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