]>
Commit | Line | Data |
---|---|---|
dfd0f589 | 1 | // Config file MUON + ITS (for vertex) for PDC06 |
2 | // Tuned for p+p min biais and quarkonia production (AliGenMUONCocktailpp) | |
3 | // Remember to define the directory and option | |
4 | // gAlice->SetConfigFunction("Config('$HOME','box');"); | |
e1f732d4 | 5 | // april 3rd: added L3 magnet |
dfd0f589 | 6 | |
c0784315 | 7 | void LoadPythia(); |
37ff1457 | 8 | |
e1f732d4 | 9 | void Config(char directory[100]="", char option[6]="trg1mu") |
dfd0f589 | 10 | { |
11 | ||
12 | static Int_t sseed = 0; // Set 0 to use the current time | |
13 | ||
14 | //===================================================================== | |
c0784315 | 15 | LoadPythia(); |
dfd0f589 | 16 | gSystem->Load("libgeant321.so"); |
17 | new TGeant3TGeo("C++ Interface to Geant3"); | |
37ff1457 | 18 | |
dfd0f589 | 19 | //======================================================================= |
20 | ||
458041af | 21 | if(!AliCDBManager::Instance()->IsDefaultStorageSet()){ |
162637e4 | 22 | AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT/OCDB"); |
458041af | 23 | AliCDBManager::Instance()->SetRun(0); |
24 | } | |
25 | ||
dfd0f589 | 26 | // Set Random Number seed |
27 | gRandom->SetSeed(sseed); | |
28 | ||
29 | // Create the output file | |
30 | Text_t filename[100]; | |
31 | sprintf(filename,"%sgalice.root",directory); | |
32 | ||
33 | AliRunLoader* rl=0x0; | |
34 | rl = AliRunLoader::Open( | |
35 | filename, AliConfig::GetDefaultEventFolderName(), "recreate"); | |
36 | if (rl == 0x0) { | |
37 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); | |
38 | return; | |
39 | } | |
40 | rl->SetCompressionLevel(2); | |
e1f732d4 | 41 | rl->SetNumberOfEventsPerFile(1000); |
dfd0f589 | 42 | gAlice->SetRunLoader(rl); |
458041af | 43 | // gAlice->SetGeometryFromFile("geometry.root"); |
44 | // gAlice->SetGeometryFromCDB(); | |
dfd0f589 | 45 | |
6521ae06 | 46 | //======================================================================= |
47 | // Set the trigger configuration | |
48 | gAlice->SetTriggerDescriptor("p-p"); | |
49 | cout<<"Trigger configuration is set to p-p"<<endl; | |
50 | ||
dfd0f589 | 51 | //======================================================================= |
52 | // Set External decayer | |
53 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); | |
54 | decayer->SetForceDecay(kAll); | |
55 | decayer->Init(); | |
56 | gMC->SetExternalDecayer(decayer); | |
57 | ||
58 | //======================================================================= | |
59 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
60 | gMC->SetProcess("DCAY",1); | |
61 | gMC->SetProcess("PAIR",1); | |
62 | gMC->SetProcess("COMP",1); | |
63 | gMC->SetProcess("PHOT",1); | |
64 | gMC->SetProcess("PFIS",0); | |
65 | gMC->SetProcess("DRAY",0); | |
66 | gMC->SetProcess("ANNI",1); | |
67 | gMC->SetProcess("BREM",1); | |
68 | gMC->SetProcess("MUNU",1); | |
69 | gMC->SetProcess("CKOV",1); | |
70 | gMC->SetProcess("HADR",1); | |
71 | gMC->SetProcess("LOSS",2); | |
72 | gMC->SetProcess("MULS",1); | |
73 | gMC->SetProcess("RAYL",1); | |
74 | ||
75 | Float_t cut = 1.e-3; // 1MeV cut by default | |
76 | Float_t tofmax = 1.e10; | |
77 | ||
78 | gMC->SetCut("CUTGAM", cut); | |
79 | gMC->SetCut("CUTELE", cut); | |
80 | gMC->SetCut("CUTNEU", cut); | |
81 | gMC->SetCut("CUTHAD", cut); | |
82 | gMC->SetCut("CUTMUO", cut); | |
83 | gMC->SetCut("BCUTE", cut); | |
84 | gMC->SetCut("BCUTM", cut); | |
85 | gMC->SetCut("DCUTE", cut); | |
86 | gMC->SetCut("DCUTM", cut); | |
87 | gMC->SetCut("PPCUTM", cut); | |
88 | gMC->SetCut("TOFMAX", tofmax); | |
89 | // | |
90 | //======================================================================= | |
91 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
92 | // Chamber positions | |
93 | // From AliMUONConstants class we get : | |
94 | // Position Z (along beam) of the chambers (in cm) | |
95 | // (from AliMUONConstants class): | |
96 | // 533.5, 546.5, 678.5, 693.5, 964.0, 986.0, 1251.5, 1278.5, | |
97 | // 1416.5, 1443.5, 1610, 1625., 1710., 1725. | |
98 | // Internal Radius (in cm) | |
99 | // 36.4, 46.2, 66.0, 80., 80., 100., 100. | |
100 | // External Radius (in cm) | |
101 | // 183., 245., 395., 560., 563., 850., 900. | |
102 | //======================================================================= | |
37ff1457 | 103 | AliGenPythia* PythiaForMUONCocktail(Decay_t dt) |
104 | { | |
105 | AliGenPythia *pythia = new AliGenPythia(1); | |
106 | pythia->SetProcess(kPyMbMSEL1); | |
107 | pythia->SetStrucFunc(kCTEQ5L); | |
108 | pythia->SetEnergyCMS(14000.); | |
109 | pythia->SetForceDecay(dt); | |
110 | pythia->SetPtRange(0.,100.); | |
111 | pythia->SetYRange(-8.,8.); | |
112 | pythia->SetPhiRange(0.,360.); | |
113 | pythia->SetPtHard(2.76,-1.0); | |
114 | pythia->SwitchHFOff(); | |
115 | return pythia; | |
116 | } | |
dfd0f589 | 117 | |
118 | if (!strcmp(option,"trg2mu")) { | |
119 | AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); | |
120 | gener->SetPtRange(0.,100.); | |
121 | gener->SetYRange(-4.,-2.4); | |
e1f732d4 | 122 | gener->SetPhiRange(0.,360.); |
dfd0f589 | 123 | gener->SetMuonMultiplicity(2); |
e1f732d4 | 124 | gener->SetMuonPtCut(0.5); |
dfd0f589 | 125 | gener->SetMuonThetaRange(171.,178.); |
126 | gener->SetOrigin(0.,0.,0.); | |
127 | gener->SetSigma(0.,0.,5.); | |
128 | gener->SetVertexSmear(kPerEvent); | |
37ff1457 | 129 | Decay_t dt = gener->GetDecayModePythia(dt); |
130 | AliGenPythia* pythia = PythiaForMUONCocktail(dt); | |
131 | pythia->Init(); | |
132 | gener->AddGenerator(pythia,"Pythia",1); | |
dfd0f589 | 133 | gener->Init(); |
134 | } | |
135 | ||
136 | if (!strcmp(option,"trg1mu")) { | |
137 | AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); | |
138 | gener->SetPtRange(0.,100.); | |
139 | gener->SetYRange(-4.,-2.4); | |
e1f732d4 | 140 | gener->SetPhiRange(0.,360.); |
dfd0f589 | 141 | gener->SetMuonMultiplicity(1); |
e1f732d4 | 142 | gener->SetMuonPtCut(0.5); |
dfd0f589 | 143 | gener->SetMuonThetaRange(171.,178.); |
144 | gener->SetOrigin(0.,0.,0.); | |
145 | gener->SetSigma(0.,0.,5.); | |
146 | gener->SetVertexSmear(kPerEvent); | |
37ff1457 | 147 | Decay_t dt = gener->GetDecayModePythia(); |
148 | AliGenPythia* pythia = PythiaForMUONCocktail(dt); | |
149 | pythia->Init(); | |
150 | gener->AddGenerator(pythia,"Pythia",1); | |
dfd0f589 | 151 | gener->Init(); |
152 | } | |
153 | //============================================================= | |
e1f732d4 | 154 | // Field (L3 0.5 T) outside dimuon spectrometer |
4642ac4b | 155 | AliMagF* field = new AliMagF("Maps","Maps",1.,1.,AliMagF::k5kG); |
f3cba114 | 156 | field->SetL3ConstField(0); // Using const. field in the barrel |
f7a1cc68 | 157 | TGeoGlobalMagField::Instance()->SetField(field); |
dfd0f589 | 158 | |
e1f732d4 | 159 | Int_t iITS = 1; |
160 | Int_t iZDC = 1; | |
161 | Int_t iFMD = 1; | |
162 | Int_t iPHOS = 1; | |
163 | Int_t iPMD = 1; | |
ababa197 | 164 | Int_t iT0 = 1; |
e1f732d4 | 165 | Int_t iVZERO = 1; |
166 | ||
dfd0f589 | 167 | rl->CdGAFile(); |
168 | ||
169 | //=================== Alice BODY parameters ============================= | |
170 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
171 | //=================== ABSO parameters ============================ | |
96fb3353 | 172 | AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); |
dfd0f589 | 173 | //=================== DIPO parameters ============================ |
96fb3353 | 174 | AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); |
dfd0f589 | 175 | //================== HALL parameters ============================ |
96fb3353 | 176 | AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); |
dfd0f589 | 177 | //================== The L3 Magnet ============================== |
178 | AliMAG *MAG = new AliMAG("MAG", "L3 Magnet"); | |
179 | //=================== PIPE parameters ============================ | |
96fb3353 | 180 | AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); |
dfd0f589 | 181 | //=================== SHIL parameters ============================ |
96fb3353 | 182 | AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); |
dfd0f589 | 183 | //=================== ITS parameters ============================= |
184 | if(iITS) { | |
99887042 | 185 | AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid"); |
dfd0f589 | 186 | } |
e1f732d4 | 187 | //=================== ZDC parameters ============================= |
188 | if(iZDC) { | |
9d07603a | 189 | AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC"); |
e1f732d4 | 190 | } |
191 | //=================== FMD parameters ============================= | |
192 | if(iFMD) { | |
193 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
194 | } | |
195 | //=================== PHOS parameters ============================= | |
196 | if(iPHOS) { | |
197 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
198 | } | |
199 | //=================== PMD parameters ============================= | |
200 | if(iPMD) { | |
201 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
202 | } | |
ababa197 | 203 | //=================== T0 parameters ============================= |
204 | if (iT0) { | |
205 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); | |
e1f732d4 | 206 | } |
207 | //=================== VZERO parameters ============================= | |
208 | if (iVZERO) { | |
209 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); | |
210 | } | |
dfd0f589 | 211 | |
212 | //=================== MUON Subsystem =========================== | |
213 | cout << ">>> Config.C: Creating AliMUONv1 ..."<<endl; | |
214 | ||
215 | // With the following compactor, what you get (in case you wonder...) is : | |
216 | // | |
217 | // - "FactoryV4", that is all stations using new segmentations/mapping | |
218 | // - "sdigitizer:AliMUONSDigitizerV2", performing decalibration | |
219 | // - "digitizer:NewDigitizerOldTrigger" <=> digitizer=AliMUONDigitizerV3, | |
220 | // using the "old" trigger code, performing calibration | |
221 | // | |
222 | AliMUON *MUON = new AliMUONv1("MUON"); | |
223 | } | |
224 | ||
225 | Float_t EtaToTheta(Float_t arg){ | |
226 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
227 | } | |
37ff1457 | 228 | |
229 | ||
c0784315 | 230 | void LoadPythia() |
231 | { | |
232 | // Load Pythia related libraries | |
233 | gSystem->Load("liblhapdf.so"); // Parton density functions | |
234 | gSystem->Load("libEGPythia6.so"); // TGenerator interface | |
235 | gSystem->Load("libpythia6.so"); // Pythia | |
236 | gSystem->Load("libAliPythia6.so"); // ALICE specific implementations | |
237 | } | |
238 | ||
37ff1457 | 239 |