[u/mrichter/AliRoot.git] / MUON / genTestConfig.C

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

/// \ingroup macros
/// \file genTestConfig.C
/// \brief Configuration macro for event generator 
/// for MUON spectrometer Monte Carlo simulation

Float_t EtaToTheta(Float_t arg);

AliGenerator* genConfig(char option[6]="param")
{
  cout << "Running genTestConfig.C ... " << endl;

  //=======================================================================
  // ******* GEANT STEERING parameters FOR ALICE SIMULATION *******
  if ( gMC ) {
    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();
  if ( gMC ) gMC->SetExternalDecayer(decayer);
  
  //=======================================================================
  // Examples of generators. Only option param is sistematically tested
  if (!strcmp(option,"box")) {
    AliGenBox * gener = new AliGenBox(1);
    gener->SetMomentumRange(20.,20.1);
    gener->SetPhiRange(0., 360.);         
    gener->SetThetaRange(171.000,178.001);
    gener->SetPart(kMuonMinus);           // Muons
    gener->SetOrigin(0.,0., 0.);  //vertex position
    gener->SetSigma(0.0, 0.0, 0.0);         //Sigma in (X,Y,Z) (cm) on IP position
  }
  if (!strcmp(option,"gun")) {
    AliGenFixed *gener = new AliGenFixed(1);
    gener->SetMomentum(10);
    gener->SetPhiRange(0.);
    gener->SetThetaRange(0.);
    gener->SetOrigin(30,30,-1200);//vertex position
    gener->SetPart(kMuonMinus);          //GEANT particle type  13 is muons
  }
  if (!strcmp(option,"scan")) {
    AliGenScan *gener = new AliGenScan(-1);
    gener->SetMomentumRange(10,10);
    gener->SetPhiRange(0, 0);
    gener->SetThetaRange(-180, -180);
    //vertex position
    //gener->SetSigma(1,1,0);           //Sigma in (X,Y,Z) (cm) on IP position
    gener->SetPart(kRootino); 
    gener->SetRange(100, -300., 300., 100, -300., 300., 1, 2000, 2000);
  }  
  if (!strcmp(option,"param")) {
    AliGenParam *gener = new AliGenParam(1, AliGenMUONlib::kUpsilon);
    gener->SetMomentumRange(0,999);
    gener->SetPtRange(0,100.);
    gener->SetPhiRange(0., 360.);
    gener->SetCutOnChild(1);
    gener->SetChildPhiRange(0.,360.);
    gener->SetChildThetaRange(171.0,178.0);
    gener->SetOrigin(0,0,0);          //vertex position    gener->SetSigma(0,0,0);           //Sigma in (X,Y,Z) (cm) on IP position
    gener->SetForceDecay(kDiMuon);
    gener->SetTrackingFlag(1);
    gener->Init();
  }
  if (!strcmp(option,"paramJpsi")) {
    AliGenParam *gener = new AliGenParam(1, AliGenMUONlib::kJpsi);
    gener->SetMomentumRange(0,999);
    gener->SetPtRange(0,100.);
    gener->SetPhiRange(0., 360.);
    gener->SetCutOnChild(1);
    gener->SetChildPhiRange(0.,360.);
    gener->SetChildThetaRange(171.0,178.0);
    gener->SetOrigin(0,0,0);
    gener->SetForceDecay(kDiMuon);
    gener->SetTrackingFlag(1);
    gener->Init();
  }
  if (!strcmp(option,"hijing")) { //Hijing generator from ConfigPPR in macros
    AliGenHijing *gener = new AliGenHijing(-1);
    // centre of mass energy 
    gener->SetEnergyCMS(5500.);
    // 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);
    // neutral pion and heavy particle decays switched off
    gener->SetDecaysOff(1);
    // Don't track spectators
    gener->SetSpectators(0);
    // kinematic selection
    gener->SetSelectAll(0);
    // impact parameter range
    gener->SetImpactParameterRange(0., 5.); // 0. - 5. fm corresponds to ~10% most central
    gener->Init();
  }
  if (!strcmp(option,"muoncocktail")) { // Muon cocktail for PbPb
    AliGenMUONCocktail * gener = new AliGenMUONCocktail();
    gener->SetPtRange(1.,100.);       // Transverse momentum range  
    gener->SetPhiRange(0.,360.);    // Azimuthal angle range 
    gener->SetYRange(-4.0,-2.5);
    gener->SetMuonPtCut(0.5);
    gener->SetMuonThetaCut(171.,178.);
    gener->SetMuonMultiplicity(2);
    gener->SetImpactParameterRange(0.,5.); // 10% most centra PbPb collisions
    gener->SetVertexSmear(kPerTrack);  
    gener->SetOrigin(0,0,0);        // Vertex position
    gener->SetSigma(0,0,0.0);       // Sigma in (X,Y,Z) (cm) on IP position
    gener->Init();
  }  
  return gener;
  
  cout << "Running genGunConfig.C finished ... " << endl;
}

Float_t EtaToTheta(Float_t arg){
  return (180./TMath::Pi())*2.*atan(exp(-arg));
}
Commit	Line	Data
6ef73001	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/* $Id$ */
	17
	18	/// \ingroup macros
	19	/// \file genTestConfig.C
	20	/// \brief Configuration macro for event generator
	21	/// for MUON spectrometer Monte Carlo simulation
	22
	23	Float_t EtaToTheta(Float_t arg);
	24
	25	AliGenerator* genConfig(char option[6]="param")
	26	{
	27	cout << "Running genTestConfig.C ... " << endl;
	28
	29	//=======================================================================
	30	// ***** GEANT STEERING parameters FOR ALICE SIMULATION *****
	31	if ( gMC ) {
	32	gMC->SetProcess("DCAY",1);
	33	gMC->SetProcess("PAIR",1);
	34	gMC->SetProcess("COMP",1);
	35	gMC->SetProcess("PHOT",1);
	36	gMC->SetProcess("PFIS",0);
	37	gMC->SetProcess("DRAY",0);
	38	gMC->SetProcess("ANNI",1);
	39	gMC->SetProcess("BREM",1);
	40	gMC->SetProcess("MUNU",1);
	41	gMC->SetProcess("CKOV",1);
	42	gMC->SetProcess("HADR",1);
	43	gMC->SetProcess("LOSS",2);
	44	gMC->SetProcess("MULS",1);
	45	gMC->SetProcess("RAYL",1);
	46	Float_t cut = 1.e-3; // 1MeV cut by default
	47	Float_t tofmax = 1.e10;
	48	gMC->SetCut("CUTGAM", cut);
	49	gMC->SetCut("CUTELE", cut);
	50	gMC->SetCut("CUTNEU", cut);
	51	gMC->SetCut("CUTHAD", cut);
	52	gMC->SetCut("CUTMUO", cut);
	53	gMC->SetCut("BCUTE", cut);
	54	gMC->SetCut("BCUTM", cut);
	55	gMC->SetCut("DCUTE", cut);
	56	gMC->SetCut("DCUTM", cut);
	57	gMC->SetCut("PPCUTM", cut);
	58	gMC->SetCut("TOFMAX", tofmax);
	59	}
	60
	61	// Set External decayer
	62	TVirtualMCDecayer *decayer = new AliDecayerPythia();
	63	decayer->SetForceDecay(kAll);
	64	decayer->Init();
65	if ( gMC ) gMC->SetExternalDecayer(decayer);
66
67	//=======================================================================
68	// Examples of generators. Only option param is sistematically tested
69	if (!strcmp(option,"box")) {
70	AliGenBox * gener = new AliGenBox(1);
71	gener->SetMomentumRange(20.,20.1);
72	gener->SetPhiRange(0., 360.);
73	gener->SetThetaRange(171.000,178.001);
74	gener->SetPart(kMuonMinus); // Muons
75	gener->SetOrigin(0.,0., 0.); //vertex position
76	gener->SetSigma(0.0, 0.0, 0.0); //Sigma in (X,Y,Z) (cm) on IP position
77	}
78	if (!strcmp(option,"gun")) {
79	AliGenFixed *gener = new AliGenFixed(1);
80	gener->SetMomentum(10);
81	gener->SetPhiRange(0.);
82	gener->SetThetaRange(0.);
83	gener->SetOrigin(30,30,-1200);//vertex position
84	gener->SetPart(kMuonMinus); //GEANT particle type 13 is muons
85	}
86	if (!strcmp(option,"scan")) {
87	AliGenScan *gener = new AliGenScan(-1);
88	gener->SetMomentumRange(10,10);
89	gener->SetPhiRange(0, 0);
90	gener->SetThetaRange(-180, -180);
91	//vertex position
92	//gener->SetSigma(1,1,0); //Sigma in (X,Y,Z) (cm) on IP position
93	gener->SetPart(kRootino);
94	gener->SetRange(100, -300., 300., 100, -300., 300., 1, 2000, 2000);
95	}
96	if (!strcmp(option,"param")) {
97	AliGenParam *gener = new AliGenParam(1, AliGenMUONlib::kUpsilon);
98	gener->SetMomentumRange(0,999);
99	gener->SetPtRange(0,100.);
100	gener->SetPhiRange(0., 360.);
101	gener->SetCutOnChild(1);
102	gener->SetChildPhiRange(0.,360.);
103	gener->SetChildThetaRange(171.0,178.0);
104	gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position
105	gener->SetForceDecay(kDiMuon);
106	gener->SetTrackingFlag(1);
b52579a7	107	gener->Init();
6ef73001	108	}
	109	if (!strcmp(option,"paramJpsi")) {
	110	AliGenParam *gener = new AliGenParam(1, AliGenMUONlib::kJpsi);
	111	gener->SetMomentumRange(0,999);
	112	gener->SetPtRange(0,100.);
	113	gener->SetPhiRange(0., 360.);
	114	gener->SetCutOnChild(1);
	115	gener->SetChildPhiRange(0.,360.);
	116	gener->SetChildThetaRange(171.0,178.0);
	117	gener->SetOrigin(0,0,0);
	118	gener->SetForceDecay(kDiMuon);
	119	gener->SetTrackingFlag(1);
b52579a7	120	gener->Init();
6ef73001	121	}
	122	if (!strcmp(option,"hijing")) { //Hijing generator from ConfigPPR in macros
	123	AliGenHijing *gener = new AliGenHijing(-1);
	124	// centre of mass energy
	125	gener->SetEnergyCMS(5500.);
	126	// reference frame
	127	gener->SetReferenceFrame("CMS");
	128	// projectile
	129	gener->SetProjectile("A", 208, 82);
	130	gener->SetTarget ("A", 208, 82);
	131	// tell hijing to keep the full parent child chain
	132	gener->KeepFullEvent();
	133	// enable jet quenching
	134	gener->SetJetQuenching(1);
	135	// enable shadowing
	136	gener->SetShadowing(1);
	137	// neutral pion and heavy particle decays switched off
	138	gener->SetDecaysOff(1);
	139	// Don't track spectators
	140	gener->SetSpectators(0);
	141	// kinematic selection
	142	gener->SetSelectAll(0);
	143	// impact parameter range
	144	gener->SetImpactParameterRange(0., 5.); // 0. - 5. fm corresponds to ~10% most central
b52579a7	145	gener->Init();
6ef73001	146	}
	147	if (!strcmp(option,"muoncocktail")) { // Muon cocktail for PbPb
	148	AliGenMUONCocktail * gener = new AliGenMUONCocktail();
	149	gener->SetPtRange(1.,100.); // Transverse momentum range
	150	gener->SetPhiRange(0.,360.); // Azimuthal angle range
	151	gener->SetYRange(-4.0,-2.5);
	152	gener->SetMuonPtCut(0.5);
	153	gener->SetMuonThetaCut(171.,178.);
	154	gener->SetMuonMultiplicity(2);
	155	gener->SetImpactParameterRange(0.,5.); // 10% most centra PbPb collisions
	156	gener->SetVertexSmear(kPerTrack);
	157	gener->SetOrigin(0,0,0); // Vertex position
	158	gener->SetSigma(0,0,0.0); // Sigma in (X,Y,Z) (cm) on IP position
b52579a7	159	gener->Init();
6ef73001	160	}
6ef73001	161	return gener;
	162
	163	cout << "Running genGunConfig.C finished ... " << endl;
	164	}
	165
	166	Float_t EtaToTheta(Float_t arg){
	167	return (180./TMath::Pi())2.atan(exp(-arg));
	168	}