Geometry framework classes were made independent from the rest of MUON and linked...
[u/mrichter/AliRoot.git] / MUON / AliMUONCommonGeometryBuilder.cxx
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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"
31
32ClassImp(AliMUONCommonGeometryBuilder)
33
34//______________________________________________________________________________//___________________________________________
35AliMUONCommonGeometryBuilder::AliMUONCommonGeometryBuilder(AliMUON* muon)
36 : AliMUONVGeometryBuilder("", 0),
37 fMUON(muon)
38{
39// Standars constructor
40}
41
42//______________________________________________________________________________//___________________________________________
43AliMUONCommonGeometryBuilder::AliMUONCommonGeometryBuilder()
44 : AliMUONVGeometryBuilder(),
45 fMUON(0)
46{
47// Default constructor
48}
49
50//______________________________________________________________________________
51AliMUONCommonGeometryBuilder::AliMUONCommonGeometryBuilder(
52 const AliMUONCommonGeometryBuilder& right)
53 : AliMUONVGeometryBuilder(right)
54{
55 // copy constructor (not implemented)
56
57 Fatal("AliMUONCommonGeometryBuilder", "Copy constructor not provided.");
58}
59
60//______________________________________________________________________________
61AliMUONCommonGeometryBuilder::~AliMUONCommonGeometryBuilder()
62{
63// Destructor
64}
65
66//______________________________________________________________________________
67AliMUONCommonGeometryBuilder&
68AliMUONCommonGeometryBuilder::operator=(const AliMUONCommonGeometryBuilder& right)
69{
70 // assignement operator (not implemented)
71
72 // check assignement to self
73 if (this == &right) return *this;
74
75 Fatal("operator =", "Assignement operator not provided.");
76
77 return *this;
78}
79
80//
81// public functions
82//
83
84//_____________________________________________________________________________
85void AliMUONCommonGeometryBuilder::CreateMaterials()
86{
87 // Definition of common materials
88 // --
89
90 //
91 // Ar-CO2 gas (80%+20%)
92 Float_t ag1[3] = { 39.95,12.01,16. };
93 Float_t zg1[3] = { 18.,6.,8. };
94 Float_t wg1[3] = { .8,.0667,.13333 };
95 Float_t dg1 = .001821;
96 //
97 // Ar-buthane-freon gas -- trigger chambers
98 Float_t atr1[4] = { 39.95,12.01,1.01,19. };
99 Float_t ztr1[4] = { 18.,6.,1.,9. };
100 Float_t wtr1[4] = { .56,.1262857,.2857143,.028 };
101 Float_t dtr1 = .002599;
102 //
103 // Ar-CO2 gas
104 Float_t agas[3] = { 39.95,12.01,16. };
105 Float_t zgas[3] = { 18.,6.,8. };
106 Float_t wgas[3] = { .74,.086684,.173316 };
107 Float_t dgas = .0018327;
108 //
109 // Ar-Isobutane gas (80%+20%) -- tracking
110 Float_t ag[3] = { 39.95,12.01,1.01 };
111 Float_t zg[3] = { 18.,6.,1. };
112 Float_t wg[3] = { .8,.057,.143 };
113 Float_t dg = .0019596;
114 //
115 // Ar-Isobutane-Forane-SF6 gas (49%+7%+40%+4%) -- trigger
116 Float_t atrig[5] = { 39.95,12.01,1.01,19.,32.066 };
117 Float_t ztrig[5] = { 18.,6.,1.,9.,16. };
118 Float_t wtrig[5] = { .49,1.08,1.5,1.84,0.04 };
119 Float_t dtrig = .0031463;
120 //
121 // bakelite: C6 H6 O
122 Float_t abak[3] = {12.01 , 1.01 , 16.};
123 Float_t zbak[3] = {6. , 1. , 8.};
124 Float_t wbak[3] = {6. , 6. , 1.};
125 Float_t dbak = 1.4;
126
127 Int_t iSXFLD = gAlice->Field()->Integ();
128 Float_t sXMGMX = gAlice->Field()->Max();
129 //
130 // --- Define the various materials for GEANT ---
131 fMUON->AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
132 fMUON->AliMaterial(10, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
133 // Air
134 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
135 Float_t zAir[4]={6.,7.,8.,18.};
136 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
137 Float_t dAir = 1.20479E-3;
138 fMUON->AliMixture(15, "AIR$ ", aAir, zAir, dAir,4, wAir);
139 // fMUON->AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
140 fMUON->AliMixture(19, "Bakelite$", abak, zbak, dbak, -3, wbak);
141 fMUON->AliMixture(20, "ArC4H10 GAS$", ag, zg, dg, 3, wg);
142 fMUON->AliMixture(21, "TRIG GAS$", atrig, ztrig, dtrig, -5, wtrig);
143 fMUON->AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);
144 fMUON->AliMixture(23, "Ar-freon $", atr1, ztr1, dtr1, 4, wtr1);
145 fMUON->AliMixture(24, "ArCO2 GAS$", agas, zgas, dgas, 3, wgas);
146
147 // materials for slat:
148 // Sensitive area: gas (already defined)
149 // PCB: copper
150 // insulating material: vetronite -> replacing by G10 Ch. Finck
151 // spacer: noryl Ch. Finck
152 // panel sandwich: carbon, nomex, carbon replacing rohacell by nomex Ch. Finck
153
154 // G10: SiO2(60%) + C8H14O4(40%)
155 Float_t aglass[5] = {12.01, 28.09, 16., 1.01, 16.};
156 Float_t zglass[5] = { 6., 14., 8., 1., 8.};
157 Float_t wglass[5] = { 0.22, 0.28, 0.32, 0.03, 0.15};
158 Float_t dglass = 1.7;
159
160 // rohacell: C9 H13 N1 O2
161 Float_t arohac[4] = {12.01, 1.01, 14.010, 16.};
162 Float_t zrohac[4] = { 6., 1., 7., 8.};
163 Float_t wrohac[4] = { 9., 13., 1., 2.};
164 Float_t drohac = 0.03;
165
166 // Nomex: C22 H10 N2 O5
167 Float_t aNomex[4] = {12.01, 1.01, 14.010, 16.};
168 Float_t zNomex[4] = { 6., 1., 7., 8.};
169 Float_t wNomex[4] = { 22., 10., 2., 5.};
170 Float_t dNomex = 0.024; //honey comb
171 Float_t dNomex2 = 1.43; //bulk material
172
173
174 // Noryl: C8 H8 O polyphenylene oxyde (di-methyl not sure)
175 Float_t aNoryl[3] = {12.01, 1.01, 16.};
176 Float_t zNoryl[3] = { 6., 1., 8.};
177 Float_t wNoryl[3] = { 8., 8., 1.};
178 Float_t dNoryl = 1.06;
179
180 fMUON->AliMaterial(31, "COPPER$", 63.54, 29., 8.96, 1.4, 0.);
181 fMUON->AliMixture( 32, "G10$", aglass, zglass, dglass, -5, wglass);
182 fMUON->AliMaterial(33, "Carbon$", 12.01, 6., 2.265, 18.8, 49.9);
183 fMUON->AliMixture( 34, "Rohacell$", arohac, zrohac, drohac, -4, wrohac);
184 fMUON->AliMixture( 35, "Nomex$", aNomex, zNomex, dNomex, -4, wNomex);
185 fMUON->AliMixture( 36, "Noryl$", aNoryl, zNoryl, dNoryl, -3, wNoryl);
186 fMUON->AliMixture( 37, "Nomex_bulk$",aNomex, zNomex, dNomex2, -4, wNomex);
187
188 Float_t epsil = .001; // Tracking precision,
189 Float_t stemax = -1.; // Maximum displacement for multiple scat
190 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
191 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
192 Float_t stmin = -.8;
193 Float_t maxDestepAlu = fMUON->GetMaxDestepAlu();
194 Float_t maxDestepGas = fMUON->GetMaxDestepGas();
195 Float_t maxStepAlu = fMUON->GetMaxStepAlu();
196 Float_t maxStepGas = fMUON->GetMaxStepGas();
197
198 //
199 // Air
200 fMUON->AliMedium(1, "AIR_CH_US ", 15, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
201
202 //
203 // Aluminum
204 fMUON->AliMedium(4, "ALU_CH_US ", 9, 0, iSXFLD, sXMGMX, tmaxfd, maxStepAlu,
205 maxDestepAlu, epsil, stmin);
206 fMUON->AliMedium(5, "ALU_CH_US ", 10, 0, iSXFLD, sXMGMX, tmaxfd, maxStepAlu,
207 maxDestepAlu, epsil, stmin);
208 //
209 // Ar-isoC4H10 gas
210 fMUON->AliMedium(6, "AR_CH_US ", 20, 1, iSXFLD, sXMGMX, tmaxfd, maxStepGas,
211 maxDestepGas, epsil, stmin);
212 //
213 // Ar-Isobuthane-Forane-SF6 gas
214 fMUON->AliMedium(7, "GAS_CH_TRIGGER ", 21, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
215
216 fMUON->AliMedium(8, "BAKE_CH_TRIGGER ", 19, 0, iSXFLD, sXMGMX, tmaxfd, maxStepAlu,
217 maxDestepAlu, epsil, stmin);
218 //
219 // slat medium
220 fMUON->AliMedium(9, "ARG_CO2 ", 22, 1, iSXFLD, sXMGMX, tmaxfd, maxStepGas,
221 maxDestepAlu, epsil, stmin);
222 //
223 // tracking media for slats: check the parameters!!
224 fMUON->AliMedium(11, "PCB_COPPER ", 31, 0, iSXFLD, sXMGMX, tmaxfd,
225 maxStepAlu, maxDestepAlu, epsil, stmin);
226 fMUON->AliMedium(12, "G10 ", 32, 0, iSXFLD, sXMGMX, tmaxfd,
227 maxStepAlu, maxDestepAlu, epsil, stmin);
228 fMUON->AliMedium(13, "CARBON ", 33, 0, iSXFLD, sXMGMX, tmaxfd,
229 maxStepAlu, maxDestepAlu, epsil, stmin);
230 fMUON->AliMedium(14, "Rohacell ", 34, 0, iSXFLD, sXMGMX, tmaxfd,
231 maxStepAlu, maxDestepAlu, epsil, stmin);
232 fMUON->AliMedium(15, "Nomex ", 35, 0, iSXFLD, sXMGMX, tmaxfd,
233 maxStepAlu, maxDestepAlu, epsil, stmin);
234 fMUON->AliMedium(16, "Noryl ", 36, 0, iSXFLD, sXMGMX, tmaxfd,
235 maxStepAlu, maxDestepAlu, epsil, stmin);
236 fMUON->AliMedium(17, "Nomex bulk ", 37, 0, iSXFLD, sXMGMX, tmaxfd,
237 maxStepAlu, maxDestepAlu, epsil, stmin);
238}
239
240