1 #if !defined(__CINT__) || defined(__MAKECINT__)
6 #include <TVirtualMC.h>
7 #include <TGeant3TGeo.h>
8 #include "AliRunLoader.h"
10 #include "AliConfig.h"
11 #include "AliDecayerPythia.h"
12 #include "AliGenPythia.h"
13 #include "AliGenDPMjet.h"
14 #include "AliMagFCheb.h"
17 #include "AliABSOv3.h"
18 #include "AliDIPOv3.h"
19 #include "AliHALLv3.h"
20 #include "AliFRAMEv2.h"
21 #include "AliSHILv3.h"
22 #include "AliPIPEv3.h"
23 #include "AliPIPEv4.h"
24 #include "AliITSv11.h"
26 #include "AliTOFv6T0.h"
27 #include "AliHMPIDv3.h"
30 #include "AliTRDgeometry.h"
32 #include "AliMUONv1.h"
33 #include "AliPHOSv1.h"
34 #include "AliPHOSSimParam.h"
37 #include "AliEMCALv2.h"
38 #include "AliACORDEv1.h"
39 #include "AliVZEROv7.h"
43 enum PDCProc_t {kGenBox,
50 kPythiaPerugia0Jpsi2mu,
51 kPythiaPerugia0BtoJpsi2mu,
57 const Char_t* pprRunName[] = {"kGenBox",
64 "kPythiaPerugia0Jpsi2mu",
65 "kPythiaPerugia0BtoJpsi2mu",
68 "kHijing2500Cocktail",
71 enum Mag_t { kNoField, k5kG, kFieldMax };
73 const Char_t* pprField[] = { "kNoField", "k5kG", "kFieldMax" };
77 // ----------------------- Generator, field, beam energy,... ------------------------------------------------------------
78 static PDCProc_t proc = kGenParamJpsi;
79 static PDCProc_t signal = kGenParamJpsi; // only in case kHijing2500Cocktail is the proc
80 static Mag_t mag = k5kG;
81 static Float_t energy = 5500.; // energy in CMS
82 static Float_t bMin = 0.;
83 static Float_t bMax = = 5.; // 0-5 fm corresponds to around 0-10% (see https://twiki.cern.ch/twiki/bin/viewauth/ALICE/CentStudies#Tables_with_centrality_bins_for)
84 static Double_t JpsiPol = 0; // Jpsi polarisation
85 static Bool_t JpsiHarderPt = kFALSE; // Jpsi harder pt spectrum (8.8 TeV)
86 // ----------------------------------------------------------------------------------------------------------------------
88 static TString comment;
90 //====================================================================================================================================================
94 // AliLog::SetClassDebugLevel("AliMFT", 1);
98 new TGeant3TGeo("C++ Interface to Geant3");
100 // Create the output file
102 AliRunLoader* rl=0x0;
104 printf("Config.C: Creating Run Loader ...");
105 rl = AliRunLoader::Open("galice.root", AliConfig::GetDefaultEventFolderName(), "recreate");
107 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
110 rl->SetCompressionLevel(2);
111 rl->SetNumberOfEventsPerFile(1000);
112 gAlice->SetRunLoader(rl);
114 // ************* STEERING parameters FOR ALICE SIMULATION **************
115 // --- Specify event type to be tracked through the ALICE setup
116 // --- All positions are in cm, angles in degrees, and P and E in GeV
118 gMC->SetProcess("DCAY",1);
119 gMC->SetProcess("PAIR",1);
120 gMC->SetProcess("COMP",1);
121 gMC->SetProcess("PHOT",1);
122 gMC->SetProcess("PFIS",0);
123 gMC->SetProcess("DRAY",0);
124 gMC->SetProcess("ANNI",1);
125 gMC->SetProcess("BREM",1);
126 gMC->SetProcess("MUNU",1);
127 gMC->SetProcess("CKOV",1);
128 gMC->SetProcess("HADR",1);
129 gMC->SetProcess("LOSS",2);
130 gMC->SetProcess("MULS",1);
131 gMC->SetProcess("RAYL",1);
133 Float_t cut = 1.e-3; // 1MeV cut by default
134 Float_t tofmax = 1.e10;
136 gMC->SetCut("CUTGAM", cut);
137 gMC->SetCut("CUTELE", cut);
138 gMC->SetCut("CUTNEU", cut);
139 gMC->SetCut("CUTHAD", cut);
140 gMC->SetCut("CUTMUO", cut);
141 gMC->SetCut("BCUTE", cut);
142 gMC->SetCut("BCUTM", cut);
143 gMC->SetCut("DCUTE", cut);
144 gMC->SetCut("DCUTM", cut);
145 gMC->SetCut("PPCUTM", cut);
146 gMC->SetCut("TOFMAX", tofmax);
148 TVirtualMCDecayer *decayer = new AliDecayerPythia();
149 decayer->SetForceDecay(kAll);
151 gMC->SetExternalDecayer(decayer);
154 AliGenerator* gener = 0x0;
155 if (proc == kPythia6) gener = MbPythia();
156 else if (proc == kPythiaPerugia0) gener = MbPythiaTunePerugia0();
157 else if (proc == kHijing) gener = Hijing();
158 else if (proc == kHijing2500) gener = Hijing2500();
159 else if (proc == kHijing2500Cocktail) gener = Hijing2500Cocktail();
160 else if (proc == kGenBox) gener = GenBox();
161 else if (proc == kGenMuonLMR) gener = GenMuonLMR();
162 else if (proc == kGenParamJpsi) gener = GenParamJpsi();
163 else if (proc == kGenCorrHF) gener = GenCorrHF();
164 else if (proc == kGenPionKaon) gener = GenParamPionKaon();
165 else if (proc == kPythiaPerugia0BtoJpsi2mu) gener = MbPythiaTunePerugia0BtoJpsi2mu();
166 else if (proc == kCocktailSignals) gener = CocktailSignals();
168 // Size of the interaction diamond
169 Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
170 Float_t betast = 3.5; // beta* [m]
171 Float_t eps = 3.75e-6; // emittance [m]
172 Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
173 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
175 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
177 gener->SetOrigin(0,0,0);
178 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
179 gener->SetVertexSmear(kPerEvent);
182 printf("\n \n Comment: %s \n \n", comment.Data());
184 // TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG, AliMagF::kBeamTypeAA, 2750.));
185 TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG, AliMagF::kBeamTypepp, 7000.));
215 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
217 if (iMAG) AliMAG *MAG = new AliMAG("MAG", "Magnet");
218 if (iABSO) AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
219 if (iDIPO) AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
220 if (iHALL) AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
221 if (iSHIL) AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
222 if (iITS) gROOT->ProcessLine(".x $ALICE_ROOT/ITS/UPGRADE/testITSU/CreateITSU.C");
223 if (iTPC) AliTPC *TPC = new AliTPCv2("TPC", "Default");
224 if (iTOF) AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
225 if (iHMPID) AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
226 if (iFMD) AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
227 if (iPHOS) AliPHOS *PHOS = new AliPHOSv1("PHOS", "noCPV_Modules123");
228 if (iPMD) AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
229 if (iT0) AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
230 if (iEMCAL) AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_FIRSTYEARV1");
231 if (iACORDE) AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
232 if (iVZERO) AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
234 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
238 // AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
239 AliPIPE *PIPE = new AliPIPEv4("PIPE", "Beam Pipe");
242 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
243 ZDC->SetSpectatorsTrack();
244 ZDC->SetLumiLength(0.);
247 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
250 AliMUON *MUON = new AliMUONv1("MUON", "default");
251 MUON->SetTriggerEffCells(1); // not needed if raw masks
252 Char_t* digitstore="AliMUONDigitStoreV2S";
253 MUON->SetDigitStoreClassName(digitstore);
256 AliMFT *MFT = new AliMFT("MFT", "normal MFT");
259 TIter next(gAlice->Modules());
261 printf("gAlice->Modules:\n");
262 while((detector = (AliModule*)next())) printf("%s\n",detector->GetName());
266 //====================================================================================================================================================
268 AliGenerator* GenBox() {
270 AliGenBox *gener = new AliGenBox(10);
271 gener->SetMomentumRange(4, 50);
272 gener->SetPhiRange(0., 360.);
273 gener->SetThetaRange(170.0,178.0);
274 Bool_t isMuPlus = gRandom->Integer(2);
275 if (isMuPlus) gener->SetPart(kMuonPlus); // Muons
276 else gener->SetPart(kMuonMinus); // Muons
282 //====================================================================================================================================================
284 AliGenerator* GenMuonLMR() {
286 AliGenMUONLMR *gener = new AliGenMUONLMR();
287 gener->SetMomentumRange(0,999);
288 gener->SetPtRange(0,100.);
289 gener->SetYRange(-4.5, -2.0);
290 gener->SetChildThetaRange(171.0,178.0);
291 gener->SetChildMomentumRange(4.0, 999.);
292 enum {kEta2Body, kEtaDalitz, kRho2Body, kOmega2Body, kOmegaDalitz, kPhi2Body, kEtaPrimeDalitz, kPionLMR, kKaonLMR};
293 gener->GenerateSingleProcess(kOmega2Body, 10);
294 gener->SetCutOnChild(1);
300 //====================================================================================================================================================
302 AliGenerator* GenParamJpsi() {
304 AliGenParam *gener = new AliGenParam(5, AliGenMUONlib::kJpsi);
305 gener->SetMomentumRange(0,999);
306 gener->SetPtRange(0,100.);
307 gener->SetYRange(-4.0, -2.5);
308 gener->SetPhiRange(0., 360.);
309 gener->SetChildThetaRange(171.0,177.0);
310 gener->SetChildMomentumRange(4.0, 999.);
311 gener->SetForceDecay(kDiMuon);
312 gener->SetTrackingFlag(1);
313 gener->SetCutOnChild(1);
319 //====================================================================================================================================================
321 AliGenerator* GenParamPionKaon() {
323 AliGenParamPionsKaons *gener = new AliGenParamPionsKaons(100,"$ALICE_ROOT/MFT/PionKaonKinematics.root");
324 gener->SetPtRange(0, 5.);
325 gener->SetPhiRange(0., 360.);
326 gener->SetYRange(-10., 0.);
327 // gener->SetCutOnChild(1);
333 //====================================================================================================================================================
335 AliGenerator* GenCorrHF() {
337 AliGenCorrHF *gener = new AliGenCorrHF(1, 4, 6); // for charm, 1 pair per event
338 // AliGenCorrHF *gener = new AliGenCorrHF(1, 5, 6); // for beauty, 1 pair per event
340 gener->SetMomentumRange(0,9999);
341 gener->SetCutOnChild(1); // 1/0 means cuts on children enable/disable
342 gener->SetChildThetaRange(171.0,178.0);
343 gener->SetChildMomentumRange(4.0, 999.);
344 gener->SetForceDecay(kSemiMuonic);
345 gener->SetTrackingFlag(1);
352 //====================================================================================================================================================
354 AliGenerator* MbPythia() {
356 comment = comment.Append(" pp: Pythia low-pt");
359 AliGenPythia* pythia = new AliGenPythia(-1);
360 pythia->SetMomentumRange(0, 999999.);
361 // pythia->SetThetaRange(0., 180.);
362 // pythia->SetChildYRange(-12.,0.);
363 // pythia->SetPtRange(0,1000.);
364 // pythia->SetCutOnChild(1);
365 pythia->SetProcess(kPyMb);
366 pythia->SetEnergyCMS(energy);
367 pythia->SetForceDecay(kSemiMuonic);
372 //====================================================================================================================================================
374 AliGenerator* MbPythiaTunePerugia0() {
376 comment = comment.Append(" pp: Pythia low-pt (Perugia0)");
379 AliGenPythia* pythia = new AliGenPythia(-1);
380 pythia->SetMomentumRange(0, 999999.);
381 pythia->SetThetaRange(0., 180.);
382 pythia->SetYRange(-12.,12.);
383 pythia->SetPtRange(0,1000.);
384 pythia->SetProcess(kPyMb);
385 pythia->SetEnergyCMS(energy);
388 pythia->SetTune(320);
389 pythia->UseNewMultipleInteractionsScenario();
394 //====================================================================================================================================================
396 AliGenerator* MbPythiaTunePerugia0Jpsi2mu() {
398 comment = comment.Append("Jpsi forced to dimuons");
399 AliGenParam *jpsi=0x0;
400 if (JpsiHarderPt) jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF pp 8.8", "Jpsi"); // 8.8 TeV
401 else jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF pp 7", "Jpsi"); // 7 TeV
402 jpsi->SetPtRange(0.,999.);
403 jpsi->SetYRange(-1.0, 1.0);
404 jpsi->SetPhiRange(0.,360.);
405 jpsi->SetForceDecay(kDiMuon);
410 //====================================================================================================================================================
412 AliGenerator* MbPythiaTunePerugia0BtoJpsi2mu() {
414 comment = comment.Append(" pp: Pythia (Perugia0) BtoJpsi (1 bbbar per event, 1 b-hadron, 1 J/psi");
417 AliGenPythia* pythia = new AliGenPythia(-1);
418 pythia->SetMomentumRange(0, 999999.);
419 pythia->SetYRange(-4.5, -2.0);
420 pythia->SetPtRange(0,1000.);
421 pythia->SetProcess(kPyBeautyppMNRwmi);
422 pythia->SetEnergyCMS(energy);
425 pythia->SetTune(320);
426 pythia->UseNewMultipleInteractionsScenario();
429 pythia->SetCutOnChild(1);
430 pythia->SetPdgCodeParticleforAcceptanceCut(443);
431 pythia->SetChildYRange(-4.5, -2.0);
432 pythia->SetChildPtRange(0,10000.);
435 pythia->SetForceDecay(kBJpsiDiMuon);
441 //====================================================================================================================================================
443 AliGenerator* HijingParam() {
445 AliGenHIJINGpara *gener = new AliGenHIJINGpara(2000);
446 gener->SetMomentumRange(0,999);
447 gener->SetPhiRange(0,360);
448 gener->SetThetaRange(171, 179);
455 //====================================================================================================================================================
457 AliGenerator* Hijing() {
459 AliGenHijing *gener = new AliGenHijing(-1);
460 // centre of mass energy
461 gener->SetEnergyCMS(energy);
462 gener->SetImpactParameterRange(bMin, bMax);
464 gener->SetReferenceFrame("CMS");
466 gener->SetProjectile("A", 208, 82);
467 gener->SetTarget ("A", 208, 82);
468 // tell hijing to keep the full parent child chain
469 gener->KeepFullEvent();
470 // enable jet quenching
471 gener->SetJetQuenching(1);
473 gener->SetShadowing(1);
474 // Don't track spectators
475 gener->SetSpectators(0);
476 // kinematic selection
477 gener->SetSelectAll(0);
481 //====================================================================================================================================================
483 AliGenerator* Hijing2500() {
485 AliGenHijing *gener = (AliGenHijing*) Hijing();
486 gener->SetJetQuenching(0);
487 gener->SetPtHardMin (4.5);
492 //====================================================================================================================================================
494 AliGenerator* Hijing2500Cocktail() {
496 comment = comment.Append(" PbPb: Hjing2500 at 5.5 + muon signals");
498 AliGenCocktail *cocktail = new AliGenCocktail();
499 cocktail->SetProjectile("A", 208, 82);
500 cocktail->SetTarget ("A", 208, 82);
501 cocktail->SetEnergyCMS(energy);
503 // 1 Hijing event: provides underlying event and collision geometry
504 AliGenHijing *hijing = Hijing2500();
505 cocktail->AddGenerator(hijing,"hijing",1);
507 // generator for the custom signal
508 AliGenerator* signalGen = 0x0;
511 signalGen = GenBox();
514 signalGen = GenMuonLMR();
517 signalGen = GenCorrHF();
520 signalGen = GenBox();
523 cocktail->AddGenerator(signalGen, "signal", 1);
525 cocktail->SetTrackingFlag(1);
531 //====================================================================================================================================================
533 AliGenerator* CocktailSignals() {
535 comment = comment.Append("Cocktail of various signals");
537 AliGenCocktail *cocktail = new AliGenCocktail();
539 // 1) Dummy generation of positive pions, to keep memory of the production vertex
540 AliGenBox *dummyPionPos = new AliGenBox(20);
541 dummyPionPos->SetYRange(-0.5, 0.5);
542 dummyPionPos->SetPtRange(1., 10.);
543 dummyPionPos->SetPart(211);
544 cocktail->AddGenerator(dummyPionPos,"dummyPionPos",1);
546 // 2) Dummy generation of negative pions, to keep memory of the production vertex
547 AliGenBox *dummyPionNeg = new AliGenBox(20);
548 dummyPionNeg->SetYRange(-0.5, 0.5);
549 dummyPionNeg->SetPtRange(1., 10.);
550 dummyPionNeg->SetPart(-211);
551 cocktail->AddGenerator(dummyPionNeg,"dummyPionNeg",1);
553 // 3) Generator for the custom signal
554 AliGenerator* signalGen = 0x0;
555 if (signal == kPythia6) signalGen = MbPythia();
556 else if (signal == kPythiaPerugia0) signalGen = MbPythiaTunePerugia0();
557 else if (signal == kHijing) signalGen = Hijing();
558 else if (signal == kHijing2500) signalGen = Hijing2500();
559 else if (signal == kGenBox) signalGen = GenBox();
560 else if (signal == kGenMuonLMR) signalGen = GenMuonLMR();
561 else if (signal == kGenParamJpsi) signalGen = GenParamJpsi();
562 else if (signal == kGenCorrHF) signalGen = GenCorrHF();
563 else if (signal == kGenPionKaon) signalGen = GenParamPionKaon();
564 else if (signal == kPythiaPerugia0BtoJpsi2mu) signalGen = MbPythiaTunePerugia0BtoJpsi2mu();
565 cocktail->AddGenerator(signalGen, "signal", 1);
567 cocktail->SetTrackingFlag(1);
573 //====================================================================================================================================================
575 AliGenerator* QEDGeneratorPbPb() {
577 AliGenEpEmv1 *generQED = new AliGenEpEmv1();
578 generQED->SetEnergyCMS(energy);
579 generQED->SetProjectile("A", 208, 82);
580 generQED->SetTarget ("A", 208, 82);
581 generQED->SetYRange(-8.5, 0.);
582 generQED->SetPtRange(0.4e-3, 1.0); // Set pt limits (GeV) for e+-
583 generQED->SetDebug(0); // Set debug level (0 = silent)
587 //====================================================================================================================================================
591 #if defined(__CINT__)
593 gSystem->Load("liblhapdf"); // Parton density functions
594 gSystem->Load("libEGPythia6"); // TGenerator interface
595 if (proc == kPythia6) {
596 gSystem->Load("libpythia6"); // Pythia 6.2
597 gSystem->Load("libAliPythia6"); // ALICE specific implementations
600 gSystem->Load("libpythia6.4.21"); // Pythia 6.4
601 gSystem->Load("libAliPythia6"); // ALICE specific implementations
604 if (proc == kHijing || proc == kHijing2500 || proc == kHijing2500Cocktail) {
605 gSystem->Load("libhijing");
606 gSystem->Load("libTHijing");
609 gSystem->Load("libgeant321");
611 gSystem->Load("libITSUpgradeBase.so");
612 gSystem->Load("libITSUpgradeSim.so");
618 //====================================================================================================================================================