1 // Config file MUON + ITS (for vertex) for PDC06
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2 // Tuned for p+p min biais and quarkonia production (AliGenMUONCocktailpp)
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3 // Remember to define the directory and option
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4 // gAlice->SetConfigFunction("Config('$HOME','box');");
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5 // april 3rd: added L3 magnet
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10 ppMBias, pptrg1mu, pptrg2mu, pptrg2muPolA, pptrg2muPolB, pptrg2muPolC, pptrg2muSecret, kRunMax
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14 const char* runName[] = {
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15 "ppMBias", "pptrg1mu", "pptrg2mu", "pptrg2muPolA", "pptrg2muPolB", "pptrg2muPolC", "pptrg2muSecret"
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18 static Run_t srun = ppMBias;
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19 static Int_t sseed = 12345;
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24 // Get settings from environment variables
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25 ProcessEnvironmentVars();
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27 //=====================================================================
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28 // Libraries required by geant321
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29 gSystem->Load("liblhapdf.so"); // Parton density functions
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30 gSystem->Load("libpythia6.so"); // Pythia
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31 gSystem->Load("libgeant321.so");
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32 gSystem->Load("libEG");
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33 gSystem->Load("libEGPythia6");
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34 gSystem->Load("libAliPythia6.so"); // ALICE specific implementations
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36 new TGeant3TGeo("C++ Interface to Geant3");
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38 // Create the output file
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39 AliRunLoader* rl=0x0;
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40 rl = AliRunLoader::Open(
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41 "galice.root", AliConfig::GetDefaultEventFolderName(), "recreate");
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43 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
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46 rl->SetCompressionLevel(2);
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47 rl->SetNumberOfEventsPerFile(500);
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48 gAlice->SetRunLoader(rl);
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50 //=======================================================================
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51 // Set External decayer
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52 TVirtualMCDecayer *decayer = new AliDecayerPythia();
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53 decayer->SetForceDecay(kAll);
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55 gMC->SetExternalDecayer(decayer);
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57 //=======================================================================
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58 // ******* GEANT STEERING parameters FOR ALICE SIMULATION *******
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59 gMC->SetProcess("DCAY",1);
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60 gMC->SetProcess("PAIR",1);
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61 gMC->SetProcess("COMP",1);
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62 gMC->SetProcess("PHOT",1);
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63 gMC->SetProcess("PFIS",0);
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64 gMC->SetProcess("DRAY",0);
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65 gMC->SetProcess("ANNI",1);
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66 gMC->SetProcess("BREM",1);
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67 gMC->SetProcess("MUNU",1);
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68 gMC->SetProcess("CKOV",1);
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69 gMC->SetProcess("HADR",1);
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70 gMC->SetProcess("LOSS",2);
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71 gMC->SetProcess("MULS",1);
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72 gMC->SetProcess("RAYL",1);
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74 Float_t cut = 1.e-3; // 1MeV cut by default
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75 Float_t tofmax = 1.e10;
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77 gMC->SetCut("CUTGAM", cut);
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78 gMC->SetCut("CUTELE", cut);
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79 gMC->SetCut("CUTNEU", cut);
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80 gMC->SetCut("CUTHAD", cut);
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81 gMC->SetCut("CUTMUO", cut);
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82 gMC->SetCut("BCUTE", cut);
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83 gMC->SetCut("BCUTM", cut);
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84 gMC->SetCut("DCUTE", cut);
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85 gMC->SetCut("DCUTM", cut);
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86 gMC->SetCut("PPCUTM", cut);
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87 gMC->SetCut("TOFMAX", tofmax);
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89 //=======================================================================
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90 // ************* STEERING parameters FOR ALICE SIMULATION **************
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91 // Chamber positions
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92 // From AliMUONConstants class we get :
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93 // Position Z (along beam) of the chambers (in cm)
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94 // (from AliMUONConstants class):
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95 // 533.5, 546.5, 678.5, 693.5, 964.0, 986.0, 1251.5, 1278.5,
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96 // 1416.5, 1443.5, 1610, 1625., 1710., 1725.
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97 // Internal Radius (in cm)
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98 // 36.4, 46.2, 66.0, 80., 80., 100., 100.
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99 // External Radius (in cm)
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100 // 183., 245., 395., 560., 563., 850., 900.
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101 //=======================================================================
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103 // The internal generator, for minimum bias
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105 AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp();
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106 gener->SetPtRange(0.,1000.);
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107 gener->SetYRange(-4.,-2.4);
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108 gener->SetPhiRange(0., 360.);
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109 gener->SetOrigin(0.,0.,0.);
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110 gener->SetSigma(0.,0.,5.3);
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111 gener->SetVertexSmear(kPerEvent);
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113 // Special generator trigger conditions, etc.
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118 gener->SetMuonMultiplicity(1);
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119 gener->SetMuonPtCut(0.5);
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120 gener->SetMuonThetaRange(171.,178.);
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125 gener->SetMuonMultiplicity(2);
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126 gener->SetMuonPtCut(0.5);
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127 gener->SetMuonThetaRange(171.,178.);
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132 gener->SetMuonMultiplicity(2);
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133 gener->SetMuonPtCut(0.5);
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134 gener->SetMuonThetaRange(171.,178.);
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135 gener->SetResPolarization(0.3,0.3,0.,1.,0.,"kColSop");
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140 gener->SetMuonMultiplicity(2);
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141 gener->SetMuonPtCut(0.5);
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142 gener->SetMuonThetaRange(171.,178.);
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143 gener->SetResPolarization(-0.3,-0.3,0.,1.,0.,"kColSop");
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148 gener->SetMuonMultiplicity(2);
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149 gener->SetMuonPtCut(0.5);
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150 gener->SetMuonThetaRange(171.,178.);
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151 gener->SetResPolarization(0.,0.,0.,1.,0.,"kColSop");
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154 case pptrg2muSecret:
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156 gener->SetMuonMultiplicity(2);
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157 gener->SetMuonPtCut(0.5);
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158 gener->SetMuonThetaRange(171.,178.);
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159 gener->SetCMSEnergy(10);
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160 gener->SetSigmaReaction(0.0695);
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161 gener->SetSigmaJPsi(27.4e-6);
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162 gener->SetSigmaPsiP(6.039e-6);
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163 gener->SetSigmaUpsilon(0.855e-6);
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164 gener->SetSigmaUpsilonP(0.218e-6);
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165 gener->SetSigmaUpsilonPP(0.122e-6);
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166 gener->SetSigmaCCbar(4.5e-3);
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167 gener->SetSigmaBBbar(0.33e-3);
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168 gener->SetSigmaSilent();
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174 gener->CreateCocktail();
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176 // The external generator
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178 AliGenPythia *pythia = new AliGenPythia(1);
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179 pythia->SetProcess(kPyMb);
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180 pythia->SetStrucFunc(kCTEQ5L);
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181 pythia->SetEnergyCMS(10000.);
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182 Decay_t dt = gener->GetDecayModePythia();
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183 pythia->SetForceDecay(dt);
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184 pythia->SetPtRange(0.,1000.);
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185 pythia->SetYRange(-8.,8.);
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186 pythia->SetPhiRange(0.,360.);
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187 pythia->SetPtHard(2.76,-1.0);
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188 pythia->SwitchHFOff();
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191 gener->AddGenerator(pythia,"Pythia",1);
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194 //=============================================================
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195 // Field (L3 0.5 T) outside dimuon spectrometer
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196 AliMagF *field = new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG);
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197 TGeoGlobalMagField::Instance()->SetField(field);
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207 //=================== Alice BODY parameters =============================
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208 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
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209 //=================== ABSO parameters ============================
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210 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
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211 //=================== DIPO parameters ============================
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212 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
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213 //================== HALL parameters ============================
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214 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
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215 //================== The L3 Magnet ==============================
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216 AliMAG *MAG = new AliMAG("MAG", "L3 Magnet");
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217 //=================== PIPE parameters ============================
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218 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
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219 //=================== SHIL parameters ============================
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220 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
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221 //=================== ITS parameters =============================
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223 AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
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225 //=================== FMD parameters =============================
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227 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
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229 //=================== VZERO parameters =============================
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231 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
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234 //=================== ZDC parameters ============================
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235 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
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238 //=================== T0 parameters ============================
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239 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
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243 //=================== MUON Subsystem ===========================
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244 cout << ">>> Config.C: Creating AliMUONv1 ..."<<endl;
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246 AliMUON *MUON = new AliMUONv1("MUON","default");
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249 Float_t EtaToTheta(Float_t arg){
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250 return (180./TMath::Pi())*2.*atan(exp(-arg));
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253 void ProcessEnvironmentVars()
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256 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
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257 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
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258 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), runName[iRun])==0) {
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259 srun = (Run_t)iRun;
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260 cout<<"Run type set to "<<runName[iRun]<<endl;
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