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/AliMagWrapCheb.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"
43 #include "PHOS/AliPHOSSimParam.h"
44 #include "PMD/AliPMDv1.h"
45 #include "T0/AliT0v1.h"
46 #include "EMCAL/AliEMCALv2.h"
47 #include "ACORDE/AliACORDEv1.h"
48 #include "VZERO/AliVZEROv7.h"
54 kPythia6, kPhojet, kRunMax
57 const char * pprRunName[] = {
61 //--- Magnetic Field ---
64 kNoField, k5kG, kFieldMax
67 const char * pprField[] = {
71 //--- Embedding run ---
74 kBackground, kMerged, kSignal, kEmbRunMax
77 const char *embedRun[] = {
78 "kBackground", "kMerged", "kSignal"
83 AliGenerator *MbPythia();
84 AliGenerator *MbPhojet();
85 void ProcessEnvironmentVars();
87 // Geterator, field, beam energy
88 static PDC06Proc_t proc = kPhojet;
89 static Mag_t mag = k5kG;
90 static Float_t energy = 10000; // energy in CMS
91 static EmbedRun_t embedrun = kBackground;
92 //========================//
93 // Set Random Number seed //
94 //========================//
96 static UInt_t seed = dt.Get();
99 static TString comment;
101 Float_t EtaToTheta(Float_t arg);
107 // Get settings from environment variables
108 ProcessEnvironmentVars();
110 gRandom->SetSeed(seed);
111 cerr<<"Seed for random number generation= "<<seed<<endl;
113 // Libraries required by geant321
114 #if defined(__CINT__)
115 gSystem->Load("liblhapdf"); // Parton density functions
116 gSystem->Load("libEGPythia6"); // TGenerator interface
117 gSystem->Load("libpythia6"); // Pythia
118 gSystem->Load("libAliPythia6"); // ALICE specific implementations
119 gSystem->Load("libgeant321");
120 gSystem->Load("libTTherminator");
123 new TGeant3TGeo("C++ Interface to Geant3");
125 //=======================================================================
126 // Create the output file
129 AliRunLoader* rl=0x0;
131 cout<<"Config.C: Creating Run Loader ..."<<endl;
132 rl = AliRunLoader::Open("galice.root",
133 AliConfig::GetDefaultEventFolderName(),
137 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
140 rl->SetCompressionLevel(2);
141 rl->SetNumberOfEventsPerFile(3);
142 gAlice->SetRunLoader(rl);
145 // Set the trigger configuration
146 if ((embedrun == kBackground) || (embedrun == kMerged)) {
147 gAlice->SetTriggerDescriptor("Pb-Pb");
148 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
151 // Set the trigger configuration: proton-proton
152 gAlice->SetTriggerDescriptor("p-p");
156 // Set External decayer
157 TVirtualMCDecayer *decayer = new AliDecayerPythia();
159 decayer->SetForceDecay(kAll);
161 gMC->SetExternalDecayer(decayer);
162 //=======================================================================
163 // ************* STEERING parameters FOR ALICE SIMULATION **************
164 // --- Specify event type to be tracked through the ALICE setup
165 // --- All positions are in cm, angles in degrees, and P and E in GeV
168 gMC->SetProcess("DCAY",1);
169 gMC->SetProcess("PAIR",1);
170 gMC->SetProcess("COMP",1);
171 gMC->SetProcess("PHOT",1);
172 gMC->SetProcess("PFIS",0);
173 gMC->SetProcess("DRAY",0);
174 gMC->SetProcess("ANNI",1);
175 gMC->SetProcess("BREM",1);
176 gMC->SetProcess("MUNU",1);
177 gMC->SetProcess("CKOV",1);
178 gMC->SetProcess("HADR",1);
179 gMC->SetProcess("LOSS",2);
180 gMC->SetProcess("MULS",1);
181 gMC->SetProcess("RAYL",1);
183 Float_t cut = 1.e-3; // 1MeV cut by default
184 Float_t tofmax = 1.e10;
186 gMC->SetCut("CUTGAM", cut);
187 gMC->SetCut("CUTELE", cut);
188 gMC->SetCut("CUTNEU", cut);
189 gMC->SetCut("CUTHAD", cut);
190 gMC->SetCut("CUTMUO", cut);
191 gMC->SetCut("BCUTE", cut);
192 gMC->SetCut("BCUTM", cut);
193 gMC->SetCut("DCUTE", cut);
194 gMC->SetCut("DCUTM", cut);
195 gMC->SetCut("PPCUTM", cut);
196 gMC->SetCut("TOFMAX", tofmax);
198 //======================//
199 // Set External decayer //
200 //======================//
201 TVirtualMCDecayer* decayer = new AliDecayerPythia();
202 decayer->SetForceDecay(kAll);
204 gMC->SetExternalDecayer(decayer);
206 if ((embedrun == kMerged) || (embedrun == kSignal)) {
207 //=========================//
208 // Generator Configuration //
209 //=========================//
210 AliGenerator* gener = 0x0;
212 if (proc == kPythia6) {
214 } else if (proc == kPhojet) {
219 AliGenCocktail *gener = new AliGenCocktail();
220 gener->SetPhiRange(0, 360);
221 // Set pseudorapidity range from -8 to 8.
222 Float_t thmin = EtaToTheta(1); // theta min. <---> eta max
223 Float_t thmax = EtaToTheta(-1); // theta max. <---> eta min
224 gener->SetThetaRange(thmin,thmax);
226 AliGenTherminator *genther = new AliGenTherminator();
227 genther->SetFileName("event.out");
228 genther->SetEventNumberInFile(1);
229 genther->SetTemperature(0.145);
230 genther->SetMiuI(-0.0009);
231 genther->SetMiuS(0.000);
232 genther->SetMiuB(0.0008);
233 genther->SetAlfaRange(8.0);
234 genther->SetRapRange(4.0);
235 genther->SetRhoMax(7.74);
236 genther->SetTau(9.74);
237 genther->SetModel("Lhyquid3D");
238 genther->SetLhyquidSet("LHC500C2030");
240 gener->AddGenerator(genther, "THERMINATOR LHYQUID3D", 1);
247 gener->SetOrigin(0., 0., 0.); // vertex position
250 // Size of the interaction diamond
254 if (embedrun == kBackground) {
255 sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
258 Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
260 sigmaz = 10.5 / TMath::Sqrt(2.); // [cm]
265 Float_t betast = 10; // beta* [m]
266 Float_t eps = 3.75e-6; // emittance [m]
267 Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
268 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
269 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
271 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
272 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
273 gener->SetVertexSmear(kPerEvent);
279 AliMagWrapCheb* field = 0x0;
280 if (mag == kNoField) {
281 comment = comment.Append(" | L3 field 0.0 T");
282 field = new AliMagWrapCheb("Maps","Maps", 2, 0., 10., AliMagWrapCheb::k2kG);
283 } else if (mag == k5kG) {
284 comment = comment.Append(" | L3 field 0.5 T");
285 field = new AliMagWrapCheb("Maps","Maps", 2, 1., 10., AliMagWrapCheb::k5kG);
287 printf("\n \n Comment: %s \n \n", comment.Data());
290 gAlice->SetField(field);
317 //=================== Alice BODY parameters =============================
318 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
323 //=================== MAG parameters ============================
324 // --- Start with Magnet since detector layouts may be depending ---
325 // --- on the selected Magnet dimensions ---
326 AliMAG *MAG = new AliMAG("MAG", "Magnet");
332 //=================== ABSO parameters ============================
333 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
338 //=================== DIPO parameters ============================
340 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
345 //=================== HALL parameters ============================
347 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
353 //=================== FRAME parameters ============================
355 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
361 //=================== SHIL parameters ============================
363 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
369 //=================== PIPE parameters ============================
371 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
376 //=================== ITS parameters ============================
378 AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
383 //============================ TPC parameters =====================
385 AliTPC *TPC = new AliTPCv2("TPC", "Default");
390 //=================== TOF parameters ============================
392 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
398 //=================== HMPID parameters ===========================
400 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
407 //=================== ZDC parameters ============================
409 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
414 //=================== TRD parameters ============================
416 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
417 AliTRDgeometry *geoTRD = TRD->GetGeometry();
418 // Partial geometry: modules at 0,8,9,17
419 // starting at 3h in positive direction
420 geoTRD->SetSMstatus(1,0);
421 geoTRD->SetSMstatus(2,0);
422 geoTRD->SetSMstatus(3,0);
423 geoTRD->SetSMstatus(4,0);
424 geoTRD->SetSMstatus(5,0);
425 geoTRD->SetSMstatus(6,0);
426 geoTRD->SetSMstatus(7,0);
427 geoTRD->SetSMstatus(10,0);
428 geoTRD->SetSMstatus(11,0);
429 geoTRD->SetSMstatus(12,0);
430 geoTRD->SetSMstatus(13,0);
431 geoTRD->SetSMstatus(14,0);
432 geoTRD->SetSMstatus(15,0);
433 geoTRD->SetSMstatus(16,0);
438 //=================== FMD parameters ============================
440 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
445 //=================== MUON parameters ===========================
446 // New MUONv1 version (geometry defined via builders)
448 AliMUON *MUON = new AliMUONv1("MUON", "default");
453 //=================== PHOS parameters ===========================
455 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
456 //Set simulation parameters different from the default ones.
457 AliPHOSSimParam* simEmc = AliPHOSSimParam::GetInstance() ;
459 // APD noise of warm (+20C) PHOS:
460 // a2 = a1*(Y1/Y2)*(M1/M2), where a1 = 0.012 is APD noise at -25C,
461 // Y1 = 4.3 photo-electrons/MeV, Y2 = 1.7 p.e/MeV - light yields at -25C and +20C,
462 // M1 = 50, M2 = 50 - APD gain factors chosen for t1 = -25C and t2 = +20C,
463 // Y = MeanLightYield*APDEfficiency.
465 Float_t apdNoise = 0.012*2.5;
466 simEmc->SetAPDNoise(apdNoise);
468 //Raw Light Yield at +20C
469 simEmc->SetMeanLightYield(18800);
471 //ADC channel width at +18C.
472 simEmc->SetADCchannelW(0.0125);
478 //=================== PMD parameters ============================
480 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
485 //=================== T0 parameters ============================
486 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
491 //=================== EMCAL parameters ============================
493 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE");
498 //=================== ACORDE parameters ============================
500 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
505 //=================== ACORDE parameters ============================
507 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
514 AliGenerator* MbPythia()
516 comment = comment.Append(" pp at 14 TeV: Pythia low-pt");
519 AliGenPythia* pythia = new AliGenPythia(-1);
520 pythia->SetMomentumRange(0, 999999.);
521 pythia->SetThetaRange(0., 180.);
522 pythia->SetYRange(-12.,12.);
523 pythia->SetPtRange(0,1000.);
524 pythia->SetProcess(kPyMb);
525 pythia->SetEnergyCMS(energy);
530 AliGenerator* MbPhojet()
532 comment = comment.Append(" pp at 14 TeV: Pythia low-pt");
535 #if defined(__CINT__)
536 gSystem->Load("libdpmjet"); // Parton density functions
537 gSystem->Load("libTDPMjet"); // Parton density functions
539 AliGenDPMjet* dpmjet = new AliGenDPMjet(-1);
540 dpmjet->SetMomentumRange(0, 999999.);
541 dpmjet->SetThetaRange(0., 180.);
542 dpmjet->SetYRange(-12.,12.);
543 dpmjet->SetPtRange(0,1000.);
544 dpmjet->SetProcess(kDpmMb);
545 dpmjet->SetEnergyCMS(energy);
550 void ProcessEnvironmentVars()
553 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
554 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
555 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
556 proc = (PDC06Proc_t)iRun;
557 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
563 if (gSystem->Getenv("CONFIG_FIELD")) {
564 for (Int_t iField = 0; iField < kFieldMax; iField++) {
565 if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField])==0) {
567 cout<<"Field set to "<<pprField[iField]<<endl;
573 if (gSystem->Getenv("CONFIG_ENERGY")) {
574 energy = atoi(gSystem->Getenv("CONFIG_ENERGY"));
575 cout<<"Energy set to "<<energy<<" GeV"<<endl;
578 // Random Number seed
579 if (gSystem->Getenv("CONFIG_SEED")) {
580 seed = atoi(gSystem->Getenv("CONFIG_SEED"));
583 // Embedding job type
584 if (gSystem->Getenv("CONFIG_EMBEDDING")) {
585 for (Int_t iEmb = 0; iEmb < kEmbRunMax; iEmb++) {
586 if (strcmp(gSystem->Getenv("CONFIG_EMBEDDING"), embedRun[iEmb])==0) {
587 embedrun = (EmbedRun_t)iEmb;
588 cout<<"Embedding run set to "<<embedRun[embedrun]<<endl;
596 Float_t EtaToTheta(Float_t arg){
597 return (180./TMath::Pi())*2.*atan(exp(-arg));