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; // // Set External decayer AliDecayer* decayer = new AliDecayerPythia(); decayer->SetForceDecay(all); decayer->Init(); gMC->SetExternalDecayer(decayer); // // //======================================================================= // ******* 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->SetSWIT(2,3); //for drawing 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) geant3->SetERAN(5.e-7); 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 // // #### AliGenZDC generation // AliGenZDC *gener = new AliGenZDC(1); gener->SetDirection(0,0,0,1); gener->SetFermi(1);--------------------//Nucleon in ZP or ZN gener->SetDiv(0.000032,0.0001,2); gener->SetOrigin(0.,0.,0.); //gener->SetParticle(kNeutron); gener->SetParticle(kProton); gener->SetMomentum(2760.); //gener->SetFermi(0); -----------------// Gamma in ZEM //gener->SetDiv(0,0,0); //gener->SetOrigin(0.,5.8,11400.); //gener->SetParticle(kGamma); //gener->SetMomentum(100.); // gener->SetTrackingFlag(1); gener->Init(); // // Activate this line if you want the vertex smearing to happen // track by track // //gener->SetVertexSmear(perTrack); gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field) Int_t iABSO=0; Int_t iCASTOR=0; Int_t iDIPO=1; Int_t iFMD=0; Int_t iFRAME=0; Int_t iHALL=0; Int_t iITS=0; Int_t iMAG=0; Int_t iMUON=0; Int_t iPHOS=0; Int_t iPIPE=0; Int_t iPMD=0; Int_t iRICH=0; Int_t iSHIL=0; Int_t iSTART=0; Int_t iTOF=0; Int_t iTPC=0; Int_t iTRD=0; Int_t iZDC=1; //=================== 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(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(iFRAME) { //=================== FRAME parameters ============================ AliFRAME *FRAME = new AliFRAMEv1("FRAME","Space Frame"); } if(iSHIL) { //=================== SHIL parameters ============================ AliSHIL *SHIL = new AliSHILv0("SHIL","Shielding"); } if(iPIPE) { //=================== PIPE parameters ============================ AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe"); // PIPE->Dump(); } if(iITS) { //=================== ITS parameters ============================ // // As the innermost detector in ALICE, the Inner Tracking System "impacts" on // almost all other detectors. This involves the fact that the ITS geometry // still has several options to be followed in parallel in order to determine // the best set-up which minimizes the induced background. All the geometries // available to date are described in the following. Read carefully the comments // and use the default version (the only one uncommented) unless you are making // comparisons and you know what you are doing. In this case just uncomment the // ITS geometry you want to use and run Aliroot. // // Detailed geometries: // ==================== // // //AliITS *ITS = new AliITSv3("ITS","Old ITS detailed version as of the ALICE TP"); // //AliITS *ITS = new AliITSv5("ITS","Current ITS detailed version used for the ITS TDR"); // //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); // AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); // // // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful for reconstruction !): // ====================================================================================================================== // // //AliITS *ITS = new AliITSv1("ITS","Old ITS coarse version as of the ALICE TP"); // //AliITS *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS coarse version with asymmetric services"); // //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS coarse version with symmetric services"); // // // Geant3 <-> EUCLID conversion // ============================ // // SetEUCLID is a flag to output (=1) or not to output (=0) 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. // ITS->SetEUCLID(0); } 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 // // //----------------------------------------------------------------------------- // gROOT->LoadMacro("SetTPCParam.C"); // AliTPCParam *param = SetTPCParam(); AliTPC *TPC = new AliTPCv2("TPC","Default"); //v1 is default // TPC->SetParam(param); // pass the parameter object to the TPC // set gas mixture //TPC->SetGasMixt(2,20,10,-1,0.9,0.1,0.); TPC->SetSecAL(-1); TPC->SetSecAU(-1); // TPC->Dump(); //TPC->SetSecLows(1, 2, 3, 19, 20, 21); //TPC->SetSecUps(37, 38, 39, 37+18, 38+18, 39+18, -1, -1, -1, -1, -1, -1); //TPC->SetSens(1); //if (TPC->IsVersion()==1) param->Write(param->GetTitle()); } if(iTOF) { //=================== TOF parameters ============================ AliTOF *TOF = new AliTOFv2("TOF","normal TOF"); } if(iRICH) { //=================== RICH parameters =========================== AliRICH *RICH = new AliRICHv1("RICH","normal RICH"); } if(iZDC) { //=================== ZDC parameters ============================ AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC"); AliZDCv1 *ZDCv1 = (AliZDC*)ZDC; //ZDCv1->NoShower(); ZDCv1->Shower(); } if(iCASTOR) { //=================== CASTOR parameters ============================ AliCASTOR *CASTOR = new AliCASTORv1("CASTOR","normal CASTOR"); } if(iTRD) { //=================== TRD parameters ============================ AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator"); // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) TRD->SetGasMix(1); // With hole in front of PHOS TRD->SetPHOShole(); // With hole in front of RICH TRD->SetRICHhole(); } if(iFMD) { //=================== FMD parameters ============================ AliFMD *FMD = new AliFMDv1("FMD","normal FMD"); } if(iMUON) { //=================== MUON parameters =========================== AliMUON *MUON = new AliMUONv1("MUON","normal MUON"); MUON->SetIshunt(0); 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); // AliMUONSegmentationV04 *seg71=new AliMUONSegmentationV04; seg71->SetPadSize(10.,0.5); seg71->SetDAnod(0.25); seg71->SetPadDivision(nseg4); MUON->SetSegmentationModel(chamber-1, 1, seg71); AliMUONSegmentationV05 *seg72=new AliMUONSegmentationV05; seg72->SetPadSize(1,10); seg72->SetDAnod(0.25); seg72->SetPadDivision(nseg4); MUON->SetSegmentationModel(chamber-1, 2, seg72); MUON->SetResponseModel(chamber-1, response0); chamber=8; //^^^^^^^^^ MUON->SetNsec(chamber-1,2); AliMUONSegmentationV04 *seg81=new AliMUONSegmentationV04; seg81->SetPadSize(10., 0.5); seg81->SetPadDivision(nseg4); seg81->SetDAnod(0.25); MUON->SetSegmentationModel(chamber-1, 1, seg81); AliMUONSegmentationV05 *seg82=new AliMUONSegmentationV05; seg82->SetPadSize(1, 10); seg82->SetPadDivision(nseg4); seg82->SetDAnod(0.25); MUON->SetSegmentationModel(chamber-1, 2, seg82); 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 staions --------------------- //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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); 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); } //=================== PHOS parameters =========================== if(iPHOS) { AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2"); } if(iPMD) { //=================== PMD parameters ============================ AliPMD *PMD = new AliPMDv1("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); } if(iSTART) { //=================== START parameters ============================ AliSTART *START = new AliSTARTv1("START","START Detector"); } }