2 // Configuration for the first physics production 2008
5 // One can use the configuration macro in compiled mode by
6 // root [0] gSystem->Load("libgeant321");
7 // root [0] gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include\
8 // -I$ALICE_ROOT -I$ALICE/geant3/TGeant3");
9 // root [0] .x grun.C(1,"Config.C++")
11 #if !defined(__CINT__) || defined(__MAKECINT__)
12 #include <Riostream.h>
16 #include <TVirtualMC.h>
17 #include <TGeant3TGeo.h>
18 #include "STEER/AliRunLoader.h"
19 #include "STEER/AliRun.h"
20 #include "STEER/AliConfig.h"
21 #include "PYTHIA6/AliDecayerPythia.h"
22 #include "PYTHIA6/AliGenPythia.h"
23 #include "TDPMjet/AliGenDPMjet.h"
24 #include "STEER/AliMagF.h"
25 #include "STRUCT/AliBODY.h"
26 #include "STRUCT/AliMAG.h"
27 #include "STRUCT/AliABSOv3.h"
28 #include "STRUCT/AliDIPOv3.h"
29 #include "STRUCT/AliHALLv3.h"
30 #include "STRUCT/AliFRAMEv2.h"
31 #include "STRUCT/AliSHILv3.h"
32 #include "STRUCT/AliPIPEv3.h"
33 #include "ITS/AliITSv11Hybrid.h"
34 #include "TPC/AliTPCv2.h"
35 #include "TOF/AliTOFv6T0.h"
36 #include "HMPID/AliHMPIDv3.h"
37 #include "ZDC/AliZDCv3.h"
38 #include "TRD/AliTRDv1.h"
39 #include "TRD/AliTRDgeometry.h"
40 #include "FMD/AliFMDv1.h"
41 #include "MUON/AliMUONv1.h"
42 #include "PHOS/AliPHOSv1.h"
44 #include "PHOS/AliPHOSv1.h"
45 #include "PMD/AliPMDv1.h"
46 #include "T0/AliT0v1.h"
47 #include "EMCAL/AliEMCALv2.h"
48 #include "ACORDE/AliACORDEv1.h"
49 #include "VZERO/AliVZEROv7.h"
55 kPythia6, kPhojet, kRunMax
58 const char * pprRunName[] = {
62 //--- Magnetic Field ---
65 kNoField, k5kG, kFieldMax
68 const char * pprField[] = {
72 //--- Embedding run ---
75 kBackground, kMerged, kSignal, kEmbRunMax
78 const char *embedRun[] = {
79 "kBackground", "kMerged", "kSignal"
84 AliGenerator *MbPythia();
85 AliGenerator *MbPhojet();
86 void ProcessEnvironmentVars();
88 // Geterator, field, beam energy
89 static PDC06Proc_t proc = kPhojet;
90 static Mag_t mag = k5kG;
91 static Float_t energy = 10000; // energy in CMS
92 static EmbedRun_t embedrun = kBackground;
93 //========================//
94 // Set Random Number seed //
95 //========================//
97 static UInt_t seed = dt.Get();
100 static TString comment;
102 Float_t EtaToTheta(Float_t arg);
108 // Get settings from environment variables
109 ProcessEnvironmentVars();
111 gRandom->SetSeed(seed);
112 cerr<<"Seed for random number generation= "<<seed<<endl;
114 // Libraries required by geant321
115 #if defined(__CINT__)
116 gSystem->Load("liblhapdf"); // Parton density functions
117 gSystem->Load("libEGPythia6"); // TGenerator interface
118 gSystem->Load("libpythia6"); // Pythia
119 gSystem->Load("libAliPythia6"); // ALICE specific implementations
120 gSystem->Load("libgeant321");
121 gSystem->Load("libTTherminator");
124 new TGeant3TGeo("C++ Interface to Geant3");
126 //=======================================================================
127 // Create the output file
130 AliRunLoader* rl=0x0;
132 cout<<"Config.C: Creating Run Loader ..."<<endl;
133 rl = AliRunLoader::Open("galice.root",
134 AliConfig::GetDefaultEventFolderName(),
138 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
141 rl->SetCompressionLevel(2);
142 rl->SetNumberOfEventsPerFile(3);
143 gAlice->SetRunLoader(rl);
146 // Set the trigger configuration
147 if ((embedrun == kBackground) || (embedrun == kMerged)) {
148 AliSimulation::Instance()->SetTriggerConfig("Pb-Pb");
149 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
152 // Set the trigger configuration: proton-proton
153 AliSimulation::Instance()->SetTriggerConfig("p-p");
157 // Set External decayer
158 TVirtualMCDecayer *decayer = new AliDecayerPythia();
160 decayer->SetForceDecay(kAll);
162 gMC->SetExternalDecayer(decayer);
163 //=======================================================================
164 // ************* STEERING parameters FOR ALICE SIMULATION **************
165 // --- Specify event type to be tracked through the ALICE setup
166 // --- All positions are in cm, angles in degrees, and P and E in GeV
169 gMC->SetProcess("DCAY",1);
170 gMC->SetProcess("PAIR",1);
171 gMC->SetProcess("COMP",1);
172 gMC->SetProcess("PHOT",1);
173 gMC->SetProcess("PFIS",0);
174 gMC->SetProcess("DRAY",0);
175 gMC->SetProcess("ANNI",1);
176 gMC->SetProcess("BREM",1);
177 gMC->SetProcess("MUNU",1);
178 gMC->SetProcess("CKOV",1);
179 gMC->SetProcess("HADR",1);
180 gMC->SetProcess("LOSS",2);
181 gMC->SetProcess("MULS",1);
182 gMC->SetProcess("RAYL",1);
184 Float_t cut = 1.e-3; // 1MeV cut by default
185 Float_t tofmax = 1.e10;
187 gMC->SetCut("CUTGAM", cut);
188 gMC->SetCut("CUTELE", cut);
189 gMC->SetCut("CUTNEU", cut);
190 gMC->SetCut("CUTHAD", cut);
191 gMC->SetCut("CUTMUO", cut);
192 gMC->SetCut("BCUTE", cut);
193 gMC->SetCut("BCUTM", cut);
194 gMC->SetCut("DCUTE", cut);
195 gMC->SetCut("DCUTM", cut);
196 gMC->SetCut("PPCUTM", cut);
197 gMC->SetCut("TOFMAX", tofmax);
199 //======================//
200 // Set External decayer //
201 //======================//
202 TVirtualMCDecayer* decayer = new AliDecayerPythia();
203 decayer->SetForceDecay(kAll);
205 gMC->SetExternalDecayer(decayer);
207 if ((embedrun == kMerged) || (embedrun == kSignal)) {
208 //=========================//
209 // Generator Configuration //
210 //=========================//
211 AliGenerator* gener = 0x0;
213 if (proc == kPythia6) {
215 } else if (proc == kPhojet) {
220 AliGenCocktail *gener = new AliGenCocktail();
221 gener->SetPhiRange(0, 360);
222 // Set pseudorapidity range from -8 to 8.
223 Float_t thmin = EtaToTheta(1); // theta min. <---> eta max
224 Float_t thmax = EtaToTheta(-1); // theta max. <---> eta min
225 gener->SetThetaRange(thmin,thmax);
226 gener->SetProjectile("A",208,82);
227 gener->SetTarget("A",208,82);
229 AliGenTherminator *genther = new AliGenTherminator();
230 genther->SetFileName("event.out");
231 genther->SetEventNumberInFile(1);
232 genther->SetTemperature(0.145);
233 genther->SetMiuI(-0.0009);
234 genther->SetMiuS(0.000);
235 genther->SetMiuB(0.0008);
236 genther->SetAlfaRange(8.0);
237 genther->SetRapRange(4.0);
238 genther->SetRhoMax(7.74);
239 genther->SetTau(9.74);
240 genther->SetModel("Lhyquid3D");
241 genther->SetLhyquidSet("LHC500C2030");
243 gener->AddGenerator(genther, "THERMINATOR LHYQUID3D", 1);
250 gener->SetOrigin(0., 0., 0.); // vertex position
253 // Size of the interaction diamond
257 if (embedrun == kBackground) {
258 sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
261 Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
263 sigmaz = 10.5 / TMath::Sqrt(2.); // [cm]
268 Float_t betast = 10; // beta* [m]
269 Float_t eps = 3.75e-6; // emittance [m]
270 Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
271 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
272 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
274 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
275 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
276 gener->SetVertexSmear(kPerEvent);
284 // AliMagF* field = 0x0;
285 if (mag == kNoField) {
286 comment = comment.Append(" | L3 field 0.0 T");
287 TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 0., 0., AliMagF::k5kGUniform));
288 } else if (mag == k5kG) {
289 comment = comment.Append(" | L3 field 0.5 T");
290 TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG));
292 printf("\n \n Comment: %s \n \n", comment.Data());
293 // TGeoGlobalMagField::Instance()->SetField(field);
320 //=================== Alice BODY parameters =============================
321 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
326 //=================== MAG parameters ============================
327 // --- Start with Magnet since detector layouts may be depending ---
328 // --- on the selected Magnet dimensions ---
329 AliMAG *MAG = new AliMAG("MAG", "Magnet");
335 //=================== ABSO parameters ============================
336 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
341 //=================== DIPO parameters ============================
343 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
348 //=================== HALL parameters ============================
350 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
356 //=================== FRAME parameters ============================
358 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
364 //=================== SHIL parameters ============================
366 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
372 //=================== PIPE parameters ============================
374 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
379 //=================== ITS parameters ============================
381 AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
386 //============================ TPC parameters =====================
388 AliTPC *TPC = new AliTPCv2("TPC", "Default");
393 //=================== TOF parameters ============================
395 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
401 //=================== HMPID parameters ===========================
403 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
410 //=================== ZDC parameters ============================
412 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
417 //=================== TRD parameters ============================
419 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
424 //=================== FMD parameters ============================
426 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
431 //=================== MUON parameters ===========================
432 // New MUONv1 version (geometry defined via builders)
434 AliMUON *MUON = new AliMUONv1("MUON", "default");
439 //=================== PHOS parameters ===========================
440 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
446 //=================== PMD parameters ============================
448 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
453 //=================== T0 parameters ============================
454 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
459 //=================== EMCAL parameters ============================
461 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETEV1");
466 //=================== ACORDE parameters ============================
468 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
473 //=================== ACORDE parameters ============================
475 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
482 AliGenerator* MbPythia()
484 comment = comment.Append(" pp at 14 TeV: Pythia low-pt");
487 AliGenPythia* pythia = new AliGenPythia(-1);
488 pythia->SetMomentumRange(0, 999999.);
489 pythia->SetThetaRange(0., 180.);
490 pythia->SetYRange(-12.,12.);
491 pythia->SetPtRange(0,1000.);
492 pythia->SetProcess(kPyMb);
493 pythia->SetEnergyCMS(energy);
498 AliGenerator* MbPhojet()
500 comment = comment.Append(" pp at 14 TeV: Pythia low-pt");
503 #if defined(__CINT__)
505 gSystem->Load("libdpmjet"); // Parton density functions
506 gSystem->Load("libTDPMjet"); // Parton density functions
508 AliGenDPMjet* dpmjet = new AliGenDPMjet(-1);
509 dpmjet->SetMomentumRange(0, 999999.);
510 dpmjet->SetThetaRange(0., 180.);
511 dpmjet->SetYRange(-12.,12.);
512 dpmjet->SetPtRange(0,1000.);
513 dpmjet->SetProcess(kDpmMb);
514 dpmjet->SetEnergyCMS(energy);
519 void ProcessEnvironmentVars()
522 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
523 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
524 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
525 proc = (PDC06Proc_t)iRun;
526 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
532 if (gSystem->Getenv("CONFIG_FIELD")) {
533 for (Int_t iField = 0; iField < kFieldMax; iField++) {
534 if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField])==0) {
536 cout<<"Field set to "<<pprField[iField]<<endl;
542 if (gSystem->Getenv("CONFIG_ENERGY")) {
543 energy = atoi(gSystem->Getenv("CONFIG_ENERGY"));
544 cout<<"Energy set to "<<energy<<" GeV"<<endl;
547 // Random Number seed
548 if (gSystem->Getenv("CONFIG_SEED")) {
549 seed = atoi(gSystem->Getenv("CONFIG_SEED"));
552 // Embedding job type
553 if (gSystem->Getenv("CONFIG_EMBEDDING")) {
554 for (Int_t iEmb = 0; iEmb < kEmbRunMax; iEmb++) {
555 if (strcmp(gSystem->Getenv("CONFIG_EMBEDDING"), embedRun[iEmb])==0) {
556 embedrun = (EmbedRun_t)iEmb;
557 cout<<"Embedding run set to "<<embedRun[embedrun]<<endl;
565 Float_t EtaToTheta(Float_t arg){
566 return (180./TMath::Pi())*2.*atan(exp(-arg));