enum gentype_t {hijing, gun, box, pythia, param, cocktail, fluka, halo, ntuple, scan, doublescan, hijing_g}; gentype_t gentype=param; // Int_t ntracks=6407; // Int_t ntracks=12000; // Int_t ntracks=28380; // Int_t ntracks=19900; Int_t ntracks=1; void Config() { // Load geant321 library gSystem->Load("libgeant321"); new TGeant3("C++ Interface to Geant3"); //======================================================================= // Create the output file TFile *rootfile = new TFile("galice.root","recreate"); rootfile->SetCompressionLevel(2); TGeant3 *geant3 = (TGeant3*)gMC; AliDecayer* decayer = new AliDecayerPythia(); decayer->SetForceDecay(kAll); decayer->Init(); gMC->SetExternalDecayer(decayer); //======================================================================= // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* geant3->SetTRIG(1); //Number of events to be processed geant3->SetSWIT(4,100); geant3->SetDEBU(0,0,1); geant3->SetDCAY(1); geant3->SetPAIR(1); geant3->SetCOMP(1); geant3->SetPHOT(1); geant3->SetPFIS(0); geant3->SetDRAY(0); geant3->SetANNI(1); geant3->SetBREM(1); geant3->SetMUNU(1); geant3->SetCKOV(0); geant3->SetHADR(4); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) geant3->SetLOSS(1); geant3->SetMULS(1); geant3->SetRAYL(0); geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) geant3->SetABAN(1); //Restore 3.16 behaviour for abandoned tracks geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) Float_t cut = 1.e-4; // 100MeV cut by default Float_t tofmax = 1.e10; // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX geant3->SetCUTS(1.e-4, 1.e-4, 1.e-3, 1.e-4, 1.e-3, cut, cut, cut, cut, cut, 1.e-5); gAlice->TrackingLimits(700, 2000); // //======================================================================= // ************* STEERING parameters FOR ALICE SIMULATION ************** // --- Specify event type to be tracked through the ALICE setup // --- All positions are in cm, angles in degrees, and P and E in GeV switch(gentype) { case gun: //********************************************* // Example for Fixed Particle Gun * //********************************************* AliGenFixed *gener = new AliGenFixed(ntracks); gener->SetMomentum(20); gener->SetPhiRange(0); gener->SetThetaRange(0.); gener->SetOrigin(30,30,500); //vertex position gener->SetPart(kMuonMinus); //GEANT particle type break; case box: //********************************************* // Example for Moving Particle Gun * //********************************************* AliGenBox *gener = new AliGenBox(ntracks); gener->SetMomentumRange(33,34); gener->SetPhiRange(-180,180); gener->SetThetaRange(2., 9.); gener->SetOrigin(0,0,0); gener->SetVertexSmear(kPerTrack); //vertex position gener->SetSigma(0, 0, 0); // Sigma in (X,Y,Z) (cm) on IP position gener->SetPart(kMuonPlus); // GEANT particle type break; case scan: //********************************************* // Scanning on a grid * //********************************************* AliGenScan *gener = new AliGenScan(-1); gener->SetMomentumRange(20,20); gener->SetPhiRange(0,0); gener->SetThetaRange(0,0); //vertex position // gener->SetSigma(1,1,0); //Sigma in (X,Y,Z) (cm) on IP position gener->SetPart(kMuonPlus); gener->SetRange(30, -100., 100., 30, -100., 100., 1, 500, 500); break; case doublescan: //********************************************* // Scanning on a grid * //********************************************* AliGenDoubleScan *gener = new AliGenDoubleScan(-1); gener->SetMomentumRange(4,4); gener->SetPhiRange(0,360); gener->SetThetaRange(0,0); //vertex position gener->SetSigma(3,3,0); //Sigma in (X,Y,Z) (cm) on IP position gener->SetPart(8); gener->SetRange(20, -100, 100, 20, -100, 100, 1, 500, 500); gener->SetDistance(1); break; case hijing: AliGenHIJINGpara *gener = new AliGenHIJINGpara(ntracks); gener->SetMomentumRange(0,999); gener->SetPtRange(0,999); gener->SetPhiRange(0,360); // gener->SetThetaRange(0.104,33.52); gener->SetThetaRange(0.104,90.0); // gener->SetThetaRange(2.,9.); gener->SetOrigin(0., 0.0 ,0); // vertex position gener->SetSigma(0,0,5.3); // Sigma in (X,Y,Z) (cm) on IP position gener->SetVertexSmear(kPerTrack); gener->SetTrackingFlag(0); break; case hijing_g: AliGenHijing *gener = new AliGenHijing(-1); gener->SetEnergyCMS(5600.); gener->SetReferenceFrame("CMS"); gener->SetProjectile("A", 208, 82); gener->SetTarget ("A", 208, 82); gener->SetImpactParameterRange(0, 5.); gener->SetEvaluate(0); gener->KeepFullEvent(); gener->SetJetQuenching(1); gener->SetShadowing(1); gener->SetDecaysOff(1); gener->SetTrigger(0); gener->SetSelectAll(1); gener->SetMomentumRange(0,9999); gener->SetPhiRange(-180,180); gener->SetThetaRange(0.104,90.0); // gener->SetFlavor(4); gener->SetOrigin(0., 0.0 ,0); gener->SetSigma(0,0,5.3); gener->SetVertexSmear(kPerEvent); gener->SetTrackingFlag(0); break; case pythia: //******************************************** // Example for Charm Production with Pythia * //******************************************** AliGenPythia *gener = new AliGenPythia(ntracks); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetThetaRange(0., 180.); gener->SetYRange(-10,10); gener->SetPtRange(0,100); //gener->SetOrigin(0,0,0); // vertex position //gener->SetVertexSmear(kPerEvent); //gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position gener->SetStrucFunc(kDO_Set_1); gener->SetProcess(kPyCharm); gener->SetEnergyCMS(5500.); break; /* AliGenPythia *gener = new AliGenPythia(ntracks); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetThetaRange(0., 180.); gener->SetYRange(-10,10); gener->SetPtRange(0,100); gener->SetOrigin(0,0,0); // vertex position gener->SetVertexSmear(kPerEvent); gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position gener->SetStrucFunc(DO_Set_1); gener->SetProcess(charm); gener->SetForceDecay(dimuon); gener->SetEnergyCMS(5500.); gener->SetTrackingFlag(0); break; */ case param: //******************************************************* // Example for J/psi or Upsilon Production from Parameterisation * //******************************************************* AliGenParam *gener = new AliGenParam(ntracks, AliGenMUONlib::kUpsilon); gener->SetMomentumRange(0,999); gener->SetPtRange(0,999); gener->SetPhiRange(-180, 180); gener->SetYRange(2.5,9); gener->SetCutOnChild(1); gener->SetChildThetaRange(2.0,9); gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position gener->SetForceDecay(kDiMuon); gener->SetTrackingFlag(1); break; case fluka: //******************************************************* // Example for a FLUKA Boundary Source * //******************************************************* AliGenFLUKAsource *gener = new AliGenFLUKAsource(-1); gener->AddFile("$(ALICE_ROOT)/data/alice.root"); rootfile->cd(); gener->SetPartFlag(7); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetThetaRange(0., 180.); gener->SetAgeMax(1.e-5); // 31.7 events gener->SetFraction(1.); break; case ntuple: //******************************************************* // Example for reading from a external file * //******************************************************* AliGenExtFileCH *gener = new AliGenExtFileCH(-1); gener->SetFileName("$(ALICE_ROOT)/data/pbpb.root"); gener->SetThetaRange(0.104,90.); gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,5.6); //Sigma in (X,Y,Z) (cm) on IP position gener->SetVertexSmear(kPerTrack); gener->SetTrackingFlag(1); break; case halo: //******************************************************* // Example for Tunnel Halo Source * //******************************************************* AliGenHalo *gener = new AliGenHalo(ntracks); gener->SetFileName("/h1/morsch/marsip/marsip5.mu"); break; case cocktail: //******************************************************* // Example for a Cocktail * //******************************************************* AliGenCocktail *gener = new AliGenCocktail(); gener->SetMomentumRange(0,10); gener->SetPhiRange(0,360); gener->SetThetaRange(2.,9.); gener->SetTrackingFlag(0); AliGenParam *Pi0 = new AliGenParam(100, new AliGenPMDlib(), AliGenPMDlib::kPion); AliGenParam *Eta = new AliGenParam( 10, new AliGenPMDlib(), AliGenPMDlib::kEta); gener->AddGenerator(Pi0, "neutral pions" , 1.); gener->AddGenerator(Eta, "neutral etas" , 1.); break; } gener->Init(); if (gentype==param) { gAlice->SetField(2,1); //Specify maximum magnetic field in Tesla (neg. ==> default field) } else { gAlice->SetField(0,2); // No magnetic field } Int_t iFRAME =0; Int_t iMAG =0; Int_t iITS =0; Int_t iABSO =1; Int_t iDIPO =1; Int_t iHALL =0; Int_t iSHIL =1; Int_t iPIPE =0; Int_t iFMD =0; Int_t iMUON =1; //=================== Alice BODY parameters ============================= AliBODY *BODY = new AliBODY("BODY","Alice envelop"); if(iFRAME) { //=================== FRAME parameters ============================ AliFRAME *FRAME = new AliFRAMEv0("FRAME","Space Frame"); } if(iMAG) { //=================== MAG parameters ============================ // --- Start with Magnet since detector layouts may be depending --- // --- on the selected Magnet dimensions --- AliMAG *MAG = new AliMAG("MAG","Magnet"); } if(iABSO) { //=================== ABSO parameters ============================ AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber"); } if(iDIPO) { //=================== DIPO parameters ============================ AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2"); } if(iHALL) { //=================== HALL parameters ============================ AliHALL *HALL = new AliHALL("HALL","Alice Hall"); } if(iSHIL) { //=================== SHIL parameters ============================ // AliSHIL *SHIL = new AliSAROV("SHIL","Shielding"); AliSHILvF *SHIL = new AliSHILvF("SHIL","Shielding"); SHIL->SetPbCone(1); // AliSAROV *SHIL = new AliSAROV("SHIL","Shielding"); } if(iPIPE) { //=================== PIPE parameters ============================ AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe"); } if(iFMD) { //=================== FMD parameters ============================ AliFMD *FMD = new AliFMDv1("FMD","normal FMD"); } if(iMUON) { //=================== MUON parameters =========================== // // Parameters for selection MUON station 1 configuration: // detectorVersion: // 0: AliMUONv1.cxx // 2: AliMUONv2.cxx (detailed geometry for station 1) // // responseVersion: // 0: AliMUONResponseV0 // 2: AliMUONSt1Response // // segmentationVersion: // 0: AliMUONSegmentationV01 // 2: AliMUONSt1Segmentation Int_t detectorVersion = 2; Int_t responseVersion = 2; Int_t segmentationVersion = 2; // MUON detector // AliMUON *MUON = 0; if (detectorVersion == 2) { MUON= new AliMUONv2("MUON","normal MUON"); } else { MUON= new AliMUONv1("MUON","normal MUON"); } MUON->SetIshunt(0); MUON->SetMaxStepGas(0.1); MUON->SetMaxStepAlu(0.1); // Response // AliMUONResponse* responseChamber1; AliMUONResponse* responseChamber2; if (responseVersion == 2) { AliMUONSt1Response* responseCh1 = new AliMUONSt1Response(1); responseCh1->SetSqrtKx3AndDeriveKx2Kx4(0.7000); // sqrt(0.4900) responseCh1->SetSqrtKy3AndDeriveKy2Ky4(0.7550); // sqrt(0.5700) responseCh1->SetPitch(0.20); // anode-cathode distance responseCh1->SetSigmaIntegration(10.); // Mathieson parameters from L.Kharmandarian's thesis, page 190 responseCh1->SetChargeSlope(62.5); //(62.5); // ChargeSlope larger to compensate for the smaller anode-cathode distance // and keep the same most probable ADC channel for mip's responseCh1->SetChargeSpread(0.144, 0.144); // assumed proportionality to anode-cathode distance for ChargeSpread responseCh1->SetMaxAdc(4095); responseCh1->SetZeroSuppression(3); responseChamber1 = responseCh1; AliMUONSt1Response* responseCh2 = new AliMUONSt1Response(2); responseCh2->SetSqrtKx3AndDeriveKx2Kx4(0.7000); // sqrt(0.4900) responseCh2->SetSqrtKy3AndDeriveKy2Ky4(0.7550); // sqrt(0.5700) responseCh2->SetPitch(0.20); // anode-cathode distance responseCh2->SetSigmaIntegration(10.); // Mathieson parameters from L.Kharmandarian's thesis, page 190 responseCh2->SetChargeSlope(62.5); //(62.5); // ChargeSlope larger to compensate for the smaller anode-cathode distance // and keep the same most probable ADC channel for mip's responseCh2->SetChargeSpread(0.144, 0.144); responseCh2->SetMaxAdc(4095); // assumed proportionality to anode-cathode distance for ChargeSpread responseCh2->SetZeroSuppression(3); responseChamber2 = responseCh2; } else { // Default response: 4 mm of gas AliMUONResponseV0* response0 = new AliMUONResponseV0; response0->SetSqrtKx3AndDeriveKx2Kx4(0.7131); // sqrt(0.5085) response0->SetSqrtKy3AndDeriveKy2Ky4(0.7642); // sqrt(0.5840) response0->SetPitch(0.2); // anode-cathode distance response0->SetSigmaIntegration(10.); response0->SetChargeSlope(62.5); response0->SetChargeSpread(0.144, 0.144); response0->SetMaxAdc(4095); response0->SetZeroSuppression(0); responseChamber1 = response0; responseChamber2 = response0; } // Segmentation // AliSegmentation* segmentation11; AliSegmentation* segmentation12; AliSegmentation* segmentation21; AliSegmentation* segmentation22; if (segmentationVersion == 2) { AliMUONSt1Segmentation* seg11 = new AliMUONSt1Segmentation(kBendingPlane); seg11->SetDAnod(0.20); // smaller distance between anod segmentation11 = seg11; AliMUONSt1Segmentation* seg12 = new AliMUONSt1Segmentation(kNonBendingPlane); seg12->SetDAnod(0.20); // smaller distance between anod segmentation12 = seg12; AliMUONSt1Segmentation* seg21 = new AliMUONSt1Segmentation(kBendingPlane); seg21->SetDAnod(0.20); // smaller distance between anod segmentation21 = seg21; AliMUONSt1Segmentation* seg22 = new AliMUONSt1Segmentation(kNonBendingPlane); seg22->SetDAnod(0.20); // smaller distance between anod segmentation22 = seg22; } else { Float_t rseg1[4]={17.5, 55.2, 71.3, 95.5}; Int_t nseg1[4]={4, 4, 2, 1}; AliMUONSegmentationV01* seg11=new AliMUONSegmentationV01(4); seg11->SetSegRadii(rseg1); seg11->SetPadSize(0.42, 0.63); // smaller pad size .....modif Marion 3/12/2 seg11->SetDAnod(0.20); // smaller distance between anode wires seg11->SetPadDivision(nseg1); segmentation11 = seg11; AliMUONSegmentationV02* seg12=new AliMUONSegmentationV02(4); seg12->SetSegRadii(rseg1); seg12->SetPadSize(0.42, 0.63); // smaller pad size.....modif Marion 3/12/2 seg12->SetDAnod(0.20); // smaller distance between anode wires seg12->SetPadDivision(nseg1); segmentation12 = seg12; AliMUONSegmentationV01* seg21=new AliMUONSegmentationV01(4); seg21->SetSegRadii(rseg1); seg21->SetPadSize(2.4, 0.4); // smaller pad size seg21->SetDAnod(0.20); // smaller distance between anode wires seg21->SetPadDivision(nseg1); segmentation21 = seg21; AliMUONSegmentationV02* seg22=new AliMUONSegmentationV02(4); seg22->SetSegRadii(rseg1); seg22->SetPadSize(0.6, 1.6); // smaller pad size seg22->SetDAnod(0.20); // smaller distance between anode wires seg22->SetPadDivision(nseg1); segmentation22 = seg22; } // Configure station 1 // Int_t chamber=1; MUON->SetNsec(chamber-1,2); MUON->SetSegmentationModel(chamber-1, 1, segmentation11); MUON->SetSegmentationModel(chamber-1, 2, segmentation12); MUON->SetResponseModel(chamber-1, responseChamber1); MUON->Chamber(chamber-1).SetChargeCorrel(0.11); // 11% charge spread chamber=2; MUON->SetNsec(chamber-1,2); MUON->SetSegmentationModel(chamber-1, 1, segmentation21); MUON->SetSegmentationModel(chamber-1, 2, segmentation22); MUON->SetResponseModel(chamber-1, responseChamber2); MUON->Chamber(chamber-1).SetChargeCorrel(0.11); // 11% charge spread //-------------------------------------------------------- // Other stations 2, 3, 4, 5, 6 (Trigger) - default setting //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AliMUONFactory factory; for (Int_t i=2; i<7; i++) factory.BuildStation(MUON, i); // Was: response0->SetMaxAdc(4095); // In AliMUONFactory is: fResponse0->SetMaxAdc(4096); // Station2: // Was: Float_t rseg2[4]={23.5, 47.1, 87.7, 122.5}; // In In AliMUONFactory: Float_t rseg2[4]={23.5, 53.5, 90.5, 122.5}; // in macros: SHILv2 // in Config_slat: SHILvF } }