void Config() { new TGeant3("C++ Interface to Geant3"); //======================================================================= // Create the output file TFile *rootfile = new TFile("galice.root","recreate"); rootfile->SetCompressionLevel(2); TGeant3 *geant3 = (TGeant3*)gMC; enum gentype_t {hijing, gun, box, pythia, param, cocktail, fluka, halo}; gentype_t gentype=param; //======================================================================= // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* geant3->SetTRIG(1); //Number of events to be processed geant3->SetSWIT(4,10); geant3->SetDEBU(0,0,1); //geant3->SetSWIT(2,2); 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(1); geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) geant3->SetLOSS(2); geant3->SetMULS(1); geant3->SetRAYL(1); geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) geant3->SetABAN(0); //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-3; // 1MeV cut by default Float_t tofmax = 1.e10; // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX geant3->SetCUTS(cut,cut, cut, cut, cut, cut, cut, cut, cut, cut, tofmax); // //======================================================================= // ************* 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(200); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,0); gener->SetThetaRange(5., 5.); gener->SetOrigin(0,0,0); //vertex position gener->SetPart(14); //GEANT particle type break; case box: //********************************************* // Example for Moving Particle Gun * //********************************************* AliGenBox *gener = new AliGenBox(500); gener->SetMomentumRange(0,10); gener->SetPhiRange(0,360); gener->SetThetaRange(2., 10.); gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,5.6); //Sigma in (X,Y,Z) (cm) on IP position gener->SetPart(14); //GEANT particle type break; case hijing: AliGenHIJINGpara *gener = new AliGenHIJINGpara(3000); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetThetaRange(2,10); gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position break; case pythia: //******************************************** // Example for Charm Production with Pythia * //******************************************** AliGenPythia *gener = new AliGenPythia(10); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetThetaRange(0., 180.); gener->SetYRange(-10,10); gener->SetPtRange(0,1000000); gener->SetOrigin(0,0,0); // vertex position gener->SetVertexSmear(perTrack); gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position gener->SetProcess(charm_unforced); gener->ForceDecay(semielectronic); gener->SetPtHard(0,3); break; case param: //******************************************************* // Example for J/psi Production from Parameterisation * //******************************************************* AliGenParam *gener = new AliGenParam(1000, 443); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetYRange(2,4); gener->SetPtRange(1,10); gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,5.6); //Sigma in (X,Y,Z) (cm) on IP position gener->ForceDecay(dielectron); break; case fluka: //******************************************************* // Example for a FLUKA Boundary Source * //******************************************************* AliGenFLUKAsource *gener = new AliGenFLUKAsource(1000); gener->SetPartFlag(9); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetThetaRange(0., 180.); break; case halo: //******************************************************* // Example for Tunnel Halo Source * //******************************************************* AliGenHalo *gener = new AliGenHalo(100); gener->SetFileName("/h1/morsch/marsip/marsip5.mu"); break; case cocktail: //******************************************************* // Example for a Cocktail * //******************************************************* AliGenCocktail *gener = new AliGenCocktail(); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetYRange(-4,4); gener->SetPtRange(0,10); gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,5.6); //Sigma in (X,Y,Z) (cm) on IP position // AliGenPythia *jpsi = new AliGenPythia(200); jpsi->SetProcess(jpsi); jpsi->ForceDecay(dimuon); AliGenPythia *beauty = new AliGenPythia(200); beauty->SetProcess(beauty_unforced); beauty->ForceDecay(semielectronic); AliGenPythia *charm = new AliGenPythia(200); charm->SetProcess(charm_unforced); charm->ForceDecay(semimuonic); charm->SetPtHard(5,10); AliGenParam *jpsi_to_muons = new AliGenParam(100,443); jpsi_to_muons->ForceDecay(dimuon); AliGenParam *jpsi_to_electrons = new AliGenParam(100,443); jpsi_to_electrons->ForceDecay(dielectron); AliGenParam *phi_to_electrons = new AliGenParam(100,333); phi_to_electrons->ForceDecay(dielectron); // gener->AddGenerator(jpsi,"Jpsi",1.); // gener->AddGenerator(beauty,"Beauty",1.); gener->AddGenerator(charm,"Charm",1.); // gener->AddGenerator(jpsi_to_muons,"Jpsi_to_Muons",1.); gener->AddGenerator(jpsi_to_electrons,"Jpsi_to_Electrons",1.); // gener->AddGenerator(phi_to_electrons,"Phi_to_Electrons",1.); // break; } // Activate this line if you want the vertex smearing to happen // track by track // gener->SetVertexSmear(perTrack); gener->Init(); gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field) Int_t iMAG=0; Int_t iITS=0; Int_t iTPC=0; Int_t iTOF=0; Int_t iRICH=0; Int_t iZDC=0; Int_t iCASTOR=0; Int_t iTRD=0; Int_t iABSO=0; Int_t iDIPO=0; Int_t iHALL=0; Int_t iFRAME=1; Int_t iSHIL=0; Int_t iPIPE=0; Int_t iFMD=0; Int_t iMUON=1; Int_t iPHOS=0; Int_t iPMD=0; //=================== Alice BODY parameters ============================= AliBODY *BODY = new AliBODY("BODY","Alice envelop"); 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(iITS) { //=================== ITS parameters ============================ // // EUCLID is a flag to output (=1) both geometry and media to two ASCII files // (called by default ITSgeometry.euc and ITSgeometry.tme) in a format // understandable to the CAD system EUCLID. The default (=0) means that you // dont want to use this facility. // AliITS *ITS = new AliITSv3("ITS","normal ITS"); ITS->SetEUCLID(1); } if(iTPC) { //============================ TPC parameters ================================ // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) // --- sectors are specified, any value other than that requires at least one // --- sector (lower or upper)to be specified! // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) // --- SecLows - number of lower sectors specified (up to 6) // --- SecUps - number of upper sectors specified (up to 12) // --- Sens - sensitive strips for the Slow Simulator !!! // --- This does NOT work if all S or L-sectors are specified, i.e. // --- if SecAL or SecAU < 0 // // //----------------------------------------------------------------------------- AliTPC *TPC = new AliTPCv1("TPC","Normal TPC"); TPC->SetSecAL(1); TPC->SetSecAU(1); TPC->SetSecLows(1, -1, -1, -1, -1, -1); TPC->SetSecUps(25, 26, 48, -1, -1, -1, -1, -1, -1, -1, -1, -1); TPC->SetSens(1); } if(iTOF) { //=================== TOF parameters ============================ AliTOF *TOF = new AliTOFv2("TOF","normal TOF"); } if(iRICH) { //=================== RICH parameters =========================== AliRICH *RICH = new AliRICHv1("RICH","normal RICH"); RICH->SetSP(40); RICH->SetFEED(0.04); RICH->SetSIGM(0.18); RICH->SetTRIG(0); } if(iZDC) { //=================== ZDC parameters ============================ AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC"); } if(iCASTOR) { //=================== CASTOR parameters ============================ AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR"); } if(iTRD) { //=================== TRD parameters ============================ AliTRD *TRD = new AliTRDv2("TRD","TRD version 2"); // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) TRD->SetGasMix(0); // Define the sensitive parts of the detector //TRD->SetSensPlane(3); //TRD->SetSensChamber(2); //TRD->SetSensSector(5); } if(iABSO) { //=================== ABSO parameters ============================ AliABSO *ABSO = new AliABSO("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(iFRAME) { //=================== FRAME parameters ============================ AliFRAME *FRAME = new AliFRAMEv0("FRAME","Space Frame"); } if(iSHIL) { //=================== SHIL parameters ============================ AliSHIL *SHIL = new AliSHIL("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 AliMUONv0("MUON","normal MUON"); MUON->SetSMAXAR(0.03); MUON->SetSMAXAL(-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 Segmentation AliMUONsegmentationV0* segV0 = new AliMUONsegmentationV0; // Default response AliMUONresponseV0* response0 = new AliMUONresponseV0; response0->SetSqrtKx3(0.761577); response0->SetKx2(0.972655); response0->SetKx4(0.3841); response0->SetSqrtKy3(0.714143); response0->SetKy2(1.0099); response0->SetKy4(0.403); response0->SetPitch(0.25); response0->SetRSIGM(10.); response0->SetMUCHSP(5.); response0->SetMUSIGM(0.18, 0.18); response0->SetMAXADC( 1024); //-------------------------------------------------------- // Configuration for Chamber TC1/2 (Station 1) ---------- //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Float_t rseg[4]={17.5, 55.2, 71.3, 95.5}; Int_t nseg[4]={4, 4, 2, 1}; chamber=1; //^^^^^^^^^ MUON->SetNsec(chamber-1,2); // AliMUONsegmentationV01 *seg11=new AliMUONsegmentationV01; seg11->SetSegRadii(rseg); seg11->SetPADSIZ(3.048, 0.508); seg11->SetPadDivision(nseg); MUON->SetSegmentationModel(chamber-1, 1, seg11); // AliMUONsegmentationV01 *seg12=new AliMUONsegmentationV01; seg12->SetSegRadii(rseg); seg12->SetPADSIZ(2.032, 0.762); seg12->SetPadDivision(nseg); MUON->SetSegmentationModel(chamber-1, 2, seg12); chamber=2; //^^^^^^^^^ MUON->SetNsec(chamber-1,2); MUON->SetSegmentationModel(chamber-1, 1, seg11); MUON->SetSegmentationModel(chamber-1, 2, seg12); station=1; //^^^^^^^^^ MUON->SetResponseModel(0, response0); MUON->SetResponseModel(1, response0); // //-------------------------------------------------------- // Configuration for Chamber TC3/4 ----------------------- //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ chamber=3; MUON->SetNsec(chamber-1,1); AliMUONsegmentationV0 *seg34=new AliMUONsegmentationV0; seg34->SetDAnod(0.51/3.); MUON->SetSegmentationModel(chamber-1, 1, seg34); MUON->SetResponseModel(chamber-1, response0); chamber=4; MUON->SetNsec(chamber-1,1); MUON->SetSegmentationModel(chamber-1, 1, seg34); MUON->SetResponseModel(chamber-1, response0); // // Station 2 station=2; MUON->SetPADSIZ(station, 1, 0.75, 0.51); MUON->SetMUCHSP(station, 5.); MUON->SetMUSIGM(station, 0.18, 0.18); MUON->SetRSIGM(station, 10.); MUON->SetMAXADC(station, 1024); // //-------------------------------------------------------- // 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->SetRSIGM(10.); response5->SetMUCHSP(5.); response5->SetMUSIGM( 0.4, 0.4); response5->SetMAXADC( 1024); 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->SetPADSIZ(station, 1, 0.975, 0.55); // //-------------------------------------------------------- // Configuration for Chamber TC7/8/9/10------------------- //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ chamber=7; MUON->SetNsec(chamber-1,1); AliMUONsegmentationV0 *seg78=new AliMUONsegmentationV0; seg78->SetDAnod(0.51/3.); MUON->SetSegmentationModel(chamber-1, 1, seg78); MUON->SetResponseModel(chamber-1, response0); chamber=8; MUON->SetNsec(chamber-1,1); MUON->SetSegmentationModel(chamber-1, 1, seg78); MUON->SetResponseModel(chamber-1, response0); // // Station 4 station=4; MUON->SetPADSIZ(station, 1, 0.75, 0.5); chamber=9; MUON->SetNsec(chamber-1,1); AliMUONsegmentationV0 *seg910=new AliMUONsegmentationV0; seg910->SetDAnod(0.51/3.); MUON->SetSegmentationModel(chamber-1, 1, seg910); MUON->SetResponseModel(chamber-1, response0); chamber=10; MUON->SetNsec(chamber-1,1); MUON->SetSegmentationModel(chamber-1, 1, seg910); MUON->SetResponseModel(chamber-1, response0); // // Station 5 station=5; MUON->SetPADSIZ(station, 1, 0.75, 0.5); chamber=11; MUON->SetNsec(chamber-1,1); AliMUONsegmentationV0 *seg1112=new AliMUONsegmentationV0; seg1112->SetDAnod(0.51/3.); MUON->SetSegmentationModel(chamber-1, 1, seg1112); MUON->SetResponseModel(chamber-1, response0); chamber=12; MUON->SetNsec(chamber-1,1); MUON->SetSegmentationModel(chamber-1, 1, seg1112); MUON->SetResponseModel(chamber-1, response0); // // Trigger Station 1 station=6; MUON->SetPADSIZ(station, 1, 0.75, 0.5); chamber=13; MUON->SetNsec(chamber-1,1); AliMUONsegmentationV0 *seg1314=new AliMUONsegmentationV0; seg1314->SetDAnod(0.51/3.); MUON->SetSegmentationModel(chamber-1, 1, seg1314); MUON->SetResponseModel(chamber-1, response0); chamber=14; MUON->SetNsec(chamber-1,1); MUON->SetSegmentationModel(chamber-1, 1, seg1314); MUON->SetResponseModel(chamber-1, response0); // // Trigger Station 2 station=7; MUON->SetPADSIZ(station, 1, 0.75, 0.5); } if(iPHOS) { //=================== PHOS parameters =========================== AliPHOS *PHOS = new AliPHOSv1("PHOS","normal PHOS"); // * PHOSflags: YES: X<>0 NO: X=0 // * PHOSflags(1) : -----X Create branch for TObjArray of AliPHOSCradle // * ----X- Create file (ftn03 on HP-UX) with list of SHAKER particles (7Mb/event) // * PHOS->SetFlags(000001); PHOS->SetRadius(460); //Distance from beam to PHOS crystals. // (crystal_side_size,crystal_length,wrap_thikness,air_thikness,PIN_size,PIN length) PHOS->SetCell(2.2, 18., 0.01, 0.01, 1., 0.1); PHOS->SetCradleSize(104, 88, 4); // Nz (along beam), Nphi, Ncradles PHOS->SetCradleA(0); //Angle between Cradles PHOS->SetCPV(1., 2.); //CPV thikness, CPV-PHOS distance // * =============== // * PHOS extra parameters (contact Maxim Volkov volkov@mail.cern.ch) // * 1. STE_THICK Steel cover thickness // * 2. SUP_Y Crystal support height // * 3. FTIU_THICK Thermo Insulating outer cover Upper plate thickness // * 4. UFP_Y Upper Polystyrene Foam plate thickness // * 5. TCB_THICK Thermo insulating Crystal Block wall thickness // * 6. UCP_Y Upper Cooling Plate thickness // * 7. ASP_Y Al Support Plate thickness // * 8. TIP_Y Lower Thermo Insulating Plate thickness // * 9. TXP_Y Lower Textolit Plate thickness PHOS->SetExtra(0.001, 6.95, 4., 5., 2., 0.06, 10., 3., 1.); PHOS->SetTextolitWall(209., 71., 250.); //Textolit Wall box dimentions PHOS->SetInnerAir(206., 66., 244.); //Inner AIR volume dimensions // * =============================== // * 1. FTI_X Foam Thermo Insulating outer cover dimensions // * 2. FTI_Y ==//== // * 3. FTI_Z ==//== // * 4. FTI_R Distance from IP to Foam Thermo Insulating top plate PHOS->SetFoam(214.6, 80., 260., 467.); // ================================= // ******************************************************************************* // * KINE 700 - SHAKER generator // * KINE 700 x y z NDNDY YLIM PTLIM ChargeFlag // * JWEAK=0 // * JPI0=JETA=1 // * JPIC=JPRO=JKAC=JKA0=JRHO=JOME=JPHI=JPSI=JDRY=ChargeFlag // * Int_t JWEI; // Unweighted generation // * Int_t NDNDY; // Density of charged particles // * Float_t YLIM; // Rapidity Limit // * Float_t PTLIM; // Pt limit in GeV/c // * Int_t JWEAK; // Disable weak decays // * Int_t JPI0; // pi0 generation // * Int_t JETA; // eta generation // * Int_t JPIC; // pi+/- generation // * Int_t JPRO; // proton generation // * Int_t JKAC; // K+/- generation // * Int_t JKA0; // K0 generation // * Int_t JRHO; // rho generation // * Int_t JOME; // omega generation // * Int_t JPHI; // phi generation // * Int_t JPSI; // J/psi generation // * Int_t JDRY; // Drell-Yan generation // * KINE 700 5. 175. 0. 800. 1.5 5. 1. // ******************************************************************************* } if(iPMD) { //=================== PMD parameters ============================ AliPMD *PMD = new AliPMDv0("PMD","normal PMD"); PMD->SetPAR(1., 1., 0.8, 0.02); PMD->SetIN(6., 18., -580., 27., 27.); PMD->SetGEO(0.0, 0.2, 4.); PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); } }