[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,
		kGenCorrHF,
                kPythia6,
		kPythiaPerugia0, 
		kPythiaPerugia0Jpsi2e, 
		kPythiaPerugia0BtoJpsi2e, 
		kHijing, 
		kHijing2500,
		kHijing2500Cocktail};

const Char_t* pprRunName[] = {"kGenBox",
			      "kGenMuonLMR",
			      "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     = kGenBox;
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();

  // 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",0.,1.98,0.08,8.0,-50., 3, -57.4, 2.0, 4.0);  // cylindre with new adaptator pipe starting at -59.7cm
  }
  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* 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,
	45	kGenCorrHF,
	46	kPythia6,
	47	kPythiaPerugia0,
	48	kPythiaPerugia0Jpsi2e,
	49	kPythiaPerugia0BtoJpsi2e,
	50	kHijing,
	51	kHijing2500,
	52	kHijing2500Cocktail};
	53
	54	const Char_t* pprRunName[] = {"kGenBox",
	55	"kGenMuonLMR",
	56	"kGenCorrHF",
	57	"kPythia6",
	58	"kPythiaPerugia0",
	59	"kPythiaPerugia0Jpsi2e",
	60	"kPythiaPerugia0BtoJpsi2e",
	61	"kHijing",
	62	"kHijing2500",
	63	"kHijing2500Cocktail"};
	64
65	enum Mag_t { kNoField, k5kG, kFieldMax };
66
67	const Char_t* pprField[] = { "kNoField", "k5kG", "kFieldMax" };
68
69	void LoadLibs();
70
71	// ----------------------- Generator, field, beam energy,... ------------------------------------------------------------
72	static PDCProc_t proc = kGenBox;
73	static PDCProc_t signal = kGenBox; // only in case kHijing2500Cocktail is the proc
74	static Mag_t mag = k5kG;
75	static Float_t energy = 14000.; // energy in CMS
76	static Float_t bMin = 0.;
77	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)
78	static Double_t JpsiPol = 0; // Jpsi polarisation
79	static Bool_t JpsiHarderPt = kFALSE; // Jpsi harder pt spectrum (8.8 TeV)
80	// ----------------------------------------------------------------------------------------------------------------------
81
82	static TString comment;
83
84	//====================================================================================================================================================
85
86	void Config() {
87
88	// AliLog::SetClassDebugLevel("AliMFT", 1);
89
90	LoadLibs();
91
92	new TGeant3TGeo("C++ Interface to Geant3");
93
94	// Create the output file
95
96	AliRunLoader* rl=0x0;
97
98	cout<<"Config.C: Creating Run Loader ..."<<endl;
99	rl = AliRunLoader::Open("galice.root", AliConfig::GetDefaultEventFolderName(), "recreate");
100	if (rl == 0x0) {
101	gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
102	return;
103	}
104	rl->SetCompressionLevel(2);
105	rl->SetNumberOfEventsPerFile(1000);
106	gAlice->SetRunLoader(rl);
107
108	// *********** STEERING parameters FOR ALICE SIMULATION ************
109	// --- Specify event type to be tracked through the ALICE setup
110	// --- All positions are in cm, angles in degrees, and P and E in GeV
111
112	gMC->SetProcess("DCAY",1);
113	gMC->SetProcess("PAIR",1);
114	gMC->SetProcess("COMP",1);
115	gMC->SetProcess("PHOT",1);
116	gMC->SetProcess("PFIS",0);
117	gMC->SetProcess("DRAY",0);
118	gMC->SetProcess("ANNI",1);
119	gMC->SetProcess("BREM",1);
120	gMC->SetProcess("MUNU",1);
121	gMC->SetProcess("CKOV",1);
122	gMC->SetProcess("HADR",1);
123	gMC->SetProcess("LOSS",2);
124	gMC->SetProcess("MULS",1);
125	gMC->SetProcess("RAYL",1);
126
127	Float_t cut = 1.e-3; // 1MeV cut by default
128	Float_t tofmax = 1.e10;
129
130	gMC->SetCut("CUTGAM", cut);
131	gMC->SetCut("CUTELE", cut);
132	gMC->SetCut("CUTNEU", cut);
133	gMC->SetCut("CUTHAD", cut);
134	gMC->SetCut("CUTMUO", cut);
135	gMC->SetCut("BCUTE", cut);
136	gMC->SetCut("BCUTM", cut);
137	gMC->SetCut("DCUTE", cut);
138	gMC->SetCut("DCUTM", cut);
139	gMC->SetCut("PPCUTM", cut);
140	gMC->SetCut("TOFMAX", tofmax);
141
142	TVirtualMCDecayer *decayer = new AliDecayerPythia();
143	decayer->SetForceDecay(kAll);
144	decayer->Init();
145	gMC->SetExternalDecayer(decayer);
146
147	// Generator
148	AliGenerator* gener = 0x0;
149	if (proc == kPythia6) gener = MbPythia();
150	else if (proc == kPythiaPerugia0) gener = MbPythiaTunePerugia0();
151	else if (proc == kHijing) gener = Hijing();
152	else if (proc == kHijing2500) gener = Hijing2500();
153	else if (proc == kHijing2500Cocktail) gener = Hijing2500Cocktail();
154	else if (proc == kGenBox) gener = GenBox();
155	else if (proc == kGenMuonLMR) gener = GenMuonLMR();
156	else if (proc == kGenCorrHF) gener = GenCorrHF();
157
158	// Size of the interaction diamond
159	Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
160	Float_t betast = 3.5; // beta* [m]
161	Float_t eps = 3.75e-6; // emittance [m]
162	Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
163	Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
164
165	printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
166
167	// gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
168	// gener->SetVertexSmear(kPerEvent);
169	gener->Init();
170
171	printf("\n \n Comment: %s \n \n", comment.Data());
172
173	// TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG, AliMagF::kBeamTypeAA, 2750.));
174	TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG, AliMagF::kBeamTypepp, 7000.));
175
176	rl->CdGAFile();
177
178	// Detector Setup
179
180	Int_t iABSO = 1;
181	Int_t iDIPO = 1;
182	Int_t iHALL = 1;
183	Int_t iMUON = 1;
184	Int_t iPIPE = 1;
185	Int_t iSHIL = 1;
186	Int_t iT0 = 0;
187	Int_t iVZERO = 1;
188	Int_t iMFT = 1;
189	Int_t iACORDE= 0;
190	Int_t iEMCAL = 0;
191	Int_t iFMD = 0;
192	Int_t iFRAME = 0;
193	Int_t iITS = 0;
194	Int_t iMAG = 0;
195	Int_t iPHOS = 0;
196	Int_t iPMD = 0;
197	Int_t iHMPID = 0;
198	Int_t iTOF = 0;
199	Int_t iTPC = 0;
200	Int_t iTRD = 0;
201	Int_t iZDC = 0;
202
203
204	AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
205
206	if (iMAG) AliMAG *MAG = new AliMAG("MAG", "Magnet");
207	if (iABSO) AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
208	if (iDIPO) AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
209	if (iHALL) AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
210	if (iSHIL) AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
211	if (iITS) AliITS *ITS = new AliITSv11("ITS","ITS v11");
212	if (iTPC) AliTPC *TPC = new AliTPCv2("TPC", "Default");
213	if (iTOF) AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
214	if (iHMPID) AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
215	if (iFMD) AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
216	if (iPHOS) AliPHOS *PHOS = new AliPHOSv1("PHOS", "noCPV_Modules123");
217	if (iPMD) AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
218	if (iT0) AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
219	if (iEMCAL) AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_FIRSTYEARV1");
220	if (iACORDE) AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
221	if (iVZERO) AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
222	if (iFRAME) {
223	AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
224	FRAME->SetHoles(1);
225	}
226	if (iPIPE) {
227	// AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
228	AliPIPE *PIPE = new AliPIPEv4("PIPE", "Beam Pipe",0.,1.98,0.08,8.0,-50., 3, -57.4, 2.0, 4.0); // cylindre with new adaptator pipe starting at -59.7cm
229	}
230	if (iZDC) {
231	AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
232	ZDC->SetSpectatorsTrack();
233	ZDC->SetLumiLength(0.);
234	}
235	if (iTRD) {
236	AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
237	}
238	if (iMUON) {
239	AliMUON *MUON = new AliMUONv1("MUON", "default");
240	MUON->SetTriggerEffCells(1); // not needed if raw masks
241	Char_t* digitstore="AliMUONDigitStoreV2S";
242	MUON->SetDigitStoreClassName(digitstore);
243	}
244	if (iMFT) {
245	AliMFT *MFT = new AliMFT("MFT", "normal MFT");
246	MFT->SetNSlices(1);
247	MFT->SetChargeDispersion(20.e-4);
248	MFT->SetNStepForChargeDispersion(4);
249	}
250
251	TIter next(gAlice->Modules());
252	AliModule *detector;
253	printf("gAlice->Modules:\n");
254	while((detector = (AliModule*)next())) printf("%s\n",detector->GetName());
255
256	}
257
258	//====================================================================================================================================================
259
260	AliGenerator* GenBox() {
261
262	AliGenBox *gener = new AliGenBox(2);
263	gener->SetMomentumRange(10.0, 10.1);
264	gener->SetPhiRange(0., 360.);
265	gener->SetThetaRange(171.0,178.0);
266	gener->SetPart(kMuonMinus); // Muons
267	gener->SetOrigin(0., 0., 0.); // vertex position
268
269	return gener;
270
271	}
272
273	//====================================================================================================================================================
274
275	AliGenerator* GenMuonLMR() {
276
277	AliGenMUONLMR *gener = new AliGenMUONLMR();
278	gener->SetMomentumRange(0,999);
279	gener->SetPtRange(0,100.);
280	gener->SetPhiRange(0., 360.);
281	gener->SetThetaRange(0., 180.);
282	gener->SetChildThetaRange(170.0,179.0);
283	gener->SetYRange(-4.5, -2.0);
284	gener->SetOrigin(0.0, 0.0, 0.0); // vertex position
285	gener->SetSigma(0.0, 0.0, 0.0); // vertex position smearing
286	gener->SetVertexSmear(kPerEvent);
287	enum {kEta2Body, kEtaDalitz, kRho2Body, kOmega2Body, kOmegaDalitz, kPhi2Body, kEtaPrimeDalitz, kPionLMR, kKaonLMR};
288	gener->GenerateSingleProcess(kPhi2Body, 500);
289	gener->SetCutOnChild(1);
290
291	return gener;
292
293	}
294
295	//====================================================================================================================================================
296
297	AliGenerator* GenCorrHF() {
298
299	AliGenCorrHF *gener = new AliGenCorrHF(1, 4, 14); // for charm, 1 pair per event
300	// AliGenCorrHF *gener = new AliGenCorrHF(1, 5, 14); // for beauty, 1 pair per event
301
302	gener->SetMomentumRange(0,9999);
303	gener->SetCutOnChild(1); // 1/0 means cuts on children enable/disable
304	gener->SetChildThetaRange(170.0,179.0);
305	gener->SetOrigin(0,0,0); //vertex position
306	gener->SetForceDecay(kSemiMuonic);
307	gener->SetTrackingFlag(1);
308	gener->Init();
309
310	return gener;
311
312	}
313
314	//====================================================================================================================================================
315
316	AliGenerator* MbPythia() {
317
318	comment = comment.Append(" pp: Pythia low-pt");
319
320	// Pythia
321	AliGenPythia* pythia = new AliGenPythia(-1);
322	pythia->SetMomentumRange(0, 999999.);
323	// pythia->SetThetaRange(0., 180.);
324	// pythia->SetChildYRange(-12.,0.);
325	// pythia->SetPtRange(0,1000.);
326	// pythia->SetCutOnChild(1);
327	pythia->SetProcess(kPyMb);
328	pythia->SetEnergyCMS(energy);
329	pythia->SetForceDecay(kSemiMuonic);
330
331	return pythia;
332	}
333
334	//====================================================================================================================================================
335
336	AliGenerator* MbPythiaTunePerugia0() {
337
338	comment = comment.Append(" pp: Pythia low-pt (Perugia0)");
339
340	// Pythia
341	AliGenPythia* pythia = new AliGenPythia(-1);
342	pythia->SetMomentumRange(0, 999999.);
343	pythia->SetThetaRange(0., 180.);
344	pythia->SetYRange(-12.,12.);
345	pythia->SetPtRange(0,1000.);
346	pythia->SetProcess(kPyMb);
347	pythia->SetEnergyCMS(energy);
348	// Tune
349	// 320 Perugia 0
350	pythia->SetTune(320);
351	pythia->UseNewMultipleInteractionsScenario();
352
353	return pythia;
354	}
355
356	//====================================================================================================================================================
357
358	AliGenerator* MbPythiaTunePerugia0Jpsi2e() {
359
360	comment = comment.Append("Jpsi forced to dielectrons");
361	AliGenParam *jpsi=0x0;
362	if(JpsiHarderPt) jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF pp 8.8", "Jpsi"); // 8.8 TeV
363	else jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF pp 7", "Jpsi"); // 7 TeV
364	jpsi->SetPtRange(0.,999.);
365	jpsi->SetYRange(-1.0, 1.0);
366	jpsi->SetPhiRange(0.,360.);
367	jpsi->SetForceDecay(kDiElectron);
368	return jpsi;
369
370	}
371
372	//====================================================================================================================================================
373
374	AliGenerator* MbPythiaTunePerugia0BtoJpsi2e() {
375
376	comment = comment.Append(" pp: Pythia (Perugia0) BtoJpsi (1 bbbar per event, 1 b-hadron in \|y\|<2, 1 J/psi in \|y\|<2");
377
378	// Pythia
379	AliGenPythia* pythia = new AliGenPythia(-1);
380	pythia->SetMomentumRange(0, 999999.);
381	pythia->SetThetaRange(0., 180.);
382	pythia->SetYRange(-2.,2.);
383	pythia->SetPtRange(0,1000.);
384	pythia->SetProcess(kPyBeautyppMNRwmi);
385	pythia->SetEnergyCMS(energy);
386	// Tune
387	// 320 Perugia 0
388	pythia->SetTune(320);
389	pythia->UseNewMultipleInteractionsScenario();
390	//
391	// decays
392	pythia->SetCutOnChild(1);
393	pythia->SetPdgCodeParticleforAcceptanceCut(443);
394	pythia->SetChildYRange(-2,2);
395	pythia->SetChildPtRange(0,10000.);
396	//
397	// decays
398	pythia->SetForceDecay(kBJpsiDiElectron);
399
400	return pythia;
401	}
402
403	//====================================================================================================================================================
404
405	AliGenerator* HijingParam() {
406
407	AliGenHIJINGpara *gener = new AliGenHIJINGpara(2000);
408	gener->SetMomentumRange(0,999);
409	gener->SetPhiRange(0,360);
410	gener->SetThetaRange(171, 179);
411	gener->SetOrigin(0,0,0); // vertex position
412	gener->SetSigma(0,0,0); // Sigma in (X,Y,Z) (cm) on IP position
413	gGener = gener;
414
415	return gener;
416
417	}
418
419	//====================================================================================================================================================
420
421	AliGenerator* Hijing() {
422
423	AliGenHijing *gener = new AliGenHijing(-1);
424	// centre of mass energy
425	gener->SetEnergyCMS(energy);
426	gener->SetImpactParameterRange(bMin, bMax);
427	// reference frame
428	gener->SetReferenceFrame("CMS");
429	// projectile
430	gener->SetProjectile("A", 208, 82);
431	gener->SetTarget ("A", 208, 82);
432	// tell hijing to keep the full parent child chain
433	gener->KeepFullEvent();
434	// enable jet quenching
435	gener->SetJetQuenching(1);
436	// enable shadowing
437	gener->SetShadowing(1);
438	// Don't track spectators
439	gener->SetSpectators(0);
440	// kinematic selection
441	gener->SetSelectAll(0);
442	return gener;
443	}
444
445	//====================================================================================================================================================
446
447	AliGenerator* Hijing2500() {
448
449	AliGenHijing gener = (AliGenHijing) Hijing();
450	gener->SetJetQuenching(0);
451	gener->SetPtHardMin (4.5);
452	return gener;
453
454	}
455
456	//====================================================================================================================================================
457
458	AliGenerator* Hijing2500Cocktail() {
459
460	comment = comment.Append(" PbPb: Hjing2500 at 5.5 + muon signals");
461
462	AliGenCocktail *cocktail = new AliGenCocktail();
463	cocktail->SetProjectile("A", 208, 82);
464	cocktail->SetTarget ("A", 208, 82);
465	cocktail->SetEnergyCMS(energy);
466
467	// 1 Hijing event: provides underlying event and collision geometry
468	AliGenHijing *hijing = Hijing2500();
469	cocktail->AddGenerator(hijing,"hijing",1);
470
471	// generator for the custom signal
472	AliGenerator* signalGen = 0x0;
473	switch (signal) {
474	case 0:
475	signalGen = GenBox();
476	break;
477	case 1:
478	signalGen = GenMuonLMR();
479	break;
480	case 2:
481	signalGen = GenCorrHF();
482	break;
483	default:
484	signalGen = GenBox();
485	break;
486	}
487	cocktail->AddGenerator(signalGen, "signal", 1);
488
489	cocktail->SetTrackingFlag(1);
490
491	return cocktail;
492
493	}
494
495	//====================================================================================================================================================
496
497	void LoadLibs() {
498
499	#if defined(__CINT__)
500
501	gSystem->Load("liblhapdf"); // Parton density functions
502	gSystem->Load("libEGPythia6"); // TGenerator interface
503	if (proc == kPythia6) {
504	gSystem->Load("libpythia6"); // Pythia 6.2
505	gSystem->Load("libAliPythia6"); // ALICE specific implementations
506	}
507	else {
508	gSystem->Load("libpythia6.4.21"); // Pythia 6.4
509	gSystem->Load("libAliPythia6"); // ALICE specific implementations
510	}
511
512	if (proc == kHijing \|\| proc == kHijing2500 \|\| proc == kHijing2500Cocktail) {
513	gSystem->Load("libhijing");
514	gSystem->Load("libTHijing");
515	}
516
517	gSystem->Load("libgeant321");
518
519	#endif
520
521	}
522
523	//====================================================================================================================================================
524