test
[u/mrichter/AliRoot.git] / PHOS / AliPHOS.cxx
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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
d15a28e7 16//_________________________________________________________________________
17// Base Class of PHOS.
18// Only creates the materials
19//*-- Author : Laurent Aphecetche SUBATECH
20//////////////////////////////////////////////////////////////////////////////
e84be1eb 21
fe4da5cc 22// --- ROOT system ---
fe4da5cc 23
24// --- Standard library ---
fe4da5cc 25
d15a28e7 26// --- AliRoot header files ---
27
fe4da5cc 28#include "AliPHOS.h"
d15a28e7 29#include "AliMC.h"
fe4da5cc 30#include "AliRun.h"
fe4da5cc 31
fe4da5cc 32ClassImp(AliPHOS)
33
d15a28e7 34//____________________________________________________________________________
35AliPHOS::AliPHOS(const char* name, const char* title)
36 : AliDetector(name,title)
fe4da5cc 37{
fe4da5cc 38}
39
d15a28e7 40//____________________________________________________________________________
41AliPHOS::AliPHOS() : AliDetector()
fe4da5cc 42{
fe4da5cc 43}
fe4da5cc 44
d15a28e7 45//____________________________________________________________________________
46AliPHOS::~AliPHOS()
fe4da5cc 47{
d15a28e7 48 delete fHits ;
49 delete fDigits ;
fe4da5cc 50}
fe4da5cc 51
d15a28e7 52//____________________________________________________________________________
fe4da5cc 53void AliPHOS::CreateMaterials()
54{
d15a28e7 55 // DEFINITION OF PHOS MATERIALS
fe4da5cc 56
d15a28e7 57 // --- The PbWO4 crystals ---
58 Float_t AX[3] = {207.19, 183.85, 16.0} ;
59 Float_t ZX[3] = {82.0, 74.0, 8.0} ;
60 Float_t WX[3] = {1.0, 1.0, 4.0} ;
61 Float_t DX = 8.28 ;
fe4da5cc 62
d15a28e7 63 AliMixture(0, "PbWO4$", AX, ZX, DX, -3, WX) ;
fe4da5cc 64
fe4da5cc 65
d15a28e7 66 // --- The polysterene scintillator (CH) ---
67 Float_t AP[2] = {12.011, 1.00794} ;
68 Float_t ZP[2] = {6.0, 1.0} ;
69 Float_t WP[2] = {1.0, 1.0} ;
70 Float_t DP = 1.032 ;
fe4da5cc 71
d15a28e7 72 AliMixture(1, "Polystyrene$", AP, ZP, DP, -2, WP) ;
fe4da5cc 73
d15a28e7 74 // --- Aluminium ---
75 AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
76 // --- Absorption length is ignored ^
fe4da5cc 77
d15a28e7 78 // --- Tyvek (CnH2n) ---
79 Float_t AT[2] = {12.011, 1.00794} ;
80 Float_t ZT[2] = {6.0, 1.0} ;
81 Float_t WT[2] = {1.0, 2.0} ;
82 Float_t DT = 0.331 ;
fe4da5cc 83
d15a28e7 84 AliMixture(3, "Tyvek$", AT, ZT, DT, -2, WT) ;
fe4da5cc 85
d15a28e7 86 // --- Polystyrene foam ---
87 Float_t AF[2] = {12.011, 1.00794} ;
88 Float_t ZF[2] = {6.0, 1.0} ;
89 Float_t WF[2] = {1.0, 1.0} ;
90 Float_t DF = 0.12 ;
fe4da5cc 91
d15a28e7 92 AliMixture(4, "Foam$", AF, ZF, DF, -2, WF) ;
fe4da5cc 93
d15a28e7 94 // --- Titanium ---
95 Float_t ATIT[3] = {47.88, 26.98, 54.94} ;
96 Float_t ZTIT[3] = {22.0, 13.0, 25.0} ;
97 Float_t WTIT[3] = {69.0, 6.0, 1.0} ;
98 Float_t DTIT = 4.5 ;
fe4da5cc 99
d15a28e7 100 AliMixture(5, "Titanium$", ATIT, ZTIT, DTIT, -3, WTIT);
fe4da5cc 101
d15a28e7 102 // --- Silicon ---
103 AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
fe4da5cc 104
fe4da5cc 105
fe4da5cc 106
d15a28e7 107 // --- Foam thermo insulation ---
108 Float_t ATI[2] = {12.011, 1.00794} ;
109 Float_t ZTI[2] = {6.0, 1.0} ;
110 Float_t WTI[2] = {1.0, 1.0} ;
111 Float_t DTI = 0.1 ;
fe4da5cc 112
d15a28e7 113 AliMixture(7, "Thermo Insul.$", ATI, ZTI, DTI, -2, WTI) ;
fe4da5cc 114
d15a28e7 115 // --- Textolitn ---
116 Float_t ATX[4] = {16.0, 28.09, 12.011, 1.00794} ;
117 Float_t ZTX[4] = {8.0, 14.0, 6.0, 1.0} ;
118 Float_t WTX[4] = {292.0, 68.0, 462.0, 736.0} ;
119 Float_t DTX = 1.75 ;
fe4da5cc 120
d15a28e7 121 AliMixture(8, "Textolit$", ATX, ZTX, DTX, -4, WTX) ;
fe4da5cc 122
d15a28e7 123 //--- FR4 ---
124 Float_t AFR[3] = {28.0855, 15.9994, 17.749} ;
125 Float_t ZFR[3] = {14., 8., 8.875} ;
126 Float_t WFR[3] = {.28, .32, .4} ;
127 Float_t DFR = 1.8 ;
fe4da5cc 128
d15a28e7 129 AliMixture(9, "FR4$", AFR, ZFR, DFR, -3, WFR) ;
fe4da5cc 130
d15a28e7 131 // --- The Composite Material for micromegas (so far polyetylene) ---
132 Float_t ACM[2] = {12.01, 1.} ;
133 Float_t ZCM[2] = {6., 1.} ;
134 Float_t WCM[2] = {1., 2.} ;
135 Float_t DCM = 0.935 ;
fe4da5cc 136
d15a28e7 137 AliMixture(10, "Compo Mat$", ACM, ZCM, DCM, -2, WCM) ;
fe4da5cc 138
d15a28e7 139 // --- Copper ---
140 AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
141
142 // --- G10 : Printed Circuit material ---
143 Float_t AG10[4] = { 12., 1., 16., 28.} ;
144 Float_t ZG10[4] = { 6., 1., 8., 14.} ;
145 Float_t WG10[4] = { .259, .288, .248, .205} ;
146 Float_t DG10 = 1.7 ;
147
148 AliMixture(12, "G10$", AG10, ZG10, DG10, -4, WG10);
fe4da5cc 149
d15a28e7 150 // --- Lead ---
151 AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
fe4da5cc 152
d15a28e7 153 // --- The gas mixture ---
154 // Co2
155 Float_t ACO[2] = {12.0, 16.0} ;
156 Float_t ZCO[2] = {6.0, 8.0} ;
157 Float_t WCO[2] = {1.0, 2.0} ;
158 Float_t DCO = 0.001977 ;
fe4da5cc 159
d15a28e7 160 AliMixture(14, "CO2$", ACO, ZCO, DCO, -2, WCO);
fe4da5cc 161
d15a28e7 162 // Ar
163 Float_t DAr = 0.001782 ;
164 AliMaterial(15, "Ar$", 39.948, 18.0, DAr, 14.0, 0., 0, 0) ;
165
166 // ArCo2
167 Char_t namate[21];
168 Float_t AGM[2] ;
169 Float_t ZGM[2] ;
170 Float_t WGM[2] ;
171 Float_t DGM ;
fe4da5cc 172
d15a28e7 173 Float_t AbsL, RadL, Density ;
174 Float_t buf[1] ;
175 Int_t nbuf ;
bc9ab547 176
d15a28e7 177 gMC->Gfmate((*fIdmate)[15], namate, AGM[0], ZGM[0], Density, RadL, AbsL, buf, nbuf) ; // Get properties of Ar
178 gMC->Gfmate((*fIdmate)[14], namate, AGM[1], ZGM[1], Density, RadL, AbsL, buf, nbuf) ; // Get properties of CO2
bc9ab547 179
fe4da5cc 180
d15a28e7 181 // Create gas mixture
fe4da5cc 182
d15a28e7 183 Float_t ArContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%)
184
185 WGM[0] = ArContent;
186 WGM[1] = 1. - ArContent ;
187 DGM = WGM[0] * DAr + WGM[1] * DCO;
fe4da5cc 188
d15a28e7 189 AliMixture(16, "ArCO2$", AGM, ZGM, DGM, 2, WGM) ;
fe4da5cc 190
d15a28e7 191
192 // --- Air ---
193 AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
fe4da5cc 194
d15a28e7 195
196 // DEFINITION OF THE TRACKING MEDIA
fe4da5cc 197
d15a28e7 198 // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
199 Int_t * idtmed = fIdtmed->GetArray() - 699 ;
200 Int_t ISXFLD = gAlice->Field()->Integ() ;
201 Float_t SXMGMX = gAlice->Field()->Max() ;
fe4da5cc 202
d15a28e7 203 // The scintillator of the calorimeter made of PBW04 -> idtmed[699]
204 AliMedium(0, "PHOS Xtal $", 0, 1,
205 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 206
d15a28e7 207 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700]
208 AliMedium(1, "CPV scint. $", 1, 1,
209 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 210
d15a28e7 211 // Various Aluminium parts made of Al -> idtmed[701]
212 AliMedium(2, "Al parts $", 2, 0,
213 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc 214
d15a28e7 215 // The Tywek which wraps the calorimeter crystals -> idtmed[702]
216 AliMedium(3, "Tyvek wrapper$", 3, 0,
217 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc 218
d15a28e7 219 // The Polystyrene foam around the calorimeter module -> idtmed[703]
220 AliMedium(4, "Polyst. foam $", 4, 0,
221 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 222
d15a28e7 223 // The Titanium around the calorimeter crystal -> idtmed[704]
224 AliMedium(5, "Titan. cover $", 5, 0,
225 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
fe4da5cc 226
d15a28e7 227 // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
228 AliMedium(6, "Si PIN $", 6, 0,
229 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
fe4da5cc 230
d15a28e7 231 // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
232 AliMedium(7, "Thermo Insul.$", 7, 0,
233 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 234
d15a28e7 235 // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
236 AliMedium(8, "Textolit $", 8, 0,
237 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 238
d15a28e7 239 // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
240 AliMedium(9, "FR4 $", 9, 0,
241 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc 242
fe4da5cc 243
d15a28e7 244 // The Composite Material for micromegas -> idtmed[709]
245 AliMedium(10, "CompoMat $", 10, 0,
246 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 247
d15a28e7 248 // Copper -> idtmed[710]
249 AliMedium(11, "Copper $", 11, 0,
250 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc 251
d15a28e7 252 // G10: Printed Circuit material -> idtmed[711]
253
254 AliMedium(12, "G10 $", 12, 0,
255 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
fe4da5cc 256
d15a28e7 257 // The Lead -> idtmed[712]
258
259 AliMedium(13, "Lead $", 13, 0,
260 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 261
d15a28e7 262 // The gas mixture: ArCo2 -> idtmed[715]
263
264 AliMedium(16, "ArCo2 $", 16, 1,
265 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
266
267 // Air -> idtmed[798]
268 AliMedium(99, "Air $", 99, 0,
269 ISXFLD, SXMGMX, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
fe4da5cc 270
d15a28e7 271 // --- Set decent energy thresholds for gamma and electron tracking
fe4da5cc 272
d15a28e7 273 // Tracking threshold for photons and electrons in the scintillator crystal
274 gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
275 gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
fe4da5cc 276
d15a28e7 277 // Tracking threshold for photons and electrons in the gas
278 gMC->Gstpar(idtmed[715], "CUTGAM",0.5E-4) ;
279 gMC->Gstpar(idtmed[715], "CUTELE",1.0E-4) ;
fe4da5cc 280
d15a28e7 281 // --- Generate explicitly delta rays in the titan cover ---
282 gMC->Gstpar(idtmed[704], "LOSS",3.) ;
283 gMC->Gstpar(idtmed[704], "DRAY",1.) ;
fe4da5cc 284
d15a28e7 285 // --- and in aluminium parts ---
286 gMC->Gstpar(idtmed[701], "LOSS",3.) ;
287 gMC->Gstpar(idtmed[701], "DRAY",1.) ;
fe4da5cc 288
fe4da5cc 289}