[u/mrichter/AliRoot.git] / MFT / Config.C

#if !defined(__CINT__) || defined(__MAKECINT__)
#include <Riostream.h>
#include <TRandom.h>
#include <TDatime.h>
#include <TSystem.h>
#include <TVirtualMC.h>
#include <TGeant3TGeo.h>
#include "AliRunLoader.h"
#include "AliRun.h"
#include "AliConfig.h"
#include "AliDecayerPythia.h"
#include "AliGenPythia.h"
#include "AliGenDPMjet.h"
#include "AliMagFCheb.h"
#include "AliBODY.h"
#include "AliMAG.h"
#include "AliABSOv3.h"
#include "AliDIPOv3.h"
#include "AliHALLv3.h"
#include "AliFRAMEv2.h"
#include "AliSHILv3.h"
#include "AliPIPEv3.h"
#include "AliPIPEv4.h"
#include "AliITSv11.h"
#include "AliTPCv2.h"
#include "AliTOFv6T0.h"
#include "AliHMPIDv3.h"
#include "AliZDCv3.h"
#include "AliTRDv1.h"
#include "AliTRDgeometry.h"
#include "AliFMDv1.h"
#include "AliMUONv1.h"
#include "AliPHOSv1.h"
#include "AliPHOSSimParam.h"
#include "AliPMDv1.h"
#include "AliT0v1.h"
#include "AliEMCALv2.h"
#include "AliACORDEv1.h"
#include "AliVZEROv7.h"
#include "AliMFT.h"
#endif

enum PDCProc_t {kGenBox,
		kGenMuonLMR,
		kGenPionKaon,
		kGenCorrHF,
                kPythia6,
		kPythiaPerugia0, 
		kPythiaPerugia0Jpsi2e, 
		kPythiaPerugia0BtoJpsi2e, 
		kHijing, 
		kHijing2500,
		kHijing2500Cocktail};

const Char_t* pprRunName[] = {"kGenBox",
			      "kGenMuonLMR",
			      "kGenPionKaon",
			      "kGenCorrHF",
			      "kPythia6",
			      "kPythiaPerugia0", 
			      "kPythiaPerugia0Jpsi2e", 
			      "kPythiaPerugia0BtoJpsi2e", 
			      "kHijing", 
			      "kHijing2500", 
			      "kHijing2500Cocktail"};

enum Mag_t { kNoField, k5kG, kFieldMax };

const Char_t* pprField[] = { "kNoField", "k5kG", "kFieldMax" };

void LoadLibs();

// ----------------------- Generator, field, beam energy,... ------------------------------------------------------------
static PDCProc_t     proc     = kGenPionKaon;
static PDCProc_t     signal   = kGenBox;    // only in case kHijing2500Cocktail is the proc
static Mag_t         mag      = k5kG;
static Float_t       energy   = 14000.; // energy in CMS
static Float_t       bMin     = 0.;
static Float_t       bMax =   = 5.; // 0-5 fm corresponds to around 0-10% (see https://twiki.cern.ch/twiki/bin/viewauth/ALICE/CentStudies#Tables_with_centrality_bins_for)
static Double_t      JpsiPol  = 0; // Jpsi polarisation
static Bool_t        JpsiHarderPt = kFALSE; // Jpsi harder pt spectrum (8.8 TeV)
// ----------------------------------------------------------------------------------------------------------------------

static TString comment;

//====================================================================================================================================================

void Config() {

  //  AliLog::SetClassDebugLevel("AliMFT", 1);

  LoadLibs();

  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);

  // ************* 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); 
  
  TVirtualMCDecayer *decayer = new AliDecayerPythia();
  decayer->SetForceDecay(kAll);
  decayer->Init();
  gMC->SetExternalDecayer(decayer);
  
  // Generator
  AliGenerator* gener = 0x0;
  if (proc == kPythia6)                   gener = MbPythia(); 
  else if (proc == kPythiaPerugia0)       gener = MbPythiaTunePerugia0();
  else if (proc == kHijing)               gener = Hijing();	
  else if (proc == kHijing2500)           gener = Hijing2500();	
  else if (proc == kHijing2500Cocktail)   gener = Hijing2500Cocktail();
  else if (proc == kGenBox)               gener = GenBox();
  else if (proc == kGenMuonLMR)           gener = GenMuonLMR();
  else if (proc == kGenCorrHF)            gener = GenCorrHF();
  else if (proc == kGenPionKaon)          gener = GenParamPionKaon();

  // Size of the interaction diamond
  Float_t sigmaz  = 5.4 / TMath::Sqrt(2.);     // [cm]
  Float_t betast  = 3.5;                       // 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());

  //  TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG, AliMagF::kBeamTypeAA, 2750.));
  TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG, AliMagF::kBeamTypepp, 7000.));

  rl->CdGAFile();
  
  // Detector Setup

  Int_t iABSO  = 1;
  Int_t iDIPO  = 1;
  Int_t iHALL  = 1;
  Int_t iMUON  = 1;
  Int_t iPIPE  = 1;
  Int_t iSHIL  = 1;
  Int_t iT0    = 0;
  Int_t iVZERO = 1;
  Int_t iMFT   = 1;
  Int_t iACORDE= 0;
  Int_t iEMCAL = 0;
  Int_t iFMD   = 0;
  Int_t iFRAME = 0;
  Int_t iITS   = 0;
  Int_t iMAG   = 0;
  Int_t iPHOS  = 0;
  Int_t iPMD   = 0;
  Int_t iHMPID = 0;
  Int_t iTOF   = 0;
  Int_t iTPC   = 0;
  Int_t iTRD   = 0;
  Int_t iZDC   = 0;
  

  AliBODY *BODY = new AliBODY("BODY", "Alice envelop");

  if (iMAG)       AliMAG    *MAG    = new AliMAG("MAG", "Magnet");
  if (iABSO)      AliABSO   *ABSO   = new AliABSOv3("ABSO", "Muon Absorber");
  if (iDIPO)      AliDIPO   *DIPO   = new AliDIPOv3("DIPO", "Dipole version 3");
  if (iHALL)      AliHALL   *HALL   = new AliHALLv3("HALL", "Alice Hall");
  if (iSHIL)      AliSHIL   *SHIL   = new AliSHILv3("SHIL", "Shielding Version 3");
  if (iITS)       AliITS    *ITS    = new AliITSv11("ITS","ITS v11");
  if (iTPC)       AliTPC    *TPC    = new AliTPCv2("TPC", "Default");
  if (iTOF)       AliTOF    *TOF    = new AliTOFv6T0("TOF", "normal TOF");
  if (iHMPID)     AliHMPID  *HMPID  = new AliHMPIDv3("HMPID", "normal HMPID");
  if (iFMD)       AliFMD    *FMD    = new AliFMDv1("FMD", "normal FMD");
  if (iPHOS)      AliPHOS   *PHOS   = new AliPHOSv1("PHOS", "noCPV_Modules123");
  if (iPMD)       AliPMD    *PMD    = new AliPMDv1("PMD", "normal PMD");
  if (iT0)        AliT0     *T0     = new AliT0v1("T0", "T0 Detector");
  if (iEMCAL)     AliEMCAL  *EMCAL  = new AliEMCALv2("EMCAL", "EMCAL_FIRSTYEARV1");
  if (iACORDE)    AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
  if (iVZERO)     AliVZERO  *VZERO  = new AliVZEROv7("VZERO", "normal VZERO");
  if (iFRAME) {
    AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
    FRAME->SetHoles(1);
  }
  if (iPIPE) {
    //    AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
    AliPIPE *PIPE = new AliPIPEv4("PIPE", "Beam Pipe", 1.98, 0.08);
  }
  if (iZDC) {
    AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
    ZDC->SetSpectatorsTrack();	
    ZDC->SetLumiLength(0.);
  }
  if (iTRD) {
    AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
  }
  if (iMUON) {
    AliMUON *MUON = new AliMUONv1("MUON", "default");
    MUON->SetTriggerEffCells(1); // not needed if raw masks 
    Char_t* digitstore="AliMUONDigitStoreV2S";    
    MUON->SetDigitStoreClassName(digitstore);
  }
  if (iMFT) {
    AliMFT *MFT = new AliMFT("MFT", "normal MFT");
    MFT->SetNSlices(1);
    MFT->SetChargeDispersion(20.e-4);
    MFT->SetNStepForChargeDispersion(4);
  }

  TIter next(gAlice->Modules());
  AliModule *detector;
  printf("gAlice->Modules:\n");
  while((detector = (AliModule*)next())) printf("%s\n",detector->GetName());

}

//====================================================================================================================================================

AliGenerator* GenBox() {

  AliGenBox *gener = new AliGenBox(2);
  gener->SetMomentumRange(10.0, 10.1);
  gener->SetPhiRange(0., 360.);         
  gener->SetThetaRange(171.0,178.0);
  gener->SetPart(kMuonMinus);           // Muons
  gener->SetOrigin(0., 0., 0.);         // vertex position
  
  return gener;
  
}

//====================================================================================================================================================

AliGenerator* GenMuonLMR() {
  
  AliGenMUONLMR *gener = new AliGenMUONLMR();
  gener->SetMomentumRange(0,999);
  gener->SetPtRange(0,100.);
  gener->SetPhiRange(0., 360.);
  gener->SetThetaRange(0., 180.);
  gener->SetChildThetaRange(170.0,179.0);
  gener->SetYRange(-4.5, -2.0);
  gener->SetOrigin(0.0, 0.0, 0.0);             // vertex position
  gener->SetSigma(0.0, 0.0, 0.0);              // vertex position smearing
  gener->SetVertexSmear(kPerEvent);
  enum {kEta2Body, kEtaDalitz, kRho2Body, kOmega2Body, kOmegaDalitz, kPhi2Body, kEtaPrimeDalitz, kPionLMR, kKaonLMR}; 
  gener->GenerateSingleProcess(kPhi2Body, 500);
  gener->SetCutOnChild(1);

  return gener;

}

//====================================================================================================================================================

AliGenerator* GenParamPionKaon() {
  
  AliGenParamPionsKaons *gener = new AliGenParamPionsKaons(100,"$ALICE_ROOT/MFT/PionKaonKinematics.root");
  gener->SetPtRange(0, 5.);
  gener->SetPhiRange(0., 360.);
  gener->SetYRange(-10., 0.);
  gener->SetOrigin(0.0, 0.0, 0.0);  // vertex position
  gener->SetSigma(0.0, 0.0, 0.0);   // vertex position smearing
  //  gener->SetCutOnChild(1);

  return gener;

}

//====================================================================================================================================================

AliGenerator* GenCorrHF() {
  
  AliGenCorrHF *gener = new AliGenCorrHF(1, 4, 14);  // for charm, 1 pair per event
  // AliGenCorrHF *gener = new AliGenCorrHF(1, 5, 14);  // for beauty, 1 pair per event
  
  gener->SetMomentumRange(0,9999);
  gener->SetCutOnChild(1);          // 1/0 means cuts on children enable/disable
  gener->SetChildThetaRange(170.0,179.0);
  gener->SetOrigin(0,0,0);          //vertex position    
  gener->SetForceDecay(kSemiMuonic);
  gener->SetTrackingFlag(1);
  gener->Init();
  
  return gener;
  
}

//====================================================================================================================================================

AliGenerator* MbPythia() {
  
  comment = comment.Append(" pp: Pythia low-pt");
  
  //    Pythia
  AliGenPythia* pythia = new AliGenPythia(-1); 
  pythia->SetMomentumRange(0, 999999.);
  //  pythia->SetThetaRange(0., 180.);
  //  pythia->SetChildYRange(-12.,0.);
  //  pythia->SetPtRange(0,1000.);
  //  pythia->SetCutOnChild(1);
  pythia->SetProcess(kPyMb);
  pythia->SetEnergyCMS(energy);
  pythia->SetForceDecay(kSemiMuonic);
  
  return pythia;
}

//====================================================================================================================================================

AliGenerator* MbPythiaTunePerugia0() {
  
  comment = comment.Append(" pp: Pythia low-pt (Perugia0)");
  
  //    Pythia
  AliGenPythia* pythia = new AliGenPythia(-1); 
  pythia->SetMomentumRange(0, 999999.);
  pythia->SetThetaRange(0., 180.);
  pythia->SetYRange(-12.,12.);
  pythia->SetPtRange(0,1000.);
  pythia->SetProcess(kPyMb);
  pythia->SetEnergyCMS(energy);
  //    Tune
  //    320     Perugia 0
  pythia->SetTune(320); 
  pythia->UseNewMultipleInteractionsScenario();
  
  return pythia;
}

//====================================================================================================================================================

AliGenerator* MbPythiaTunePerugia0Jpsi2e() {
  
  comment = comment.Append("Jpsi forced to dielectrons");
  AliGenParam *jpsi=0x0;
  if(JpsiHarderPt) jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF pp 8.8", "Jpsi");  // 8.8 TeV
  else jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF pp 7", "Jpsi");  // 7 TeV
  jpsi->SetPtRange(0.,999.);
  jpsi->SetYRange(-1.0, 1.0);
  jpsi->SetPhiRange(0.,360.);
  jpsi->SetForceDecay(kDiElectron);
  return jpsi;

}

//====================================================================================================================================================

AliGenerator* MbPythiaTunePerugia0BtoJpsi2e() {

  comment = comment.Append(" pp: Pythia (Perugia0) BtoJpsi (1 bbbar per event, 1 b-hadron in |y|<2, 1 J/psi in |y|<2");
  
  //    Pythia
  AliGenPythia* pythia = new AliGenPythia(-1);
  pythia->SetMomentumRange(0, 999999.);
  pythia->SetThetaRange(0., 180.);
  pythia->SetYRange(-2.,2.);
  pythia->SetPtRange(0,1000.);
  pythia->SetProcess(kPyBeautyppMNRwmi);
  pythia->SetEnergyCMS(energy);
  //    Tune
  //    320     Perugia 0
  pythia->SetTune(320);
  pythia->UseNewMultipleInteractionsScenario();
  //
  //    decays
  pythia->SetCutOnChild(1);
  pythia->SetPdgCodeParticleforAcceptanceCut(443);
  pythia->SetChildYRange(-2,2);
  pythia->SetChildPtRange(0,10000.);
  //
  //    decays
  pythia->SetForceDecay(kBJpsiDiElectron);
  
  return pythia;
}

//====================================================================================================================================================

AliGenerator* HijingParam() {

  AliGenHIJINGpara *gener = new AliGenHIJINGpara(2000);
  gener->SetMomentumRange(0,999);
  gener->SetPhiRange(0,360);
  gener->SetThetaRange(171, 179);
  gener->SetOrigin(0,0,0);        // vertex position
  gener->SetSigma(0,0,0);         // Sigma in (X,Y,Z) (cm) on IP position
  gGener = gener;
  
  return gener;

}

//====================================================================================================================================================

AliGenerator* Hijing() {
  
  AliGenHijing *gener = new AliGenHijing(-1);
  // centre of mass energy 
  gener->SetEnergyCMS(energy);
  gener->SetImpactParameterRange(bMin, bMax);	
  // reference frame
  gener->SetReferenceFrame("CMS");
  // projectile
  gener->SetProjectile("A", 208, 82);
  gener->SetTarget    ("A", 208, 82);
  // tell hijing to keep the full parent child chain
  gener->KeepFullEvent();
  // enable jet quenching
  gener->SetJetQuenching(1);
  // enable shadowing
  gener->SetShadowing(1);
  // Don't track spectators
  gener->SetSpectators(0);
  // kinematic selection
  gener->SetSelectAll(0);
  return gener;
}

//====================================================================================================================================================

AliGenerator* Hijing2500() {
  
  AliGenHijing *gener = (AliGenHijing*) Hijing();
  gener->SetJetQuenching(0);	
  gener->SetPtHardMin (4.5);
  return gener;
  
}

//====================================================================================================================================================

AliGenerator* Hijing2500Cocktail() {
  
  comment = comment.Append(" PbPb: Hjing2500 at 5.5 + muon signals");

  AliGenCocktail *cocktail = new AliGenCocktail();
  cocktail->SetProjectile("A", 208, 82);
  cocktail->SetTarget    ("A", 208, 82);
  cocktail->SetEnergyCMS(energy);

  // 1 Hijing event: provides underlying event and collision geometry 
  AliGenHijing *hijing = Hijing2500();
  cocktail->AddGenerator(hijing,"hijing",1);

  // generator for the custom signal
  AliGenerator* signalGen = 0x0;      
  switch (signal) {
  case 0:
    signalGen = GenBox();
    break;
  case 1:
    signalGen = GenMuonLMR(); 
    break;
  case 2:
    signalGen = GenCorrHF();
    break;
  default:
    signalGen = GenBox();
    break;
  }
  cocktail->AddGenerator(signalGen, "signal", 1);

  cocktail->SetTrackingFlag(1);

  return cocktail;

}

//====================================================================================================================================================

void LoadLibs() {

#if defined(__CINT__)

  gSystem->Load("liblhapdf");      // Parton density functions
  gSystem->Load("libEGPythia6");   // TGenerator interface
  if (proc == kPythia6) {
    gSystem->Load("libpythia6");        // Pythia 6.2
    gSystem->Load("libAliPythia6");     // ALICE specific implementations
  } 
  else {
    gSystem->Load("libpythia6.4.21");   // Pythia 6.4
    gSystem->Load("libAliPythia6");     // ALICE specific implementations	
  }
  
  if (proc == kHijing || proc == kHijing2500 || proc == kHijing2500Cocktail) {
    gSystem->Load("libhijing");	
    gSystem->Load("libTHijing");
  } 
  
  gSystem->Load("libgeant321");
  
#endif

}

//====================================================================================================================================================
Commit	Line	Data
c95698be	1	#if !defined(__CINT__) \|\| defined(__MAKECINT__)
	2	#include <Riostream.h>
	3	#include <TRandom.h>
	4	#include <TDatime.h>
	5	#include <TSystem.h>
	6	#include <TVirtualMC.h>
	7	#include <TGeant3TGeo.h>
	8	#include "AliRunLoader.h"
	9	#include "AliRun.h"
	10	#include "AliConfig.h"
	11	#include "AliDecayerPythia.h"
	12	#include "AliGenPythia.h"
	13	#include "AliGenDPMjet.h"
	14	#include "AliMagFCheb.h"
	15	#include "AliBODY.h"
	16	#include "AliMAG.h"
	17	#include "AliABSOv3.h"
	18	#include "AliDIPOv3.h"
	19	#include "AliHALLv3.h"
	20	#include "AliFRAMEv2.h"
	21	#include "AliSHILv3.h"
	22	#include "AliPIPEv3.h"
	23	#include "AliPIPEv4.h"
	24	#include "AliITSv11.h"
	25	#include "AliTPCv2.h"
	26	#include "AliTOFv6T0.h"
	27	#include "AliHMPIDv3.h"
	28	#include "AliZDCv3.h"
	29	#include "AliTRDv1.h"
	30	#include "AliTRDgeometry.h"
	31	#include "AliFMDv1.h"
	32	#include "AliMUONv1.h"
	33	#include "AliPHOSv1.h"
	34	#include "AliPHOSSimParam.h"
	35	#include "AliPMDv1.h"
	36	#include "AliT0v1.h"
	37	#include "AliEMCALv2.h"
	38	#include "AliACORDEv1.h"
	39	#include "AliVZEROv7.h"
	40	#include "AliMFT.h"
	41	#endif
	42
	43	enum PDCProc_t {kGenBox,
	44	kGenMuonLMR,
6e8e4c4a	45	kGenPionKaon,
c95698be	46	kGenCorrHF,
	47	kPythia6,
	48	kPythiaPerugia0,
	49	kPythiaPerugia0Jpsi2e,
	50	kPythiaPerugia0BtoJpsi2e,
	51	kHijing,
	52	kHijing2500,
	53	kHijing2500Cocktail};
	54
	55	const Char_t* pprRunName[] = {"kGenBox",
	56	"kGenMuonLMR",
6e8e4c4a	57	"kGenPionKaon",
c95698be	58	"kGenCorrHF",
	59	"kPythia6",
	60	"kPythiaPerugia0",
	61	"kPythiaPerugia0Jpsi2e",
	62	"kPythiaPerugia0BtoJpsi2e",
	63	"kHijing",
	64	"kHijing2500",
	65	"kHijing2500Cocktail"};
	66
	67	enum Mag_t { kNoField, k5kG, kFieldMax };
	68
	69	const Char_t* pprField[] = { "kNoField", "k5kG", "kFieldMax" };
	70
	71	void LoadLibs();
	72
	73	// ----------------------- Generator, field, beam energy,... ------------------------------------------------------------
6e8e4c4a	74	static PDCProc_t proc = kGenPionKaon;
c95698be	75	static PDCProc_t signal = kGenBox; // only in case kHijing2500Cocktail is the proc
	76	static Mag_t mag = k5kG;
	77	static Float_t energy = 14000.; // energy in CMS
	78	static Float_t bMin = 0.;
	79	static Float_t bMax = = 5.; // 0-5 fm corresponds to around 0-10% (see https://twiki.cern.ch/twiki/bin/viewauth/ALICE/CentStudies#Tables_with_centrality_bins_for)
	80	static Double_t JpsiPol = 0; // Jpsi polarisation
	81	static Bool_t JpsiHarderPt = kFALSE; // Jpsi harder pt spectrum (8.8 TeV)
	82	// ----------------------------------------------------------------------------------------------------------------------
	83
	84	static TString comment;
	85
	86	//====================================================================================================================================================
	87
	88	void Config() {
	89
	90	// AliLog::SetClassDebugLevel("AliMFT", 1);
	91
	92	LoadLibs();
	93
	94	new TGeant3TGeo("C++ Interface to Geant3");
	95
	96	// Create the output file
	97
	98	AliRunLoader* rl=0x0;
	99
	100	cout<<"Config.C: Creating Run Loader ..."<<endl;
	101	rl = AliRunLoader::Open("galice.root", AliConfig::GetDefaultEventFolderName(), "recreate");
	102	if (rl == 0x0) {
	103	gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
	104	return;
	105	}
	106	rl->SetCompressionLevel(2);
	107	rl->SetNumberOfEventsPerFile(1000);
	108	gAlice->SetRunLoader(rl);
	109
	110	// *********** STEERING parameters FOR ALICE SIMULATION ************
	111	// --- Specify event type to be tracked through the ALICE setup
	112	// --- All positions are in cm, angles in degrees, and P and E in GeV
	113
	114	gMC->SetProcess("DCAY",1);
	115	gMC->SetProcess("PAIR",1);
	116	gMC->SetProcess("COMP",1);
	117	gMC->SetProcess("PHOT",1);
	118	gMC->SetProcess("PFIS",0);
	119	gMC->SetProcess("DRAY",0);
	120	gMC->SetProcess("ANNI",1);
	121	gMC->SetProcess("BREM",1);
	122	gMC->SetProcess("MUNU",1);
	123	gMC->SetProcess("CKOV",1);
	124	gMC->SetProcess("HADR",1);
	125	gMC->SetProcess("LOSS",2);
	126	gMC->SetProcess("MULS",1);
	127	gMC->SetProcess("RAYL",1);
	128
	129	Float_t cut = 1.e-3; // 1MeV cut by default
	130	Float_t tofmax = 1.e10;
	131
	132	gMC->SetCut("CUTGAM", cut);
	133	gMC->SetCut("CUTELE", cut);
	134	gMC->SetCut("CUTNEU", cut);
	135	gMC->SetCut("CUTHAD", cut);
	136	gMC->SetCut("CUTMUO", cut);
	137	gMC->SetCut("BCUTE", cut);
	138	gMC->SetCut("BCUTM", cut);
139	gMC->SetCut("DCUTE", cut);
140	gMC->SetCut("DCUTM", cut);
141	gMC->SetCut("PPCUTM", cut);
142	gMC->SetCut("TOFMAX", tofmax);
143
144	TVirtualMCDecayer *decayer = new AliDecayerPythia();
145	decayer->SetForceDecay(kAll);
146	decayer->Init();
147	gMC->SetExternalDecayer(decayer);
148
149	// Generator
150	AliGenerator* gener = 0x0;
151	if (proc == kPythia6) gener = MbPythia();
152	else if (proc == kPythiaPerugia0) gener = MbPythiaTunePerugia0();
153	else if (proc == kHijing) gener = Hijing();
154	else if (proc == kHijing2500) gener = Hijing2500();
155	else if (proc == kHijing2500Cocktail) gener = Hijing2500Cocktail();
156	else if (proc == kGenBox) gener = GenBox();
157	else if (proc == kGenMuonLMR) gener = GenMuonLMR();
158	else if (proc == kGenCorrHF) gener = GenCorrHF();
6e8e4c4a	159	else if (proc == kGenPionKaon) gener = GenParamPionKaon();
c95698be	160
	161	// Size of the interaction diamond
	162	Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
	163	Float_t betast = 3.5; // beta* [m]
	164	Float_t eps = 3.75e-6; // emittance [m]
	165	Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
	166	Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
	167
	168	printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
	169
	170	// gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
	171	// gener->SetVertexSmear(kPerEvent);
	172	gener->Init();
	173
	174	printf("\n \n Comment: %s \n \n", comment.Data());
	175
	176	// TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG, AliMagF::kBeamTypeAA, 2750.));
	177	TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG, AliMagF::kBeamTypepp, 7000.));
	178
	179	rl->CdGAFile();
	180
	181	// Detector Setup
	182
	183	Int_t iABSO = 1;
	184	Int_t iDIPO = 1;
	185	Int_t iHALL = 1;
	186	Int_t iMUON = 1;
	187	Int_t iPIPE = 1;
	188	Int_t iSHIL = 1;
	189	Int_t iT0 = 0;
	190	Int_t iVZERO = 1;
	191	Int_t iMFT = 1;
	192	Int_t iACORDE= 0;
	193	Int_t iEMCAL = 0;
	194	Int_t iFMD = 0;
	195	Int_t iFRAME = 0;
	196	Int_t iITS = 0;
	197	Int_t iMAG = 0;
	198	Int_t iPHOS = 0;
	199	Int_t iPMD = 0;
	200	Int_t iHMPID = 0;
	201	Int_t iTOF = 0;
	202	Int_t iTPC = 0;
	203	Int_t iTRD = 0;
	204	Int_t iZDC = 0;
	205
	206
	207	AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
	208
	209	if (iMAG) AliMAG *MAG = new AliMAG("MAG", "Magnet");
	210	if (iABSO) AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
	211	if (iDIPO) AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
	212	if (iHALL) AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
	213	if (iSHIL) AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
	214	if (iITS) AliITS *ITS = new AliITSv11("ITS","ITS v11");
	215	if (iTPC) AliTPC *TPC = new AliTPCv2("TPC", "Default");
	216	if (iTOF) AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
	217	if (iHMPID) AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
	218	if (iFMD) AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
	219	if (iPHOS) AliPHOS *PHOS = new AliPHOSv1("PHOS", "noCPV_Modules123");
	220	if (iPMD) AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
	221	if (iT0) AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
	222	if (iEMCAL) AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_FIRSTYEARV1");
	223	if (iACORDE) AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
224	if (iVZERO) AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
225	if (iFRAME) {
226	AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
227	FRAME->SetHoles(1);
228	}
229	if (iPIPE) {
230	// AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
6e8e4c4a	231	AliPIPE *PIPE = new AliPIPEv4("PIPE", "Beam Pipe", 1.98, 0.08);
c95698be	232	}
	233	if (iZDC) {
	234	AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
	235	ZDC->SetSpectatorsTrack();
	236	ZDC->SetLumiLength(0.);
	237	}
	238	if (iTRD) {
	239	AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
	240	}
	241	if (iMUON) {
	242	AliMUON *MUON = new AliMUONv1("MUON", "default");
	243	MUON->SetTriggerEffCells(1); // not needed if raw masks
	244	Char_t* digitstore="AliMUONDigitStoreV2S";
	245	MUON->SetDigitStoreClassName(digitstore);
	246	}
	247	if (iMFT) {
	248	AliMFT *MFT = new AliMFT("MFT", "normal MFT");
	249	MFT->SetNSlices(1);
	250	MFT->SetChargeDispersion(20.e-4);
	251	MFT->SetNStepForChargeDispersion(4);
	252	}
	253
	254	TIter next(gAlice->Modules());
	255	AliModule *detector;
	256	printf("gAlice->Modules:\n");
	257	while((detector = (AliModule*)next())) printf("%s\n",detector->GetName());
	258
	259	}
	260
	261	//====================================================================================================================================================
	262
	263	AliGenerator* GenBox() {
	264
	265	AliGenBox *gener = new AliGenBox(2);
	266	gener->SetMomentumRange(10.0, 10.1);
	267	gener->SetPhiRange(0., 360.);
	268	gener->SetThetaRange(171.0,178.0);
	269	gener->SetPart(kMuonMinus); // Muons
	270	gener->SetOrigin(0., 0., 0.); // vertex position
	271
	272	return gener;
	273
	274	}
	275
	276	//====================================================================================================================================================
	277
	278	AliGenerator* GenMuonLMR() {
	279
	280	AliGenMUONLMR *gener = new AliGenMUONLMR();
	281	gener->SetMomentumRange(0,999);
	282	gener->SetPtRange(0,100.);
	283	gener->SetPhiRange(0., 360.);
	284	gener->SetThetaRange(0., 180.);
	285	gener->SetChildThetaRange(170.0,179.0);
	286	gener->SetYRange(-4.5, -2.0);
	287	gener->SetOrigin(0.0, 0.0, 0.0); // vertex position
	288	gener->SetSigma(0.0, 0.0, 0.0); // vertex position smearing
	289	gener->SetVertexSmear(kPerEvent);
	290	enum {kEta2Body, kEtaDalitz, kRho2Body, kOmega2Body, kOmegaDalitz, kPhi2Body, kEtaPrimeDalitz, kPionLMR, kKaonLMR};
	291	gener->GenerateSingleProcess(kPhi2Body, 500);
	292	gener->SetCutOnChild(1);
	293
	294	return gener;
	295
296	}
297
298	//====================================================================================================================================================
299
6e8e4c4a	300	AliGenerator* GenParamPionKaon() {
	301
	302	AliGenParamPionsKaons *gener = new AliGenParamPionsKaons(100,"$ALICE_ROOT/MFT/PionKaonKinematics.root");
	303	gener->SetPtRange(0, 5.);
	304	gener->SetPhiRange(0., 360.);
	305	gener->SetYRange(-10., 0.);
	306	gener->SetOrigin(0.0, 0.0, 0.0); // vertex position
	307	gener->SetSigma(0.0, 0.0, 0.0); // vertex position smearing
	308	// gener->SetCutOnChild(1);
	309
	310	return gener;
	311
	312	}
	313
	314	//====================================================================================================================================================
	315
c95698be	316	AliGenerator* GenCorrHF() {
	317
	318	AliGenCorrHF *gener = new AliGenCorrHF(1, 4, 14); // for charm, 1 pair per event
	319	// AliGenCorrHF *gener = new AliGenCorrHF(1, 5, 14); // for beauty, 1 pair per event
	320
	321	gener->SetMomentumRange(0,9999);
	322	gener->SetCutOnChild(1); // 1/0 means cuts on children enable/disable
	323	gener->SetChildThetaRange(170.0,179.0);
	324	gener->SetOrigin(0,0,0); //vertex position
	325	gener->SetForceDecay(kSemiMuonic);
	326	gener->SetTrackingFlag(1);
	327	gener->Init();
	328
	329	return gener;
	330
	331	}
	332
	333	//====================================================================================================================================================
	334
	335	AliGenerator* MbPythia() {
	336
	337	comment = comment.Append(" pp: Pythia low-pt");
	338
	339	// Pythia
	340	AliGenPythia* pythia = new AliGenPythia(-1);
	341	pythia->SetMomentumRange(0, 999999.);
	342	// pythia->SetThetaRange(0., 180.);
	343	// pythia->SetChildYRange(-12.,0.);
	344	// pythia->SetPtRange(0,1000.);
	345	// pythia->SetCutOnChild(1);
	346	pythia->SetProcess(kPyMb);
	347	pythia->SetEnergyCMS(energy);
	348	pythia->SetForceDecay(kSemiMuonic);
	349
	350	return pythia;
	351	}
	352
	353	//====================================================================================================================================================
	354
	355	AliGenerator* MbPythiaTunePerugia0() {
	356
	357	comment = comment.Append(" pp: Pythia low-pt (Perugia0)");
	358
	359	// Pythia
	360	AliGenPythia* pythia = new AliGenPythia(-1);
	361	pythia->SetMomentumRange(0, 999999.);
	362	pythia->SetThetaRange(0., 180.);
	363	pythia->SetYRange(-12.,12.);
	364	pythia->SetPtRange(0,1000.);
	365	pythia->SetProcess(kPyMb);
	366	pythia->SetEnergyCMS(energy);
	367	// Tune
	368	// 320 Perugia 0
	369	pythia->SetTune(320);
	370	pythia->UseNewMultipleInteractionsScenario();
	371
	372	return pythia;
	373	}
	374
	375	//====================================================================================================================================================
	376
	377	AliGenerator* MbPythiaTunePerugia0Jpsi2e() {
	378
	379	comment = comment.Append("Jpsi forced to dielectrons");
380	AliGenParam *jpsi=0x0;
381	if(JpsiHarderPt) jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF pp 8.8", "Jpsi"); // 8.8 TeV
382	else jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF pp 7", "Jpsi"); // 7 TeV
383	jpsi->SetPtRange(0.,999.);
384	jpsi->SetYRange(-1.0, 1.0);
385	jpsi->SetPhiRange(0.,360.);
386	jpsi->SetForceDecay(kDiElectron);
387	return jpsi;
388
389	}
390
391	//====================================================================================================================================================
392
393	AliGenerator* MbPythiaTunePerugia0BtoJpsi2e() {
394
395	comment = comment.Append(" pp: Pythia (Perugia0) BtoJpsi (1 bbbar per event, 1 b-hadron in \|y\|<2, 1 J/psi in \|y\|<2");
396
397	// Pythia
398	AliGenPythia* pythia = new AliGenPythia(-1);
399	pythia->SetMomentumRange(0, 999999.);
400	pythia->SetThetaRange(0., 180.);
401	pythia->SetYRange(-2.,2.);
402	pythia->SetPtRange(0,1000.);
403	pythia->SetProcess(kPyBeautyppMNRwmi);
404	pythia->SetEnergyCMS(energy);
405	// Tune
406	// 320 Perugia 0
407	pythia->SetTune(320);
408	pythia->UseNewMultipleInteractionsScenario();
409	//
410	// decays
411	pythia->SetCutOnChild(1);
412	pythia->SetPdgCodeParticleforAcceptanceCut(443);
413	pythia->SetChildYRange(-2,2);
414	pythia->SetChildPtRange(0,10000.);
415	//
416	// decays
417	pythia->SetForceDecay(kBJpsiDiElectron);
418
419	return pythia;
420	}
421
422	//====================================================================================================================================================
423
424	AliGenerator* HijingParam() {
425
426	AliGenHIJINGpara *gener = new AliGenHIJINGpara(2000);
427	gener->SetMomentumRange(0,999);
428	gener->SetPhiRange(0,360);
429	gener->SetThetaRange(171, 179);
430	gener->SetOrigin(0,0,0); // vertex position
431	gener->SetSigma(0,0,0); // Sigma in (X,Y,Z) (cm) on IP position
432	gGener = gener;
433
434	return gener;
435
436	}
437
438	//====================================================================================================================================================
439
440	AliGenerator* Hijing() {
441
442	AliGenHijing *gener = new AliGenHijing(-1);
443	// centre of mass energy
444	gener->SetEnergyCMS(energy);
445	gener->SetImpactParameterRange(bMin, bMax);
446	// reference frame
447	gener->SetReferenceFrame("CMS");
448	// projectile
449	gener->SetProjectile("A", 208, 82);
450	gener->SetTarget ("A", 208, 82);
451	// tell hijing to keep the full parent child chain
452	gener->KeepFullEvent();
453	// enable jet quenching
454	gener->SetJetQuenching(1);
455	// enable shadowing
456	gener->SetShadowing(1);
457	// Don't track spectators
458	gener->SetSpectators(0);
459	// kinematic selection
460	gener->SetSelectAll(0);
461	return gener;
462	}
463
464	//====================================================================================================================================================
465
466	AliGenerator* Hijing2500() {
467
468	AliGenHijing gener = (AliGenHijing) Hijing();
469	gener->SetJetQuenching(0);
470	gener->SetPtHardMin (4.5);
471	return gener;
472
473	}
474
475	//====================================================================================================================================================
476
477	AliGenerator* Hijing2500Cocktail() {
478
479	comment = comment.Append(" PbPb: Hjing2500 at 5.5 + muon signals");
480
481	AliGenCocktail *cocktail = new AliGenCocktail();
482	cocktail->SetProjectile("A", 208, 82);
483	cocktail->SetTarget ("A", 208, 82);
484	cocktail->SetEnergyCMS(energy);
485
486	// 1 Hijing event: provides underlying event and collision geometry
487	AliGenHijing *hijing = Hijing2500();
488	cocktail->AddGenerator(hijing,"hijing",1);
489
490	// generator for the custom signal
491	AliGenerator* signalGen = 0x0;
492	switch (signal) {
493	case 0:
494	signalGen = GenBox();
495	break;
496	case 1:
497	signalGen = GenMuonLMR();
498	break;
499	case 2:
500	signalGen = GenCorrHF();
501	break;
502	default:
503	signalGen = GenBox();
504	break;
505	}
506	cocktail->AddGenerator(signalGen, "signal", 1);
507
508	cocktail->SetTrackingFlag(1);
509
510	return cocktail;
511
512	}
513
514	//====================================================================================================================================================
515
516	void LoadLibs() {
517
518	#if defined(__CINT__)
519
520	gSystem->Load("liblhapdf"); // Parton density functions
521	gSystem->Load("libEGPythia6"); // TGenerator interface
522	if (proc == kPythia6) {
523	gSystem->Load("libpythia6"); // Pythia 6.2
524	gSystem->Load("libAliPythia6"); // ALICE specific implementations
525	}
526	else {
527	gSystem->Load("libpythia6.4.21"); // Pythia 6.4
528	gSystem->Load("libAliPythia6"); // ALICE specific implementations
529	}
530
531	if (proc == kHijing \|\| proc == kHijing2500 \|\| proc == kHijing2500Cocktail) {
532	gSystem->Load("libhijing");
533	gSystem->Load("libTHijing");
534	}
535
536	gSystem->Load("libgeant321");
537
538	#endif
539
540	}
541
542	//====================================================================================================================================================
543