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Commit | Line | Data |
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8d6c1ae0 | 1 | // Config file test for MUON spectormeter |
2 | // Remember to define the directory and option | |
3 | // gAlice->SetConfigFunction("Config('$HOME','box');"); | |
4 | ||
6b1e4b22 | 5 | void Config(char directory[100]="", char option[6]="param") |
8d6c1ae0 | 6 | { |
7 | // | |
8 | // Config file for MUON test | |
6570c14d | 9 | // |
8d6c1ae0 | 10 | |
11 | //===================================================================== | |
12 | // Libraries required by geant321 | |
13 | gSystem->Load("libgeant321.so"); | |
6570c14d | 14 | new TGeant3TGeo("C++ Interface to Geant3"); |
8d6c1ae0 | 15 | //======================================================================= |
16 | // Create the output file | |
17 | Text_t filename[100]; | |
18 | sprintf(filename,"%sgalice.root",directory); | |
19 | cout << ">>> Output file is " << filename << endl; | |
20 | cout << ">>> Config.C: Creating Run Loader ..."<<endl; | |
21 | AliRunLoader* rl=0x0; | |
22 | rl = AliRunLoader::Open( | |
23 | filename, AliConfig::GetDefaultEventFolderName(), "recreate"); | |
24 | if (rl == 0x0) { | |
25 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); | |
26 | return; | |
27 | } | |
28 | rl->SetCompressionLevel(2); | |
29 | rl->SetNumberOfEventsPerFile(100); | |
30 | gAlice->SetRunLoader(rl); | |
31 | ||
32 | ||
33 | //======================================================================= | |
34 | // Set External decayer | |
35 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); | |
36 | decayer->SetForceDecay(kAll); | |
37 | decayer->Init(); | |
38 | gMC->SetExternalDecayer(decayer); | |
39 | ||
40 | // | |
41 | //======================================================================= | |
42 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
43 | gMC->SetProcess("DCAY",1); | |
44 | gMC->SetProcess("PAIR",1); | |
45 | gMC->SetProcess("COMP",1); | |
46 | gMC->SetProcess("PHOT",1); | |
47 | gMC->SetProcess("PFIS",0); | |
48 | gMC->SetProcess("DRAY",0); | |
49 | gMC->SetProcess("ANNI",1); | |
50 | gMC->SetProcess("BREM",1); | |
51 | gMC->SetProcess("MUNU",1); | |
52 | gMC->SetProcess("CKOV",1); | |
53 | gMC->SetProcess("HADR",1); | |
54 | gMC->SetProcess("LOSS",2); | |
55 | gMC->SetProcess("MULS",1); | |
56 | gMC->SetProcess("RAYL",1); | |
57 | ||
58 | Float_t cut = 1.e-3; // 1MeV cut by default | |
59 | Float_t tofmax = 1.e10; | |
60 | ||
61 | gMC->SetCut("CUTGAM", cut); | |
62 | gMC->SetCut("CUTELE", cut); | |
63 | gMC->SetCut("CUTNEU", cut); | |
64 | gMC->SetCut("CUTHAD", cut); | |
65 | gMC->SetCut("CUTMUO", cut); | |
66 | gMC->SetCut("BCUTE", cut); | |
67 | gMC->SetCut("BCUTM", cut); | |
68 | gMC->SetCut("DCUTE", cut); | |
69 | gMC->SetCut("DCUTM", cut); | |
70 | gMC->SetCut("PPCUTM", cut); | |
71 | gMC->SetCut("TOFMAX", tofmax); | |
72 | // | |
73 | //======================================================================= | |
74 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
75 | // Chamber positions | |
76 | // From AliMUONConstants class we get : | |
77 | // Position Z (along beam) of the chambers (in cm) | |
78 | // (from AliMUONConstants class): | |
79 | // 533.5, 546.5, 678.5, 693.5, 964.0, 986.0, 1251.5, 1278.5, | |
80 | // 1416.5, 1443.5, 1610, 1625., 1710., 1725. | |
81 | // Internal Radius (in cm) | |
82 | // 36.4, 46.2, 66.0, 80., 80., 100., 100. | |
83 | // External Radius (in cm) | |
84 | // 183., 245., 395., 560., 563., 850., 900. | |
85 | //======================================================================= | |
86 | if (!strcmp(option,"box")) { | |
87 | AliGenBox * gener = new AliGenBox(1); | |
88 | gener->SetMomentumRange(20.,20.1); | |
89 | gener->SetPhiRange(0., 360.); | |
90 | gener->SetThetaRange(171.000,178.001); | |
91 | gener->SetPart(13); // Muons | |
92 | gener->SetOrigin(0.,0., 0.); //vertex position | |
93 | gener->SetSigma(0.0, 0.0, 0.0); //Sigma in (X,Y,Z) (cm) on IP position | |
94 | } | |
95 | if (!strcmp(option,"gun")) { | |
96 | //********************************************* | |
97 | // Example for Fixed Particle Gun * | |
98 | //********************************************* | |
99 | AliGenFixed *gener = new AliGenFixed(ntracks); | |
100 | gener->SetMomentum(10); | |
101 | gener->SetPhiRange(0.); | |
102 | gener->SetThetaRange(0.); | |
103 | gener->SetOrigin(30,30,1200);//vertex position | |
104 | gener->SetPart(13); //GEANT particle type 13 is muons | |
105 | } | |
106 | if (!strcmp(option,"scan")) { | |
107 | AliGenScan *gener = new AliGenScan(-1); | |
108 | gener->SetMomentumRange(10,10); | |
109 | gener->SetPhiRange(0, 0); | |
110 | gener->SetThetaRange(-180, -180); | |
111 | //vertex position | |
112 | //gener->SetSigma(1,1,0); //Sigma in (X,Y,Z) (cm) on IP position | |
113 | gener->SetPart(kRootino); | |
114 | gener->SetRange(100, -300., 300., 100, -300., 300., 1, 2000, 2000); | |
115 | } | |
116 | if (!strcmp(option,"param")) { | |
117 | //******************************************************* | |
118 | // Example for J/psi or Upsilon Production from Parameterisation * | |
119 | //******************************************************* | |
120 | AliGenParam *gener = new AliGenParam(1, AliGenMUONlib::kUpsilon); | |
121 | gener->SetMomentumRange(0,999); | |
122 | gener->SetPtRange(0,100.); | |
123 | gener->SetPhiRange(0., 360.); | |
124 | gener->SetCutOnChild(1); | |
125 | gener->SetChildPhiRange(0.,360.); | |
126 | gener->SetChildThetaRange(171.0,178.0); | |
127 | gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position | |
128 | gener->SetForceDecay(kDiMuon); | |
129 | gener->SetTrackingFlag(1); | |
130 | gener->Init(); | |
131 | } | |
132 | //============================================================= | |
133 | // Field (L3 0.4 T) | |
134 | AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 1, 1., 10., AliMagFMaps::k4kG); | |
135 | gAlice->SetField(field); | |
136 | ||
137 | //=================== Alice BODY parameters ============================= | |
138 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
139 | //=================== ABSO parameters ============================ | |
140 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); | |
141 | //=================== DIPO parameters ============================ | |
142 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); | |
143 | //================== HALL parameters ============================ | |
144 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); | |
145 | //=================== PIPE parameters ============================ | |
146 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); | |
147 | //=================== SHIL parameters ============================ | |
148 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); | |
149 | //=================== MUON Subsystem =========================== | |
150 | cout << ">>> Config.C: Creating AliMUONv1 ..."<<endl; | |
8d6c1ae0 | 151 | // New MUONv1 version (geometry defined via builders) |
152 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
6570c14d | 153 | // If align = true, the detection elements transformations |
154 | // are taken from the input files and not from the code | |
8d6c1ae0 | 155 | //MUON->SetAlign(true); |
8d6c1ae0 | 156 | MUON->AddGeometryBuilder(new AliMUONSt1GeometryBuilderV2(MUON)); |
e768a44b | 157 | MUON->AddGeometryBuilder(new AliMUONSt2GeometryBuilderV2(MUON)); |
158 | MUON->AddGeometryBuilder(new AliMUONSlatGeometryBuilder(MUON)); | |
159 | MUON->AddGeometryBuilder(new AliMUONTriggerGeometryBuilder(MUON)); | |
8d6c1ae0 | 160 | } |
161 | ||
162 | Float_t EtaToTheta(Float_t arg){ | |
163 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
164 | } |