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; //======================================================================= // ******* 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(0); geant3->SetPAIR(0); geant3->SetCOMP(0); geant3->SetPHOT(0); geant3->SetPFIS(0); geant3->SetDRAY(0); geant3->SetANNI(0); geant3->SetBREM(0); geant3->SetMUNU(1); geant3->SetCKOV(1); geant3->SetHADR(0); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) geant3->SetLOSS(1); 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 // //********************************************* // 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 //********************************************* // 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 */ //************************************** // Example for HIJING Parameterisation * //************************************** /* AliGenHIJINGpara *gener = new AliGenHIJINGpara(84210); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetThetaRange(0.28,179.72); gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position /* //******************************************** // Example for Charm Production with Pythia * //******************************************** */ /* AliGenPythia *gener = new AliGenPythia(200); gener->SetMomentumRange(0,999); gener->SetPhiRange(0,360); gener->SetThetaRange(0., 180.); gener->SetYRange(2,5); gener->SetOrigin(0,0,0); // vertex position gener->SetSigma(0,0,5.6); // Sigma in (X,Y,Z) (cm) on IP position gener->SetProcess(AliGenPythia::jpsi); gener->ForceDecay(AliGenPythia::dimuon); //******************************************************* // 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 //******************************************************* // 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.); */ //******************************************************* // 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(AliGenPythia::jpsi); jpsi->ForceDecay(AliGenPythia::dimuon); AliGenPythia *beauty = new AliGenPythia(200); beauty->SetProcess(AliGenPythia::beauty_unforced); beauty->ForceDecay(AliGenPythia::semielectronic); AliGenPythia *charm = new AliGenPythia(200); charm->SetProcess(AliGenPythia::charm_unforced); charm->ForceDecay(AliGenPythia::semimuonic); charm->SetPtHard(5,10); AliGenParam *jpsi_to_muons = new AliGenParam(100,443); jpsi_to_muons->ForceDecay(AliGenParam::dimuon); AliGenParam *jpsi_to_electrons = new AliGenParam(100,443); jpsi_to_electrons->ForceDecay(AliGenParam::dielectron); AliGenParam *phi_to_electrons = new AliGenParam(100,333); phi_to_electrons->ForceDecay(AliGenParam::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.); // gener->Init(); //************************************************************************** // Specify maximum magnetic field in Tesla (neg. ==> default field) gAlice->SetField(-999,2); // gAlice->TrackingLimits(2000.,200); //=================== Alice BODY parameters ============================= AliBODY *BODY = new AliBODY("BODY","Alice envelop"); /* AliFRAME *FRAME = new AliFRAMEv0("FRAME", "Space Frame"); /* //=================== ABSO parameters ============================ AliABSO *ABSO = new AliABSO("ABSO","Muon Absorber"); //=================== DIPO parameters ============================ AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2"); //=================== SHIL parameters ============================ AliSHIL *SHIL = new AliSHIL("SHIL","Shielding"); //=================== PIPE parameters ============================ */ // AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe"); /* */ //=================== 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); }