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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');"); | |
5 | ||
6 | void Config(char directory[100]="", char option[6]="trg2mu") | |
7 | { | |
8 | ||
9 | static Int_t sseed = 0; // Set 0 to use the current time | |
10 | ||
11 | //===================================================================== | |
12 | // Libraries required by geant321 | |
13 | gSystem->Load("libgeant321.so"); | |
14 | new TGeant3TGeo("C++ Interface to Geant3"); | |
15 | //======================================================================= | |
16 | ||
17 | // Set Random Number seed | |
18 | gRandom->SetSeed(sseed); | |
19 | ||
20 | // Create the output file | |
21 | Text_t filename[100]; | |
22 | sprintf(filename,"%sgalice.root",directory); | |
23 | ||
24 | AliRunLoader* rl=0x0; | |
25 | rl = AliRunLoader::Open( | |
26 | filename, AliConfig::GetDefaultEventFolderName(), "recreate"); | |
27 | if (rl == 0x0) { | |
28 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); | |
29 | return; | |
30 | } | |
31 | rl->SetCompressionLevel(2); | |
32 | rl->SetNumberOfEventsPerFile(100); | |
33 | gAlice->SetRunLoader(rl); | |
34 | ||
35 | //======================================================================= | |
36 | // Set External decayer | |
37 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); | |
38 | decayer->SetForceDecay(kAll); | |
39 | decayer->Init(); | |
40 | gMC->SetExternalDecayer(decayer); | |
41 | ||
42 | //======================================================================= | |
43 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
44 | gMC->SetProcess("DCAY",1); | |
45 | gMC->SetProcess("PAIR",1); | |
46 | gMC->SetProcess("COMP",1); | |
47 | gMC->SetProcess("PHOT",1); | |
48 | gMC->SetProcess("PFIS",0); | |
49 | gMC->SetProcess("DRAY",0); | |
50 | gMC->SetProcess("ANNI",1); | |
51 | gMC->SetProcess("BREM",1); | |
52 | gMC->SetProcess("MUNU",1); | |
53 | gMC->SetProcess("CKOV",1); | |
54 | gMC->SetProcess("HADR",1); | |
55 | gMC->SetProcess("LOSS",2); | |
56 | gMC->SetProcess("MULS",1); | |
57 | gMC->SetProcess("RAYL",1); | |
58 | ||
59 | Float_t cut = 1.e-3; // 1MeV cut by default | |
60 | Float_t tofmax = 1.e10; | |
61 | ||
62 | gMC->SetCut("CUTGAM", cut); | |
63 | gMC->SetCut("CUTELE", cut); | |
64 | gMC->SetCut("CUTNEU", cut); | |
65 | gMC->SetCut("CUTHAD", cut); | |
66 | gMC->SetCut("CUTMUO", cut); | |
67 | gMC->SetCut("BCUTE", cut); | |
68 | gMC->SetCut("BCUTM", cut); | |
69 | gMC->SetCut("DCUTE", cut); | |
70 | gMC->SetCut("DCUTM", cut); | |
71 | gMC->SetCut("PPCUTM", cut); | |
72 | gMC->SetCut("TOFMAX", tofmax); | |
73 | // | |
74 | //======================================================================= | |
75 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
76 | // Chamber positions | |
77 | // From AliMUONConstants class we get : | |
78 | // Position Z (along beam) of the chambers (in cm) | |
79 | // (from AliMUONConstants class): | |
80 | // 533.5, 546.5, 678.5, 693.5, 964.0, 986.0, 1251.5, 1278.5, | |
81 | // 1416.5, 1443.5, 1610, 1625., 1710., 1725. | |
82 | // Internal Radius (in cm) | |
83 | // 36.4, 46.2, 66.0, 80., 80., 100., 100. | |
84 | // External Radius (in cm) | |
85 | // 183., 245., 395., 560., 563., 850., 900. | |
86 | //======================================================================= | |
87 | ||
88 | if (!strcmp(option,"trg2mu")) { | |
89 | AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); | |
90 | gener->SetPtRange(0.,100.); | |
91 | gener->SetYRange(-4.,-2.4); | |
92 | gener->SetPhiRange(0., 360.); | |
93 | gener->SetMuonMultiplicity(2); | |
94 | gener->SetMuonPtCut(1.); | |
95 | gener->SetMuonThetaRange(171.,178.); | |
96 | gener->SetOrigin(0.,0.,0.); | |
97 | gener->SetSigma(0.,0.,5.); | |
98 | gener->SetVertexSmear(kPerEvent); | |
99 | gener->Init(); | |
100 | } | |
101 | ||
102 | if (!strcmp(option,"trg1mu")) { | |
103 | AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); | |
104 | gener->SetPtRange(0.,100.); | |
105 | gener->SetYRange(-4.,-2.4); | |
106 | gener->SetPhiRange(0., 360.); | |
107 | gener->SetMuonMultiplicity(1); | |
108 | gener->SetMuonPtCut(1.); | |
109 | gener->SetMuonThetaRange(171.,178.); | |
110 | gener->SetOrigin(0.,0.,0.); | |
111 | gener->SetSigma(0.,0.,5.); | |
112 | gener->SetVertexSmear(kPerEvent); | |
113 | gener->Init(); | |
114 | } | |
115 | //============================================================= | |
116 | // Field (L3 0.4 T) | |
117 | AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 1, 1., 10., AliMagFMaps::k4kG); | |
118 | gAlice->SetField(field); | |
119 | ||
120 | Int_t iITS = 1; | |
121 | rl->CdGAFile(); | |
122 | ||
123 | //=================== Alice BODY parameters ============================= | |
124 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
125 | //=================== ABSO parameters ============================ | |
126 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); | |
127 | //=================== DIPO parameters ============================ | |
128 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); | |
129 | //================== HALL parameters ============================ | |
130 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); | |
131 | //================== The L3 Magnet ============================== | |
132 | AliMAG *MAG = new AliMAG("MAG", "L3 Magnet"); | |
133 | //=================== PIPE parameters ============================ | |
134 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); | |
135 | //=================== SHIL parameters ============================ | |
136 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); | |
137 | //=================== ITS parameters ============================= | |
138 | if(iITS) { | |
139 | AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services"); | |
140 | } | |
141 | ||
142 | ||
143 | //=================== MUON Subsystem =========================== | |
144 | cout << ">>> Config.C: Creating AliMUONv1 ..."<<endl; | |
145 | ||
146 | // With the following compactor, what you get (in case you wonder...) is : | |
147 | // | |
148 | // - "FactoryV4", that is all stations using new segmentations/mapping | |
149 | // - "sdigitizer:AliMUONSDigitizerV2", performing decalibration | |
150 | // - "digitizer:NewDigitizerOldTrigger" <=> digitizer=AliMUONDigitizerV3, | |
151 | // using the "old" trigger code, performing calibration | |
152 | // | |
153 | AliMUON *MUON = new AliMUONv1("MUON"); | |
154 | } | |
155 | ||
156 | Float_t EtaToTheta(Float_t arg){ | |
157 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
158 | } |