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/AliITSv11.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 = kSignal;
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
132 cout<<"Config.C: Creating Run Loader ..."<<endl;
133 // rl = AliRunLoader::Open("galice.root");
134 rl = AliRunLoader::Open("galice.root",
135 AliConfig::GetDefaultEventFolderName(),
139 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
142 rl->SetCompressionLevel(2);
143 rl->SetNumberOfEventsPerFile(10000);
144 gAlice->SetRunLoader(rl);
147 // Set the trigger configuration
148 if ((embedrun == kBackground) || (embedrun == kMerged)) {
149 AliSimulation::Instance()->SetTriggerConfig("Pb-Pb");
150 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
153 // Set the trigger configuration: proton-proton
154 AliSimulation::Instance()->SetTriggerConfig("p-p");
158 // Set External decayer
159 TVirtualMCDecayer *decayer = new AliDecayerPythia();
161 decayer->SetForceDecay(kAll);
163 gMC->SetExternalDecayer(decayer);
164 //=======================================================================
165 // ************* STEERING parameters FOR ALICE SIMULATION **************
166 // --- Specify event type to be tracked through the ALICE setup
167 // --- All positions are in cm, angles in degrees, and P and E in GeV
170 gMC->SetProcess("DCAY",1);
171 gMC->SetProcess("PAIR",1);
172 gMC->SetProcess("COMP",1);
173 gMC->SetProcess("PHOT",1);
174 gMC->SetProcess("PFIS",0);
175 gMC->SetProcess("DRAY",0);
176 gMC->SetProcess("ANNI",1);
177 gMC->SetProcess("BREM",1);
178 gMC->SetProcess("MUNU",1);
179 gMC->SetProcess("CKOV",1);
180 gMC->SetProcess("HADR",1);
181 gMC->SetProcess("LOSS",2);
182 gMC->SetProcess("MULS",1);
183 gMC->SetProcess("RAYL",1);
185 Float_t cut = 1.e-3; // 1MeV cut by default
186 Float_t tofmax = 1.e10;
188 gMC->SetCut("CUTGAM", cut);
189 gMC->SetCut("CUTELE", cut);
190 gMC->SetCut("CUTNEU", cut);
191 gMC->SetCut("CUTHAD", cut);
192 gMC->SetCut("CUTMUO", cut);
193 gMC->SetCut("BCUTE", cut);
194 gMC->SetCut("BCUTM", cut);
195 gMC->SetCut("DCUTE", cut);
196 gMC->SetCut("DCUTM", cut);
197 gMC->SetCut("PPCUTM", cut);
198 gMC->SetCut("TOFMAX", tofmax);
200 //======================//
201 // Set External decayer //
202 //======================//
203 TVirtualMCDecayer* decayer = new AliDecayerPythia();
204 decayer->SetForceDecay(kAll);
206 gMC->SetExternalDecayer(decayer);
208 if ((embedrun == kMerged) || (embedrun == kSignal)) {
209 //=========================//
210 // Generator Configuration //
211 //=========================//
212 AliGenerator* gener = 0x0;
214 if (proc == kPythia6) {
216 } else if (proc == kPhojet) {
221 AliGenCocktail *gener = new AliGenCocktail();
222 gener->SetPhiRange(0, 360);
223 // Set pseudorapidity range from -8 to 8.
224 Float_t thmin = EtaToTheta(1); // theta min. <---> eta max
225 Float_t thmax = EtaToTheta(-1); // theta max. <---> eta min
226 gener->SetThetaRange(thmin,thmax);
227 gener->SetProjectile("A",208,82);
228 gener->SetTarget("A",208,82);
230 AliGenTherminator *genther = new AliGenTherminator();
231 genther->SetFileName("event.out");
232 genther->SetEventNumberInFile(1);
233 genther->SetTemperature(0.145);
234 genther->SetMiuI(-0.0009);
235 genther->SetMiuS(0.000);
236 genther->SetMiuB(0.0008);
237 genther->SetAlfaRange(8.0);
238 genther->SetRapRange(4.0);
239 genther->SetRhoMax(7.74);
240 genther->SetTau(9.74);
241 genther->SetModel("Lhyquid3D");
242 genther->SetLhyquidSet("LHC500C2030");
244 gener->AddGenerator(genther, "THERMINATOR LHYQUID3D", 1);
251 gener->SetOrigin(0., 0., 0.); // vertex position
254 // Size of the interaction diamond
258 if (embedrun == kBackground) {
259 sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
262 Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
264 sigmaz = 10.5 / TMath::Sqrt(2.); // [cm]
269 Float_t betast = 10; // beta* [m]
270 Float_t eps = 3.75e-6; // emittance [m]
271 Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
272 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
273 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
275 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
276 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
277 gener->SetVertexSmear(kPerEvent);
285 // AliMagF* field = 0x0;
286 if (mag == kNoField) {
287 comment = comment.Append(" | L3 field 0.0 T");
288 TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 0., 0., AliMagF::k5kGUniform));
289 } else if (mag == k5kG) {
290 comment = comment.Append(" | L3 field 0.5 T");
291 TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG));
293 printf("\n \n Comment: %s \n \n", comment.Data());
294 // TGeoGlobalMagField::Instance()->SetField(field);
321 //=================== Alice BODY parameters =============================
322 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
327 //=================== MAG parameters ============================
328 // --- Start with Magnet since detector layouts may be depending ---
329 // --- on the selected Magnet dimensions ---
330 AliMAG *MAG = new AliMAG("MAG", "Magnet");
336 //=================== ABSO parameters ============================
337 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
342 //=================== DIPO parameters ============================
344 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
349 //=================== HALL parameters ============================
351 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
357 //=================== FRAME parameters ============================
359 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
365 //=================== SHIL parameters ============================
367 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
373 //=================== PIPE parameters ============================
375 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
380 //=================== ITS parameters ============================
382 AliITS *ITS = new AliITSv11("ITS","ITS v11");
387 //============================ TPC parameters =====================
389 AliTPC *TPC = new AliTPCv2("TPC", "Default");
394 //=================== TOF parameters ============================
396 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
402 //=================== HMPID parameters ===========================
404 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
411 //=================== ZDC parameters ============================
413 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
418 //=================== TRD parameters ============================
420 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
425 //=================== FMD parameters ============================
427 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
432 //=================== MUON parameters ===========================
433 // New MUONv1 version (geometry defined via builders)
435 AliMUON *MUON = new AliMUONv1("MUON", "default");
440 //=================== PHOS parameters ===========================
441 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
447 //=================== PMD parameters ============================
449 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
454 //=================== T0 parameters ============================
455 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
460 //=================== EMCAL parameters ============================
462 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETEV1");
467 //=================== ACORDE parameters ============================
469 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
474 //=================== ACORDE parameters ============================
476 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
483 AliGenerator* MbPythia()
485 comment = comment.Append(" pp at 14 TeV: Pythia low-pt");
488 AliGenPythia* pythia = new AliGenPythia(-1);
489 pythia->SetMomentumRange(0, 999999.);
490 pythia->SetThetaRange(0., 180.);
491 pythia->SetYRange(-12.,12.);
492 pythia->SetPtRange(0,1000.);
493 pythia->SetProcess(kPyMb);
494 pythia->SetEnergyCMS(energy);
499 AliGenerator* MbPhojet()
501 comment = comment.Append(" pp at 14 TeV: Pythia low-pt");
504 #if defined(__CINT__)
506 gSystem->Load("libdpmjet"); // Parton density functions
507 gSystem->Load("libTDPMjet"); // Parton density functions
509 AliGenDPMjet* dpmjet = new AliGenDPMjet(-1);
510 dpmjet->SetMomentumRange(0, 999999.);
511 dpmjet->SetThetaRange(0., 180.);
512 dpmjet->SetYRange(-12.,12.);
513 dpmjet->SetPtRange(0,1000.);
514 dpmjet->SetProcess(kDpmMb);
515 dpmjet->SetEnergyCMS(energy);
520 void ProcessEnvironmentVars()
523 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
524 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
525 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
526 proc = (PDC06Proc_t)iRun;
527 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
533 if (gSystem->Getenv("CONFIG_FIELD")) {
534 for (Int_t iField = 0; iField < kFieldMax; iField++) {
535 if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField])==0) {
537 cout<<"Field set to "<<pprField[iField]<<endl;
543 if (gSystem->Getenv("CONFIG_ENERGY")) {
544 energy = atoi(gSystem->Getenv("CONFIG_ENERGY"));
545 cout<<"Energy set to "<<energy<<" GeV"<<endl;
548 // Random Number seed
549 if (gSystem->Getenv("CONFIG_SEED")) {
550 seed = atoi(gSystem->Getenv("CONFIG_SEED"));
553 // Embedding job type
554 if (gSystem->Getenv("CONFIG_EMBEDDING")) {
555 for (Int_t iEmb = 0; iEmb < kEmbRunMax; iEmb++) {
556 if (strcmp(gSystem->Getenv("CONFIG_EMBEDDING"), embedRun[iEmb])==0) {
557 embedrun = (EmbedRun_t)iEmb;
558 cout<<"Embedding run set to "<<embedRun[embedrun]<<endl;
566 Float_t EtaToTheta(Float_t arg){
567 return (180./TMath::Pi())*2.*atan(exp(-arg));