enum gentype_t {hijing, gun, box, pythia, param, cocktail, fluka, halo, ntuple, scan, doublescan, hijing_g}; gentype_t gentype=scan; // Int_t ntracks=6407; // Int_t ntracks=12000; // Int_t ntracks=28380; // Int_t ntracks=19900; Int_t ntracks=1; void Config() { new AliGeant3("C++ Interface to Geant3"); //======================================================================= // Create the output file TFile *rootfile = new TFile("galice.root","recreate"); rootfile->SetCompressionLevel(2); TGeant3 *geant3 = (TGeant3*)gMC; //======================================================================= // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* geant3->fGctrak->maxnst=1000000; geant3->fGcflag->nrndm[0]=10; geant3->fGcflag->nrndm[1]=11; 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(10); gener->SetPhiRange(0); gener->SetThetaRange(0.); gener->SetOrigin(30,30,1200); //vertex position gener->SetPart(kProton); //GEANT particle type break; case box: //********************************************* // Example for Moving Particle Gun * //********************************************* AliGenBox *gener = new AliGenBox(ntracks); gener->SetMomentumRange(3,4); gener->SetPhiRange(-360,360); gener->SetThetaRange(2., 10.); gener->SetOrigin(25,25,510.5); gener->SetVertexSmear(kPerTrack); //vertex position gener->SetSigma(1.8, 1.8,0); //Sigma in (X,Y,Z) (cm) on IP position gener->SetPart(kProton); //GEANT particle type break; case scan: //********************************************* // Scanning on a grid * //********************************************* AliGenScan *gener = new AliGenScan(-1); gener->SetMomentumRange(20,20); gener->SetPhiRange(90,90); gener->SetThetaRange(0,0); //vertex position gener->SetSigma(1,1,0); //Sigma in (X,Y,Z) (cm) on IP position gener->SetPart(kMuonMinus); gener->SetRange(20, -100, 100, 20, -100., 100., 1, 1200, 1200); 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(DO_Set_1); gener->SetProcess(charm); 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 Production from Parameterisation * //******************************************************* AliGenParam *gener = new AliGenParam(ntracks,upsilon_p, AliGenMUONlib::GetPt(upsilon_p), AliGenMUONlib::GetY(upsilon_p), AliGenMUONlib::GetIp(upsilon_p)); gener->SetMomentumRange(0,999); gener->SetPhiRange(-180, 180); gener->SetYRange(2.5,4); gener->SetCutOnChild(1); gener->SetChildThetaRange(2,9); gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position gener->SetForceDecay(dimuon); gener->SetTrackingFlag(0); 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(), Pion); AliGenParam *Eta = new AliGenParam( 10, new AliGenPMDlib(), Eta); gener->AddGenerator(Pi0, "neutral pions" , 1.); gener->AddGenerator(Eta, "neutral etas" , 1.); break; } gener->Init(); gAlice->SetField(-2,1); //Specify maximum magnetic field in Tesla (neg. ==> default field) Int_t iFRAME =0; Int_t iMAG =0; Int_t iITS =0; Int_t iABSO =0; Int_t iDIPO =0; Int_t iHALL =0; Int_t iSHIL =0; 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"); AliSHILv0 *SHIL = new AliSHILv0("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 =========================== AliMUON *MUON = new AliMUONv1("MUON","normal MUON"); MUON->SetIshunt(1); MUON->SetMaxStepGas(0.1); MUON->SetMaxStepAlu(0.1); // // Version 0 // // First define the number of planes that are segmented (1 or 2) by a call // to SetNsec. // Then chose for each chamber (chamber plane) the segmentation // and response model. // They should be equal for the two chambers of each station. In a future // version this will be enforced. // // Int_t chamber; Int_t station; // Default response AliMUONResponseV0* response0 = new AliMUONResponseV0; response0->SetSqrtKx3(0.7131); response0->SetKx2(1.0107); response0->SetKx4(0.4036); response0->SetSqrtKy3(0.7642); response0->SetKy2(0.9706); response0->SetKy4(0.3831); response0->SetPitch(0.25); response0->SetSigmaIntegration(10.); response0->SetChargeSlope(50); response0->SetChargeSpread(0.18, 0.18); response0->SetMaxAdc(4096); response0->SetZeroSuppression(6); //-------------------------------------------------------- // Configuration for Chamber TC1/2 (Station 1) ---------- //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Float_t rseg1[4]={17.5, 55.2, 71.3, 95.5}; Int_t nseg1[4]={4, 4, 2, 1}; // chamber=1; //^^^^^^^^^ MUON->SetNsec(chamber-1,2); // AliMUONSegmentationV01 *seg11=new AliMUONSegmentationV01; seg11->SetSegRadii(rseg1); seg11->SetPadSize(3, 0.5); seg11->SetDAnod(3.0/3./4); seg11->SetPadDivision(nseg1); MUON->SetSegmentationModel(chamber-1, 1, seg11); // AliMUONSegmentationV02 *seg12=new AliMUONSegmentationV02; seg12->SetSegRadii(rseg1); seg12->SetPadSize(0.75, 2.0); seg12->SetDAnod(3.0/3./4); seg12->SetPadDivision(nseg1); MUON->SetSegmentationModel(chamber-1, 2, seg12); MUON->SetResponseModel(chamber-1, response0); chamber=2; //^^^^^^^^^ // MUON->SetNsec(chamber-1,2); // AliMUONSegmentationV01 *seg21=new AliMUONSegmentationV01; seg21->SetSegRadii(rseg1); seg21->SetPadSize(3, 0.5); seg21->SetDAnod(3.0/3./4); seg21->SetPadDivision(nseg1); MUON->SetSegmentationModel(chamber-1, 1, seg21); // AliMUONSegmentationV02 *seg22=new AliMUONSegmentationV02; seg22->SetSegRadii(rseg1); seg22->SetPadSize(0.75, 2.); seg22->SetDAnod(3.0/3./4); seg22->SetPadDivision(nseg1); MUON->SetSegmentationModel(chamber-1, 2, seg22); MUON->SetResponseModel(chamber-1, response0); // //-------------------------------------------------------- // Configuration for Chamber TC3/4 ----------------------- ///^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ // Float_t rseg2[4]={23.5, 87.7, 122.4, 122.5}; Float_t rseg2[4]={23.5, 47.1, 87.7, 122.5}; Int_t nseg2[4]={4, 4, 2, 1}; // chamber=3; //^^^^^^^^^ MUON->SetNsec(chamber-1,2); // AliMUONSegmentationV01 *seg31=new AliMUONSegmentationV01; seg31->SetSegRadii(rseg2); seg31->SetPadSize(6, 0.5); seg31->SetDAnod(3.0/3./4); seg31->SetPadDivision(nseg2); MUON->SetSegmentationModel(chamber-1, 1, seg31); // AliMUONSegmentationV02 *seg32=new AliMUONSegmentationV02; seg32->SetSegRadii(rseg2); seg32->SetPadSize(0.75, 4.); seg32->SetPadDivision(nseg2); seg32->SetDAnod(3.0/3./4); MUON->SetSegmentationModel(chamber-1, 2, seg32); MUON->SetResponseModel(chamber-1, response0); chamber=4; //^^^^^^^^^ // MUON->SetNsec(chamber-1,2); // AliMUONSegmentationV01 *seg41=new AliMUONSegmentationV01; seg41->SetSegRadii(rseg2); seg41->SetPadSize(6, 0.5); seg41->SetDAnod(3.0/3./4); seg41->SetPadDivision(nseg2); MUON->SetSegmentationModel(chamber-1, 1, seg41); // AliMUONSegmentationV02 *seg42=new AliMUONSegmentationV02; seg42->SetSegRadii(rseg2); seg42->SetPadSize(0.75, 4.); seg42->SetPadDivision(nseg2); seg42->SetDAnod(3.0/3./4); MUON->SetSegmentationModel(chamber-1, 2, seg42); MUON->SetResponseModel(chamber-1, response0); //-------------------------------------------------------- // Configuration for Chamber TC5/6 ----------------------- //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ seg5 = new AliMUONSegmentationV1; AliMUONResponseV0* response5 = new AliMUONResponseV0; // K3 = 0.62 response5->SetSqrtKx3(0.78740079); response5->SetKx2(0.95237319); // 0.5 * kPI * (1- 0.5*sqrtky3 ) response5->SetKx4(0.37480633); // 0.25/TMath::ATan(sqrtkx3) // K3 = 0.55 response5->SetSqrtKy3(0.74161985); response5->SetKy2(0.98832946); response5->SetKy4(0.39177817); response5->SetPitch(0.325); response5->SetSigmaIntegration(10.); response5->SetChargeSlope(50); response5->SetChargeSpread(0.4, 0.4); response5->SetMaxAdc(4096); response5->SetZeroSuppression(6); chamber=5; MUON->SetNsec(chamber-1,1); MUON->SetSegmentationModel(chamber-1, 1, seg5); MUON->SetResponseModel(chamber-1, response5); chamber=6; MUON->SetNsec(chamber-1,1); MUON->SetSegmentationModel(chamber-1, 1, seg5); MUON->SetResponseModel(chamber-1, response5); // // Station 3 station=3; MUON->SetPadSize(station, 1, 0.975, 0.55); //-------------------------------------------------------- // Configuration for Chamber TC7/8 (Station 4) ---------- //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Int_t nseg4[4]={4, 4, 2, 1}; chamber=7; //^^^^^^^^^ MUON->SetNsec(chamber-1,2); // AliMUONSegmentationSlat *seg71=new AliMUONSegmentationSlat; Int_t npcb7[28] = {0,3,2,2, 0,3,2,2, 0,2,2,2, 0,0,3,3, 0,0,2,3, 0,0,0,4, 0,0,0,2 }; Float_t xpos[7] = {34., 4., 4., 4., 4., 4., 4.}; Float_t shift = 1.5/2.; seg71->SetNSlats(7); seg71->SetShift(shift); seg71->SetNPCBperSector(npcb7); seg71->SetSlatXPositions(xpos); seg71->SetPadSize(10.,0.5); seg71->SetDAnod(0.25); seg71->SetPadDivision(nseg4); MUON->SetSegmentationModel(chamber-1, 1, seg71); AliMUONSegmentationSlatN *seg72=new AliMUONSegmentationSlatN; MUON->SetSegmentationModel(chamber-1, 2, seg72); seg72->SetNSlats(7); seg72->SetShift(shift); seg72->SetNPCBperSector(npcb7); seg72->SetSlatXPositions(xpos); seg72->SetPadSize(0.5,10.); seg72->SetDAnod(0.25); seg72->SetPadDivision(nseg4); MUON->SetResponseModel(chamber-1, response0); chamber=8; //^^^^^^^^^ MUON->SetNsec(chamber-1,2); // AliMUONSegmentationSlat *seg81=new AliMUONSegmentationSlat; seg81->SetNSlats(7); seg81->SetShift(shift); seg81->SetNPCBperSector(npcb7); seg81->SetSlatXPositions(xpos); seg81->SetPadSize(10.,0.5); seg81->SetDAnod(0.25); seg81->SetPadDivision(nseg4); MUON->SetSegmentationModel(chamber-1, 1, seg81); AliMUONSegmentationSlat *seg82=new AliMUONSegmentationSlatN; MUON->SetSegmentationModel(chamber-1, 2, seg82); seg82->SetNSlats(7); seg82->SetShift(shift); seg82->SetNPCBperSector(npcb7); seg82->SetSlatXPositions(xpos); seg82->SetPadSize(0.5,10.); seg82->SetDAnod(0.25); seg82->SetPadDivision(nseg4); MUON->SetResponseModel(chamber-1, response0); //-------------------------------------------------------- // Configuration for Chamber TC9/10 (Station 5) --------- //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ chamber=9; //^^^^^^^^^ MUON->SetNsec(chamber-1,2); // AliMUONSegmentationV04 *seg91=new AliMUONSegmentationV04; seg91->SetPadSize(10.,0.5); seg91->SetDAnod(0.25); seg91->SetPadDivision(nseg4); MUON->SetSegmentationModel(chamber-1, 1, seg91); AliMUONSegmentationV05 *seg92=new AliMUONSegmentationV05; seg92->SetPadSize(1,10); seg92->SetDAnod(0.25); seg92->SetPadDivision(nseg4); MUON->SetSegmentationModel(chamber-1, 2, seg92); MUON->SetResponseModel(chamber-1, response0); chamber=10; //^^^^^^^^^ MUON->SetNsec(chamber-1,2); AliMUONSegmentationV04 *seg101=new AliMUONSegmentationV04; seg101->SetPadSize(10., 0.5); seg101->SetPadDivision(nseg4); seg101->SetDAnod(0.25); MUON->SetSegmentationModel(chamber-1, 1, seg101); AliMUONSegmentationV05 *seg102=new AliMUONSegmentationV05; seg102->SetPadSize(1,10); seg102->SetPadDivision(nseg4); seg102->SetDAnod(0.25); MUON->SetSegmentationModel(chamber-1, 2, seg102); MUON->SetResponseModel(chamber-1, response0); //-------------------------------------------------------- // Configuration for Trigger stations -------------------- //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AliMUONResponseTrigger* responseTrigger0 = new AliMUONResponseTrigger; chamber=11; MUON->SetNsec(chamber-1,2); AliMUONSegmentationTriggerX *seg111=new AliMUONSegmentationTriggerX; MUON->SetSegmentationModel(chamber-1, 1, seg111); AliMUONSegmentationTriggerY *seg112=new AliMUONSegmentationTriggerY; MUON->SetSegmentationModel(chamber-1, 2, seg112); MUON->SetResponseModel(chamber-1, responseTrigger0); chamber=12; MUON->SetNsec(chamber-1,2); AliMUONSegmentationTriggerX *seg121=new AliMUONSegmentationTriggerX; MUON->SetSegmentationModel(chamber-1, 1, seg121); AliMUONSegmentationTriggerY *seg122=new AliMUONSegmentationTriggerY; MUON->SetSegmentationModel(chamber-1, 2, seg122); MUON->SetResponseModel(chamber-1, responseTrigger0); printf("\n %p %p \n", seg121, seg122); chamber=13; MUON->SetNsec(chamber-1,2); AliMUONSegmentationTriggerX *seg131=new AliMUONSegmentationTriggerX; MUON->SetSegmentationModel(chamber-1, 1, seg131); AliMUONSegmentationTriggerY *seg132=new AliMUONSegmentationTriggerY; MUON->SetSegmentationModel(chamber-1, 2, seg132); MUON->SetResponseModel(chamber-1, responseTrigger0); chamber=14; MUON->SetNsec(chamber-1,2); AliMUONSegmentationTriggerX *seg141=new AliMUONSegmentationTriggerX; MUON->SetSegmentationModel(chamber-1, 1, seg141); AliMUONSegmentationTriggerY *seg142=new AliMUONSegmentationTriggerY; MUON->SetSegmentationModel(chamber-1, 2, seg142); MUON->SetResponseModel(chamber-1, responseTrigger0); } }