; | |
0cb382c1 | 143 | if (SumNbHits==3 || SumNbHits==4) CoincMuPlus=1; |
b1f2fbb2 | 144 | |
0cb382c1 | 145 | SumNbHits=NbHits[1][0]+NbHits[1][1]+NbHits[1][2]+NbHits[1][3]; |
146 | if (SumNbHits==3 || SumNbHits==4) CoincMuMinus=1; | |
147 | ||
148 | if (CoincMuPlus==1 && CoincMuMinus==1) coincmuon++; | |
b1f2fbb2 | 149 | |
150 | TString tree("D"); | |
151 | if ( readFromRP ) tree = "R"; | |
6b092dfc | 152 | |
b1f2fbb2 | 153 | AliMUONVTriggerStore* triggerStore = diRec.TriggerStore(ievent,tree.Data()); |
154 | ||
155 | AliMUONGlobalTrigger* gloTrg = triggerStore->Global(); | |
0cb382c1 | 156 | |
b1f2fbb2 | 157 | if (gloTrg->PairUnlikeLpt()>=1) muonlpt++; |
158 | if (gloTrg->PairUnlikeHpt()>=1) muonhpt++; | |
0cb382c1 | 159 | |
160 | } // end loop on event | |
0cb382c1 | 161 | |
162 | // calculate efficiency with as a ref. at least 3/4 planes fired | |
ad705f30 | 163 | Float_t efficiencylpt,efficiencyhpt; |
164 | Double_t coincmu,lptmu,hptmu; | |
0cb382c1 | 165 | Float_t error; |
ad705f30 | 166 | coincmu=Double_t(coincmuon); |
0cb382c1 | 167 | lptmu=Double_t(muonlpt); |
168 | hptmu=Double_t(muonhpt); | |
169 | ||
0cb382c1 | 170 | // output |
171 | fprintf(fdat,"\n"); | |
172 | fprintf(fdat," Number of events = %d \n",nevents); | |
173 | fprintf(fdat," Number of events with 3/4 coinc = %d \n",coincmuon); | |
0cb382c1 | 174 | fprintf(fdat," Nomber of dimuons with 3/4 coinc Lpt cut = %d \n",muonlpt); |
175 | fprintf(fdat," Number of dimuons with 3/4 coinc Hpt cut = %d \n",muonhpt); | |
176 | fprintf(fdat,"\n"); | |
177 | ||
0cb382c1 | 178 | efficiencylpt=lptmu/coincmu; |
179 | error=efficiencylpt*TMath::Sqrt((lptmu+coincmu)/(lptmu*coincmu)); | |
180 | fprintf(fdat," Efficiency Lpt cut = %4.4f +/- %4.4f\n",efficiencylpt,error); | |
181 | ||
182 | efficiencyhpt=hptmu/coincmu; | |
183 | error=efficiencyhpt*TMath::Sqrt((hptmu+coincmu)/(hptmu*coincmu)); | |
184 | fprintf(fdat," Efficiency Hpt cut = %4.4f +/- %4.4f\n",efficiencyhpt,error); | |
185 | ||
186 | ||
187 | fclose(fdat); | |
188 | } | |
189 | ||
190 | ||
191 | ||
192 | ||
193 |