]>
Commit | Line | Data |
---|---|---|
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" | |
47 | #include "AliMUONRawCluster.h" | |
48 | #include "AliMUONGlobalTrigger.h" | |
0cb382c1 | 49 | #include "AliMUONTrack.h" |
b1f2fbb2 | 50 | |
51 | #include "AliMUONDataInterface.h" | |
52 | #include "AliMUONMCDataInterface.h" | |
53 | #include "AliMUONVHitStore.h" | |
54 | #include "AliMUONVTriggerStore.h" | |
55 | ||
0cb382c1 | 56 | #endif |
57 | ||
58 | // Upsilon(1S) | |
59 | ||
60 | ||
b1f2fbb2 | 61 | void MUONTriggerEfficiency(const char* filenameSim="galice_sim.root", |
62 | const char* filenameRec="galice.root", | |
63 | Bool_t readFromRP = 0) | |
64 | { | |
65 | ||
66 | // output file | |
67 | ||
68 | AliMUONMCDataInterface diSim(filenameSim); | |
69 | AliMUONDataInterface diRec(filenameRec); | |
70 | ||
71 | if (!diSim.IsValid()) | |
72 | { | |
73 | cerr << "Cannot access " << filenameSim << endl; | |
74 | return; | |
75 | } | |
76 | ||
77 | if (!diRec.IsValid()) | |
78 | { | |
79 | cerr << "Cannot access " << filenameRec << endl; | |
80 | return; | |
81 | } | |
0cb382c1 | 82 | |
b1f2fbb2 | 83 | FILE* fdat = fopen("MUONTriggerEfficiency.out","w"); |
84 | if (!fdat) | |
85 | { | |
86 | cerr << "Cannot create output file" << endl; | |
87 | return; | |
88 | } | |
0cb382c1 | 89 | |
b1f2fbb2 | 90 | Int_t coincmuon,muonlpt,muonhpt; |
0cb382c1 | 91 | Int_t CoincMuPlus,CoincMuMinus; |
92 | coincmuon=0; | |
0cb382c1 | 93 | muonlpt=0; |
394cb950 | 94 | muonhpt=0; |
b1f2fbb2 | 95 | |
96 | Int_t nevents = diSim.NumberOfEvents(); | |
97 | ||
98 | for (Int_t ievent=0; ievent<nevents; ++ievent) | |
99 | { | |
100 | CoincMuPlus=0; | |
101 | CoincMuMinus=0; | |
0cb382c1 | 102 | |
b1f2fbb2 | 103 | if (ievent%1000==0) printf("\t Event = %d\n",ievent); |
6b092dfc | 104 | |
b1f2fbb2 | 105 | // Hits |
106 | ||
107 | Int_t NbHits[2][4]; | |
108 | for (Int_t j=0; j<2; j++) | |
109 | { | |
110 | for (Int_t jj=0; jj<4; jj++) | |
111 | { | |
112 | NbHits[j][jj]=0; | |
113 | } | |
0cb382c1 | 114 | } |
6b092dfc | 115 | |
b1f2fbb2 | 116 | Int_t ntracks = (Int_t) diSim.NumberOfTracks(ievent); |
117 | ||
118 | for ( Int_t itrack=0; itrack<ntracks; ++itrack ) | |
119 | { | |
120 | AliMUONVHitStore* hitStore = diSim.HitStore(ievent,itrack); | |
0cb382c1 | 121 | AliMUONHit* mHit; |
b1f2fbb2 | 122 | TIter next(hitStore->CreateIterator()); |
123 | ||
124 | while ( ( mHit = static_cast<AliMUONHit*>(next()) ) ) | |
125 | { | |
126 | Int_t Nch = mHit->Chamber(); | |
127 | Int_t hittrack = mHit->Track(); | |
128 | Float_t IdPart = mHit->Particle(); | |
129 | ||
130 | for (Int_t j=0;j<4;j++) | |
131 | { | |
132 | Int_t kch=11+j; | |
133 | if (hittrack==1 || hittrack==2) | |
134 | { | |
135 | if (Nch==kch && IdPart==-13 && NbHits[0][j]==0) NbHits[0][j]++; | |
136 | if (Nch==kch && IdPart==13 && NbHits[1][j]==0) NbHits[1][j]++; | |
0cb382c1 | 137 | } |
138 | } | |
b1f2fbb2 | 139 | } |
0cb382c1 | 140 | } // end track loop |
141 | ||
b1f2fbb2 | 142 | // 3/4 coincidence |
143 | Int_t SumNbHits=NbHits[0][0]+NbHits[0][1]+NbHits[0][2]+NbHits[0][3]; | |
0cb382c1 | 144 | if (SumNbHits==3 || SumNbHits==4) CoincMuPlus=1; |
b1f2fbb2 | 145 | |
0cb382c1 | 146 | SumNbHits=NbHits[1][0]+NbHits[1][1]+NbHits[1][2]+NbHits[1][3]; |
147 | if (SumNbHits==3 || SumNbHits==4) CoincMuMinus=1; | |
148 | ||
149 | if (CoincMuPlus==1 && CoincMuMinus==1) coincmuon++; | |
b1f2fbb2 | 150 | |
151 | TString tree("D"); | |
152 | if ( readFromRP ) tree = "R"; | |
6b092dfc | 153 | |
b1f2fbb2 | 154 | AliMUONVTriggerStore* triggerStore = diRec.TriggerStore(ievent,tree.Data()); |
155 | ||
156 | AliMUONGlobalTrigger* gloTrg = triggerStore->Global(); | |
0cb382c1 | 157 | |
b1f2fbb2 | 158 | if (gloTrg->PairUnlikeLpt()>=1) muonlpt++; |
159 | if (gloTrg->PairUnlikeHpt()>=1) muonhpt++; | |
0cb382c1 | 160 | |
161 | } // end loop on event | |
0cb382c1 | 162 | |
163 | // calculate efficiency with as a ref. at least 3/4 planes fired | |
ad705f30 | 164 | Float_t efficiencylpt,efficiencyhpt; |
165 | Double_t coincmu,lptmu,hptmu; | |
0cb382c1 | 166 | Float_t error; |
ad705f30 | 167 | coincmu=Double_t(coincmuon); |
0cb382c1 | 168 | lptmu=Double_t(muonlpt); |
169 | hptmu=Double_t(muonhpt); | |
170 | ||
0cb382c1 | 171 | // output |
172 | fprintf(fdat,"\n"); | |
173 | fprintf(fdat," Number of events = %d \n",nevents); | |
174 | fprintf(fdat," Number of events with 3/4 coinc = %d \n",coincmuon); | |
0cb382c1 | 175 | fprintf(fdat," Nomber of dimuons with 3/4 coinc Lpt cut = %d \n",muonlpt); |
176 | fprintf(fdat," Number of dimuons with 3/4 coinc Hpt cut = %d \n",muonhpt); | |
177 | fprintf(fdat,"\n"); | |
178 | ||
0cb382c1 | 179 | efficiencylpt=lptmu/coincmu; |
180 | error=efficiencylpt*TMath::Sqrt((lptmu+coincmu)/(lptmu*coincmu)); | |
181 | fprintf(fdat," Efficiency Lpt cut = %4.4f +/- %4.4f\n",efficiencylpt,error); | |
182 | ||
183 | efficiencyhpt=hptmu/coincmu; | |
184 | error=efficiencyhpt*TMath::Sqrt((hptmu+coincmu)/(hptmu*coincmu)); | |
185 | fprintf(fdat," Efficiency Hpt cut = %4.4f +/- %4.4f\n",efficiencyhpt,error); | |
186 | ||
187 | ||
188 | fclose(fdat); | |
189 | } | |
190 | ||
191 | ||
192 | ||
193 | ||
194 |