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Commit | Line | Data |
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2dd2096a | 1 | // Config file MUON + ITS (for vertex) + VZERO + FMD for PDC07 |
2 | // Tuned for p+p min biais and quarkonia production, heavy quark production | |
3 | // from AliGenCorrHF(AliGenMUONCocktailpp) | |
4 | // Remember to define the directory and option | |
5 | // gAlice->SetConfigFunction("Config('$HOME','box');"); | |
6 | // april 3rd: added L3 magnet | |
7 | ||
8 | void Config(char directory[100]="", char option[6]="trgAll") | |
9 | { | |
10 | ||
11 | static Int_t sseed = 0; // Set 0 to use the current time | |
ee621efa | 12 | |
13 | // Load Pythia libraries | |
14 | LoadPythia(); | |
2dd2096a | 15 | |
16 | //===================================================================== | |
17 | // Libraries required by geant321 | |
18 | gSystem->Load("libgeant321.so"); | |
37ff1457 | 19 | |
2dd2096a | 20 | new TGeant3TGeo("C++ Interface to Geant3"); |
21 | //======================================================================= | |
22 | ||
23 | if(!AliCDBManager::Instance()->IsDefaultStorageSet()){ | |
162637e4 | 24 | AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT/OCDB"); |
2dd2096a | 25 | AliCDBManager::Instance()->SetRun(0); |
26 | } | |
27 | ||
28 | // Set Random Number seed | |
29 | gRandom->SetSeed(sseed); | |
30 | ||
31 | // Create the output file | |
32 | Text_t filename[100]; | |
33 | sprintf(filename,"%sgalice.root",directory); | |
34 | ||
35 | AliRunLoader* rl=0x0; | |
36 | rl = AliRunLoader::Open( | |
37 | filename, AliConfig::GetDefaultEventFolderName(), "recreate"); | |
38 | if (rl == 0x0) { | |
39 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); | |
40 | return; | |
41 | } | |
42 | rl->SetCompressionLevel(2); | |
43 | rl->SetNumberOfEventsPerFile(1000); | |
44 | gAlice->SetRunLoader(rl); | |
45 | ||
46 | //======================================================================= | |
47 | // Set the trigger configuration - not needed here for MUON in | |
48 | // stand-alone mode | |
28da60d3 | 49 | // AliSimulation::Instance()->SetTriggerConfig("p-p"); |
2dd2096a | 50 | // cout<<"Trigger configuration is set to p-p"<<endl; |
51 | ||
52 | //======================================================================= | |
53 | // Set External decayer | |
54 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); | |
55 | decayer->SetForceDecay(kAll); | |
56 | decayer->Init(); | |
57 | gMC->SetExternalDecayer(decayer); | |
58 | ||
59 | //======================================================================= | |
60 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
61 | gMC->SetProcess("DCAY",1); | |
62 | gMC->SetProcess("PAIR",1); | |
63 | gMC->SetProcess("COMP",1); | |
64 | gMC->SetProcess("PHOT",1); | |
65 | gMC->SetProcess("PFIS",0); | |
66 | gMC->SetProcess("DRAY",0); | |
67 | gMC->SetProcess("ANNI",1); | |
68 | gMC->SetProcess("BREM",1); | |
69 | gMC->SetProcess("MUNU",1); | |
70 | gMC->SetProcess("CKOV",1); | |
71 | gMC->SetProcess("HADR",1); | |
72 | gMC->SetProcess("LOSS",2); | |
73 | gMC->SetProcess("MULS",1); | |
74 | gMC->SetProcess("RAYL",1); | |
75 | ||
76 | Float_t cut = 1.e-3; // 1MeV cut by default | |
77 | Float_t tofmax = 1.e10; | |
78 | ||
79 | gMC->SetCut("CUTGAM", cut); | |
80 | gMC->SetCut("CUTELE", cut); | |
81 | gMC->SetCut("CUTNEU", cut); | |
82 | gMC->SetCut("CUTHAD", cut); | |
83 | gMC->SetCut("CUTMUO", cut); | |
84 | gMC->SetCut("BCUTE", cut); | |
85 | gMC->SetCut("BCUTM", cut); | |
86 | gMC->SetCut("DCUTE", cut); | |
87 | gMC->SetCut("DCUTM", cut); | |
88 | gMC->SetCut("PPCUTM", cut); | |
89 | gMC->SetCut("TOFMAX", tofmax); | |
90 | // | |
91 | //======================================================================= | |
92 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
93 | // Chamber positions | |
94 | // From AliMUONConstants class we get : | |
95 | // Position Z (along beam) of the chambers (in cm) | |
96 | // (from AliMUONConstants class): | |
97 | // 533.5, 546.5, 678.5, 693.5, 964.0, 986.0, 1251.5, 1278.5, | |
98 | // 1416.5, 1443.5, 1610, 1625., 1710., 1725. | |
99 | // Internal Radius (in cm) | |
100 | // 36.4, 46.2, 66.0, 80., 80., 100., 100. | |
101 | // External Radius (in cm) | |
102 | // 183., 245., 395., 560., 563., 850., 900. | |
103 | //======================================================================= | |
104 | ||
37ff1457 | 105 | AliGenPythia* PythiaForMUONCocktail(Decay_t dt) |
106 | { | |
107 | AliGenPythia *pythia = new AliGenPythia(1); | |
108 | pythia->SetProcess(kPyMbMSEL1); | |
109 | pythia->SetStrucFunc(kCTEQ5L); | |
110 | pythia->SetEnergyCMS(14000.); | |
111 | pythia->SetForceDecay(dt); | |
112 | pythia->SetPtRange(0.,100.); | |
113 | pythia->SetYRange(-8.,8.); | |
114 | pythia->SetPhiRange(0.,360.); | |
115 | pythia->SetPtHard(2.76,-1.0); | |
116 | pythia->SwitchHFOff(); | |
117 | return pythia; | |
118 | } | |
119 | ||
2dd2096a | 120 | if (!strcmp(option,"trg2mu")) { |
121 | AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); | |
122 | gener->SetPtRange(0.,100.); | |
123 | gener->SetYRange(-4.,-2.4); | |
124 | gener->SetPhiRange(0., 360.); | |
125 | gener->SetMuonMultiplicity(2); | |
126 | gener->SetMuonPtCut(0.5); | |
127 | gener->SetMuonThetaRange(171.,178.); | |
128 | gener->SetOrigin(0.,0.,0.); | |
129 | gener->SetSigma(0.,0.,5.); | |
130 | gener->SetVertexSmear(kPerEvent); | |
37ff1457 | 131 | Decay_t dt = gener->GetDecayModePythia(); |
132 | AliGenPythia* pythia = PythiaForMUONCocktail(dt); | |
133 | pythia->Init(); | |
134 | gener->AddGenerator(pythia,"Pythia",1); | |
2dd2096a | 135 | gener->Init(); |
136 | } | |
137 | ||
138 | if (!strcmp(option,"trg1mu")) { | |
139 | AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); | |
140 | gener->SetPtRange(0.,100.); | |
141 | gener->SetYRange(-4.,-2.4); | |
142 | gener->SetPhiRange(0., 360.); | |
143 | gener->SetMuonMultiplicity(1); | |
144 | gener->SetMuonPtCut(0.5); | |
145 | gener->SetMuonThetaRange(171.,178.); | |
146 | gener->SetOrigin(0.,0.,0.); | |
147 | gener->SetSigma(0.,0.,5.); | |
148 | gener->SetVertexSmear(kPerEvent); | |
37ff1457 | 149 | Decay_t dt = gener->GetDecayModePythia(); |
150 | AliGenPythia* pythia = PythiaForMUONCocktail(dt); | |
151 | pythia->Init(); | |
152 | gener->AddGenerator(pythia,"Pythia",1); | |
2dd2096a | 153 | gener->Init(); |
154 | } | |
155 | if (!strcmp(option,"trgAll")) { | |
156 | AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); | |
157 | gener->SetPtRange(0.,100.); | |
158 | gener->SetYRange(-4.,-2.4); | |
159 | gener->SetPhiRange(0., 360.); | |
160 | gener->SetMuonMultiplicity(0); | |
161 | gener->SetMuonPtCut(0.); | |
162 | gener->SetOrigin(0.,0.,0.); | |
163 | gener->SetSigma(0.,0.,5.3); | |
164 | gener->SetVertexSmear(kPerEvent); | |
37ff1457 | 165 | Decay_t dt = gener->GetDecayModePythia(); |
166 | AliGenPythia* pythia = PythiaForMUONCocktail(dt); | |
167 | pythia->Init(); | |
168 | gener->AddGenerator(pythia,"Pythia",1); | |
2dd2096a | 169 | gener->Init(); |
170 | } | |
171 | //============================================================= | |
172 | // Field (L3 0.5 T) outside dimuon spectrometer | |
4642ac4b | 173 | AliMagF* field = new AliMagF("Maps","Maps", 1., 1., AliMagF::k5kG); |
2dd2096a | 174 | field->SetL3ConstField(0); // Using const. field in the barrel |
f7a1cc68 | 175 | TGeoGlobalMagField::Instance()->SetField(field); |
2dd2096a | 176 | |
177 | Int_t iITS = 1; | |
178 | Int_t iFMD = 1; | |
179 | Int_t iVZERO = 1; | |
180 | ||
181 | rl->CdGAFile(); | |
182 | ||
183 | //=================== Alice BODY parameters ============================= | |
184 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
185 | //=================== ABSO parameters ============================ | |
186 | AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); | |
187 | //=================== DIPO parameters ============================ | |
188 | AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); | |
189 | //================== HALL parameters ============================ | |
190 | AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); | |
191 | //================== The L3 Magnet ============================== | |
192 | AliMAG *MAG = new AliMAG("MAG", "L3 Magnet"); | |
193 | //=================== PIPE parameters ============================ | |
194 | AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); | |
195 | //=================== SHIL parameters ============================ | |
196 | AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); | |
197 | //=================== ITS parameters ============================= | |
198 | if(iITS) { | |
3a5fcc75 | 199 | AliITS *ITS = new AliITSv11("ITS","ITS v11"); |
2dd2096a | 200 | } |
201 | //=================== FMD parameters ============================= | |
202 | if(iFMD) { | |
203 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
204 | } | |
205 | //=================== VZERO parameters ============================= | |
206 | if (iVZERO) { | |
207 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); | |
208 | } | |
209 | ||
210 | //=================== MUON Subsystem =========================== | |
211 | cout << ">>> Config.C: Creating AliMUONv1 ..."<<endl; | |
212 | ||
213 | AliMUON *MUON = new AliMUONv1("MUON"); | |
214 | } | |
215 | ||
216 | Float_t EtaToTheta(Float_t arg){ | |
217 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
218 | } | |
37ff1457 | 219 | |
ee621efa | 220 | |
221 | ||
222 | void LoadPythia() | |
223 | { | |
224 | // Load Pythia related libraries | |
225 | gSystem->Load("liblhapdf.so"); // Parton density functions | |
226 | gSystem->Load("libEGPythia6.so"); // TGenerator interface | |
227 | gSystem->Load("libpythia6.so"); // Pythia | |
228 | gSystem->Load("libAliPythia6.so"); // ALICE specific implementations | |
229 | } |