[u/mrichter/AliRoot.git] / PHOS / AliPHOS.cxx

/**************************************************************************
 * 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.                  *
 **************************************************************************/

/* $Id$ */

//_________________________________________________________________________
// Base Class for PHOS description:
//   PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged 
//    particles detector (CPV or PPSD).
//   The only provided method here is CreateMaterials, 
//    which defines the materials common to all PHOS versions.   
// 
//*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH) 
//////////////////////////////////////////////////////////////////////////////

// --- ROOT system ---
class TFile;
#include "TTree.h"
#include "TTask.h"
#include "TROOT.h"
#include "TFolder.h"

// --- Standard library ---

#include <strstream.h>
// --- AliRoot header files ---

#include "AliPHOS.h"
#include "AliMC.h"
#include "AliRun.h"
#include "AliMagF.h"
#include "AliPHOSGeometry.h"

ClassImp(AliPHOS)


//____________________________________________________________________________
  AliPHOS::AliPHOS():AliDetector()
{
  // ctor. creates task PHOS
  TTask * phosTask = new TTask("PHOS","");
  TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ; 
  roottasks->Add(phosTask) ; 
}

//____________________________________________________________________________
  AliPHOS::AliPHOS(const char* name, const char* title=""):AliDetector(name, title)
{
  // ctor. creates task PHOS
  TTask * phosTask = new TTask("PHOS","");
  TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ; 
  roottasks->Add(phosTask) ; 
}

//____________________________________________________________________________
void AliPHOS::CreateMaterials()
{
  // Definitions of materials to build PHOS and associated tracking media.
  // media number in idtmed are 699 to 798.

  // --- The PbWO4 crystals ---
  Float_t aX[3] = {207.19, 183.85, 16.0} ;
  Float_t zX[3] = {82.0, 74.0, 8.0} ;
  Float_t wX[3] = {1.0, 1.0, 4.0} ;
  Float_t dX = 8.28 ;

  AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;


  // --- The polysterene scintillator (CH) ---
  Float_t aP[2] = {12.011, 1.00794} ;
  Float_t zP[2] = {6.0, 1.0} ;
  Float_t wP[2] = {1.0, 1.0} ;
  Float_t dP = 1.032 ;

  AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ;

  // --- Aluminium ---
  AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
  // ---         Absorption length is ignored ^

 // --- Tyvek (CnH2n) ---
  Float_t aT[2] = {12.011, 1.00794} ;
  Float_t zT[2] = {6.0, 1.0} ;
  Float_t wT[2] = {1.0, 2.0} ;
  Float_t dT = 0.331 ;

  AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;

  // --- Polystyrene foam ---
  Float_t aF[2] = {12.011, 1.00794} ;
  Float_t zF[2] = {6.0, 1.0} ;
  Float_t wF[2] = {1.0, 1.0} ;
  Float_t dF = 0.12 ;

  AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;

 // --- Titanium ---
  Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
  Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
  Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
  Float_t dTIT = 4.5 ;

  AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);

 // --- Silicon ---
  AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;


  // --- Foam thermo insulation ---
  Float_t aTI[2] = {12.011, 1.00794} ;
  Float_t zTI[2] = {6.0, 1.0} ;
  Float_t wTI[2] = {1.0, 1.0} ;
  Float_t dTI = 0.1 ;

  AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;

  // --- Textolitn ---
  Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
  Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
  Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
  Float_t dTX    = 1.75 ;

  AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;

  //--- FR4  ---
  Float_t aFR[3] = {28.0855, 15.9994, 17.749} ; 
  Float_t zFR[3] = {14., 8., 8.875} ; 
  Float_t wFR[3] = {.28, .32, .4} ;
  Float_t dFR = 1.8 ; 

  AliMixture(9, "FR4$", aFR, zFR, dFR, -3, wFR) ;

  // --- The Composite Material for  micromegas (so far polyetylene) ---                                       
  Float_t aCM[2] = {12.01, 1.} ; 
  Float_t zCM[2] = {6., 1.} ; 
  Float_t wCM[2] = {1., 2.} ; 
  Float_t dCM = 0.935 ; 

  AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;

  // --- Copper ---                                                                    
  AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
 
  // --- G10 : Printed Circuit material ---                                                  
  Float_t aG10[4] = { 12., 1., 16., 28.} ;
  Float_t zG10[4] = { 6., 1., 8., 14.} ;
  Float_t wG10[4] = { .259, .288, .248, .205} ;
  Float_t dG10  = 1.7 ;
  
  AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);

  // --- Lead ---                                                                     
  AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;

 // --- The gas mixture ---                                                                
 // Co2
  Float_t aCO[2] = {12.0, 16.0} ; 
  Float_t zCO[2] = {6.0, 8.0} ; 
  Float_t wCO[2] = {1.0, 2.0} ; 
  Float_t dCO = 0.001977 ; 

  AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);

 // Ar
  Float_t dAr = 0.001782 ; 
  AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;   
 
 // ArCo2
  Char_t namate[21];
  Float_t aGM[2] ; 
  Float_t zGM[2] ; 
  Float_t wGM[2] ; 
  Float_t dGM ; 

  Float_t absL, radL, density ;
  Float_t buf[1] ;
  Int_t nbuf ;

  gMC->Gfmate((*fIdmate)[15], namate, aGM[0], zGM[0], density, radL, absL, buf, nbuf) ; // Get properties of Ar 
  gMC->Gfmate((*fIdmate)[14], namate, aGM[1], zGM[1], density, radL, absL, buf, nbuf) ; // Get properties of CO2 


  // Create gas mixture 

  Float_t arContent    = 0.80 ;  // Ar-content of the Ar/CO2-mixture (80% / 20%) 
 
  wGM[0] = arContent;
  wGM[1] = 1. - arContent ;
  dGM    = wGM[0] * dAr + wGM[1] * dCO;

  AliMixture(16, "ArCO2$", aGM, zGM, dGM,  2, wGM) ;

  // --- Stainless steel (let it be pure iron) ---
  AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;
 
  // --- Air ---
  AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
  
 
  // DEFINITION OF THE TRACKING MEDIA

  // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
  Int_t * idtmed = fIdtmed->GetArray() - 699 ; 
  Int_t   isxfld = gAlice->Field()->Integ() ;
  Float_t sxmgmx = gAlice->Field()->Max() ;

  // The scintillator of the calorimeter made of PBW04                              -> idtmed[699]
  AliMedium(0, "PHOS Xtal    $", 0, 1,
	    isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // The scintillator of the CPV made of Polystyrene scintillator                   -> idtmed[700]
  AliMedium(1, "CPV scint.   $", 1, 1,
	    isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // Various Aluminium parts made of Al                                             -> idtmed[701]
  AliMedium(2, "Al parts     $", 2, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;

  // The Tywek which wraps the calorimeter crystals                                 -> idtmed[702]
  AliMedium(3, "Tyvek wrapper$", 3, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;

  // The Polystyrene foam around the calorimeter module                             -> idtmed[703]
  AliMedium(4, "Polyst. foam $", 4, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // The Titanium around the calorimeter crystal                                    -> idtmed[704]
  AliMedium(5, "Titan. cover $", 5, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;

  // The Silicon of the pin diode to read out the calorimeter crystal               -> idtmed[705] 
 AliMedium(6, "Si PIN       $", 6, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;

 // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
  AliMedium(7, "Thermo Insul.$", 7, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // The Textolit which makes up the box which contains the calorimeter module      -> idtmed[707]
  AliMedium(8, "Textolit     $", 8, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // FR4: The Plastic which makes up the frame of micromegas                        -> idtmed[708]
  AliMedium(9, "FR4 $", 9, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; 


  // The Composite Material for  micromegas                                         -> idtmed[709]
  AliMedium(10, "CompoMat   $", 10, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // Copper                                                                         -> idtmed[710]
  AliMedium(11, "Copper     $", 11, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;

  // G10: Printed Circuit material                                                  -> idtmed[711]
 
  AliMedium(12, "G10        $", 12, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;

  // The Lead                                                                       -> idtmed[712]
 
  AliMedium(13, "Lead      $", 13, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;

  // The gas mixture: ArCo2                                                         -> idtmed[715]
 
  AliMedium(16, "ArCo2      $", 16, 1,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
 
  // Stainless steel                                                                -> idtmed[716]
  AliMedium(17, "Steel     $", 17, 0,
	     isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;

  // Air                                                                            -> idtmed[798] 
  AliMedium(99, "Air          $", 99, 0,
	     isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;

  // --- Set decent energy thresholds for gamma and electron tracking

  // Tracking threshold for photons and electrons in the scintillator crystal 
  gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ; 
  gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
 
  // --- Generate explicitly delta rays in the titan cover ---
  gMC->Gstpar(idtmed[704], "LOSS",3.) ;
  gMC->Gstpar(idtmed[704], "DRAY",1.) ;
  // --- and in aluminium parts ---
  gMC->Gstpar(idtmed[701], "LOSS",3.) ;
  gMC->Gstpar(idtmed[701], "DRAY",1.) ;
  // --- and in PIN diode
  gMC->Gstpar(idtmed[705], "LOSS",3) ;
  gMC->Gstpar(idtmed[705], "DRAY",1) ;
  // --- and in the passive convertor
  gMC->Gstpar(idtmed[712], "LOSS",3) ;
  gMC->Gstpar(idtmed[712], "DRAY",1) ;
  // Tracking threshold for photons and electrons in the gas ArC02 
  gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ; 
  gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ;
  gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ;
  gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ;
  gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ;
  gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ;
  gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ;
  gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ;
  gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ;
  gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ;
  gMC->Gstpar(idtmed[715], "LOSS",2.) ;
  gMC->Gstpar(idtmed[715], "DRAY",0.) ;
  gMC->Gstpar(idtmed[715], "STRA",2.) ;

}
//____________________________________________________________________________
void AliPHOS::SetTreeAddress()
{ 
  // called by AliRun
  // TBranch *branch;
  //  AliDetector::SetTreeAddress();

  TBranch *branch;
  char branchname[20];
  sprintf(branchname,"%s",GetName());
  
  // Branch address for hit tree
  TTree *treeH = gAlice->TreeH();
  if (treeH && fHits) {
    branch = treeH->GetBranch(branchname);
    if (branch) branch->SetAddress(&fHits);
  }
}
Commit	Line	Data
4c039060	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
b2a60966	16	/* $Id$ */
b2a60966	17
d15a28e7	18	//_________________________________________________________________________
b2a60966	19	// Base Class for PHOS description:
	20	// PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged
	21	// particles detector (CPV or PPSD).
	22	// The only provided method here is CreateMaterials,
	23	// which defines the materials common to all PHOS versions.
	24	//
	25	//*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH)
d15a28e7	26	//////////////////////////////////////////////////////////////////////////////
e84be1eb	27
fe4da5cc	28	// --- ROOT system ---
2ab0c725	29	class TFile;
ed4205d8	30	#include "TTree.h"
0ce0b56f	31	#include "TTask.h"
	32	#include "TROOT.h"
	33	#include "TFolder.h"
fe4da5cc	34
fe4da5cc	35	// --- Standard library ---
fe4da5cc	36
037cc66d	37	#include <strstream.h>
d15a28e7	38	// --- AliRoot header files ---
d15a28e7	39
fe4da5cc	40	#include "AliPHOS.h"
d15a28e7	41	#include "AliMC.h"
fe4da5cc	42	#include "AliRun.h"
94de3818	43	#include "AliMagF.h"
0e4b7936	44	#include "AliPHOSGeometry.h"
fe4da5cc	45
fe4da5cc	46	ClassImp(AliPHOS)
fe4da5cc	47
fe4da5cc	48
0ce0b56f	49	//____________________________________________________________________________
	50	AliPHOS::AliPHOS():AliDetector()
	51	{
	52	// ctor. creates task PHOS
	53	TTask * phosTask = new TTask("PHOS","");
	54	TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ;
	55	roottasks->Add(phosTask) ;
	56	}
	57
	58	//____________________________________________________________________________
	59	AliPHOS::AliPHOS(const char* name, const char* title=""):AliDetector(name, title)
	60	{
	61	// ctor. creates task PHOS
	62	TTask * phosTask = new TTask("PHOS","");
	63	TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ;
	64	roottasks->Add(phosTask) ;
	65	}
	66
d15a28e7	67	//____________________________________________________________________________
fe4da5cc	68	void AliPHOS::CreateMaterials()
fe4da5cc	69	{
b2a60966	70	// Definitions of materials to build PHOS and associated tracking media.
b2a60966	71	// media number in idtmed are 699 to 798.
fe4da5cc	72
d15a28e7	73	// --- The PbWO4 crystals ---
92862013	74	Float_t aX[3] = {207.19, 183.85, 16.0} ;
	75	Float_t zX[3] = {82.0, 74.0, 8.0} ;
	76	Float_t wX[3] = {1.0, 1.0, 4.0} ;
	77	Float_t dX = 8.28 ;
fe4da5cc	78
92862013	79	AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;
fe4da5cc	80
fe4da5cc	81
d15a28e7	82	// --- The polysterene scintillator (CH) ---
92862013	83	Float_t aP[2] = {12.011, 1.00794} ;
	84	Float_t zP[2] = {6.0, 1.0} ;
	85	Float_t wP[2] = {1.0, 1.0} ;
	86	Float_t dP = 1.032 ;
fe4da5cc	87
92862013	88	AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ;
fe4da5cc	89
d15a28e7	90	// --- Aluminium ---
	91	AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
	92	// --- Absorption length is ignored ^
fe4da5cc	93
d15a28e7	94	// --- Tyvek (CnH2n) ---
92862013	95	Float_t aT[2] = {12.011, 1.00794} ;
	96	Float_t zT[2] = {6.0, 1.0} ;
	97	Float_t wT[2] = {1.0, 2.0} ;
	98	Float_t dT = 0.331 ;
fe4da5cc	99
92862013	100	AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;
fe4da5cc	101
d15a28e7	102	// --- Polystyrene foam ---
92862013	103	Float_t aF[2] = {12.011, 1.00794} ;
	104	Float_t zF[2] = {6.0, 1.0} ;
	105	Float_t wF[2] = {1.0, 1.0} ;
	106	Float_t dF = 0.12 ;
fe4da5cc	107
92862013	108	AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;
fe4da5cc	109
d15a28e7	110	// --- Titanium ---
92862013	111	Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
	112	Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
	113	Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
	114	Float_t dTIT = 4.5 ;
fe4da5cc	115
92862013	116	AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);
fe4da5cc	117
d15a28e7	118	// --- Silicon ---
d15a28e7	119	AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
fe4da5cc	120
fe4da5cc	121
fe4da5cc	122
d15a28e7	123	// --- Foam thermo insulation ---
92862013	124	Float_t aTI[2] = {12.011, 1.00794} ;
	125	Float_t zTI[2] = {6.0, 1.0} ;
	126	Float_t wTI[2] = {1.0, 1.0} ;
	127	Float_t dTI = 0.1 ;
fe4da5cc	128
92862013	129	AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;
fe4da5cc	130
d15a28e7	131	// --- Textolitn ---
92862013	132	Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
	133	Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
	134	Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
	135	Float_t dTX = 1.75 ;
fe4da5cc	136
92862013	137	AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;
fe4da5cc	138
d15a28e7	139	//--- FR4 ---
92862013	140	Float_t aFR[3] = {28.0855, 15.9994, 17.749} ;
	141	Float_t zFR[3] = {14., 8., 8.875} ;
	142	Float_t wFR[3] = {.28, .32, .4} ;
	143	Float_t dFR = 1.8 ;
fe4da5cc	144
92862013	145	AliMixture(9, "FR4$", aFR, zFR, dFR, -3, wFR) ;
fe4da5cc	146
d15a28e7	147	// --- The Composite Material for micromegas (so far polyetylene) ---
92862013	148	Float_t aCM[2] = {12.01, 1.} ;
	149	Float_t zCM[2] = {6., 1.} ;
	150	Float_t wCM[2] = {1., 2.} ;
	151	Float_t dCM = 0.935 ;
fe4da5cc	152
92862013	153	AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;
fe4da5cc	154
d15a28e7	155	// --- Copper ---
	156	AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
	157
	158	// --- G10 : Printed Circuit material ---
92862013	159	Float_t aG10[4] = { 12., 1., 16., 28.} ;
	160	Float_t zG10[4] = { 6., 1., 8., 14.} ;
	161	Float_t wG10[4] = { .259, .288, .248, .205} ;
	162	Float_t dG10 = 1.7 ;
d15a28e7	163
92862013	164	AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);
fe4da5cc	165
d15a28e7	166	// --- Lead ---
d15a28e7	167	AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
fe4da5cc	168
d15a28e7	169	// --- The gas mixture ---
d15a28e7	170	// Co2
92862013	171	Float_t aCO[2] = {12.0, 16.0} ;
	172	Float_t zCO[2] = {6.0, 8.0} ;
	173	Float_t wCO[2] = {1.0, 2.0} ;
	174	Float_t dCO = 0.001977 ;
fe4da5cc	175
92862013	176	AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);
fe4da5cc	177
d15a28e7	178	// Ar
92862013	179	Float_t dAr = 0.001782 ;
92862013	180	AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;
d15a28e7	181
	182	// ArCo2
	183	Char_t namate[21];
92862013	184	Float_t aGM[2] ;
	185	Float_t zGM[2] ;
	186	Float_t wGM[2] ;
	187	Float_t dGM ;
fe4da5cc	188
92862013	189	Float_t absL, radL, density ;
d15a28e7	190	Float_t buf[1] ;
d15a28e7	191	Int_t nbuf ;
bc9ab547	192
92862013	193	gMC->Gfmate((*fIdmate)[15], namate, aGM[0], zGM[0], density, radL, absL, buf, nbuf) ; // Get properties of Ar
92862013	194	gMC->Gfmate((*fIdmate)[14], namate, aGM[1], zGM[1], density, radL, absL, buf, nbuf) ; // Get properties of CO2
bc9ab547	195
fe4da5cc	196
d15a28e7	197	// Create gas mixture
fe4da5cc	198
92862013	199	Float_t arContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%)
d15a28e7	200
92862013	201	wGM[0] = arContent;
	202	wGM[1] = 1. - arContent ;
	203	dGM = wGM[0] * dAr + wGM[1] * dCO;
fe4da5cc	204
92862013	205	AliMixture(16, "ArCO2$", aGM, zGM, dGM, 2, wGM) ;
fe4da5cc	206
a530ba0a	207	// --- Stainless steel (let it be pure iron) ---
a530ba0a	208	AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;
d15a28e7	209
	210	// --- Air ---
	211	AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
fe4da5cc	212
d15a28e7	213
d15a28e7	214	// DEFINITION OF THE TRACKING MEDIA
fe4da5cc	215
d15a28e7	216	// for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
d15a28e7	217	Int_t * idtmed = fIdtmed->GetArray() - 699 ;
92862013	218	Int_t isxfld = gAlice->Field()->Integ() ;
92862013	219	Float_t sxmgmx = gAlice->Field()->Max() ;
fe4da5cc	220
d15a28e7	221	// The scintillator of the calorimeter made of PBW04 -> idtmed[699]
d15a28e7	222	AliMedium(0, "PHOS Xtal $", 0, 1,
92862013	223	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc	224
d15a28e7	225	// The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700]
d15a28e7	226	AliMedium(1, "CPV scint. $", 1, 1,
92862013	227	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc	228
d15a28e7	229	// Various Aluminium parts made of Al -> idtmed[701]
d15a28e7	230	AliMedium(2, "Al parts $", 2, 0,
92862013	231	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc	232
d15a28e7	233	// The Tywek which wraps the calorimeter crystals -> idtmed[702]
d15a28e7	234	AliMedium(3, "Tyvek wrapper$", 3, 0,
92862013	235	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc	236
d15a28e7	237	// The Polystyrene foam around the calorimeter module -> idtmed[703]
d15a28e7	238	AliMedium(4, "Polyst. foam $", 4, 0,
92862013	239	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc	240
d15a28e7	241	// The Titanium around the calorimeter crystal -> idtmed[704]
d15a28e7	242	AliMedium(5, "Titan. cover $", 5, 0,
92862013	243	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
fe4da5cc	244
d15a28e7	245	// The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
d15a28e7	246	AliMedium(6, "Si PIN $", 6, 0,
92862013	247	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
fe4da5cc	248
d15a28e7	249	// The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
d15a28e7	250	AliMedium(7, "Thermo Insul.$", 7, 0,
92862013	251	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc	252
d15a28e7	253	// The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
d15a28e7	254	AliMedium(8, "Textolit $", 8, 0,
92862013	255	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc	256
d15a28e7	257	// FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
d15a28e7	258	AliMedium(9, "FR4 $", 9, 0,
92862013	259	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc	260
fe4da5cc	261
d15a28e7	262	// The Composite Material for micromegas -> idtmed[709]
d15a28e7	263	AliMedium(10, "CompoMat $", 10, 0,
92862013	264	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc	265
d15a28e7	266	// Copper -> idtmed[710]
d15a28e7	267	AliMedium(11, "Copper $", 11, 0,
92862013	268	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc	269
d15a28e7	270	// G10: Printed Circuit material -> idtmed[711]
	271
	272	AliMedium(12, "G10 $", 12, 0,
92862013	273	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
fe4da5cc	274
d15a28e7	275	// The Lead -> idtmed[712]
	276
	277	AliMedium(13, "Lead $", 13, 0,
92862013	278	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc	279
d15a28e7	280	// The gas mixture: ArCo2 -> idtmed[715]
	281
	282	AliMedium(16, "ArCo2 $", 16, 1,
92862013	283	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
d15a28e7	284
a530ba0a	285	// Stainless steel -> idtmed[716]
	286	AliMedium(17, "Steel $", 17, 0,
	287	isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
	288
d15a28e7	289	// Air -> idtmed[798]
d15a28e7	290	AliMedium(99, "Air $", 99, 0,
92862013	291	isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
fe4da5cc	292
d15a28e7	293	// --- Set decent energy thresholds for gamma and electron tracking
fe4da5cc	294
d15a28e7	295	// Tracking threshold for photons and electrons in the scintillator crystal
	296	gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
	297	gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
9f616d61	298
d15a28e7	299	// --- Generate explicitly delta rays in the titan cover ---
	300	gMC->Gstpar(idtmed[704], "LOSS",3.) ;
	301	gMC->Gstpar(idtmed[704], "DRAY",1.) ;
d15a28e7	302	// --- and in aluminium parts ---
	303	gMC->Gstpar(idtmed[701], "LOSS",3.) ;
	304	gMC->Gstpar(idtmed[701], "DRAY",1.) ;
92862013	305	// --- and in PIN diode
	306	gMC->Gstpar(idtmed[705], "LOSS",3) ;
	307	gMC->Gstpar(idtmed[705], "DRAY",1) ;
	308	// --- and in the passive convertor
	309	gMC->Gstpar(idtmed[712], "LOSS",3) ;
	310	gMC->Gstpar(idtmed[712], "DRAY",1) ;
	311	// Tracking threshold for photons and electrons in the gas ArC02
b7101219	312	gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ;
	313	gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ;
	314	gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ;
	315	gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ;
	316	gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ;
	317	gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ;
	318	gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ;
	319	gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ;
	320	gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ;
	321	gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ;
9f616d61	322	gMC->Gstpar(idtmed[715], "LOSS",2.) ;
	323	gMC->Gstpar(idtmed[715], "DRAY",0.) ;
	324	gMC->Gstpar(idtmed[715], "STRA",2.) ;
	325
0c409cb2	326	}
0c409cb2	327	//____________________________________________________________________________
2ea4f4fc	328	void AliPHOS::SetTreeAddress()
2ea4f4fc	329	{
a4e98857	330	// called by AliRun
07a64e48	331	// TBranch *branch;
ad8cfaf4	332	// AliDetector::SetTreeAddress();
	333
	334	TBranch *branch;
	335	char branchname[20];
	336	sprintf(branchname,"%s",GetName());
3247125a	337
ad8cfaf4	338	// Branch address for hit tree
	339	TTree *treeH = gAlice->TreeH();
	340	if (treeH && fHits) {
	341	branch = treeH->GetBranch(branchname);
	342	if (branch) branch->SetAddress(&fHits);
	343	}
0c409cb2	344	}
0c409cb2	345
9f616d61	346