Clean up to correct for the mess introduced by my eratic branching !
[u/mrichter/AliRoot.git] / PHOS / AliPHOS.cxx
CommitLineData
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"
9f616d61 30//#include "TGeant3.h"
fe4da5cc 31#include "AliRun.h"
fe4da5cc 32
fe4da5cc 33ClassImp(AliPHOS)
34
d15a28e7 35//____________________________________________________________________________
36AliPHOS::AliPHOS(const char* name, const char* title)
37 : AliDetector(name,title)
fe4da5cc 38{
fe4da5cc 39}
40
d15a28e7 41//____________________________________________________________________________
42AliPHOS::AliPHOS() : AliDetector()
fe4da5cc 43{
fe4da5cc 44}
fe4da5cc 45
d15a28e7 46//____________________________________________________________________________
47AliPHOS::~AliPHOS()
fe4da5cc 48{
d15a28e7 49 delete fHits ;
50 delete fDigits ;
fe4da5cc 51}
fe4da5cc 52
d15a28e7 53//____________________________________________________________________________
fe4da5cc 54void AliPHOS::CreateMaterials()
55{
d15a28e7 56 // DEFINITION OF PHOS MATERIALS
fe4da5cc 57
d15a28e7 58 // --- The PbWO4 crystals ---
59 Float_t AX[3] = {207.19, 183.85, 16.0} ;
60 Float_t ZX[3] = {82.0, 74.0, 8.0} ;
61 Float_t WX[3] = {1.0, 1.0, 4.0} ;
62 Float_t DX = 8.28 ;
fe4da5cc 63
d15a28e7 64 AliMixture(0, "PbWO4$", AX, ZX, DX, -3, WX) ;
fe4da5cc 65
fe4da5cc 66
d15a28e7 67 // --- The polysterene scintillator (CH) ---
68 Float_t AP[2] = {12.011, 1.00794} ;
69 Float_t ZP[2] = {6.0, 1.0} ;
70 Float_t WP[2] = {1.0, 1.0} ;
71 Float_t DP = 1.032 ;
fe4da5cc 72
d15a28e7 73 AliMixture(1, "Polystyrene$", AP, ZP, DP, -2, WP) ;
fe4da5cc 74
d15a28e7 75 // --- Aluminium ---
76 AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
77 // --- Absorption length is ignored ^
fe4da5cc 78
d15a28e7 79 // --- Tyvek (CnH2n) ---
80 Float_t AT[2] = {12.011, 1.00794} ;
81 Float_t ZT[2] = {6.0, 1.0} ;
82 Float_t WT[2] = {1.0, 2.0} ;
83 Float_t DT = 0.331 ;
fe4da5cc 84
d15a28e7 85 AliMixture(3, "Tyvek$", AT, ZT, DT, -2, WT) ;
fe4da5cc 86
d15a28e7 87 // --- Polystyrene foam ---
88 Float_t AF[2] = {12.011, 1.00794} ;
89 Float_t ZF[2] = {6.0, 1.0} ;
90 Float_t WF[2] = {1.0, 1.0} ;
91 Float_t DF = 0.12 ;
fe4da5cc 92
d15a28e7 93 AliMixture(4, "Foam$", AF, ZF, DF, -2, WF) ;
fe4da5cc 94
d15a28e7 95 // --- Titanium ---
96 Float_t ATIT[3] = {47.88, 26.98, 54.94} ;
97 Float_t ZTIT[3] = {22.0, 13.0, 25.0} ;
98 Float_t WTIT[3] = {69.0, 6.0, 1.0} ;
99 Float_t DTIT = 4.5 ;
fe4da5cc 100
d15a28e7 101 AliMixture(5, "Titanium$", ATIT, ZTIT, DTIT, -3, WTIT);
fe4da5cc 102
d15a28e7 103 // --- Silicon ---
104 AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
fe4da5cc 105
fe4da5cc 106
fe4da5cc 107
d15a28e7 108 // --- Foam thermo insulation ---
109 Float_t ATI[2] = {12.011, 1.00794} ;
110 Float_t ZTI[2] = {6.0, 1.0} ;
111 Float_t WTI[2] = {1.0, 1.0} ;
112 Float_t DTI = 0.1 ;
fe4da5cc 113
d15a28e7 114 AliMixture(7, "Thermo Insul.$", ATI, ZTI, DTI, -2, WTI) ;
fe4da5cc 115
d15a28e7 116 // --- Textolitn ---
117 Float_t ATX[4] = {16.0, 28.09, 12.011, 1.00794} ;
118 Float_t ZTX[4] = {8.0, 14.0, 6.0, 1.0} ;
119 Float_t WTX[4] = {292.0, 68.0, 462.0, 736.0} ;
120 Float_t DTX = 1.75 ;
fe4da5cc 121
d15a28e7 122 AliMixture(8, "Textolit$", ATX, ZTX, DTX, -4, WTX) ;
fe4da5cc 123
d15a28e7 124 //--- FR4 ---
125 Float_t AFR[3] = {28.0855, 15.9994, 17.749} ;
126 Float_t ZFR[3] = {14., 8., 8.875} ;
127 Float_t WFR[3] = {.28, .32, .4} ;
128 Float_t DFR = 1.8 ;
fe4da5cc 129
d15a28e7 130 AliMixture(9, "FR4$", AFR, ZFR, DFR, -3, WFR) ;
fe4da5cc 131
d15a28e7 132 // --- The Composite Material for micromegas (so far polyetylene) ---
133 Float_t ACM[2] = {12.01, 1.} ;
134 Float_t ZCM[2] = {6., 1.} ;
135 Float_t WCM[2] = {1., 2.} ;
136 Float_t DCM = 0.935 ;
fe4da5cc 137
d15a28e7 138 AliMixture(10, "Compo Mat$", ACM, ZCM, DCM, -2, WCM) ;
fe4da5cc 139
d15a28e7 140 // --- Copper ---
141 AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
142
143 // --- G10 : Printed Circuit material ---
144 Float_t AG10[4] = { 12., 1., 16., 28.} ;
145 Float_t ZG10[4] = { 6., 1., 8., 14.} ;
146 Float_t WG10[4] = { .259, .288, .248, .205} ;
147 Float_t DG10 = 1.7 ;
148
149 AliMixture(12, "G10$", AG10, ZG10, DG10, -4, WG10);
fe4da5cc 150
d15a28e7 151 // --- Lead ---
152 AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
fe4da5cc 153
d15a28e7 154 // --- The gas mixture ---
155 // Co2
156 Float_t ACO[2] = {12.0, 16.0} ;
157 Float_t ZCO[2] = {6.0, 8.0} ;
158 Float_t WCO[2] = {1.0, 2.0} ;
159 Float_t DCO = 0.001977 ;
fe4da5cc 160
d15a28e7 161 AliMixture(14, "CO2$", ACO, ZCO, DCO, -2, WCO);
fe4da5cc 162
d15a28e7 163 // Ar
164 Float_t DAr = 0.001782 ;
165 AliMaterial(15, "Ar$", 39.948, 18.0, DAr, 14.0, 0., 0, 0) ;
166
167 // ArCo2
168 Char_t namate[21];
169 Float_t AGM[2] ;
170 Float_t ZGM[2] ;
171 Float_t WGM[2] ;
172 Float_t DGM ;
fe4da5cc 173
d15a28e7 174 Float_t AbsL, RadL, Density ;
175 Float_t buf[1] ;
176 Int_t nbuf ;
bc9ab547 177
d15a28e7 178 gMC->Gfmate((*fIdmate)[15], namate, AGM[0], ZGM[0], Density, RadL, AbsL, buf, nbuf) ; // Get properties of Ar
179 gMC->Gfmate((*fIdmate)[14], namate, AGM[1], ZGM[1], Density, RadL, AbsL, buf, nbuf) ; // Get properties of CO2
bc9ab547 180
fe4da5cc 181
d15a28e7 182 // Create gas mixture
fe4da5cc 183
d15a28e7 184 Float_t ArContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%)
185
186 WGM[0] = ArContent;
187 WGM[1] = 1. - ArContent ;
188 DGM = WGM[0] * DAr + WGM[1] * DCO;
fe4da5cc 189
d15a28e7 190 AliMixture(16, "ArCO2$", AGM, ZGM, DGM, 2, WGM) ;
fe4da5cc 191
d15a28e7 192
193 // --- Air ---
194 AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
fe4da5cc 195
d15a28e7 196
197 // DEFINITION OF THE TRACKING MEDIA
fe4da5cc 198
d15a28e7 199 // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
200 Int_t * idtmed = fIdtmed->GetArray() - 699 ;
201 Int_t ISXFLD = gAlice->Field()->Integ() ;
202 Float_t SXMGMX = gAlice->Field()->Max() ;
fe4da5cc 203
d15a28e7 204 // The scintillator of the calorimeter made of PBW04 -> idtmed[699]
205 AliMedium(0, "PHOS Xtal $", 0, 1,
206 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 207
d15a28e7 208 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700]
209 AliMedium(1, "CPV scint. $", 1, 1,
210 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 211
d15a28e7 212 // Various Aluminium parts made of Al -> idtmed[701]
213 AliMedium(2, "Al parts $", 2, 0,
214 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc 215
d15a28e7 216 // The Tywek which wraps the calorimeter crystals -> idtmed[702]
217 AliMedium(3, "Tyvek wrapper$", 3, 0,
218 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc 219
d15a28e7 220 // The Polystyrene foam around the calorimeter module -> idtmed[703]
221 AliMedium(4, "Polyst. foam $", 4, 0,
222 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 223
d15a28e7 224 // The Titanium around the calorimeter crystal -> idtmed[704]
225 AliMedium(5, "Titan. cover $", 5, 0,
226 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
fe4da5cc 227
d15a28e7 228 // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
229 AliMedium(6, "Si PIN $", 6, 0,
230 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
fe4da5cc 231
d15a28e7 232 // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
233 AliMedium(7, "Thermo Insul.$", 7, 0,
234 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 235
d15a28e7 236 // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
237 AliMedium(8, "Textolit $", 8, 0,
238 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 239
d15a28e7 240 // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
241 AliMedium(9, "FR4 $", 9, 0,
242 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc 243
fe4da5cc 244
d15a28e7 245 // The Composite Material for micromegas -> idtmed[709]
246 AliMedium(10, "CompoMat $", 10, 0,
247 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 248
d15a28e7 249 // Copper -> idtmed[710]
250 AliMedium(11, "Copper $", 11, 0,
251 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc 252
d15a28e7 253 // G10: Printed Circuit material -> idtmed[711]
254
255 AliMedium(12, "G10 $", 12, 0,
256 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
fe4da5cc 257
d15a28e7 258 // The Lead -> idtmed[712]
259
260 AliMedium(13, "Lead $", 13, 0,
261 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 262
d15a28e7 263 // The gas mixture: ArCo2 -> idtmed[715]
264
265 AliMedium(16, "ArCo2 $", 16, 1,
266 ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
267
268 // Air -> idtmed[798]
269 AliMedium(99, "Air $", 99, 0,
270 ISXFLD, SXMGMX, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
fe4da5cc 271
d15a28e7 272 // --- Set decent energy thresholds for gamma and electron tracking
fe4da5cc 273
d15a28e7 274 // Tracking threshold for photons and electrons in the scintillator crystal
275 gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
276 gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
9f616d61 277
d15a28e7 278 // --- Generate explicitly delta rays in the titan cover ---
279 gMC->Gstpar(idtmed[704], "LOSS",3.) ;
280 gMC->Gstpar(idtmed[704], "DRAY",1.) ;
fe4da5cc 281
d15a28e7 282 // --- and in aluminium parts ---
283 gMC->Gstpar(idtmed[701], "LOSS",3.) ;
284 gMC->Gstpar(idtmed[701], "DRAY",1.) ;
fe4da5cc 285
9f616d61 286// Tracking threshold for photons and electrons in the gas ArC02
287 // TGeant3 *geant3 = (TGeant3*)gMC;
288 //geant3->SetERAN(5.e-8, 1.e1,90);
289
290 gMC->Gstpar(idtmed[715], "CUTGAM",1.E-8) ;
291 gMC->Gstpar(idtmed[715], "CUTELE",1.E-8) ;
292 gMC->Gstpar(idtmed[715], "CUTNEU",1.E-8) ;
293 gMC->Gstpar(idtmed[715], "CUTHAD",1.E-8) ;
294 gMC->Gstpar(idtmed[715], "CUTMUO",1.E-8) ;
295 gMC->Gstpar(idtmed[715], "BCUTE",1.E-8) ;
296 gMC->Gstpar(idtmed[715], "BCUTM",1.E-8) ;
297 gMC->Gstpar(idtmed[715], "DCUTE",1.E-8) ;
298 gMC->Gstpar(idtmed[715], "DCUTM",1.E-8) ;
299 gMC->Gstpar(idtmed[715], "PPCUTM",1.E-8) ;
300 gMC->Gstpar(idtmed[715], "LOSS",2.) ;
301 gMC->Gstpar(idtmed[715], "DRAY",0.) ;
302 gMC->Gstpar(idtmed[715], "STRA",2.) ;
303
304
305
306
fe4da5cc 307}