AliGenerator* MbPythiaTuneATLAS_Flat()
{
AliGenPythia* pythia = MbPythiaTuneATLAS();
comment = comment.Append("; flat multiplicity distribution");
// set high multiplicity trigger
// this weight achieves a flat multiplicity distribution
Double_t cont[] =
{0,
0.234836, 0.103484, 0.00984802, 0.0199906, 0.0260018, 0.0208481, 0.0101477, 0.00146998, -0.00681513, -0.0114928,
-0.0113352, -0.0102012, -0.00895238, -0.00534961, -0.00261648, -0.000819048, 0.00130816, 0.00177978, 0.00373838, 0.00566255,
0.00628156, 0.00687458, 0.00668017, 0.00702917, 0.00810848, 0.00876167, 0.00832783, 0.00848518, 0.0107709, 0.0106849,
0.00933702, 0.00912525, 0.0106553, 0.0102785, 0.0101756, 0.010962, 0.00957103, 0.00970448, 0.0117133, 0.012271,
0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113,
0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113,
0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113,
0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113,
0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113,
0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113, 0.0113,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0};
Double_t err[] =
{0,
0.00168216, 0.000743548, 0.00103125, 0.00108605, 0.00117101, 0.00124577, 0.00129119, 0.00128341, 0.00121421, 0.00112431,
0.00100588, 0.000895078, 0.000790314, 0.000711673, 0.000634547, 0.000589133, 0.000542763, 0.000509552, 0.000487375, 0.000468906,
0.000460196, 0.000455806, 0.00044843, 0.000449317, 0.00045007, 0.000458016, 0.000461167, 0.000474742, 0.00050161, 0.00051637,
0.000542336, 0.000558854, 0.000599169, 0.000611982, 0.000663855, 0.000696322, 0.000722825, 0.000771686, 0.000838023, 0.000908317,
0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003,
0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003,
0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003,
0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003,
0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003,
0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0};
TH1F *weight = new TH1F("newweight","newweight",120,-0.5,119.5);
weight->SetContent(cont);
weight->SetError(err);
Int_t limit = weight->GetRandom();
pythia->SetTriggerChargedMultiplicity(limit, 1.4);
comment = comment.Append(Form("; multiplicity threshold set to %d in |eta| < 1.4", limit));
return pythia;
}
void Config()
{
// Get settings from environment variables
ProcessEnvironmentVars();
gRandom->SetSeed(seed);
cerr<<"Seed for random number generation= "<<seed<<endl;
// Libraries required by geant321
#if defined(__CINT__)
gSystem->Load("liblhapdf"); // Parton density functions
gSystem->Load("libEGPythia6"); // TGenerator interface
if (proc == kPythia6 || proc == kPhojet) {
gSystem->Load("libpythia6"); // Pythia 6.2
} else {
gSystem->Load("libpythia6.4.21"); // Pythia 6.4
}
gSystem->Load("libAliPythia6"); // ALICE specific implementations
gSystem->Load("libgeant321");
#endif
new TGeant3TGeo("C++ Interface to Geant3");
//=======================================================================
// Create the output file
AliRunLoader* rl=0x0;
cout<<"Config.C: Creating Run Loader ..."<<endl;
rl = AliRunLoader::Open("galice.root",
AliConfig::GetDefaultEventFolderName(),
"recreate");
if (rl == 0x0)
{
gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
return;
}
rl->SetCompressionLevel(2);
rl->SetNumberOfEventsPerFile(1000);
gAlice->SetRunLoader(rl);
// gAlice->SetGeometryFromFile("geometry.root");
// gAlice->SetGeometryFromCDB();
// Set the trigger configuration: proton-proton
gAlice->SetTriggerDescriptor("p-p");
//
//=======================================================================
// ************* 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
gMC->SetProcess("DCAY",1);
gMC->SetProcess("PAIR",1);
gMC->SetProcess("COMP",1);
gMC->SetProcess("PHOT",1);
gMC->SetProcess("PFIS",0);
gMC->SetProcess("DRAY",0);
gMC->SetProcess("ANNI",1);
gMC->SetProcess("BREM",1);
gMC->SetProcess("MUNU",1);
gMC->SetProcess("CKOV",1);
gMC->SetProcess("HADR",1);
gMC->SetProcess("LOSS",2);
gMC->SetProcess("MULS",1);
gMC->SetProcess("RAYL",1);
Float_t cut = 1.e-3; // 1MeV cut by default
Float_t tofmax = 1.e10;
gMC->SetCut("CUTGAM", cut);
gMC->SetCut("CUTELE", cut);
gMC->SetCut("CUTNEU", cut);
gMC->SetCut("CUTHAD", cut);
gMC->SetCut("CUTMUO", cut);
gMC->SetCut("BCUTE", cut);
gMC->SetCut("BCUTM", cut);
gMC->SetCut("DCUTE", cut);
gMC->SetCut("DCUTM", cut);
gMC->SetCut("PPCUTM", cut);
gMC->SetCut("TOFMAX", tofmax);
//======================//
// Set External decayer //
//======================//
TVirtualMCDecayer* decayer=0x0;
if (TMath::Abs(JpsiPol) > 0) {
if(HelicityFrame) decayer = new AliDecayerPolarized(JpsiPol,AliDecayerPolarized::kHelicity,AliDecayerPolarized::kElectron);
else
decayer = new AliDecayerPolarized(JpsiPol,AliDecayerPolarized::kColSop,AliDecayerPolarized::kElectron);
} else
decayer = new AliDecayerPythia();
// decayer->SetForceDecay(kHadronicD);
decayer->SetForceDecay(kAll);
decayer->Init();
gMC->SetExternalDecayer(decayer);
//=========================//
// Generator Configuration //
//=========================//
AliGenerator* gener = 0x0;
if (proc == kPythia6) {
gener = MbPythia();
} else if (proc == kPythia6D6T) {
gener = MbPythiaTuneD6T();
} else if (proc == kPythia6ATLAS) {
gener = MbPythiaTuneATLAS();
} else if (proc == kPythiaPerugia0) {
gener = MbPythiaTunePerugia0();
} else if (proc == kPythia6ATLAS_Flat) {
gener = MbPythiaTuneATLAS_Flat();
} else if (proc == kPhojet) {
gener = MbPhojet();
} else if (proc == kPythiaPerugia0chadr) {
gener = MbPythiaTunePerugia0chadr();
} else if (proc == kPythiaPerugia0bchadr) {
gener = MbPythiaTunePerugia0bchadr();
} else if (proc == kPythiaPerugia0cele) {
gener = MbPythiaTunePerugia0cele();
} else if (proc == kPythiaPerugia0bele) {
gener = MbPythiaTunePerugia0bele();
} else if (proc == kPythiaPerugia0Jpsi) {
gener = MbPythiaTunePerugia0Jpsi();
}
//
//
// Size of the interaction diamond
// Longitudinal
Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
if (energy == 900)
//sigmaz = 10.5 / TMath::Sqrt(2.); // [cm]
//sigmaz = 3.7;
if (energy == 7000)
sigmaz = 6.3 / TMath::Sqrt(2.); // [cm]
//
// Transverse
Float_t betast = 10; // beta* [m]
Float_t eps = 3.75e-6; // emittance [m]
Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
gener->SetVertexSmear(kPerEvent);
gener->Init();
printf("\n \n Comment: %s \n \n", comment.Data());
rl->CdGAFile();
Int_t iABSO = 1;
Int_t iACORDE= 0;
Int_t iDIPO = 1;
Int_t iEMCAL = 1;
Int_t iFMD = 1;
Int_t iFRAME = 1;
Int_t iHALL = 1;
Int_t iITS = 1;
Int_t iMAG = 1;
Int_t iMUON = 1;
Int_t iPHOS = 1;
Int_t iPIPE = 1;
Int_t iPMD = 1;
Int_t iHMPID = 1;
Int_t iSHIL = 1;
Int_t iT0 = 1;
Int_t iTOF = 1;
Int_t iTPC = 1;
Int_t iTRD = 1;
Int_t iVZERO = 1;
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 AliABSOv3("ABSO", "Muon Absorber");
}
if (iDIPO)
{
//=================== DIPO parameters ============================
AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
}
if (iHALL)
{
//=================== HALL parameters ============================
AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
}
if (iFRAME)
{
//=================== FRAME parameters ============================
AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
FRAME->SetHoles(1);
}
if (iSHIL)
{
//=================== SHIL parameters ============================
AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
}
if (iPIPE)
{
//=================== PIPE parameters ============================
AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
}
if (iITS)
{
//=================== ITS parameters ============================
AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
}
if (iTPC)
{
//============================ TPC parameters =====================
AliTPC *TPC = new AliTPCv2("TPC", "Default");
}
if (iTOF) {
//=================== TOF parameters ============================
AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
}
if (iHMPID)
{
//=================== HMPID parameters ===========================
AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
}
if (iZDC)
{
//=================== ZDC parameters ============================
AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
}
if (iTRD)
{
//=================== TRD parameters ============================
AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
AliTRDgeometry *geoTRD = TRD->GetGeometry();
// Partial geometry: modules at 0,1,7,8,9,16,17
// starting at 3h in positive direction
geoTRD->SetSMstatus(2,0);
geoTRD->SetSMstatus(3,0);
geoTRD->SetSMstatus(4,0);
geoTRD->SetSMstatus(5,0);
geoTRD->SetSMstatus(6,0);
geoTRD->SetSMstatus(11,0);
geoTRD->SetSMstatus(12,0);
geoTRD->SetSMstatus(13,0);
geoTRD->SetSMstatus(14,0);
geoTRD->SetSMstatus(15,0);
geoTRD->SetSMstatus(16,0);
}
if (iFMD)
{
//=================== FMD parameters ============================
AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
}
if (iMUON)
{
//=================== MUON parameters ===========================
// New MUONv1 version (geometry defined via builders)
AliMUON *MUON = new AliMUONv1("MUON", "default");
}
if (iPHOS)
{
//=================== PHOS parameters ===========================
AliPHOS *PHOS = new AliPHOSv1("PHOS", "noCPV_Modules123");
}
if (iPMD)
{
//=================== PMD parameters ============================
AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
}
if (iT0)
{
//=================== T0 parameters ============================
AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
}
if (iEMCAL)
{
//=================== EMCAL parameters ============================
AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_FIRSTYEAR");
}
if (iACORDE)
{
//=================== ACORDE parameters ============================
AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
}
if (iVZERO)
{
//=================== ACORDE parameters ============================
AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
}
}
AliGenerator* MbPythiaTuneATLAS_Flat()
{
AliGenPythia* pythia = MbPythiaTuneATLAS();
comment = comment.Append("; flat multiplicity distribution");
// set high multiplicity trigger
// this weight achieves a flat multiplicity distribution
TH1 *weight = new TH1D("weight","weight",201,-0.5,200.5);
weight->SetBinContent(1,5.49443);
weight->SetBinContent(2,8.770816);
weight->SetBinContent(6,0.4568624);
weight->SetBinContent(7,0.2919915);
weight->SetBinContent(8,0.6674189);
weight->SetBinContent(9,0.364737);
weight->SetBinContent(10,0.8818444);
weight->SetBinContent(11,0.531885);
weight->SetBinContent(12,1.035197);
weight->SetBinContent(13,0.9394057);
weight->SetBinContent(14,0.9643193);
weight->SetBinContent(15,0.94543);
weight->SetBinContent(16,0.9426507);
weight->SetBinContent(17,0.9423649);
weight->SetBinContent(18,0.789456);
weight->SetBinContent(19,1.149026);
weight->SetBinContent(20,1.100491);
weight->SetBinContent(21,0.6350525);
weight->SetBinContent(22,1.351941);
weight->SetBinContent(23,0.03233504);
weight->SetBinContent(24,0.9574557);
weight->SetBinContent(25,0.868133);
weight->SetBinContent(26,1.030998);
weight->SetBinContent(27,1.08897);
weight->SetBinContent(28,1.251382);
weight->SetBinContent(29,0.1391099);
weight->SetBinContent(30,1.192876);
weight->SetBinContent(31,0.448944);
weight->SetBinContent(32,1);
weight->SetBinContent(33,1);
weight->SetBinContent(34,1);
weight->SetBinContent(35,1);
weight->SetBinContent(36,0.9999997);
weight->SetBinContent(37,0.9999997);
weight->SetBinContent(38,0.9999996);
weight->SetBinContent(39,0.9999996);
weight->SetBinContent(40,0.9999995);
weight->SetBinContent(41,0.9999993);
weight->SetBinContent(42,1);
weight->SetBinContent(43,1);
weight->SetBinContent(44,1);
weight->SetBinContent(45,1);
weight->SetBinContent(46,1);
weight->SetBinContent(47,0.9999999);
weight->SetBinContent(48,0.9999998);
weight->SetBinContent(49,0.9999998);
weight->SetBinContent(50,0.9999999);
weight->SetBinContent(51,0.9999999);
weight->SetBinContent(52,0.9999999);
weight->SetBinContent(53,0.9999999);
weight->SetBinContent(54,0.9999998);
weight->SetBinContent(55,0.9999998);
weight->SetBinContent(56,0.9999998);
weight->SetBinContent(57,0.9999997);
weight->SetBinContent(58,0.9999996);
weight->SetBinContent(59,0.9999995);
weight->SetBinContent(60,1);
weight->SetBinContent(61,1);
weight->SetBinContent(62,1);
weight->SetBinContent(63,1);
weight->SetBinContent(64,1);
weight->SetBinContent(65,0.9999999);
weight->SetBinContent(66,0.9999998);
weight->SetBinContent(67,0.9999998);
weight->SetBinContent(68,0.9999999);
weight->SetBinContent(69,1);
weight->SetBinContent(70,1);
weight->SetBinContent(71,0.9999997);
weight->SetBinContent(72,0.9999995);
weight->SetBinContent(73,0.9999994);
weight->SetBinContent(74,1);
weight->SetBinContent(75,1);
weight->SetBinContent(76,1);
weight->SetBinContent(77,1);
weight->SetBinContent(78,0.9999999);
weight->SetBinContent(79,1);
weight->SetBinContent(80,1);
weight->SetEntries(526);
Int_t limit = weight->GetRandom();
pythia->SetTriggerChargedMultiplicity(limit, 1.4);
comment = comment.Append(Form("; multiplicity threshold set to %d in |eta| < 1.4", limit));
return pythia;
}
void Config()
{
// Get settings from environment variables
ProcessEnvironmentVars();
gRandom->SetSeed(seed);
cerr<<"Seed for random number generation= "<<seed<<endl;
// Libraries required by geant321
#if defined(__CINT__)
gSystem->Load("liblhapdf"); // Parton density functions
gSystem->Load("libEGPythia6"); // TGenerator interface
if (proc == kPythia6 || proc == kPhojet) {
gSystem->Load("libpythia6"); // Pythia 6.2
} else {
gSystem->Load("libpythia6.4.21"); // Pythia 6.4
}
gSystem->Load("libAliPythia6"); // ALICE specific implementations
// gSystem->Load("libgeant321");
#endif
// new TGeant3TGeo("C++ Interface to Geant3");
//=======================================================================
// Create the output file
AliRunLoader* rl=0x0;
cout<<"Config.C: Creating Run Loader ..."<<endl;
rl = AliRunLoader::Open("galice.root",
AliConfig::GetDefaultEventFolderName(),
"recreate");
if (rl == 0x0)
{
gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
return;
}
rl->SetCompressionLevel(2);
rl->SetNumberOfEventsPerFile(1000);
gAlice->SetRunLoader(rl);
// gAlice->SetGeometryFromFile("geometry.root");
// gAlice->SetGeometryFromCDB();
// Set the trigger configuration: proton-proton
AliSimulation::Instance()->SetTriggerConfig(pprTrigConfName[strig]);
cout <<"Trigger configuration is set to "<<pprTrigConfName[strig]<<endl;
rl->CdGAFile();
Int_t iABSO = 1;
Int_t iACORDE= 0;
Int_t iDIPO = 1;
Int_t iEMCAL = 1;
Int_t iFMD = 1;
Int_t iFRAME = 1;
Int_t iHALL = 1;
Int_t iITS = 1;
Int_t iMAG = 1;
Int_t iMUON = 1;
Int_t iPHOS = 1;
Int_t iPIPE = 1;
Int_t iPMD = 1;
Int_t iHMPID = 1;
Int_t iSHIL = 1;
Int_t iT0 = 1;
Int_t iTOF = 1;
Int_t iTPC = 1;
Int_t iTRD = 1;
Int_t iVZERO = 1;
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 AliABSOv3("ABSO", "Muon Absorber");
}
if (iDIPO)
{
//=================== DIPO parameters ============================
AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
}
if (iHALL)
{
//=================== HALL parameters ============================
AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
}
if (iFRAME)
{
//=================== FRAME parameters ============================
AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
FRAME->SetHoles(1);
}
if (iSHIL)
{
//=================== SHIL parameters ============================
AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
}
if (iPIPE)
{
//=================== PIPE parameters ============================
AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
}
if (iITS)
{
//=================== ITS parameters ============================
AliITS *ITS = new AliITSv11("ITS","ITS v11");
}
if (iTPC)
{
//============================ TPC parameters =====================
AliTPC *TPC = new AliTPCv2("TPC", "Default");
TPC->SetPrimaryIonisation();// not used with Geant3
}
if (iTOF) {
//=================== TOF parameters ============================
AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
}
if (iHMPID)
{
//=================== HMPID parameters ===========================
AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
}
if (iZDC)
{
//=================== ZDC parameters ============================
AliZDC *ZDC = new AliZDCv4("ZDC", "normal ZDC");
//Collimators aperture
ZDC->SetVCollSideCAperture(0.85);
ZDC->SetVCollSideCCentre(0.);
ZDC->SetVCollSideAAperture(0.75);
ZDC->SetVCollSideACentre(0.);
//Detector position
ZDC->SetYZNC(1.6);
ZDC->SetYZNA(1.6);
ZDC->SetYZPC(1.6);
ZDC->SetYZPA(1.6);
}
if (iTRD)
{
//=================== TRD parameters ============================
AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
AliTRDgeometry *geoTRD = TRD->GetGeometry();
// Partial geometry: modules at 0,1,7,8,9,16,17
// starting at 3h in positive direction
geoTRD->SetSMstatus(2,0);
geoTRD->SetSMstatus(3,0);
geoTRD->SetSMstatus(4,0);
geoTRD->SetSMstatus(5,0);
geoTRD->SetSMstatus(6,0);
geoTRD->SetSMstatus(11,0);
geoTRD->SetSMstatus(12,0);
geoTRD->SetSMstatus(13,0);
geoTRD->SetSMstatus(14,0);
geoTRD->SetSMstatus(15,0);
geoTRD->SetSMstatus(16,0);
}
if (iFMD)
{
//=================== FMD parameters ============================
AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
}
if (iMUON)
{
//=================== MUON parameters ===========================
// New MUONv1 version (geometry defined via builders)
AliMUON *MUON = new AliMUONv1("MUON", "default");
// activate trigger efficiency by cells
MUON->SetTriggerEffCells(1);
}
if (iPHOS)
{
//=================== PHOS parameters ===========================
AliPHOS *PHOS = new AliPHOSv1("PHOS", "noCPV_Modules123");
}
if (iPMD)
{
//=================== PMD parameters ============================
AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
}
if (iT0)
{
//=================== T0 parameters ============================
AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
}
if (iEMCAL)
{
//=================== EMCAL parameters ============================
AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_FIRSTYEARV1");
}
if (iACORDE)
{
//=================== ACORDE parameters ============================
AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
}
if (iVZERO)
{
//=================== ACORDE parameters ============================
AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
}
// Load Geant4 + Geant4 VMC libraries
//
std::string g4libmacro("$G4VMCINSTALL/share/examples/macro/g4libs.C");
if (gClassTable->GetID("TGeant4") == -1) {
// Load Geant4 libraries
if (!gInterpreter->IsLoaded(g4libmacro.c_str())) {
gROOT->LoadMacro(g4libmacro.c_str());
gInterpreter->ProcessLine("g4libs()");
}
}
// Create Geant4 VMC
//
TGeant4 *geant4 = 0;
if ( ! gMC ) {
TG4RunConfiguration* runConfiguration=0x0;
for (Int_t iList = 0; iList < kListMax; iList++) {
if(iList<kListMax/2){
if(physicslist == iList){
runConfiguration =
new TG4RunConfiguration("geomRoot",
physicsListName[iList],
"specialCuts+stackPopper+stepLimiter",
true);
}
}
else if(iList>=kListMax/2){//add "optical" PL to HadronPhysicsList
if(physicslist == iList){
runConfiguration =
new TG4RunConfiguration("geomRoot",
Form("%s+optical",physicsListName[iList-kListMax/2]),
"specialCuts+stackPopper+stepLimiter",
true);
}
}
}
geant4 = new TGeant4("TGeant4", "The Geant4 Monte Carlo", runConfiguration);
cout << "Geant4 has been created." << endl;
}
else {
cout << "Monte Carlo has been already created." << endl;
}
// Customization of Geant4 VMC
//
geant4->ProcessGeantCommand("/mcVerbose/all 1");
geant4->ProcessGeantCommand("/mcVerbose/geometryManager 1");
geant4->ProcessGeantCommand("/mcVerbose/opGeometryManager 1");
geant4->ProcessGeantCommand("/mcTracking/loopVerbose 1");
geant4->ProcessGeantCommand("/mcPhysics/rangeCuts 0.01 mm");
// for Geant4 <= 9.4.p03
//geant4->ProcessGeantCommand("/mcPhysics/selectOpProcess Scintillation");
//geant4->ProcessGeantCommand("/mcPhysics/setOpProcessActivation false");
// for Geant4 >= 9.5
geant4->ProcessGeantCommand("/optics_engine/selectOpProcess Scintillation");
geant4->ProcessGeantCommand("/optics_engine/setOpProcessUse false");
geant4->ProcessGeantCommand("/optics_engine/selectOpProcess OpWLS");
geant4->ProcessGeantCommand("/optics_engine/setOpProcessUse false");
geant4->ProcessGeantCommand("/optics_engine/selectOpProcess OpMieHG");
geant4->ProcessGeantCommand("/optics_engine/setOpProcessUse false");
geant4->ProcessGeantCommand("/mcVerbose/composedPhysicsList 2");
geant4->ProcessGeantCommand("/mcTracking/skipNeutrino true");
// geant4->ProcessGeantCommand("/mcDet/setMaxStepInLowDensityMaterials 1 cm");
//
//=======================================================================
// ************* 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
gMC->SetProcess("DCAY",1);
gMC->SetProcess("PAIR",1);
gMC->SetProcess("COMP",1);
gMC->SetProcess("PHOT",1);
gMC->SetProcess("PFIS",0);
gMC->SetProcess("DRAY",0);
gMC->SetProcess("ANNI",1);
gMC->SetProcess("BREM",1);
gMC->SetProcess("MUNU",1);
gMC->SetProcess("CKOV",1);
gMC->SetProcess("HADR",1);
gMC->SetProcess("LOSS",2);
gMC->SetProcess("MULS",1);
gMC->SetProcess("RAYL",1);
Float_t cut = 1.e-3; // 1MeV cut by default
Float_t tofmax = 1.e10;
gMC->SetCut("CUTGAM", cut);
gMC->SetCut("CUTELE", cut);
gMC->SetCut("CUTNEU", cut);
gMC->SetCut("CUTHAD", cut);
gMC->SetCut("CUTMUO", cut);
gMC->SetCut("BCUTE", cut);
gMC->SetCut("BCUTM", cut);
gMC->SetCut("DCUTE", cut);
gMC->SetCut("DCUTM", cut);
gMC->SetCut("PPCUTM", cut);
gMC->SetCut("TOFMAX", tofmax);
//======================//
// Set External decayer //
//======================//
TVirtualMCDecayer* decayer = new AliDecayerPythia();
decayer->SetForceDecay(kAll);
decayer->Init();
gMC->SetExternalDecayer(decayer);
//=========================//
// Generator Configuration //
//=========================//
AliGenerator* gener = 0x0;
if (proc == kPythia6) {
gener = MbPythia();
} else if (proc == kPythia6D6T) {
gener = MbPythiaTuneD6T();
} else if (proc == kPythia6ATLAS) {
gener = MbPythiaTuneATLAS();
} else if (proc == kPythiaPerugia0) {
gener = MbPythiaTunePerugia0();
} else if (proc == kPythia6ATLAS_Flat) {
gener = MbPythiaTuneATLAS_Flat();
} else if (proc == kPhojet) {
gener = MbPhojet();
}
//
//
// Size of the interaction diamond
// Longitudinal
Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
if (energy == 900)
//sigmaz = 10.5 / TMath::Sqrt(2.); // [cm]
//sigmaz = 3.7;
if (energy == 7000)
sigmaz = 6.3 / TMath::Sqrt(2.); // [cm]
//
// Transverse
// beta*
Float_t betast = 10.0; // beta* [m]
if (runNumber >= 117048) betast = 2.0;
if (runNumber > 122375) betast = 3.5; // starting with fill 1179
//
//
Float_t eps = 5.0e-6; // emittance [m]
Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
gener->SetVertexSmear(kPerEvent);
gener->Init();
printf("\n \n Comment: %s \n \n", comment.Data());
}