[u/mrichter/AliRoot.git] / MUON / AliMUONCommonGeometryBuilder.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *      SigmaEffect_thetadegrees                                                                  *
 * 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 purpeateose. It is      *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

// $Id$
//
// Class AliMUONCommonGeometryBuilder
// ----------------------------------
// Geometry construction common to all stations
// (material definition).
// separated from AliMUONGeometryBuilder


#include <TVirtualMC.h>

#include "AliMUONCommonGeometryBuilder.h"
#include "AliMUON.h"
#include "AliMagF.h"
#include "AliRun.h"
#include "AliLog.h"

/// \cond CLASSIMP
ClassImp(AliMUONCommonGeometryBuilder)
/// \endcond
 
//______________________________________________________________________________//___________________________________________
AliMUONCommonGeometryBuilder::AliMUONCommonGeometryBuilder(AliMUON* muon)
  : AliMUONVGeometryBuilder(-1),
    fMUON(muon)
{
/// Standard constructor
}

//______________________________________________________________________________//___________________________________________
AliMUONCommonGeometryBuilder::AliMUONCommonGeometryBuilder() 
  : AliMUONVGeometryBuilder(),
    fMUON(0)
{
/// Default constructor
} 

//______________________________________________________________________________
AliMUONCommonGeometryBuilder::~AliMUONCommonGeometryBuilder()
{
/// Destructor
}

//
// public functions
//

//_____________________________________________________________________________
void AliMUONCommonGeometryBuilder::CreateMaterials()
{
/// Definition of common materials

  //
  //     Ar-CO2 gas (80%+20%)
  Float_t ag1[3]   = { 39.95,12.01,16. };
  Float_t zg1[3]   = { 18.,6.,8. };
  Float_t wg1[3]   = { .8,.0667,.13333 };
  Float_t dg1      = .001821;
  //
  //     Ar-buthane-freon gas -- trigger chambers 
  Float_t atr1[4]  = { 39.95,12.01,1.01,19. };
  Float_t ztr1[4]  = { 18.,6.,1.,9. };
  Float_t wtr1[4]  = { .56,.1262857,.2857143,.028 };
  Float_t dtr1     = .002599;
  //
  //     Ar-CO2 gas 
  Float_t agas[3]  = { 39.95,12.01,16. };
  Float_t zgas[3]  = { 18.,6.,8. };
  Float_t wgas[3]  = { .74,.086684,.173316 };
  Float_t dgas     = .0018327;
  //
  //     Ar-Isobutane gas (80%+20%) -- tracking 
  Float_t ag[3]    = { 39.95,12.01,1.01 };
  Float_t zg[3]    = { 18.,6.,1. };
  Float_t wg[3]    = { .8,.057,.143 };
  Float_t dg       = .0019596;
  //
  //     Ar-Isobutane-Forane-SF6 gas (49%+7%+40%+4%) -- trigger 
  Float_t atrig[5] = { 39.95,12.01,1.01,19.,32.066 };
  Float_t ztrig[5] = { 18.,6.,1.,9.,16. };
  Float_t wtrig[5] = { .49,1.08,1.5,1.84,0.04 };
  Float_t dtrig    = .0031463;
  //
  //     bakelite: C6 H6 O
  Float_t abak[3] = {12.01 , 1.01 , 16.};
  Float_t zbak[3] = {6.     , 1.   , 8.};
  Float_t wbak[3] = {6.     , 6.   , 1.}; 
  Float_t dbak = 1.4;

  Int_t iSXFLD   = gAlice->Field()->PrecInteg();
  Float_t sXMGMX = gAlice->Field()->Max();
  //
  // --- Define the various materials for GEANT --- 
  fMUON->AliMaterial(9, "ALUMINIUM0$", 26.98, 13., 2.7, 8.9, 37.2);
  fMUON->AliMaterial(10, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2);
  fMUON->AliMaterial(49, "Kapton$", 12.01,6,1.42,-28.6,999);          // from DPG
  fMUON->AliMaterial(42, "Copper$", 63.546,29.,8.96,-1.43,9.6);

  //fMUON->AliMaterial(43, "FR4$", 17.749, 8.875, 1.7, -19.4, 999.);    // from DPG
  Float_t aFR[4] = {16.0, 28.09, 12.011, 1.00794} ;
  Float_t zFR[4] = {8.0, 14.0, 6.0, 1.0} ;
  Float_t wFR[4] = {292.0, 68.0, 462.0, 736.0} ;
  Float_t dFR = 1.8 ; 
  fMUON->AliMixture(43, "FR4$", aFR, zFR, dFR, -4, wFR);

  fMUON->AliMaterial(44, "FrameEpoxy",12.24,6.0,1.85,-19.14,999);// use 16.75cm


  // Air
  Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
  Float_t zAir[4]={6.,7.,8.,18.};
  Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
  Float_t dAir = 1.20479E-3;
  fMUON->AliMixture(15, "AIR$      ", aAir,  zAir, dAir,4, wAir);
  //    fMUON->AliMaterial(15, "AIR$      ", 14.61, 7.3, .001205, 30423.24, 67500);
  fMUON->AliMixture(19, "Bakelite$", abak, zbak, dbak, -3, wbak);
  fMUON->AliMixture(20, "ArC4H10 GAS$", ag, zg, dg, 3, wg);
  fMUON->AliMixture(21, "TRIG GAS$", atrig, ztrig, dtrig, -5, wtrig);
  fMUON->AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);
  fMUON->AliMixture(23, "Ar-freon $", atr1, ztr1, dtr1, 4, wtr1);
  fMUON->AliMixture(24, "ArCO2 GAS$", agas, zgas, dgas, 3, wgas);

  // materials for slat: 
  //     Sensitive area: gas (already defined) 
  //     PCB: copper 
  //     insulating material: vetronite -> replacing by G10 Ch. Finck
  //     spacer: noryl Ch. Finck
  //     panel sandwich: carbon, nomex, carbon replacing rohacell by nomex Ch. Finck

  // G10: SiO2(60%) + C8H14O4(40%)
  Float_t aglass[5] = {12.01, 28.09, 16., 1.01,  16.};
  Float_t zglass[5] = { 6.,   14.,    8., 1.,    8.};
  Float_t wglass[5] = { 0.22, 0.28, 0.32, 0.03,  0.15};
  Float_t dglass    = 1.7;

  // rohacell: C9 H13 N1 O2
  Float_t arohac[4] = {12.01,  1.01, 14.010, 16.};
  Float_t zrohac[4] = { 6.,    1.,    7.,     8.};
  Float_t wrohac[4] = { 9.,   13.,    1.,     2.};
  Float_t drohac    = 0.03;

  // Nomex: C22 H10 N2 O5
  Float_t aNomex[4] = {12.01,  1.01, 14.010, 16.};
  Float_t zNomex[4] = { 6.,    1.,    7.,     8.};
  Float_t wNomex[4] = { 22.,   10.,   2.,     5.};
  Float_t dNomex    = 0.024; //honey comb
  Float_t dNomex2   = 1.43;  //bulk material


  // Noryl: C8 H8 O polyphenylene oxyde (di-methyl not sure)
  Float_t aNoryl[3] = {12.01,  1.01, 16.};
  Float_t zNoryl[3] = { 6.,    1.,    8.};
  Float_t wNoryl[3] = { 8.,    8.,    1.};
  Float_t dNoryl    = 1.06;

  fMUON->AliMaterial(31, "COPPER$",   63.54,    29.,   8.96,   1.4, 0.);
  fMUON->AliMixture( 32, "G10$",      aglass, zglass, dglass, -5, wglass);
  fMUON->AliMaterial(33, "Carbon$",   12.01,     6.,  2.265,  18.8, 49.9);
  fMUON->AliMixture( 34, "Rohacell$", arohac, zrohac, drohac, -4, wrohac); 
  fMUON->AliMixture( 35, "Nomex$",    aNomex, zNomex, dNomex, -4, wNomex); 
  fMUON->AliMixture( 36, "Noryl$",    aNoryl, zNoryl, dNoryl, -3, wNoryl); 
  fMUON->AliMixture( 37, "Nomex_bulk$",aNomex, zNomex, dNomex2, -4, wNomex); 

  Float_t  epsil  = .001; // Tracking precision, 
  Float_t  stemax = -1.;  // Maximum displacement for multiple scat 
  Float_t  tmaxfd = -20.; // Maximum angle due to field deflection 
  Float_t  deemax = -.3;  // Maximum fractional energy loss, DLS 
  Float_t  stmin  = -.8;
  Float_t  maxDestepAlu = fMUON->GetMaxDestepAlu();
  Float_t  maxDestepGas = fMUON->GetMaxDestepGas();
  Float_t  maxStepAlu = fMUON->GetMaxStepAlu();
  Float_t  maxStepGas = fMUON->GetMaxStepGas();

  //
  //    Air 
  fMUON->AliMedium(1, "AIR_CH_US         ", 15, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
 
  //
  //    Aluminum 
  fMUON->AliMedium(4, "ALU_CH_US0         ", 9, 0, iSXFLD, sXMGMX, tmaxfd, maxStepAlu, 
		   maxDestepAlu, epsil, stmin);
  fMUON->AliMedium(5, "ALU_CH_US1         ", 10, 0, iSXFLD, sXMGMX, tmaxfd, maxStepAlu, 
		   maxDestepAlu, epsil, stmin);
  //
  //    Ar-isoC4H10 gas 
  fMUON->AliMedium(6, "AR_CH_US          ", 20, 1, iSXFLD, sXMGMX, tmaxfd, maxStepGas, 
		   maxDestepGas, epsil, stmin);
  //
  //    Ar-Isobuthane-Forane-SF6 gas 
  fMUON->AliMedium(7, "GAS_CH_TRIGGER    ", 21, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);

  fMUON->AliMedium(8, "BAKE_CH_TRIGGER   ", 19, 0, iSXFLD, sXMGMX, tmaxfd, maxStepAlu, 
		   maxDestepAlu, epsil, stmin);
  //
  // slat medium
  fMUON->AliMedium(9, "ARG_CO2   ", 22, 1, iSXFLD, sXMGMX, tmaxfd, maxStepGas, 
		   maxDestepAlu, epsil, stmin);
  //
  // tracking media for slats: check the parameters!! 
  fMUON->AliMedium(11, "PCB_COPPER        ", 31, 0, iSXFLD, sXMGMX, tmaxfd, 
		   maxStepAlu, maxDestepAlu, epsil, stmin);
  fMUON->AliMedium(12, "G10               ", 32, 0, iSXFLD, sXMGMX, tmaxfd, 
		   maxStepAlu, maxDestepAlu, epsil, stmin);
  fMUON->AliMedium(13, "CARBON            ", 33, 0, iSXFLD, sXMGMX, tmaxfd, 
		   maxStepAlu, maxDestepAlu, epsil, stmin);
  fMUON->AliMedium(14, "Rohacell          ", 34, 0, iSXFLD, sXMGMX, tmaxfd, 
		   maxStepAlu, maxDestepAlu, epsil, stmin);
  fMUON->AliMedium(15, "Nomex             ", 35, 0, iSXFLD, sXMGMX, tmaxfd, 
		   maxStepAlu, maxDestepAlu, epsil, stmin);
  fMUON->AliMedium(16, "Noryl             ", 36, 0, iSXFLD, sXMGMX, tmaxfd, 
		   maxStepAlu, maxDestepAlu, epsil, stmin);
  fMUON->AliMedium(17, "Nomex bulk        ", 37, 0, iSXFLD, sXMGMX, tmaxfd, 
		   maxStepAlu, maxDestepAlu, epsil, stmin);

  // for station 2 only
		   // was med: 4  mat: 9
  fMUON->AliMedium(22, "COPPER_II        ", 42, 0, iSXFLD, sXMGMX, 
                   tmaxfd, maxStepAlu, maxDestepAlu, epsil, stmin);
		   // was med: 10  mat: 30
  fMUON->AliMedium(23, "FR4_CH           ", 43, 0, iSXFLD, sXMGMX, 
                   10.0, 0.01, 0.1, 0.003, 0.003);
  fMUON->AliMedium(24, "FrameCH$",   44, 1, iSXFLD, sXMGMX, 
                   10.0, 0.001, 0.001, 0.001, 0.001);
  fMUON->AliMedium(29, "Kapton            ", 49, 0, iSXFLD, sXMGMX,  
                   10.0, 0.01, 1.0, 0.003, 0.003);
		   // was med: 18  mat: 34 
}
Commit	Line	Data
e118b27e	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* SigmaEffect_thetadegrees *
	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 purpeateose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	// $Id$
	17	//
	18	// Class AliMUONCommonGeometryBuilder
	19	// ----------------------------------
	20	// Geometry construction common to all stations
	21	// (material definition).
	22	// separated from AliMUONGeometryBuilder
	23
	24
	25	#include <TVirtualMC.h>
	26
	27	#include "AliMUONCommonGeometryBuilder.h"
	28	#include "AliMUON.h"
	29	#include "AliMagF.h"
	30	#include "AliRun.h"
c4a97bcd	31	#include "AliLog.h"
e118b27e	32
5398f946	33	/// \cond CLASSIMP
e118b27e	34	ClassImp(AliMUONCommonGeometryBuilder)
5398f946	35	/// \endcond
e118b27e	36
	37	//______________________________________________________________________________//___________________________________________
	38	AliMUONCommonGeometryBuilder::AliMUONCommonGeometryBuilder(AliMUON* muon)
b7ef3c96	39	: AliMUONVGeometryBuilder(-1),
e118b27e	40	fMUON(muon)
e118b27e	41	{
5398f946	42	/// Standard constructor
e118b27e	43	}
	44
	45	//______________________________________________________________________________//___________________________________________
	46	AliMUONCommonGeometryBuilder::AliMUONCommonGeometryBuilder()
	47	: AliMUONVGeometryBuilder(),
	48	fMUON(0)
	49	{
692de412	50	/// Default constructor
e118b27e	51	}
e118b27e	52
e118b27e	53	//______________________________________________________________________________
	54	AliMUONCommonGeometryBuilder::~AliMUONCommonGeometryBuilder()
	55	{
692de412	56	/// Destructor
e118b27e	57	}
e118b27e	58
e118b27e	59	//
	60	// public functions
	61	//
	62
	63	//_____________________________________________________________________________
	64	void AliMUONCommonGeometryBuilder::CreateMaterials()
	65	{
692de412	66	/// Definition of common materials
e118b27e	67
	68	//
	69	// Ar-CO2 gas (80%+20%)
	70	Float_t ag1[3] = { 39.95,12.01,16. };
	71	Float_t zg1[3] = { 18.,6.,8. };
	72	Float_t wg1[3] = { .8,.0667,.13333 };
	73	Float_t dg1 = .001821;
	74	//
	75	// Ar-buthane-freon gas -- trigger chambers
	76	Float_t atr1[4] = { 39.95,12.01,1.01,19. };
	77	Float_t ztr1[4] = { 18.,6.,1.,9. };
	78	Float_t wtr1[4] = { .56,.1262857,.2857143,.028 };
	79	Float_t dtr1 = .002599;
	80	//
	81	// Ar-CO2 gas
	82	Float_t agas[3] = { 39.95,12.01,16. };
	83	Float_t zgas[3] = { 18.,6.,8. };
	84	Float_t wgas[3] = { .74,.086684,.173316 };
	85	Float_t dgas = .0018327;
	86	//
	87	// Ar-Isobutane gas (80%+20%) -- tracking
	88	Float_t ag[3] = { 39.95,12.01,1.01 };
	89	Float_t zg[3] = { 18.,6.,1. };
	90	Float_t wg[3] = { .8,.057,.143 };
	91	Float_t dg = .0019596;
	92	//
	93	// Ar-Isobutane-Forane-SF6 gas (49%+7%+40%+4%) -- trigger
	94	Float_t atrig[5] = { 39.95,12.01,1.01,19.,32.066 };
	95	Float_t ztrig[5] = { 18.,6.,1.,9.,16. };
	96	Float_t wtrig[5] = { .49,1.08,1.5,1.84,0.04 };
	97	Float_t dtrig = .0031463;
	98	//
	99	// bakelite: C6 H6 O
	100	Float_t abak[3] = {12.01 , 1.01 , 16.};
	101	Float_t zbak[3] = {6. , 1. , 8.};
	102	Float_t wbak[3] = {6. , 6. , 1.};
	103	Float_t dbak = 1.4;
	104
81787e20	105	Int_t iSXFLD = gAlice->Field()->PrecInteg();
e118b27e	106	Float_t sXMGMX = gAlice->Field()->Max();
	107	//
	108	// --- Define the various materials for GEANT ---
4a9de4af	109	fMUON->AliMaterial(9, "ALUMINIUM0$", 26.98, 13., 2.7, 8.9, 37.2);
4a9de4af	110	fMUON->AliMaterial(10, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2);
b60e0f5e	111	fMUON->AliMaterial(49, "Kapton$", 12.01,6,1.42,-28.6,999); // from DPG
b60e0f5e	112	fMUON->AliMaterial(42, "Copper$", 63.546,29.,8.96,-1.43,9.6);
f7d02212	113
	114	//fMUON->AliMaterial(43, "FR4$", 17.749, 8.875, 1.7, -19.4, 999.); // from DPG
	115	Float_t aFR[4] = {16.0, 28.09, 12.011, 1.00794} ;
	116	Float_t zFR[4] = {8.0, 14.0, 6.0, 1.0} ;
	117	Float_t wFR[4] = {292.0, 68.0, 462.0, 736.0} ;
	118	Float_t dFR = 1.8 ;
	119	fMUON->AliMixture(43, "FR4$", aFR, zFR, dFR, -4, wFR);
	120
b60e0f5e	121	fMUON->AliMaterial(44, "FrameEpoxy",12.24,6.0,1.85,-19.14,999);// use 16.75cm
b60e0f5e	122
f7d02212	123
e118b27e	124	// Air
	125	Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
	126	Float_t zAir[4]={6.,7.,8.,18.};
	127	Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
	128	Float_t dAir = 1.20479E-3;
	129	fMUON->AliMixture(15, "AIR$ ", aAir, zAir, dAir,4, wAir);
	130	// fMUON->AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
	131	fMUON->AliMixture(19, "Bakelite$", abak, zbak, dbak, -3, wbak);
	132	fMUON->AliMixture(20, "ArC4H10 GAS$", ag, zg, dg, 3, wg);
	133	fMUON->AliMixture(21, "TRIG GAS$", atrig, ztrig, dtrig, -5, wtrig);
	134	fMUON->AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);
	135	fMUON->AliMixture(23, "Ar-freon $", atr1, ztr1, dtr1, 4, wtr1);
	136	fMUON->AliMixture(24, "ArCO2 GAS$", agas, zgas, dgas, 3, wgas);
	137
	138	// materials for slat:
	139	// Sensitive area: gas (already defined)
	140	// PCB: copper
	141	// insulating material: vetronite -> replacing by G10 Ch. Finck
	142	// spacer: noryl Ch. Finck
	143	// panel sandwich: carbon, nomex, carbon replacing rohacell by nomex Ch. Finck
	144
	145	// G10: SiO2(60%) + C8H14O4(40%)
	146	Float_t aglass[5] = {12.01, 28.09, 16., 1.01, 16.};
	147	Float_t zglass[5] = { 6., 14., 8., 1., 8.};
	148	Float_t wglass[5] = { 0.22, 0.28, 0.32, 0.03, 0.15};
	149	Float_t dglass = 1.7;
	150
	151	// rohacell: C9 H13 N1 O2
	152	Float_t arohac[4] = {12.01, 1.01, 14.010, 16.};
	153	Float_t zrohac[4] = { 6., 1., 7., 8.};
	154	Float_t wrohac[4] = { 9., 13., 1., 2.};
	155	Float_t drohac = 0.03;
	156
	157	// Nomex: C22 H10 N2 O5
	158	Float_t aNomex[4] = {12.01, 1.01, 14.010, 16.};
	159	Float_t zNomex[4] = { 6., 1., 7., 8.};
	160	Float_t wNomex[4] = { 22., 10., 2., 5.};
	161	Float_t dNomex = 0.024; //honey comb
	162	Float_t dNomex2 = 1.43; //bulk material
	163
	164
	165	// Noryl: C8 H8 O polyphenylene oxyde (di-methyl not sure)
	166	Float_t aNoryl[3] = {12.01, 1.01, 16.};
	167	Float_t zNoryl[3] = { 6., 1., 8.};
	168	Float_t wNoryl[3] = { 8., 8., 1.};
	169	Float_t dNoryl = 1.06;
	170
	171	fMUON->AliMaterial(31, "COPPER$", 63.54, 29., 8.96, 1.4, 0.);
	172	fMUON->AliMixture( 32, "G10$", aglass, zglass, dglass, -5, wglass);
	173	fMUON->AliMaterial(33, "Carbon$", 12.01, 6., 2.265, 18.8, 49.9);
	174	fMUON->AliMixture( 34, "Rohacell$", arohac, zrohac, drohac, -4, wrohac);
	175	fMUON->AliMixture( 35, "Nomex$", aNomex, zNomex, dNomex, -4, wNomex);
	176	fMUON->AliMixture( 36, "Noryl$", aNoryl, zNoryl, dNoryl, -3, wNoryl);
	177	fMUON->AliMixture( 37, "Nomex_bulk$",aNomex, zNomex, dNomex2, -4, wNomex);
	178
	179	Float_t epsil = .001; // Tracking precision,
	180	Float_t stemax = -1.; // Maximum displacement for multiple scat
	181	Float_t tmaxfd = -20.; // Maximum angle due to field deflection
	182	Float_t deemax = -.3; // Maximum fractional energy loss, DLS
	183	Float_t stmin = -.8;
	184	Float_t maxDestepAlu = fMUON->GetMaxDestepAlu();
	185	Float_t maxDestepGas = fMUON->GetMaxDestepGas();
	186	Float_t maxStepAlu = fMUON->GetMaxStepAlu();
	187	Float_t maxStepGas = fMUON->GetMaxStepGas();
188
189	//
190	// Air
191	fMUON->AliMedium(1, "AIR_CH_US ", 15, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
192
193	//
194	// Aluminum
4a9de4af	195	fMUON->AliMedium(4, "ALU_CH_US0 ", 9, 0, iSXFLD, sXMGMX, tmaxfd, maxStepAlu,
e118b27e	196	maxDestepAlu, epsil, stmin);
4a9de4af	197	fMUON->AliMedium(5, "ALU_CH_US1 ", 10, 0, iSXFLD, sXMGMX, tmaxfd, maxStepAlu,
e118b27e	198	maxDestepAlu, epsil, stmin);
	199	//
	200	// Ar-isoC4H10 gas
	201	fMUON->AliMedium(6, "AR_CH_US ", 20, 1, iSXFLD, sXMGMX, tmaxfd, maxStepGas,
	202	maxDestepGas, epsil, stmin);
	203	//
	204	// Ar-Isobuthane-Forane-SF6 gas
	205	fMUON->AliMedium(7, "GAS_CH_TRIGGER ", 21, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
	206
	207	fMUON->AliMedium(8, "BAKE_CH_TRIGGER ", 19, 0, iSXFLD, sXMGMX, tmaxfd, maxStepAlu,
	208	maxDestepAlu, epsil, stmin);
	209	//
	210	// slat medium
	211	fMUON->AliMedium(9, "ARG_CO2 ", 22, 1, iSXFLD, sXMGMX, tmaxfd, maxStepGas,
	212	maxDestepAlu, epsil, stmin);
	213	//
	214	// tracking media for slats: check the parameters!!
	215	fMUON->AliMedium(11, "PCB_COPPER ", 31, 0, iSXFLD, sXMGMX, tmaxfd,
	216	maxStepAlu, maxDestepAlu, epsil, stmin);
	217	fMUON->AliMedium(12, "G10 ", 32, 0, iSXFLD, sXMGMX, tmaxfd,
	218	maxStepAlu, maxDestepAlu, epsil, stmin);
	219	fMUON->AliMedium(13, "CARBON ", 33, 0, iSXFLD, sXMGMX, tmaxfd,
	220	maxStepAlu, maxDestepAlu, epsil, stmin);
	221	fMUON->AliMedium(14, "Rohacell ", 34, 0, iSXFLD, sXMGMX, tmaxfd,
	222	maxStepAlu, maxDestepAlu, epsil, stmin);
	223	fMUON->AliMedium(15, "Nomex ", 35, 0, iSXFLD, sXMGMX, tmaxfd,
	224	maxStepAlu, maxDestepAlu, epsil, stmin);
	225	fMUON->AliMedium(16, "Noryl ", 36, 0, iSXFLD, sXMGMX, tmaxfd,
	226	maxStepAlu, maxDestepAlu, epsil, stmin);
	227	fMUON->AliMedium(17, "Nomex bulk ", 37, 0, iSXFLD, sXMGMX, tmaxfd,
	228	maxStepAlu, maxDestepAlu, epsil, stmin);
b60e0f5e	229
	230	// for station 2 only
	231	// was med: 4 mat: 9
	232	fMUON->AliMedium(22, "COPPER_II ", 42, 0, iSXFLD, sXMGMX,
	233	tmaxfd, maxStepAlu, maxDestepAlu, epsil, stmin);
	234	// was med: 10 mat: 30
	235	fMUON->AliMedium(23, "FR4_CH ", 43, 0, iSXFLD, sXMGMX,
	236	10.0, 0.01, 0.1, 0.003, 0.003);
	237	fMUON->AliMedium(24, "FrameCH$", 44, 1, iSXFLD, sXMGMX,
	238	10.0, 0.001, 0.001, 0.001, 0.001);
	239	fMUON->AliMedium(29, "Kapton ", 49, 0, iSXFLD, sXMGMX,
	240	10.0, 0.01, 1.0, 0.003, 0.003);
	241	// was med: 18 mat: 34
e118b27e	242	}
	243
	244