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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 | **************************************************************************/ | |
b2a60966 | 15 | /* $Id$ */ |
ffcecca6 | 16 | /* History of cvs commits: |
17 | * | |
18 | * $Log$ | |
7b60fe7e | 19 | * Revision 1.93 2005/11/22 08:45:11 kharlov |
20 | * Calibration is read from CDB if any (Boris Polichtchouk) | |
21 | * | |
c15b04ad | 22 | * Revision 1.92 2005/11/03 13:09:19 hristov |
23 | * Removing meaningless const declarations (linuxicc) | |
24 | * | |
eb0b1051 | 25 | * Revision 1.91 2005/07/27 15:08:53 kharlov |
26 | * Mixture ArCO2 is corrected | |
27 | * | |
a004143a | 28 | * Revision 1.90 2005/06/17 07:39:07 hristov |
29 | * Removing GetDebug and SetDebug from AliRun and AliModule. Using AliLog for the messages | |
30 | * | |
4951e003 | 31 | * Revision 1.89 2005/05/28 12:10:07 schutz |
32 | * Copy constructor is corrected (by T.P.) | |
33 | * | |
ffcecca6 | 34 | */ |
b2a60966 | 35 | |
d15a28e7 | 36 | //_________________________________________________________________________ |
b2a60966 | 37 | // Base Class for PHOS description: |
38 | // PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged | |
39 | // particles detector (CPV or PPSD). | |
40 | // The only provided method here is CreateMaterials, | |
41 | // which defines the materials common to all PHOS versions. | |
42 | // | |
43 | //*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH) | |
d15a28e7 | 44 | ////////////////////////////////////////////////////////////////////////////// |
e84be1eb | 45 | |
fdeead01 | 46 | |
fe4da5cc | 47 | // --- ROOT system --- |
2ab0c725 | 48 | class TFile; |
88cb7938 | 49 | #include <TFolder.h> |
88cb7938 | 50 | #include <TTree.h> |
51 | #include <TVirtualMC.h> | |
046ae904 | 52 | #include <TH1F.h> |
53 | #include <TF1.h> | |
e9a5efdf | 54 | #include <TRandom.h> |
fe4da5cc | 55 | |
56 | // --- Standard library --- | |
d15a28e7 | 57 | |
548f0134 | 58 | // --- AliRoot header files --- |
94de3818 | 59 | #include "AliMagF.h" |
88cb7938 | 60 | #include "AliPHOS.h" |
e9a5efdf | 61 | #include "AliPHOSGetter.h" |
85a5290f | 62 | #include "AliRun.h" |
63 | #include "AliPHOSDigitizer.h" | |
64 | #include "AliPHOSSDigitizer.h" | |
65792ca0 | 65 | #include "AliPHOSDigit.h" |
66 | #include "AliAltroBuffer.h" | |
e4d04cf1 | 67 | #include "AliLog.h" |
c15b04ad | 68 | #include "AliCDBManager.h" |
69 | #include "AliCDBEntry.h" | |
70 | #include "AliCDBStorage.h" | |
71 | #include "AliPHOSCalibData.h" | |
7f78a025 | 72 | |
fe4da5cc | 73 | ClassImp(AliPHOS) |
e4d04cf1 | 74 | |
75 | Double_t AliPHOS::fgCapa = 1.; // 1pF | |
76 | Int_t AliPHOS::fgOrder = 2 ; | |
77 | Double_t AliPHOS::fgTimeMax = 2.56E-5 ; // each sample is over 100 ns fTimeMax/fTimeBins | |
78 | Double_t AliPHOS::fgTimePeak = 4.1E-6 ; // 4 micro seconds | |
79 | Double_t AliPHOS::fgTimeTrigger = 100E-9 ; // 100ns, just for a reference | |
e4d04cf1 | 80 | |
0ce0b56f | 81 | //____________________________________________________________________________ |
046ae904 | 82 | AliPHOS:: AliPHOS() : AliDetector() |
6b87d0dd | 83 | { |
a532e9d8 | 84 | // Default ctor |
046ae904 | 85 | fName = "PHOS" ; |
e4d04cf1 | 86 | |
6b87d0dd | 87 | } |
fa7cce36 | 88 | |
6b87d0dd | 89 | //____________________________________________________________________________ |
046ae904 | 90 | AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title) |
6b87d0dd | 91 | { |
a532e9d8 | 92 | // ctor : title is used to identify the layout |
7b60fe7e | 93 | |
94 | // Check if CDB_PATH is defined and take alignment data from CDB | |
95 | AliPHOSAlignData* alignda = 0; | |
96 | if (gSystem->Getenv("CDB_PATH")) { | |
97 | TString cdbPath = gSystem->Getenv("CDB_PATH"); | |
98 | AliCDBStorage *cdbStorage = AliCDBManager::Instance()->GetStorage(cdbPath); | |
99 | if (cdbStorage != NULL) { | |
100 | alignda = | |
101 | (AliPHOSAlignData*)(cdbStorage->Get("PHOS/Alignment/Geometry",0)->GetObject()); | |
102 | if(AliLog::GetGlobalDebugLevel()>0) alignda->Print(); | |
103 | } | |
104 | else { | |
105 | Fatal("AliPHOS", "No CDB storage at the path %s", cdbPath.Data()) ; | |
106 | } | |
107 | } | |
a532e9d8 | 108 | |
e4d04cf1 | 109 | fHighCharge = 8.2 ; // adjusted for a high gain range of 5.12 GeV (10 bits) |
110 | fHighGain = 6.64 ; | |
111 | fHighLowGainFactor = 16. ; // adjusted for a low gain range of 82 GeV (10 bits) | |
7b60fe7e | 112 | fLowGainOffset = GetGeometry(alignda)->GetNModules() + 1 ; |
e4d04cf1 | 113 | // offset added to the module id to distinguish high and low gain data |
6b87d0dd | 114 | } |
fa7cce36 | 115 | |
0ce0b56f | 116 | //____________________________________________________________________________ |
7b326aac | 117 | AliPHOS::~AliPHOS() |
118 | { | |
0ce0b56f | 119 | } |
120 | ||
780fda6d | 121 | //____________________________________________________________________________ |
ffcecca6 | 122 | void AliPHOS::Copy(TObject &obj)const |
780fda6d | 123 | { |
7b60fe7e | 124 | // copy method to be used by the cpy ctor |
ffcecca6 | 125 | TObject::Copy(obj); |
126 | ||
127 | AliPHOS &phos = static_cast<AliPHOS &>(obj); | |
128 | ||
351dd634 | 129 | phos.fHighCharge = fHighCharge ; |
130 | phos.fHighGain = fHighGain ; | |
131 | phos.fHighLowGainFactor = fHighLowGainFactor ; | |
132 | phos.fLowGainOffset = fLowGainOffset; | |
780fda6d | 133 | } |
134 | ||
487d23e3 | 135 | //____________________________________________________________________________ |
136 | AliDigitizer* AliPHOS::CreateDigitizer(AliRunDigitizer* manager) const | |
137 | { | |
138 | return new AliPHOSDigitizer(manager); | |
139 | } | |
140 | ||
d15a28e7 | 141 | //____________________________________________________________________________ |
fe4da5cc | 142 | void AliPHOS::CreateMaterials() |
143 | { | |
b2a60966 | 144 | // Definitions of materials to build PHOS and associated tracking media. |
145 | // media number in idtmed are 699 to 798. | |
fe4da5cc | 146 | |
d15a28e7 | 147 | // --- The PbWO4 crystals --- |
92862013 | 148 | Float_t aX[3] = {207.19, 183.85, 16.0} ; |
149 | Float_t zX[3] = {82.0, 74.0, 8.0} ; | |
150 | Float_t wX[3] = {1.0, 1.0, 4.0} ; | |
151 | Float_t dX = 8.28 ; | |
fe4da5cc | 152 | |
92862013 | 153 | AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ; |
fe4da5cc | 154 | |
fe4da5cc | 155 | |
d15a28e7 | 156 | // --- The polysterene scintillator (CH) --- |
92862013 | 157 | Float_t aP[2] = {12.011, 1.00794} ; |
158 | Float_t zP[2] = {6.0, 1.0} ; | |
159 | Float_t wP[2] = {1.0, 1.0} ; | |
160 | Float_t dP = 1.032 ; | |
fe4da5cc | 161 | |
92862013 | 162 | AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ; |
fe4da5cc | 163 | |
d15a28e7 | 164 | // --- Aluminium --- |
165 | AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; | |
166 | // --- Absorption length is ignored ^ | |
fe4da5cc | 167 | |
d15a28e7 | 168 | // --- Tyvek (CnH2n) --- |
92862013 | 169 | Float_t aT[2] = {12.011, 1.00794} ; |
170 | Float_t zT[2] = {6.0, 1.0} ; | |
171 | Float_t wT[2] = {1.0, 2.0} ; | |
172 | Float_t dT = 0.331 ; | |
fe4da5cc | 173 | |
92862013 | 174 | AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ; |
fe4da5cc | 175 | |
d15a28e7 | 176 | // --- Polystyrene foam --- |
92862013 | 177 | Float_t aF[2] = {12.011, 1.00794} ; |
178 | Float_t zF[2] = {6.0, 1.0} ; | |
179 | Float_t wF[2] = {1.0, 1.0} ; | |
180 | Float_t dF = 0.12 ; | |
fe4da5cc | 181 | |
92862013 | 182 | AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ; |
fe4da5cc | 183 | |
d15a28e7 | 184 | // --- Titanium --- |
92862013 | 185 | Float_t aTIT[3] = {47.88, 26.98, 54.94} ; |
186 | Float_t zTIT[3] = {22.0, 13.0, 25.0} ; | |
187 | Float_t wTIT[3] = {69.0, 6.0, 1.0} ; | |
188 | Float_t dTIT = 4.5 ; | |
fe4da5cc | 189 | |
92862013 | 190 | AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT); |
fe4da5cc | 191 | |
d15a28e7 | 192 | // --- Silicon --- |
193 | AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ; | |
fe4da5cc | 194 | |
fe4da5cc | 195 | |
fe4da5cc | 196 | |
d15a28e7 | 197 | // --- Foam thermo insulation --- |
92862013 | 198 | Float_t aTI[2] = {12.011, 1.00794} ; |
199 | Float_t zTI[2] = {6.0, 1.0} ; | |
200 | Float_t wTI[2] = {1.0, 1.0} ; | |
85218d13 | 201 | Float_t dTI = 0.04 ; |
fe4da5cc | 202 | |
92862013 | 203 | AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ; |
fe4da5cc | 204 | |
74e56d72 | 205 | // --- Textolith --- |
92862013 | 206 | Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ; |
207 | Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ; | |
208 | Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ; | |
209 | Float_t dTX = 1.75 ; | |
fe4da5cc | 210 | |
92862013 | 211 | AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ; |
fe4da5cc | 212 | |
d15a28e7 | 213 | //--- FR4 --- |
74e56d72 | 214 | Float_t aFR[4] = {16.0, 28.09, 12.011, 1.00794} ; |
215 | Float_t zFR[4] = {8.0, 14.0, 6.0, 1.0} ; | |
216 | Float_t wFR[4] = {292.0, 68.0, 462.0, 736.0} ; | |
92862013 | 217 | Float_t dFR = 1.8 ; |
fe4da5cc | 218 | |
74e56d72 | 219 | AliMixture(9, "FR4$", aFR, zFR, dFR, -4, wFR) ; |
fe4da5cc | 220 | |
d15a28e7 | 221 | // --- The Composite Material for micromegas (so far polyetylene) --- |
92862013 | 222 | Float_t aCM[2] = {12.01, 1.} ; |
223 | Float_t zCM[2] = {6., 1.} ; | |
224 | Float_t wCM[2] = {1., 2.} ; | |
225 | Float_t dCM = 0.935 ; | |
fe4da5cc | 226 | |
92862013 | 227 | AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ; |
fe4da5cc | 228 | |
d15a28e7 | 229 | // --- Copper --- |
230 | AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ; | |
231 | ||
232 | // --- G10 : Printed Circuit material --- | |
92862013 | 233 | Float_t aG10[4] = { 12., 1., 16., 28.} ; |
234 | Float_t zG10[4] = { 6., 1., 8., 14.} ; | |
235 | Float_t wG10[4] = { .259, .288, .248, .205} ; | |
236 | Float_t dG10 = 1.7 ; | |
d15a28e7 | 237 | |
92862013 | 238 | AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10); |
fe4da5cc | 239 | |
d15a28e7 | 240 | // --- Lead --- |
241 | AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; | |
fe4da5cc | 242 | |
d15a28e7 | 243 | // --- The gas mixture --- |
244 | // Co2 | |
92862013 | 245 | Float_t aCO[2] = {12.0, 16.0} ; |
246 | Float_t zCO[2] = {6.0, 8.0} ; | |
247 | Float_t wCO[2] = {1.0, 2.0} ; | |
248 | Float_t dCO = 0.001977 ; | |
fe4da5cc | 249 | |
92862013 | 250 | AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO); |
fe4da5cc | 251 | |
d15a28e7 | 252 | // Ar |
92862013 | 253 | Float_t dAr = 0.001782 ; |
254 | AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ; | |
d15a28e7 | 255 | |
a004143a | 256 | // Ar+CO2 Mixture (80% / 20%) |
257 | Float_t arContent = 0.80 ; // Ar-content of the ArCO2-mixture | |
258 | Float_t aArCO[3] = {39.948, 12.0, 16.0} ; | |
259 | Float_t zArCO[3] = {18.0 , 6.0, 8.0} ; | |
260 | Float_t wArCO[3]; | |
261 | wArCO[0] = arContent; | |
262 | wArCO[1] = (1-arContent)*1; | |
263 | wArCO[2] = (1-arContent)*2; | |
264 | Float_t dArCO = arContent*dAr + (1-arContent)*dCO ; | |
265 | AliMixture(16, "ArCO2$", aArCO, zArCO, dArCO, -3, wArCO) ; | |
fe4da5cc | 266 | |
a530ba0a | 267 | // --- Stainless steel (let it be pure iron) --- |
268 | AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ; | |
85218d13 | 269 | |
270 | ||
271 | // --- Fiberglass --- | |
272 | Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ; | |
273 | Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ; | |
274 | Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ; | |
275 | Float_t dFG = 1.9 ; | |
276 | ||
277 | AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ; | |
278 | ||
279 | // --- Cables in Air box --- | |
280 | // SERVICES | |
281 | ||
282 | Float_t aCA[4] = { 1.,12.,55.8,63.5 }; | |
283 | Float_t zCA[4] = { 1.,6.,26.,29. }; | |
284 | Float_t wCA[4] = { .014,.086,.42,.48 }; | |
285 | Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct | |
286 | ||
287 | AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ; | |
288 | ||
289 | ||
d15a28e7 | 290 | // --- Air --- |
a7262d8e | 291 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; |
292 | Float_t zAir[4]={6.,7.,8.,18.}; | |
293 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
294 | Float_t dAir = 1.20479E-3; | |
d15a28e7 | 295 | |
a7262d8e | 296 | AliMixture(99, "Air$", aAir, zAir, dAir, 4, wAir) ; |
297 | ||
d15a28e7 | 298 | // DEFINITION OF THE TRACKING MEDIA |
fe4da5cc | 299 | |
d15a28e7 | 300 | // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100] |
301 | Int_t * idtmed = fIdtmed->GetArray() - 699 ; | |
92862013 | 302 | Int_t isxfld = gAlice->Field()->Integ() ; |
303 | Float_t sxmgmx = gAlice->Field()->Max() ; | |
fe4da5cc | 304 | |
d15a28e7 | 305 | // The scintillator of the calorimeter made of PBW04 -> idtmed[699] |
306 | AliMedium(0, "PHOS Xtal $", 0, 1, | |
92862013 | 307 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 308 | |
d15a28e7 | 309 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700] |
310 | AliMedium(1, "CPV scint. $", 1, 1, | |
92862013 | 311 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 312 | |
d15a28e7 | 313 | // Various Aluminium parts made of Al -> idtmed[701] |
314 | AliMedium(2, "Al parts $", 2, 0, | |
92862013 | 315 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; |
fe4da5cc | 316 | |
d15a28e7 | 317 | // The Tywek which wraps the calorimeter crystals -> idtmed[702] |
318 | AliMedium(3, "Tyvek wrapper$", 3, 0, | |
92862013 | 319 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; |
fe4da5cc | 320 | |
d15a28e7 | 321 | // The Polystyrene foam around the calorimeter module -> idtmed[703] |
322 | AliMedium(4, "Polyst. foam $", 4, 0, | |
92862013 | 323 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 324 | |
d15a28e7 | 325 | // The Titanium around the calorimeter crystal -> idtmed[704] |
326 | AliMedium(5, "Titan. cover $", 5, 0, | |
92862013 | 327 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ; |
fe4da5cc | 328 | |
d15a28e7 | 329 | // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705] |
330 | AliMedium(6, "Si PIN $", 6, 0, | |
7b326aac | 331 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ; |
fe4da5cc | 332 | |
d15a28e7 | 333 | // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706] |
334 | AliMedium(7, "Thermo Insul.$", 7, 0, | |
92862013 | 335 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 336 | |
d15a28e7 | 337 | // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707] |
338 | AliMedium(8, "Textolit $", 8, 0, | |
92862013 | 339 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 340 | |
d15a28e7 | 341 | // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708] |
342 | AliMedium(9, "FR4 $", 9, 0, | |
92862013 | 343 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; |
fe4da5cc | 344 | |
fe4da5cc | 345 | |
d15a28e7 | 346 | // The Composite Material for micromegas -> idtmed[709] |
347 | AliMedium(10, "CompoMat $", 10, 0, | |
92862013 | 348 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 349 | |
d15a28e7 | 350 | // Copper -> idtmed[710] |
351 | AliMedium(11, "Copper $", 11, 0, | |
92862013 | 352 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; |
fe4da5cc | 353 | |
d15a28e7 | 354 | // G10: Printed Circuit material -> idtmed[711] |
355 | ||
356 | AliMedium(12, "G10 $", 12, 0, | |
92862013 | 357 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; |
fe4da5cc | 358 | |
d15a28e7 | 359 | // The Lead -> idtmed[712] |
360 | ||
361 | AliMedium(13, "Lead $", 13, 0, | |
92862013 | 362 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 363 | |
d15a28e7 | 364 | // The gas mixture: ArCo2 -> idtmed[715] |
365 | ||
366 | AliMedium(16, "ArCo2 $", 16, 1, | |
92862013 | 367 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; |
d15a28e7 | 368 | |
a530ba0a | 369 | // Stainless steel -> idtmed[716] |
370 | AliMedium(17, "Steel $", 17, 0, | |
371 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; | |
372 | ||
85218d13 | 373 | // Fibergalss -> idtmed[717] |
374 | AliMedium(18, "Fiberglass$", 18, 0, | |
375 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
376 | ||
377 | // Cables in air -> idtmed[718] | |
378 | AliMedium(19, "Cables $", 19, 0, | |
379 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
380 | ||
d15a28e7 | 381 | // Air -> idtmed[798] |
382 | AliMedium(99, "Air $", 99, 0, | |
92862013 | 383 | isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; |
fe4da5cc | 384 | |
d15a28e7 | 385 | // --- Set decent energy thresholds for gamma and electron tracking |
fe4da5cc | 386 | |
d15a28e7 | 387 | // Tracking threshold for photons and electrons in the scintillator crystal |
388 | gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ; | |
389 | gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ; | |
9f616d61 | 390 | |
d15a28e7 | 391 | // --- Generate explicitly delta rays in the titan cover --- |
392 | gMC->Gstpar(idtmed[704], "LOSS",3.) ; | |
393 | gMC->Gstpar(idtmed[704], "DRAY",1.) ; | |
d15a28e7 | 394 | // --- and in aluminium parts --- |
395 | gMC->Gstpar(idtmed[701], "LOSS",3.) ; | |
396 | gMC->Gstpar(idtmed[701], "DRAY",1.) ; | |
92862013 | 397 | // --- and in PIN diode |
398 | gMC->Gstpar(idtmed[705], "LOSS",3) ; | |
399 | gMC->Gstpar(idtmed[705], "DRAY",1) ; | |
400 | // --- and in the passive convertor | |
401 | gMC->Gstpar(idtmed[712], "LOSS",3) ; | |
402 | gMC->Gstpar(idtmed[712], "DRAY",1) ; | |
403 | // Tracking threshold for photons and electrons in the gas ArC02 | |
b7101219 | 404 | gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ; |
405 | gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ; | |
406 | gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ; | |
407 | gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ; | |
408 | gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ; | |
409 | gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ; | |
410 | gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ; | |
411 | gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ; | |
412 | gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ; | |
413 | gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ; | |
9f616d61 | 414 | gMC->Gstpar(idtmed[715], "LOSS",2.) ; |
415 | gMC->Gstpar(idtmed[715], "DRAY",0.) ; | |
416 | gMC->Gstpar(idtmed[715], "STRA",2.) ; | |
417 | ||
0c409cb2 | 418 | } |
a532e9d8 | 419 | |
65792ca0 | 420 | //____________________________________________________________________________ |
421 | void AliPHOS::Digits2Raw() | |
422 | { | |
423 | // convert digits of the current event to raw data | |
e4d04cf1 | 424 | |
425 | AliPHOSLoader * loader = dynamic_cast<AliPHOSLoader*>(fLoader) ; | |
65792ca0 | 426 | |
427 | // get the digits | |
e4d04cf1 | 428 | loader->LoadDigits(); |
429 | TClonesArray* digits = loader->Digits() ; | |
e9a5efdf | 430 | |
65792ca0 | 431 | if (!digits) { |
351dd634 | 432 | AliError(Form("No digits found !")); |
65792ca0 | 433 | return; |
434 | } | |
435 | ||
e4d04cf1 | 436 | // get the digitizer |
437 | loader->LoadDigitizer(); | |
438 | AliPHOSDigitizer * digitizer = dynamic_cast<AliPHOSDigitizer *>(loader->Digitizer()) ; | |
439 | ||
65792ca0 | 440 | // get the geometry |
e4d04cf1 | 441 | AliPHOSGeometry* geom = GetGeometry(); |
65792ca0 | 442 | if (!geom) { |
351dd634 | 443 | AliError(Form("No geometry found !")); |
65792ca0 | 444 | return; |
445 | } | |
446 | ||
447 | // some digitization constants | |
046ae904 | 448 | const Int_t kDDLOffset = 0x600; // assigned to PHOS |
e4d04cf1 | 449 | const Int_t kThreshold = 1; // skip digits below this threshold |
65792ca0 | 450 | |
451 | AliAltroBuffer* buffer = NULL; | |
452 | Int_t prevDDL = -1; | |
046ae904 | 453 | Int_t adcValuesLow[fkTimeBins]; |
454 | Int_t adcValuesHigh[fkTimeBins]; | |
65792ca0 | 455 | |
c15b04ad | 456 | AliPHOSCalibData* calib=0; |
457 | ||
458 | //retrieve calibration database | |
459 | if(AliCDBManager::Instance()->IsDefaultStorageSet()){ | |
460 | AliCDBEntry *entry = (AliCDBEntry*) AliCDBManager::Instance()->GetDefaultStorage() | |
461 | ->Get("PHOS/GainFactors_and_Pedestals/Calibration",gAlice->GetRunNumber()); | |
462 | calib = (AliPHOSCalibData*) entry->GetObject(); | |
463 | } | |
464 | ||
65792ca0 | 465 | // loop over digits (assume ordered digits) |
466 | for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) { | |
e4d04cf1 | 467 | AliPHOSDigit* digit = dynamic_cast<AliPHOSDigit *>(digits->At(iDigit)) ; |
e9a5efdf | 468 | if (digit->GetAmp() < kThreshold) |
469 | continue; | |
65792ca0 | 470 | Int_t relId[4]; |
471 | geom->AbsToRelNumbering(digit->GetId(), relId); | |
472 | Int_t module = relId[0]; | |
e9a5efdf | 473 | |
474 | // Begin FIXME | |
475 | if (relId[1] != 0) | |
476 | continue; // ignore digits from CPV | |
477 | // End FIXME | |
478 | ||
479 | // PHOS EMCA has 4 DDL per module. Splitting is done based on the row number | |
65792ca0 | 480 | Int_t iDDL = 4 * (module - 1) + (4 * (relId[2] - 1)) / geom->GetNPhi(); |
481 | ||
482 | // new DDL | |
483 | if (iDDL != prevDDL) { | |
484 | // write real header and close previous file | |
485 | if (buffer) { | |
486 | buffer->Flush(); | |
487 | buffer->WriteDataHeader(kFALSE, kFALSE); | |
488 | delete buffer; | |
489 | } | |
490 | ||
491 | // open new file and write dummy header | |
e9a5efdf | 492 | TString fileName("PHOS_") ; |
493 | fileName += (iDDL + kDDLOffset) ; | |
494 | fileName += ".ddl" ; | |
495 | buffer = new AliAltroBuffer(fileName.Data(), 1); | |
65792ca0 | 496 | buffer->WriteDataHeader(kTRUE, kFALSE); //Dummy; |
497 | ||
498 | prevDDL = iDDL; | |
499 | } | |
500 | ||
501 | // out of time range signal (?) | |
e4d04cf1 | 502 | if (digit->GetTimeR() > GetRawFormatTimeMax() ) { |
65792ca0 | 503 | buffer->FillBuffer(digit->GetAmp()); |
e4d04cf1 | 504 | buffer->FillBuffer(GetRawFormatTimeBins() ); // time bin |
505 | buffer->FillBuffer(3); // bunch length | |
65792ca0 | 506 | buffer->WriteTrailer(3, relId[3], relId[2], module); // trailer |
507 | ||
e4d04cf1 | 508 | // calculate the time response function |
65792ca0 | 509 | } else { |
c15b04ad | 510 | Double_t energy = 0 ; |
511 | Int_t module = relId[0]; | |
512 | Int_t column = relId[3]; | |
513 | Int_t row = relId[2]; | |
514 | if ( digit->GetId() <= geom->GetNModules() * geom->GetNCristalsInModule()) { | |
515 | if(calib) | |
516 | energy = digit->GetAmp()*calib->GetADCchannelEmc(module,column,row) + | |
517 | calib->GetADCpedestalEmc(module,column,row); | |
518 | else | |
519 | energy=digit->GetAmp()*digitizer->GetEMCchannel()+digitizer->GetEMCpedestal(); | |
520 | } | |
e4d04cf1 | 521 | else |
c15b04ad | 522 | energy = digit->GetAmp()*digitizer->GetCPVchannel()+digitizer->GetCPVpedestal(); |
e4d04cf1 | 523 | |
addad4c9 | 524 | Bool_t lowgain = RawSampledResponse(digit->GetTimeR(), energy, adcValuesHigh, adcValuesLow) ; |
046ae904 | 525 | |
addad4c9 | 526 | if (lowgain) |
527 | buffer->WriteChannel(relId[3], relId[2], module + fLowGainOffset, | |
e4d04cf1 | 528 | GetRawFormatTimeBins(), adcValuesLow, kThreshold); |
addad4c9 | 529 | else |
530 | buffer->WriteChannel(relId[3], relId[2], module, | |
531 | GetRawFormatTimeBins(), adcValuesHigh, kThreshold); | |
532 | ||
65792ca0 | 533 | } |
534 | } | |
046ae904 | 535 | |
65792ca0 | 536 | // write real header and close last file |
537 | if (buffer) { | |
538 | buffer->Flush(); | |
539 | buffer->WriteDataHeader(kFALSE, kFALSE); | |
540 | delete buffer; | |
541 | } | |
046ae904 | 542 | |
e4d04cf1 | 543 | loader->UnloadDigits(); |
e9a5efdf | 544 | } |
545 | ||
546 | //____________________________________________________________________________ | |
547 | void AliPHOS::Hits2SDigits() | |
548 | { | |
549 | // create summable digits | |
550 | ||
a1952ef7 | 551 | AliPHOSSDigitizer phosDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; |
552 | phosDigitizer.SetEventRange(0, -1) ; // do all the events | |
553 | phosDigitizer.ExecuteTask("all") ; | |
e9a5efdf | 554 | } |
555 | ||
556 | //____________________________________________________________________________ | |
557 | AliLoader* AliPHOS::MakeLoader(const char* topfoldername) | |
558 | { | |
559 | //different behaviour than standard (singleton getter) | |
560 | // --> to be discussed and made eventually coherent | |
561 | fLoader = new AliPHOSLoader(GetName(),topfoldername); | |
562 | return fLoader; | |
563 | } | |
564 | ||
046ae904 | 565 | //__________________________________________________________________ |
e4d04cf1 | 566 | Double_t AliPHOS::RawResponseFunction(Double_t *x, Double_t *par) |
046ae904 | 567 | { |
568 | // Shape of the electronics raw reponse: | |
e4d04cf1 | 569 | // It is a semi-gaussian, 2nd order Gamma function of the general form |
570 | // v(t) = n**n * Q * A**n / C *(t/tp)**n * exp(-n * t/tp) with | |
571 | // tp : peaking time par[0] | |
572 | // n : order of the function | |
573 | // C : integrating capacitor in the preamplifier | |
574 | // A : open loop gain of the preamplifier | |
575 | // Q : the total APD charge to be measured Q = C * energy | |
046ae904 | 576 | |
e4d04cf1 | 577 | Double_t signal ; |
578 | Double_t xx = x[0] - ( fgTimeTrigger + par[3] ) ; | |
579 | ||
580 | if (xx < 0 || xx > fgTimeMax) | |
581 | signal = 0. ; | |
582 | else { | |
583 | Double_t fac = par[0] * TMath::Power(fgOrder, fgOrder) * TMath::Power(par[1], fgOrder) / fgCapa ; | |
584 | signal = fac * par[2] * TMath::Power(xx / fgTimePeak, fgOrder) * TMath::Exp(-fgOrder * (xx / fgTimePeak)) ; | |
585 | } | |
586 | return signal ; | |
587 | } | |
588 | ||
589 | //__________________________________________________________________ | |
590 | Double_t AliPHOS::RawResponseFunctionMax(Double_t charge, Double_t gain) | |
591 | { | |
592 | return ( charge * TMath::Power(fgOrder, fgOrder) * TMath::Power(gain, fgOrder) | |
593 | / ( fgCapa * TMath::Exp(fgOrder) ) ); | |
594 | ||
046ae904 | 595 | } |
596 | ||
597 | //__________________________________________________________________ | |
eb0b1051 | 598 | Bool_t AliPHOS::RawSampledResponse(Double_t dtime, Double_t damp, Int_t * adcH, Int_t * adcL) const |
046ae904 | 599 | { |
600 | // for a start time dtime and an amplitude damp given by digit, | |
e4d04cf1 | 601 | // calculates the raw sampled response AliPHOS::RawResponseFunction |
046ae904 | 602 | |
603 | const Int_t kRawSignalOverflow = 0x3FF ; | |
e4d04cf1 | 604 | Bool_t lowGain = kFALSE ; |
605 | ||
606 | TF1 signalF("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 4); | |
607 | ||
608 | for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) { | |
609 | signalF.SetParameter(0, GetRawFormatHighCharge() ) ; | |
610 | signalF.SetParameter(1, GetRawFormatHighGain() ) ; | |
611 | signalF.SetParameter(2, damp) ; | |
612 | signalF.SetParameter(3, dtime) ; | |
613 | Double_t time = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ; | |
614 | Double_t signal = signalF.Eval(time) ; | |
615 | if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow ){ // larger than 10 bits | |
616 | signal = kRawSignalOverflow ; | |
617 | lowGain = kTRUE ; | |
618 | } | |
619 | adcH[iTime] = static_cast<Int_t>(signal + 0.5) ; | |
620 | ||
621 | signalF.SetParameter(0, GetRawFormatLowCharge() ) ; | |
622 | signalF.SetParameter(1, GetRawFormatLowGain() ) ; | |
623 | signal = signalF.Eval(time) ; | |
624 | if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow) // larger than 10 bits | |
625 | signal = kRawSignalOverflow ; | |
626 | adcL[iTime] = static_cast<Int_t>(0.5 + signal ) ; | |
627 | ||
046ae904 | 628 | } |
e4d04cf1 | 629 | return lowGain ; |
046ae904 | 630 | } |
631 | ||
e9a5efdf | 632 | //____________________________________________________________________________ |
633 | void AliPHOS::SetTreeAddress() | |
634 | { | |
635 | // Links Hits in the Tree to Hits array | |
636 | TBranch *branch; | |
637 | char branchname[20]; | |
638 | sprintf(branchname,"%s",GetName()); | |
e9a5efdf | 639 | // Branch address for hit tree |
351dd634 | 640 | TTree *treeH = TreeH(); |
e9a5efdf | 641 | if (treeH) { |
642 | branch = treeH->GetBranch(branchname); | |
643 | if (branch) | |
644 | { | |
645 | if (fHits == 0x0) fHits= new TClonesArray("AliPHOSHit",1000); | |
351dd634 | 646 | //AliInfo(Form("<%s> Setting Hits Address",GetName())); |
e9a5efdf | 647 | branch->SetAddress(&fHits); |
648 | } | |
649 | } | |
650 | } | |
651 |