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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 | * $Log$ | |
27a73a5d | 19 | * Revision 1.96 2006/04/07 08:41:59 hristov |
20 | * Follow AliAlignObj framework and remove AliPHOSAlignData (Yu.Kharlov) | |
21 | * | |
85698486 | 22 | * Revision 1.95 2006/03/14 19:40:41 kharlov |
23 | * Remove De-digitizing of raw data and digitizing the raw data fit | |
24 | * | |
b482deac | 25 | * Revision 1.94 2006/03/07 18:56:25 kharlov |
26 | * CDB is passed via environment variable | |
27 | * | |
7b60fe7e | 28 | * Revision 1.93 2005/11/22 08:45:11 kharlov |
29 | * Calibration is read from CDB if any (Boris Polichtchouk) | |
30 | * | |
c15b04ad | 31 | * Revision 1.92 2005/11/03 13:09:19 hristov |
32 | * Removing meaningless const declarations (linuxicc) | |
33 | * | |
eb0b1051 | 34 | * Revision 1.91 2005/07/27 15:08:53 kharlov |
35 | * Mixture ArCO2 is corrected | |
36 | * | |
a004143a | 37 | * Revision 1.90 2005/06/17 07:39:07 hristov |
38 | * Removing GetDebug and SetDebug from AliRun and AliModule. Using AliLog for the messages | |
39 | * | |
4951e003 | 40 | * Revision 1.89 2005/05/28 12:10:07 schutz |
41 | * Copy constructor is corrected (by T.P.) | |
42 | * | |
ffcecca6 | 43 | */ |
b2a60966 | 44 | |
d15a28e7 | 45 | //_________________________________________________________________________ |
b2a60966 | 46 | // Base Class for PHOS description: |
47 | // PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged | |
48 | // particles detector (CPV or PPSD). | |
49 | // The only provided method here is CreateMaterials, | |
50 | // which defines the materials common to all PHOS versions. | |
51 | // | |
52 | //*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH) | |
d15a28e7 | 53 | ////////////////////////////////////////////////////////////////////////////// |
e84be1eb | 54 | |
fdeead01 | 55 | |
fe4da5cc | 56 | // --- ROOT system --- |
2ab0c725 | 57 | class TFile; |
88cb7938 | 58 | #include <TFolder.h> |
88cb7938 | 59 | #include <TTree.h> |
60 | #include <TVirtualMC.h> | |
046ae904 | 61 | #include <TH1F.h> |
62 | #include <TF1.h> | |
e9a5efdf | 63 | #include <TRandom.h> |
fe4da5cc | 64 | |
65 | // --- Standard library --- | |
d15a28e7 | 66 | |
548f0134 | 67 | // --- AliRoot header files --- |
94de3818 | 68 | #include "AliMagF.h" |
88cb7938 | 69 | #include "AliPHOS.h" |
e9a5efdf | 70 | #include "AliPHOSGetter.h" |
85a5290f | 71 | #include "AliRun.h" |
72 | #include "AliPHOSDigitizer.h" | |
73 | #include "AliPHOSSDigitizer.h" | |
65792ca0 | 74 | #include "AliPHOSDigit.h" |
75 | #include "AliAltroBuffer.h" | |
e4d04cf1 | 76 | #include "AliLog.h" |
c15b04ad | 77 | #include "AliCDBManager.h" |
78 | #include "AliCDBEntry.h" | |
79 | #include "AliCDBStorage.h" | |
80 | #include "AliPHOSCalibData.h" | |
7f78a025 | 81 | |
fe4da5cc | 82 | ClassImp(AliPHOS) |
e4d04cf1 | 83 | |
84 | Double_t AliPHOS::fgCapa = 1.; // 1pF | |
85 | Int_t AliPHOS::fgOrder = 2 ; | |
86 | Double_t AliPHOS::fgTimeMax = 2.56E-5 ; // each sample is over 100 ns fTimeMax/fTimeBins | |
87 | Double_t AliPHOS::fgTimePeak = 4.1E-6 ; // 4 micro seconds | |
88 | Double_t AliPHOS::fgTimeTrigger = 100E-9 ; // 100ns, just for a reference | |
e4d04cf1 | 89 | |
0ce0b56f | 90 | //____________________________________________________________________________ |
046ae904 | 91 | AliPHOS:: AliPHOS() : AliDetector() |
6b87d0dd | 92 | { |
a532e9d8 | 93 | // Default ctor |
046ae904 | 94 | fName = "PHOS" ; |
e4d04cf1 | 95 | |
6b87d0dd | 96 | } |
fa7cce36 | 97 | |
6b87d0dd | 98 | //____________________________________________________________________________ |
046ae904 | 99 | AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title) |
6b87d0dd | 100 | { |
a532e9d8 | 101 | // ctor : title is used to identify the layout |
7b60fe7e | 102 | |
e4d04cf1 | 103 | fHighCharge = 8.2 ; // adjusted for a high gain range of 5.12 GeV (10 bits) |
104 | fHighGain = 6.64 ; | |
105 | fHighLowGainFactor = 16. ; // adjusted for a low gain range of 82 GeV (10 bits) | |
85698486 | 106 | fLowGainOffset = GetGeometry()->GetNModules() + 1 ; |
e4d04cf1 | 107 | // offset added to the module id to distinguish high and low gain data |
6b87d0dd | 108 | } |
fa7cce36 | 109 | |
0ce0b56f | 110 | //____________________________________________________________________________ |
7b326aac | 111 | AliPHOS::~AliPHOS() |
112 | { | |
0ce0b56f | 113 | } |
114 | ||
780fda6d | 115 | //____________________________________________________________________________ |
ffcecca6 | 116 | void AliPHOS::Copy(TObject &obj)const |
780fda6d | 117 | { |
7b60fe7e | 118 | // copy method to be used by the cpy ctor |
ffcecca6 | 119 | TObject::Copy(obj); |
120 | ||
121 | AliPHOS &phos = static_cast<AliPHOS &>(obj); | |
122 | ||
351dd634 | 123 | phos.fHighCharge = fHighCharge ; |
124 | phos.fHighGain = fHighGain ; | |
125 | phos.fHighLowGainFactor = fHighLowGainFactor ; | |
126 | phos.fLowGainOffset = fLowGainOffset; | |
780fda6d | 127 | } |
128 | ||
487d23e3 | 129 | //____________________________________________________________________________ |
130 | AliDigitizer* AliPHOS::CreateDigitizer(AliRunDigitizer* manager) const | |
131 | { | |
132 | return new AliPHOSDigitizer(manager); | |
133 | } | |
134 | ||
d15a28e7 | 135 | //____________________________________________________________________________ |
fe4da5cc | 136 | void AliPHOS::CreateMaterials() |
137 | { | |
b2a60966 | 138 | // Definitions of materials to build PHOS and associated tracking media. |
139 | // media number in idtmed are 699 to 798. | |
fe4da5cc | 140 | |
d15a28e7 | 141 | // --- The PbWO4 crystals --- |
92862013 | 142 | Float_t aX[3] = {207.19, 183.85, 16.0} ; |
143 | Float_t zX[3] = {82.0, 74.0, 8.0} ; | |
144 | Float_t wX[3] = {1.0, 1.0, 4.0} ; | |
145 | Float_t dX = 8.28 ; | |
fe4da5cc | 146 | |
92862013 | 147 | AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ; |
fe4da5cc | 148 | |
fe4da5cc | 149 | |
d15a28e7 | 150 | // --- The polysterene scintillator (CH) --- |
92862013 | 151 | Float_t aP[2] = {12.011, 1.00794} ; |
152 | Float_t zP[2] = {6.0, 1.0} ; | |
153 | Float_t wP[2] = {1.0, 1.0} ; | |
154 | Float_t dP = 1.032 ; | |
fe4da5cc | 155 | |
92862013 | 156 | AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ; |
fe4da5cc | 157 | |
d15a28e7 | 158 | // --- Aluminium --- |
159 | AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; | |
160 | // --- Absorption length is ignored ^ | |
fe4da5cc | 161 | |
d15a28e7 | 162 | // --- Tyvek (CnH2n) --- |
92862013 | 163 | Float_t aT[2] = {12.011, 1.00794} ; |
164 | Float_t zT[2] = {6.0, 1.0} ; | |
165 | Float_t wT[2] = {1.0, 2.0} ; | |
166 | Float_t dT = 0.331 ; | |
fe4da5cc | 167 | |
92862013 | 168 | AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ; |
fe4da5cc | 169 | |
d15a28e7 | 170 | // --- Polystyrene foam --- |
92862013 | 171 | Float_t aF[2] = {12.011, 1.00794} ; |
172 | Float_t zF[2] = {6.0, 1.0} ; | |
173 | Float_t wF[2] = {1.0, 1.0} ; | |
174 | Float_t dF = 0.12 ; | |
fe4da5cc | 175 | |
92862013 | 176 | AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ; |
fe4da5cc | 177 | |
d15a28e7 | 178 | // --- Titanium --- |
92862013 | 179 | Float_t aTIT[3] = {47.88, 26.98, 54.94} ; |
180 | Float_t zTIT[3] = {22.0, 13.0, 25.0} ; | |
181 | Float_t wTIT[3] = {69.0, 6.0, 1.0} ; | |
182 | Float_t dTIT = 4.5 ; | |
fe4da5cc | 183 | |
92862013 | 184 | AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT); |
fe4da5cc | 185 | |
d15a28e7 | 186 | // --- Silicon --- |
187 | AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ; | |
fe4da5cc | 188 | |
fe4da5cc | 189 | |
fe4da5cc | 190 | |
d15a28e7 | 191 | // --- Foam thermo insulation --- |
92862013 | 192 | Float_t aTI[2] = {12.011, 1.00794} ; |
193 | Float_t zTI[2] = {6.0, 1.0} ; | |
194 | Float_t wTI[2] = {1.0, 1.0} ; | |
85218d13 | 195 | Float_t dTI = 0.04 ; |
fe4da5cc | 196 | |
92862013 | 197 | AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ; |
fe4da5cc | 198 | |
74e56d72 | 199 | // --- Textolith --- |
92862013 | 200 | Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ; |
201 | Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ; | |
202 | Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ; | |
203 | Float_t dTX = 1.75 ; | |
fe4da5cc | 204 | |
92862013 | 205 | AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ; |
fe4da5cc | 206 | |
d15a28e7 | 207 | //--- FR4 --- |
74e56d72 | 208 | Float_t aFR[4] = {16.0, 28.09, 12.011, 1.00794} ; |
209 | Float_t zFR[4] = {8.0, 14.0, 6.0, 1.0} ; | |
210 | Float_t wFR[4] = {292.0, 68.0, 462.0, 736.0} ; | |
92862013 | 211 | Float_t dFR = 1.8 ; |
fe4da5cc | 212 | |
74e56d72 | 213 | AliMixture(9, "FR4$", aFR, zFR, dFR, -4, wFR) ; |
fe4da5cc | 214 | |
d15a28e7 | 215 | // --- The Composite Material for micromegas (so far polyetylene) --- |
92862013 | 216 | Float_t aCM[2] = {12.01, 1.} ; |
217 | Float_t zCM[2] = {6., 1.} ; | |
218 | Float_t wCM[2] = {1., 2.} ; | |
219 | Float_t dCM = 0.935 ; | |
fe4da5cc | 220 | |
92862013 | 221 | AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ; |
fe4da5cc | 222 | |
d15a28e7 | 223 | // --- Copper --- |
224 | AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ; | |
225 | ||
226 | // --- G10 : Printed Circuit material --- | |
92862013 | 227 | Float_t aG10[4] = { 12., 1., 16., 28.} ; |
228 | Float_t zG10[4] = { 6., 1., 8., 14.} ; | |
229 | Float_t wG10[4] = { .259, .288, .248, .205} ; | |
230 | Float_t dG10 = 1.7 ; | |
d15a28e7 | 231 | |
92862013 | 232 | AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10); |
fe4da5cc | 233 | |
d15a28e7 | 234 | // --- Lead --- |
235 | AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; | |
fe4da5cc | 236 | |
d15a28e7 | 237 | // --- The gas mixture --- |
238 | // Co2 | |
92862013 | 239 | Float_t aCO[2] = {12.0, 16.0} ; |
240 | Float_t zCO[2] = {6.0, 8.0} ; | |
241 | Float_t wCO[2] = {1.0, 2.0} ; | |
242 | Float_t dCO = 0.001977 ; | |
fe4da5cc | 243 | |
92862013 | 244 | AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO); |
fe4da5cc | 245 | |
d15a28e7 | 246 | // Ar |
92862013 | 247 | Float_t dAr = 0.001782 ; |
248 | AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ; | |
d15a28e7 | 249 | |
a004143a | 250 | // Ar+CO2 Mixture (80% / 20%) |
251 | Float_t arContent = 0.80 ; // Ar-content of the ArCO2-mixture | |
252 | Float_t aArCO[3] = {39.948, 12.0, 16.0} ; | |
253 | Float_t zArCO[3] = {18.0 , 6.0, 8.0} ; | |
254 | Float_t wArCO[3]; | |
255 | wArCO[0] = arContent; | |
256 | wArCO[1] = (1-arContent)*1; | |
257 | wArCO[2] = (1-arContent)*2; | |
258 | Float_t dArCO = arContent*dAr + (1-arContent)*dCO ; | |
259 | AliMixture(16, "ArCO2$", aArCO, zArCO, dArCO, -3, wArCO) ; | |
fe4da5cc | 260 | |
a530ba0a | 261 | // --- Stainless steel (let it be pure iron) --- |
262 | AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ; | |
85218d13 | 263 | |
264 | ||
265 | // --- Fiberglass --- | |
266 | Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ; | |
267 | Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ; | |
268 | Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ; | |
269 | Float_t dFG = 1.9 ; | |
270 | ||
271 | AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ; | |
272 | ||
273 | // --- Cables in Air box --- | |
274 | // SERVICES | |
275 | ||
276 | Float_t aCA[4] = { 1.,12.,55.8,63.5 }; | |
277 | Float_t zCA[4] = { 1.,6.,26.,29. }; | |
278 | Float_t wCA[4] = { .014,.086,.42,.48 }; | |
279 | Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct | |
280 | ||
281 | AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ; | |
282 | ||
283 | ||
d15a28e7 | 284 | // --- Air --- |
a7262d8e | 285 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; |
286 | Float_t zAir[4]={6.,7.,8.,18.}; | |
287 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
288 | Float_t dAir = 1.20479E-3; | |
d15a28e7 | 289 | |
a7262d8e | 290 | AliMixture(99, "Air$", aAir, zAir, dAir, 4, wAir) ; |
291 | ||
d15a28e7 | 292 | // DEFINITION OF THE TRACKING MEDIA |
fe4da5cc | 293 | |
d15a28e7 | 294 | // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100] |
295 | Int_t * idtmed = fIdtmed->GetArray() - 699 ; | |
92862013 | 296 | Int_t isxfld = gAlice->Field()->Integ() ; |
297 | Float_t sxmgmx = gAlice->Field()->Max() ; | |
fe4da5cc | 298 | |
d15a28e7 | 299 | // The scintillator of the calorimeter made of PBW04 -> idtmed[699] |
300 | AliMedium(0, "PHOS Xtal $", 0, 1, | |
92862013 | 301 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 302 | |
d15a28e7 | 303 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700] |
304 | AliMedium(1, "CPV scint. $", 1, 1, | |
92862013 | 305 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 306 | |
d15a28e7 | 307 | // Various Aluminium parts made of Al -> idtmed[701] |
308 | AliMedium(2, "Al parts $", 2, 0, | |
92862013 | 309 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; |
fe4da5cc | 310 | |
d15a28e7 | 311 | // The Tywek which wraps the calorimeter crystals -> idtmed[702] |
312 | AliMedium(3, "Tyvek wrapper$", 3, 0, | |
92862013 | 313 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; |
fe4da5cc | 314 | |
d15a28e7 | 315 | // The Polystyrene foam around the calorimeter module -> idtmed[703] |
316 | AliMedium(4, "Polyst. foam $", 4, 0, | |
92862013 | 317 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 318 | |
d15a28e7 | 319 | // The Titanium around the calorimeter crystal -> idtmed[704] |
320 | AliMedium(5, "Titan. cover $", 5, 0, | |
92862013 | 321 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ; |
fe4da5cc | 322 | |
d15a28e7 | 323 | // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705] |
324 | AliMedium(6, "Si PIN $", 6, 0, | |
7b326aac | 325 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ; |
fe4da5cc | 326 | |
d15a28e7 | 327 | // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706] |
328 | AliMedium(7, "Thermo Insul.$", 7, 0, | |
92862013 | 329 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 330 | |
d15a28e7 | 331 | // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707] |
332 | AliMedium(8, "Textolit $", 8, 0, | |
92862013 | 333 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 334 | |
d15a28e7 | 335 | // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708] |
336 | AliMedium(9, "FR4 $", 9, 0, | |
92862013 | 337 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; |
fe4da5cc | 338 | |
fe4da5cc | 339 | |
d15a28e7 | 340 | // The Composite Material for micromegas -> idtmed[709] |
341 | AliMedium(10, "CompoMat $", 10, 0, | |
92862013 | 342 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 343 | |
d15a28e7 | 344 | // Copper -> idtmed[710] |
345 | AliMedium(11, "Copper $", 11, 0, | |
92862013 | 346 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; |
fe4da5cc | 347 | |
d15a28e7 | 348 | // G10: Printed Circuit material -> idtmed[711] |
349 | ||
350 | AliMedium(12, "G10 $", 12, 0, | |
92862013 | 351 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; |
fe4da5cc | 352 | |
d15a28e7 | 353 | // The Lead -> idtmed[712] |
354 | ||
355 | AliMedium(13, "Lead $", 13, 0, | |
92862013 | 356 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 357 | |
d15a28e7 | 358 | // The gas mixture: ArCo2 -> idtmed[715] |
359 | ||
360 | AliMedium(16, "ArCo2 $", 16, 1, | |
92862013 | 361 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; |
d15a28e7 | 362 | |
a530ba0a | 363 | // Stainless steel -> idtmed[716] |
364 | AliMedium(17, "Steel $", 17, 0, | |
365 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; | |
366 | ||
85218d13 | 367 | // Fibergalss -> idtmed[717] |
368 | AliMedium(18, "Fiberglass$", 18, 0, | |
369 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
370 | ||
371 | // Cables in air -> idtmed[718] | |
372 | AliMedium(19, "Cables $", 19, 0, | |
373 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
374 | ||
d15a28e7 | 375 | // Air -> idtmed[798] |
376 | AliMedium(99, "Air $", 99, 0, | |
92862013 | 377 | isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; |
fe4da5cc | 378 | |
d15a28e7 | 379 | // --- Set decent energy thresholds for gamma and electron tracking |
fe4da5cc | 380 | |
d15a28e7 | 381 | // Tracking threshold for photons and electrons in the scintillator crystal |
382 | gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ; | |
383 | gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ; | |
9f616d61 | 384 | |
d15a28e7 | 385 | // --- Generate explicitly delta rays in the titan cover --- |
386 | gMC->Gstpar(idtmed[704], "LOSS",3.) ; | |
387 | gMC->Gstpar(idtmed[704], "DRAY",1.) ; | |
d15a28e7 | 388 | // --- and in aluminium parts --- |
389 | gMC->Gstpar(idtmed[701], "LOSS",3.) ; | |
390 | gMC->Gstpar(idtmed[701], "DRAY",1.) ; | |
92862013 | 391 | // --- and in PIN diode |
392 | gMC->Gstpar(idtmed[705], "LOSS",3) ; | |
393 | gMC->Gstpar(idtmed[705], "DRAY",1) ; | |
394 | // --- and in the passive convertor | |
395 | gMC->Gstpar(idtmed[712], "LOSS",3) ; | |
396 | gMC->Gstpar(idtmed[712], "DRAY",1) ; | |
397 | // Tracking threshold for photons and electrons in the gas ArC02 | |
b7101219 | 398 | gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ; |
399 | gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ; | |
400 | gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ; | |
401 | gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ; | |
402 | gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ; | |
403 | gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ; | |
404 | gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ; | |
405 | gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ; | |
406 | gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ; | |
407 | gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ; | |
9f616d61 | 408 | gMC->Gstpar(idtmed[715], "LOSS",2.) ; |
409 | gMC->Gstpar(idtmed[715], "DRAY",0.) ; | |
410 | gMC->Gstpar(idtmed[715], "STRA",2.) ; | |
411 | ||
0c409cb2 | 412 | } |
a532e9d8 | 413 | |
65792ca0 | 414 | //____________________________________________________________________________ |
415 | void AliPHOS::Digits2Raw() | |
416 | { | |
417 | // convert digits of the current event to raw data | |
e4d04cf1 | 418 | |
419 | AliPHOSLoader * loader = dynamic_cast<AliPHOSLoader*>(fLoader) ; | |
65792ca0 | 420 | |
421 | // get the digits | |
e4d04cf1 | 422 | loader->LoadDigits(); |
423 | TClonesArray* digits = loader->Digits() ; | |
e9a5efdf | 424 | |
65792ca0 | 425 | if (!digits) { |
351dd634 | 426 | AliError(Form("No digits found !")); |
65792ca0 | 427 | return; |
428 | } | |
429 | ||
430 | // get the geometry | |
e4d04cf1 | 431 | AliPHOSGeometry* geom = GetGeometry(); |
65792ca0 | 432 | if (!geom) { |
351dd634 | 433 | AliError(Form("No geometry found !")); |
65792ca0 | 434 | return; |
435 | } | |
436 | ||
437 | // some digitization constants | |
046ae904 | 438 | const Int_t kDDLOffset = 0x600; // assigned to PHOS |
27a73a5d | 439 | // const Int_t kThreshold = 1; // skip digits below this threshold // YVK |
440 | const Float_t kThreshold = 0.001; // skip digits below 1 MeV | |
441 | const Int_t kAdcThreshold = 1; // Lower ADC threshold to write to raw data | |
65792ca0 | 442 | |
443 | AliAltroBuffer* buffer = NULL; | |
444 | Int_t prevDDL = -1; | |
046ae904 | 445 | Int_t adcValuesLow[fkTimeBins]; |
446 | Int_t adcValuesHigh[fkTimeBins]; | |
65792ca0 | 447 | |
448 | // loop over digits (assume ordered digits) | |
449 | for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) { | |
e4d04cf1 | 450 | AliPHOSDigit* digit = dynamic_cast<AliPHOSDigit *>(digits->At(iDigit)) ; |
27a73a5d | 451 | if (digit->GetEnergy() < kThreshold) |
e9a5efdf | 452 | continue; |
65792ca0 | 453 | Int_t relId[4]; |
454 | geom->AbsToRelNumbering(digit->GetId(), relId); | |
455 | Int_t module = relId[0]; | |
e9a5efdf | 456 | |
457 | // Begin FIXME | |
458 | if (relId[1] != 0) | |
459 | continue; // ignore digits from CPV | |
460 | // End FIXME | |
461 | ||
462 | // PHOS EMCA has 4 DDL per module. Splitting is done based on the row number | |
65792ca0 | 463 | Int_t iDDL = 4 * (module - 1) + (4 * (relId[2] - 1)) / geom->GetNPhi(); |
464 | ||
465 | // new DDL | |
466 | if (iDDL != prevDDL) { | |
467 | // write real header and close previous file | |
468 | if (buffer) { | |
469 | buffer->Flush(); | |
470 | buffer->WriteDataHeader(kFALSE, kFALSE); | |
471 | delete buffer; | |
472 | } | |
473 | ||
474 | // open new file and write dummy header | |
e9a5efdf | 475 | TString fileName("PHOS_") ; |
476 | fileName += (iDDL + kDDLOffset) ; | |
477 | fileName += ".ddl" ; | |
478 | buffer = new AliAltroBuffer(fileName.Data(), 1); | |
65792ca0 | 479 | buffer->WriteDataHeader(kTRUE, kFALSE); //Dummy; |
480 | ||
481 | prevDDL = iDDL; | |
482 | } | |
483 | ||
484 | // out of time range signal (?) | |
e4d04cf1 | 485 | if (digit->GetTimeR() > GetRawFormatTimeMax() ) { |
27a73a5d | 486 | buffer->FillBuffer((Int_t)digit->GetEnergy()); |
e4d04cf1 | 487 | buffer->FillBuffer(GetRawFormatTimeBins() ); // time bin |
488 | buffer->FillBuffer(3); // bunch length | |
65792ca0 | 489 | buffer->WriteTrailer(3, relId[3], relId[2], module); // trailer |
490 | ||
e4d04cf1 | 491 | // calculate the time response function |
65792ca0 | 492 | } else { |
c15b04ad | 493 | Double_t energy = 0 ; |
494 | Int_t module = relId[0]; | |
c15b04ad | 495 | if ( digit->GetId() <= geom->GetNModules() * geom->GetNCristalsInModule()) { |
27a73a5d | 496 | energy=digit->GetEnergy(); |
b482deac | 497 | } |
498 | else { | |
499 | // energy = digit->GetAmp()*digitizer->GetCPVchannel()+digitizer->GetCPVpedestal(); | |
500 | energy = 0; // CPV raw data format is now know yet | |
501 | } | |
addad4c9 | 502 | Bool_t lowgain = RawSampledResponse(digit->GetTimeR(), energy, adcValuesHigh, adcValuesLow) ; |
046ae904 | 503 | |
85698486 | 504 | if (lowgain) |
addad4c9 | 505 | buffer->WriteChannel(relId[3], relId[2], module + fLowGainOffset, |
27a73a5d | 506 | GetRawFormatTimeBins(), adcValuesLow , kAdcThreshold); |
addad4c9 | 507 | else |
508 | buffer->WriteChannel(relId[3], relId[2], module, | |
27a73a5d | 509 | GetRawFormatTimeBins(), adcValuesHigh, kAdcThreshold); |
addad4c9 | 510 | |
65792ca0 | 511 | } |
512 | } | |
046ae904 | 513 | |
65792ca0 | 514 | // write real header and close last file |
515 | if (buffer) { | |
516 | buffer->Flush(); | |
517 | buffer->WriteDataHeader(kFALSE, kFALSE); | |
518 | delete buffer; | |
519 | } | |
046ae904 | 520 | |
e4d04cf1 | 521 | loader->UnloadDigits(); |
e9a5efdf | 522 | } |
523 | ||
524 | //____________________________________________________________________________ | |
525 | void AliPHOS::Hits2SDigits() | |
526 | { | |
527 | // create summable digits | |
528 | ||
a1952ef7 | 529 | AliPHOSSDigitizer phosDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; |
530 | phosDigitizer.SetEventRange(0, -1) ; // do all the events | |
531 | phosDigitizer.ExecuteTask("all") ; | |
e9a5efdf | 532 | } |
533 | ||
534 | //____________________________________________________________________________ | |
535 | AliLoader* AliPHOS::MakeLoader(const char* topfoldername) | |
536 | { | |
537 | //different behaviour than standard (singleton getter) | |
538 | // --> to be discussed and made eventually coherent | |
539 | fLoader = new AliPHOSLoader(GetName(),topfoldername); | |
540 | return fLoader; | |
541 | } | |
542 | ||
046ae904 | 543 | //__________________________________________________________________ |
e4d04cf1 | 544 | Double_t AliPHOS::RawResponseFunction(Double_t *x, Double_t *par) |
046ae904 | 545 | { |
546 | // Shape of the electronics raw reponse: | |
e4d04cf1 | 547 | // It is a semi-gaussian, 2nd order Gamma function of the general form |
548 | // v(t) = n**n * Q * A**n / C *(t/tp)**n * exp(-n * t/tp) with | |
549 | // tp : peaking time par[0] | |
550 | // n : order of the function | |
551 | // C : integrating capacitor in the preamplifier | |
552 | // A : open loop gain of the preamplifier | |
553 | // Q : the total APD charge to be measured Q = C * energy | |
046ae904 | 554 | |
e4d04cf1 | 555 | Double_t signal ; |
556 | Double_t xx = x[0] - ( fgTimeTrigger + par[3] ) ; | |
557 | ||
558 | if (xx < 0 || xx > fgTimeMax) | |
559 | signal = 0. ; | |
560 | else { | |
561 | Double_t fac = par[0] * TMath::Power(fgOrder, fgOrder) * TMath::Power(par[1], fgOrder) / fgCapa ; | |
562 | signal = fac * par[2] * TMath::Power(xx / fgTimePeak, fgOrder) * TMath::Exp(-fgOrder * (xx / fgTimePeak)) ; | |
563 | } | |
564 | return signal ; | |
565 | } | |
566 | ||
567 | //__________________________________________________________________ | |
568 | Double_t AliPHOS::RawResponseFunctionMax(Double_t charge, Double_t gain) | |
569 | { | |
570 | return ( charge * TMath::Power(fgOrder, fgOrder) * TMath::Power(gain, fgOrder) | |
571 | / ( fgCapa * TMath::Exp(fgOrder) ) ); | |
572 | ||
046ae904 | 573 | } |
574 | ||
575 | //__________________________________________________________________ | |
eb0b1051 | 576 | Bool_t AliPHOS::RawSampledResponse(Double_t dtime, Double_t damp, Int_t * adcH, Int_t * adcL) const |
046ae904 | 577 | { |
578 | // for a start time dtime and an amplitude damp given by digit, | |
e4d04cf1 | 579 | // calculates the raw sampled response AliPHOS::RawResponseFunction |
85698486 | 580 | // Input: dtime - signal start time |
581 | // damp - signal amplitude (energy) | |
582 | // Output: adcH - array[fkTimeBins] of 10-bit samples for high-gain channel | |
583 | // adcL - array[fkTimeBins] of 10-bit samples for low-gain channel | |
046ae904 | 584 | |
585 | const Int_t kRawSignalOverflow = 0x3FF ; | |
e4d04cf1 | 586 | Bool_t lowGain = kFALSE ; |
587 | ||
588 | TF1 signalF("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 4); | |
589 | ||
590 | for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) { | |
591 | signalF.SetParameter(0, GetRawFormatHighCharge() ) ; | |
592 | signalF.SetParameter(1, GetRawFormatHighGain() ) ; | |
593 | signalF.SetParameter(2, damp) ; | |
594 | signalF.SetParameter(3, dtime) ; | |
595 | Double_t time = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ; | |
596 | Double_t signal = signalF.Eval(time) ; | |
597 | if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow ){ // larger than 10 bits | |
598 | signal = kRawSignalOverflow ; | |
599 | lowGain = kTRUE ; | |
600 | } | |
601 | adcH[iTime] = static_cast<Int_t>(signal + 0.5) ; | |
602 | ||
603 | signalF.SetParameter(0, GetRawFormatLowCharge() ) ; | |
604 | signalF.SetParameter(1, GetRawFormatLowGain() ) ; | |
605 | signal = signalF.Eval(time) ; | |
606 | if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow) // larger than 10 bits | |
607 | signal = kRawSignalOverflow ; | |
608 | adcL[iTime] = static_cast<Int_t>(0.5 + signal ) ; | |
609 | ||
046ae904 | 610 | } |
e4d04cf1 | 611 | return lowGain ; |
046ae904 | 612 | } |
613 | ||
e9a5efdf | 614 | //____________________________________________________________________________ |
615 | void AliPHOS::SetTreeAddress() | |
616 | { | |
617 | // Links Hits in the Tree to Hits array | |
618 | TBranch *branch; | |
619 | char branchname[20]; | |
620 | sprintf(branchname,"%s",GetName()); | |
e9a5efdf | 621 | // Branch address for hit tree |
351dd634 | 622 | TTree *treeH = TreeH(); |
e9a5efdf | 623 | if (treeH) { |
624 | branch = treeH->GetBranch(branchname); | |
625 | if (branch) | |
626 | { | |
627 | if (fHits == 0x0) fHits= new TClonesArray("AliPHOSHit",1000); | |
351dd634 | 628 | //AliInfo(Form("<%s> Setting Hits Address",GetName())); |
e9a5efdf | 629 | branch->SetAddress(&fHits); |
630 | } | |
631 | } | |
632 | } | |
633 |