Coding rule violation corrected
[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
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 ---
2ab0c725 29class TFile;
ed4205d8 30#include "TTree.h"
0ce0b56f 31#include "TTask.h"
32#include "TROOT.h"
33#include "TFolder.h"
fe4da5cc 34
35// --- Standard library ---
fe4da5cc 36
037cc66d 37#include <strstream.h>
d15a28e7 38// --- AliRoot header files ---
39
fe4da5cc 40#include "AliPHOS.h"
d15a28e7 41#include "AliMC.h"
fe4da5cc 42#include "AliRun.h"
94de3818 43#include "AliMagF.h"
0e4b7936 44#include "AliPHOSGeometry.h"
fe4da5cc 45
fe4da5cc 46ClassImp(AliPHOS)
47
fe4da5cc 48
0ce0b56f 49//____________________________________________________________________________
50 AliPHOS::AliPHOS():AliDetector()
51{
52 // ctor. creates task PHOS
53 TTask * phosTask = new TTask("PHOS","");
54 TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ;
55 roottasks->Add(phosTask) ;
56}
57
58//____________________________________________________________________________
59 AliPHOS::AliPHOS(const char* name, const char* title=""):AliDetector(name, title)
60{
61 // ctor. creates task PHOS
62 TTask * phosTask = new TTask("PHOS","");
63 TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ;
64 roottasks->Add(phosTask) ;
65}
66
d15a28e7 67//____________________________________________________________________________
fe4da5cc 68void AliPHOS::CreateMaterials()
69{
b2a60966 70 // Definitions of materials to build PHOS and associated tracking media.
71 // media number in idtmed are 699 to 798.
fe4da5cc 72
d15a28e7 73 // --- The PbWO4 crystals ---
92862013 74 Float_t aX[3] = {207.19, 183.85, 16.0} ;
75 Float_t zX[3] = {82.0, 74.0, 8.0} ;
76 Float_t wX[3] = {1.0, 1.0, 4.0} ;
77 Float_t dX = 8.28 ;
fe4da5cc 78
92862013 79 AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;
fe4da5cc 80
fe4da5cc 81
d15a28e7 82 // --- The polysterene scintillator (CH) ---
92862013 83 Float_t aP[2] = {12.011, 1.00794} ;
84 Float_t zP[2] = {6.0, 1.0} ;
85 Float_t wP[2] = {1.0, 1.0} ;
86 Float_t dP = 1.032 ;
fe4da5cc 87
92862013 88 AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ;
fe4da5cc 89
d15a28e7 90 // --- Aluminium ---
91 AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
92 // --- Absorption length is ignored ^
fe4da5cc 93
d15a28e7 94 // --- Tyvek (CnH2n) ---
92862013 95 Float_t aT[2] = {12.011, 1.00794} ;
96 Float_t zT[2] = {6.0, 1.0} ;
97 Float_t wT[2] = {1.0, 2.0} ;
98 Float_t dT = 0.331 ;
fe4da5cc 99
92862013 100 AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;
fe4da5cc 101
d15a28e7 102 // --- Polystyrene foam ---
92862013 103 Float_t aF[2] = {12.011, 1.00794} ;
104 Float_t zF[2] = {6.0, 1.0} ;
105 Float_t wF[2] = {1.0, 1.0} ;
106 Float_t dF = 0.12 ;
fe4da5cc 107
92862013 108 AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;
fe4da5cc 109
d15a28e7 110 // --- Titanium ---
92862013 111 Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
112 Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
113 Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
114 Float_t dTIT = 4.5 ;
fe4da5cc 115
92862013 116 AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);
fe4da5cc 117
d15a28e7 118 // --- Silicon ---
119 AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
fe4da5cc 120
fe4da5cc 121
fe4da5cc 122
d15a28e7 123 // --- Foam thermo insulation ---
92862013 124 Float_t aTI[2] = {12.011, 1.00794} ;
125 Float_t zTI[2] = {6.0, 1.0} ;
126 Float_t wTI[2] = {1.0, 1.0} ;
127 Float_t dTI = 0.1 ;
fe4da5cc 128
92862013 129 AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;
fe4da5cc 130
d15a28e7 131 // --- Textolitn ---
92862013 132 Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
133 Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
134 Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
135 Float_t dTX = 1.75 ;
fe4da5cc 136
92862013 137 AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;
fe4da5cc 138
d15a28e7 139 //--- FR4 ---
92862013 140 Float_t aFR[3] = {28.0855, 15.9994, 17.749} ;
141 Float_t zFR[3] = {14., 8., 8.875} ;
142 Float_t wFR[3] = {.28, .32, .4} ;
143 Float_t dFR = 1.8 ;
fe4da5cc 144
92862013 145 AliMixture(9, "FR4$", aFR, zFR, dFR, -3, wFR) ;
fe4da5cc 146
d15a28e7 147 // --- The Composite Material for micromegas (so far polyetylene) ---
92862013 148 Float_t aCM[2] = {12.01, 1.} ;
149 Float_t zCM[2] = {6., 1.} ;
150 Float_t wCM[2] = {1., 2.} ;
151 Float_t dCM = 0.935 ;
fe4da5cc 152
92862013 153 AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;
fe4da5cc 154
d15a28e7 155 // --- Copper ---
156 AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
157
158 // --- G10 : Printed Circuit material ---
92862013 159 Float_t aG10[4] = { 12., 1., 16., 28.} ;
160 Float_t zG10[4] = { 6., 1., 8., 14.} ;
161 Float_t wG10[4] = { .259, .288, .248, .205} ;
162 Float_t dG10 = 1.7 ;
d15a28e7 163
92862013 164 AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);
fe4da5cc 165
d15a28e7 166 // --- Lead ---
167 AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
fe4da5cc 168
d15a28e7 169 // --- The gas mixture ---
170 // Co2
92862013 171 Float_t aCO[2] = {12.0, 16.0} ;
172 Float_t zCO[2] = {6.0, 8.0} ;
173 Float_t wCO[2] = {1.0, 2.0} ;
174 Float_t dCO = 0.001977 ;
fe4da5cc 175
92862013 176 AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);
fe4da5cc 177
d15a28e7 178 // Ar
92862013 179 Float_t dAr = 0.001782 ;
180 AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;
d15a28e7 181
182 // ArCo2
183 Char_t namate[21];
92862013 184 Float_t aGM[2] ;
185 Float_t zGM[2] ;
186 Float_t wGM[2] ;
187 Float_t dGM ;
fe4da5cc 188
92862013 189 Float_t absL, radL, density ;
d15a28e7 190 Float_t buf[1] ;
191 Int_t nbuf ;
bc9ab547 192
92862013 193 gMC->Gfmate((*fIdmate)[15], namate, aGM[0], zGM[0], density, radL, absL, buf, nbuf) ; // Get properties of Ar
194 gMC->Gfmate((*fIdmate)[14], namate, aGM[1], zGM[1], density, radL, absL, buf, nbuf) ; // Get properties of CO2
bc9ab547 195
fe4da5cc 196
d15a28e7 197 // Create gas mixture
fe4da5cc 198
92862013 199 Float_t arContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%)
d15a28e7 200
92862013 201 wGM[0] = arContent;
202 wGM[1] = 1. - arContent ;
203 dGM = wGM[0] * dAr + wGM[1] * dCO;
fe4da5cc 204
92862013 205 AliMixture(16, "ArCO2$", aGM, zGM, dGM, 2, wGM) ;
fe4da5cc 206
a530ba0a 207 // --- Stainless steel (let it be pure iron) ---
208 AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;
d15a28e7 209
210 // --- Air ---
211 AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
fe4da5cc 212
d15a28e7 213
214 // DEFINITION OF THE TRACKING MEDIA
fe4da5cc 215
d15a28e7 216 // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
217 Int_t * idtmed = fIdtmed->GetArray() - 699 ;
92862013 218 Int_t isxfld = gAlice->Field()->Integ() ;
219 Float_t sxmgmx = gAlice->Field()->Max() ;
fe4da5cc 220
d15a28e7 221 // The scintillator of the calorimeter made of PBW04 -> idtmed[699]
222 AliMedium(0, "PHOS Xtal $", 0, 1,
92862013 223 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 224
d15a28e7 225 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700]
226 AliMedium(1, "CPV scint. $", 1, 1,
92862013 227 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 228
d15a28e7 229 // Various Aluminium parts made of Al -> idtmed[701]
230 AliMedium(2, "Al parts $", 2, 0,
92862013 231 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc 232
d15a28e7 233 // The Tywek which wraps the calorimeter crystals -> idtmed[702]
234 AliMedium(3, "Tyvek wrapper$", 3, 0,
92862013 235 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
fe4da5cc 236
d15a28e7 237 // The Polystyrene foam around the calorimeter module -> idtmed[703]
238 AliMedium(4, "Polyst. foam $", 4, 0,
92862013 239 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 240
d15a28e7 241 // The Titanium around the calorimeter crystal -> idtmed[704]
242 AliMedium(5, "Titan. cover $", 5, 0,
92862013 243 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
fe4da5cc 244
d15a28e7 245 // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
246 AliMedium(6, "Si PIN $", 6, 0,
92862013 247 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
fe4da5cc 248
d15a28e7 249 // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
250 AliMedium(7, "Thermo Insul.$", 7, 0,
92862013 251 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 252
d15a28e7 253 // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
254 AliMedium(8, "Textolit $", 8, 0,
92862013 255 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 256
d15a28e7 257 // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
258 AliMedium(9, "FR4 $", 9, 0,
92862013 259 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc 260
fe4da5cc 261
d15a28e7 262 // The Composite Material for micromegas -> idtmed[709]
263 AliMedium(10, "CompoMat $", 10, 0,
92862013 264 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 265
d15a28e7 266 // Copper -> idtmed[710]
267 AliMedium(11, "Copper $", 11, 0,
92862013 268 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
fe4da5cc 269
d15a28e7 270 // G10: Printed Circuit material -> idtmed[711]
271
272 AliMedium(12, "G10 $", 12, 0,
92862013 273 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
fe4da5cc 274
d15a28e7 275 // The Lead -> idtmed[712]
276
277 AliMedium(13, "Lead $", 13, 0,
92862013 278 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
fe4da5cc 279
d15a28e7 280 // The gas mixture: ArCo2 -> idtmed[715]
281
282 AliMedium(16, "ArCo2 $", 16, 1,
92862013 283 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
d15a28e7 284
a530ba0a 285 // Stainless steel -> idtmed[716]
286 AliMedium(17, "Steel $", 17, 0,
287 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
288
d15a28e7 289 // Air -> idtmed[798]
290 AliMedium(99, "Air $", 99, 0,
92862013 291 isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
fe4da5cc 292
d15a28e7 293 // --- Set decent energy thresholds for gamma and electron tracking
fe4da5cc 294
d15a28e7 295 // Tracking threshold for photons and electrons in the scintillator crystal
296 gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
297 gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
9f616d61 298
d15a28e7 299 // --- Generate explicitly delta rays in the titan cover ---
300 gMC->Gstpar(idtmed[704], "LOSS",3.) ;
301 gMC->Gstpar(idtmed[704], "DRAY",1.) ;
d15a28e7 302 // --- and in aluminium parts ---
303 gMC->Gstpar(idtmed[701], "LOSS",3.) ;
304 gMC->Gstpar(idtmed[701], "DRAY",1.) ;
92862013 305 // --- and in PIN diode
306 gMC->Gstpar(idtmed[705], "LOSS",3) ;
307 gMC->Gstpar(idtmed[705], "DRAY",1) ;
308 // --- and in the passive convertor
309 gMC->Gstpar(idtmed[712], "LOSS",3) ;
310 gMC->Gstpar(idtmed[712], "DRAY",1) ;
311 // Tracking threshold for photons and electrons in the gas ArC02
b7101219 312 gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ;
313 gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ;
314 gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ;
315 gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ;
316 gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ;
317 gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ;
318 gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ;
319 gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ;
320 gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ;
321 gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ;
9f616d61 322 gMC->Gstpar(idtmed[715], "LOSS",2.) ;
323 gMC->Gstpar(idtmed[715], "DRAY",0.) ;
324 gMC->Gstpar(idtmed[715], "STRA",2.) ;
325
0c409cb2 326}
0c409cb2 327//____________________________________________________________________________
2ea4f4fc 328void AliPHOS::SetTreeAddress()
329{
a4e98857 330 // called by AliRun
07a64e48 331 // TBranch *branch;
ad8cfaf4 332 // AliDetector::SetTreeAddress();
333
334 TBranch *branch;
335 char branchname[20];
336 sprintf(branchname,"%s",GetName());
3247125a 337
ad8cfaf4 338 // Branch address for hit tree
339 TTree *treeH = gAlice->TreeH();
340 if (treeH && fHits) {
341 branch = treeH->GetBranch(branchname);
342 if (branch) branch->SetAddress(&fHits);
343 }
0c409cb2 344}
345
9f616d61 346