Assingment of upper PPSD RP to TS is corrected; Algorithm of assingment slightly...
[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. *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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14 **************************************************************************/
15
b2a60966 16/* $Id$ */
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 ---
fe4da5cc 29
30// --- Standard library ---
fe4da5cc 31
d15a28e7 32// --- AliRoot header files ---
33
fe4da5cc 34#include "AliPHOS.h"
d15a28e7 35#include "AliMC.h"
fe4da5cc 36#include "AliRun.h"
fe4da5cc 37
fe4da5cc 38ClassImp(AliPHOS)
39
d15a28e7 40//____________________________________________________________________________
d15a28e7 41AliPHOS::~AliPHOS()
fe4da5cc 42{
88714635 43 // dtor
d15a28e7 44 delete fHits ;
45 delete fDigits ;
fe4da5cc 46}
fe4da5cc 47
d15a28e7 48//____________________________________________________________________________
fe4da5cc 49void AliPHOS::CreateMaterials()
50{
b2a60966 51 // Definitions of materials to build PHOS and associated tracking media.
52 // media number in idtmed are 699 to 798.
fe4da5cc 53
d15a28e7 54 // --- The PbWO4 crystals ---
92862013 55 Float_t aX[3] = {207.19, 183.85, 16.0} ;
56 Float_t zX[3] = {82.0, 74.0, 8.0} ;
57 Float_t wX[3] = {1.0, 1.0, 4.0} ;
58 Float_t dX = 8.28 ;
fe4da5cc 59
92862013 60 AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;
fe4da5cc 61
fe4da5cc 62
d15a28e7 63 // --- The polysterene scintillator (CH) ---
92862013 64 Float_t aP[2] = {12.011, 1.00794} ;
65 Float_t zP[2] = {6.0, 1.0} ;
66 Float_t wP[2] = {1.0, 1.0} ;
67 Float_t dP = 1.032 ;
fe4da5cc 68
92862013 69 AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ;
fe4da5cc 70
d15a28e7 71 // --- Aluminium ---
72 AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
73 // --- Absorption length is ignored ^
fe4da5cc 74
d15a28e7 75 // --- Tyvek (CnH2n) ---
92862013 76 Float_t aT[2] = {12.011, 1.00794} ;
77 Float_t zT[2] = {6.0, 1.0} ;
78 Float_t wT[2] = {1.0, 2.0} ;
79 Float_t dT = 0.331 ;
fe4da5cc 80
92862013 81 AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;
fe4da5cc 82
d15a28e7 83 // --- Polystyrene foam ---
92862013 84 Float_t aF[2] = {12.011, 1.00794} ;
85 Float_t zF[2] = {6.0, 1.0} ;
86 Float_t wF[2] = {1.0, 1.0} ;
87 Float_t dF = 0.12 ;
fe4da5cc 88
92862013 89 AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;
fe4da5cc 90
d15a28e7 91 // --- Titanium ---
92862013 92 Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
93 Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
94 Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
95 Float_t dTIT = 4.5 ;
fe4da5cc 96
92862013 97 AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);
fe4da5cc 98
d15a28e7 99 // --- Silicon ---
100 AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
fe4da5cc 101
fe4da5cc 102
fe4da5cc 103
d15a28e7 104 // --- Foam thermo insulation ---
92862013 105 Float_t aTI[2] = {12.011, 1.00794} ;
106 Float_t zTI[2] = {6.0, 1.0} ;
107 Float_t wTI[2] = {1.0, 1.0} ;
108 Float_t dTI = 0.1 ;
fe4da5cc 109
92862013 110 AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;
fe4da5cc 111
d15a28e7 112 // --- Textolitn ---
92862013 113 Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
114 Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
115 Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
116 Float_t dTX = 1.75 ;
fe4da5cc 117
92862013 118 AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;
fe4da5cc 119
d15a28e7 120 //--- FR4 ---
92862013 121 Float_t aFR[3] = {28.0855, 15.9994, 17.749} ;
122 Float_t zFR[3] = {14., 8., 8.875} ;
123 Float_t wFR[3] = {.28, .32, .4} ;
124 Float_t dFR = 1.8 ;
fe4da5cc 125
92862013 126 AliMixture(9, "FR4$", aFR, zFR, dFR, -3, wFR) ;
fe4da5cc 127
d15a28e7 128 // --- The Composite Material for micromegas (so far polyetylene) ---
92862013 129 Float_t aCM[2] = {12.01, 1.} ;
130 Float_t zCM[2] = {6., 1.} ;
131 Float_t wCM[2] = {1., 2.} ;
132 Float_t dCM = 0.935 ;
fe4da5cc 133
92862013 134 AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;
fe4da5cc 135
d15a28e7 136 // --- Copper ---
137 AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
138
139 // --- G10 : Printed Circuit material ---
92862013 140 Float_t aG10[4] = { 12., 1., 16., 28.} ;
141 Float_t zG10[4] = { 6., 1., 8., 14.} ;
142 Float_t wG10[4] = { .259, .288, .248, .205} ;
143 Float_t dG10 = 1.7 ;
d15a28e7 144
92862013 145 AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);
fe4da5cc 146
d15a28e7 147 // --- Lead ---
148 AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
fe4da5cc 149
d15a28e7 150 // --- The gas mixture ---
151 // Co2
92862013 152 Float_t aCO[2] = {12.0, 16.0} ;
153 Float_t zCO[2] = {6.0, 8.0} ;
154 Float_t wCO[2] = {1.0, 2.0} ;
155 Float_t dCO = 0.001977 ;
fe4da5cc 156
92862013 157 AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);
fe4da5cc 158
d15a28e7 159 // Ar
92862013 160 Float_t dAr = 0.001782 ;
161 AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;
d15a28e7 162
163 // ArCo2
164 Char_t namate[21];
92862013 165 Float_t aGM[2] ;
166 Float_t zGM[2] ;
167 Float_t wGM[2] ;
168 Float_t dGM ;
fe4da5cc 169
92862013 170 Float_t absL, radL, density ;
d15a28e7 171 Float_t buf[1] ;
172 Int_t nbuf ;
bc9ab547 173
92862013 174 gMC->Gfmate((*fIdmate)[15], namate, aGM[0], zGM[0], density, radL, absL, buf, nbuf) ; // Get properties of Ar
175 gMC->Gfmate((*fIdmate)[14], namate, aGM[1], zGM[1], density, radL, absL, buf, nbuf) ; // Get properties of CO2
bc9ab547 176
fe4da5cc 177
d15a28e7 178 // Create gas mixture
fe4da5cc 179
92862013 180 Float_t arContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%)
d15a28e7 181
92862013 182 wGM[0] = arContent;
183 wGM[1] = 1. - arContent ;
184 dGM = wGM[0] * dAr + wGM[1] * dCO;
fe4da5cc 185
92862013 186 AliMixture(16, "ArCO2$", aGM, zGM, dGM, 2, wGM) ;
fe4da5cc 187
d15a28e7 188
189 // --- Air ---
190 AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
fe4da5cc 191
d15a28e7 192
193 // DEFINITION OF THE TRACKING MEDIA
fe4da5cc 194
d15a28e7 195 // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
196 Int_t * idtmed = fIdtmed->GetArray() - 699 ;
92862013 197 Int_t isxfld = gAlice->Field()->Integ() ;
198 Float_t sxmgmx = gAlice->Field()->Max() ;
fe4da5cc 199
d15a28e7 200 // The scintillator of the calorimeter made of PBW04 -> idtmed[699]
201 AliMedium(0, "PHOS Xtal $", 0, 1,
92862013 202 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 203
d15a28e7 204 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700]
205 AliMedium(1, "CPV scint. $", 1, 1,
92862013 206 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 207
d15a28e7 208 // Various Aluminium parts made of Al -> idtmed[701]
209 AliMedium(2, "Al parts $", 2, 0,
92862013 210 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc 211
d15a28e7 212 // The Tywek which wraps the calorimeter crystals -> idtmed[702]
213 AliMedium(3, "Tyvek wrapper$", 3, 0,
92862013 214 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc 215
d15a28e7 216 // The Polystyrene foam around the calorimeter module -> idtmed[703]
217 AliMedium(4, "Polyst. foam $", 4, 0,
92862013 218 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 219
d15a28e7 220 // The Titanium around the calorimeter crystal -> idtmed[704]
221 AliMedium(5, "Titan. cover $", 5, 0,
92862013 222 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
fe4da5cc 223
d15a28e7 224 // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
225 AliMedium(6, "Si PIN $", 6, 0,
92862013 226 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
fe4da5cc 227
d15a28e7 228 // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
229 AliMedium(7, "Thermo Insul.$", 7, 0,
92862013 230 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 231
d15a28e7 232 // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
233 AliMedium(8, "Textolit $", 8, 0,
92862013 234 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 235
d15a28e7 236 // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
237 AliMedium(9, "FR4 $", 9, 0,
92862013 238 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc 239
fe4da5cc 240
d15a28e7 241 // The Composite Material for micromegas -> idtmed[709]
242 AliMedium(10, "CompoMat $", 10, 0,
92862013 243 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 244
d15a28e7 245 // Copper -> idtmed[710]
246 AliMedium(11, "Copper $", 11, 0,
92862013 247 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc 248
d15a28e7 249 // G10: Printed Circuit material -> idtmed[711]
250
251 AliMedium(12, "G10 $", 12, 0,
92862013 252 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
fe4da5cc 253
d15a28e7 254 // The Lead -> idtmed[712]
255
256 AliMedium(13, "Lead $", 13, 0,
92862013 257 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 258
d15a28e7 259 // The gas mixture: ArCo2 -> idtmed[715]
260
261 AliMedium(16, "ArCo2 $", 16, 1,
92862013 262 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
d15a28e7 263
264 // Air -> idtmed[798]
265 AliMedium(99, "Air $", 99, 0,
92862013 266 isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
fe4da5cc 267
d15a28e7 268 // --- Set decent energy thresholds for gamma and electron tracking
fe4da5cc 269
d15a28e7 270 // Tracking threshold for photons and electrons in the scintillator crystal
271 gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
272 gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
9f616d61 273
d15a28e7 274 // --- Generate explicitly delta rays in the titan cover ---
275 gMC->Gstpar(idtmed[704], "LOSS",3.) ;
276 gMC->Gstpar(idtmed[704], "DRAY",1.) ;
d15a28e7 277 // --- and in aluminium parts ---
278 gMC->Gstpar(idtmed[701], "LOSS",3.) ;
279 gMC->Gstpar(idtmed[701], "DRAY",1.) ;
92862013 280 // --- and in PIN diode
281 gMC->Gstpar(idtmed[705], "LOSS",3) ;
282 gMC->Gstpar(idtmed[705], "DRAY",1) ;
283 // --- and in the passive convertor
284 gMC->Gstpar(idtmed[712], "LOSS",3) ;
285 gMC->Gstpar(idtmed[712], "DRAY",1) ;
286 // Tracking threshold for photons and electrons in the gas ArC02
b7101219 287 gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ;
288 gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ;
289 gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ;
290 gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ;
291 gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ;
292 gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ;
293 gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ;
294 gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ;
295 gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ;
296 gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ;
9f616d61 297 gMC->Gstpar(idtmed[715], "LOSS",2.) ;
298 gMC->Gstpar(idtmed[715], "DRAY",0.) ;
299 gMC->Gstpar(idtmed[715], "STRA",2.) ;
300
0c409cb2 301}
302
303//____________________________________________________________________________
2ea4f4fc 304void AliPHOS::SetTreeAddress()
305{
07a64e48 306 // TBranch *branch;
2ea4f4fc 307 AliDetector::SetTreeAddress();
308
07a64e48 309 // //Branch address for TreeR: RecParticles
310// TTree *treeR = gAlice->TreeR();
311// if ( treeR && fRecParticles ) {
312// branch = treeR->GetBranch("PHOSRP");
313// if (branch) branch->SetAddress(&fRecParticles) ;
314// }
315// //Branch address for TreeR: TrackSegments
316// if ( treeR && fTrackSegments ) {
317// branch = treeR->GetBranch("PHOSTS");
318// if (branch) branch->SetAddress(&fTrackSegments) ;
319// }
320// //Branch address for TreeR: EmcRecPoint
321// if ( treeR && fEmcRecPoints ) {
322// branch = treeR->GetBranch("PHOSEmcRP");
323// if (branch) branch->SetAddress(&fEmcRecPoints) ;
324 // }
0c409cb2 325}
326
9f616d61 327