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