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8309c1ab | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // ZDC digitizer class // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | #include <stdlib.h> | |
25 | ||
26 | // --- ROOT system | |
27 | #include <TTree.h> | |
28 | #include <TFile.h> | |
29 | #include <TNtuple.h> | |
30 | #include <TRandom.h> | |
31 | ||
32 | // --- AliRoot header files | |
33 | #include "AliLog.h" | |
34 | #include "AliRun.h" | |
35 | #include "AliHeader.h" | |
36 | #include "AliGenHijingEventHeader.h" | |
37 | #include "AliRunDigitizer.h" | |
38 | #include "AliRunLoader.h" | |
12434381 | 39 | #include "AliGRPObject.h" |
78d18275 | 40 | #include "AliCDBManager.h" |
48642b09 | 41 | #include "AliCDBEntry.h" |
8309c1ab | 42 | #include "AliZDCSDigit.h" |
43 | #include "AliZDCDigit.h" | |
44 | #include "AliZDCFragment.h" | |
a18a0543 | 45 | #include "AliZDCv3.h" |
8309c1ab | 46 | #include "AliZDCDigitizer.h" |
8a2624cc | 47 | |
48 | class AliCDBStorage; | |
6024ec85 | 49 | class AliZDCPedestals; |
8309c1ab | 50 | |
51 | ClassImp(AliZDCDigitizer) | |
52 | ||
53 | ||
54 | //____________________________________________________________________________ | |
a718c993 | 55 | AliZDCDigitizer::AliZDCDigitizer() : |
56 | fIsCalibration(0), | |
fd9afd60 | 57 | fIsSignalInADCGate(kFALSE), |
58 | fFracLostSignal(0.), | |
a718c993 | 59 | fPedData(0), |
2d9c70ab | 60 | fSpectators2Track(kFALSE), |
61 | fBeamEnergy(0.) | |
8309c1ab | 62 | { |
698e394d | 63 | // Default constructor |
83534754 | 64 | for(Int_t i=0; i<2; i++) fADCRes[i]=0.; |
8309c1ab | 65 | } |
66 | ||
67 | //____________________________________________________________________________ | |
68 | AliZDCDigitizer::AliZDCDigitizer(AliRunDigitizer* manager): | |
a718c993 | 69 | AliDigitizer(manager), |
70 | fIsCalibration(0), //By default the simulation doesn't create calib. data | |
fd9afd60 | 71 | fIsSignalInADCGate(kFALSE), |
72 | fFracLostSignal(0.), | |
a718c993 | 73 | fPedData(GetPedData()), |
2d9c70ab | 74 | fSpectators2Track(kFALSE), |
75 | fBeamEnergy(0.) | |
8309c1ab | 76 | { |
78d18275 | 77 | // Get calibration data |
d27e20dd | 78 | if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n"); |
edb4e893 | 79 | for(Int_t i=0; i<5; i++){ |
698e394d | 80 | for(Int_t j=0; j<5; j++) |
81 | fPMGain[i][j] = 0.; | |
82 | } | |
8309c1ab | 83 | } |
84 | ||
85 | //____________________________________________________________________________ | |
86 | AliZDCDigitizer::~AliZDCDigitizer() | |
87 | { | |
88 | // Destructor | |
a718c993 | 89 | // Not implemented |
8309c1ab | 90 | } |
91 | ||
92 | ||
cc2abffd | 93 | //____________________________________________________________________________ |
94 | AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): | |
a718c993 | 95 | AliDigitizer(), |
96 | fIsCalibration(digitizer.fIsCalibration), | |
fd9afd60 | 97 | fIsSignalInADCGate(digitizer.fIsSignalInADCGate), |
98 | fFracLostSignal(digitizer.fFracLostSignal), | |
a718c993 | 99 | fPedData(digitizer.fPedData), |
2d9c70ab | 100 | fSpectators2Track(digitizer.fSpectators2Track), |
101 | fBeamEnergy(digitizer.fBeamEnergy) | |
cc2abffd | 102 | { |
103 | // Copy constructor | |
104 | ||
edb4e893 | 105 | for(Int_t i=0; i<5; i++){ |
cc2abffd | 106 | for(Int_t j=0; j<5; j++){ |
107 | fPMGain[i][j] = digitizer.fPMGain[i][j]; | |
108 | } | |
109 | } | |
110 | for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i]; | |
cc2abffd | 111 | |
12434381 | 112 | |
cc2abffd | 113 | } |
114 | ||
8309c1ab | 115 | //____________________________________________________________________________ |
116 | Bool_t AliZDCDigitizer::Init() | |
117 | { | |
48642b09 | 118 | // Initialize the digitizer |
12434381 | 119 | |
120 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data"); | |
83534754 | 121 | if(!entry) AliFatal("No calibration data loaded!"); |
12434381 | 122 | AliGRPObject* grpData = 0x0; |
123 | if(entry){ | |
124 | TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry | |
125 | if(m){ | |
126 | //m->Print(); | |
127 | grpData = new AliGRPObject(); | |
128 | grpData->ReadValuesFromMap(m); | |
129 | } | |
130 | else{ | |
131 | grpData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry | |
132 | } | |
133 | entry->SetOwner(0); | |
134 | AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data"); | |
135 | } | |
83534754 | 136 | if(!grpData){ |
137 | AliError("No GRP entry found in OCDB! \n "); | |
138 | return kFALSE; | |
139 | } | |
12434381 | 140 | |
141 | TString beamType = grpData->GetBeamType(); | |
142 | if(beamType==AliGRPObject::GetInvalidString()){ | |
143 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); | |
144 | } | |
145 | ||
2d9c70ab | 146 | fBeamEnergy = grpData->GetBeamEnergy(); |
147 | if(fBeamEnergy==AliGRPObject::GetInvalidFloat()){ | |
12434381 | 148 | AliWarning("GRP/GRP/Data entry: missing value for the beam energy ! Using 0."); |
149 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); | |
2d9c70ab | 150 | fBeamEnergy = 0.; |
12434381 | 151 | } |
b553507a | 152 | |
2d9c70ab | 153 | if((beamType.CompareTo("P-P")) == 0 || (beamType.CompareTo("p-p")) == 0){ |
12434381 | 154 | //PTM gains rescaled to beam energy for p-p |
2d9c70ab | 155 | if(fBeamEnergy != 0){ |
4df5e18f | 156 | for(Int_t j = 0; j < 5; j++){ |
157 | fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000; | |
158 | fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000; | |
159 | fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000; | |
160 | fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000; | |
161 | } | |
162 | fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000; | |
163 | fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000; | |
164 | AliInfo(Form(" PMT gains for p-p @ %1.0f+%1.0f GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", | |
165 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); | |
12434381 | 166 | } |
167 | } | |
f91d1e35 | 168 | else if((beamType.CompareTo("A-A")) == 0){ |
2d9c70ab | 169 | // PTM gains for Pb-Pb @ 2.7+2.7 A TeV *************** |
170 | // rescaled for Pb-Pb @ 1.38+1.38 A TeV *************** | |
2413fd18 | 171 | // New correction coefficients for PMT gains needed |
172 | // to reproduce experimental spectra (from Grazia Jul 2010) | |
2d9c70ab | 173 | Float_t scalGainFactor = fBeamEnergy/2760.; |
12434381 | 174 | for(Int_t j = 0; j < 5; j++){ |
7cf15420 | 175 | fPMGain[0][j] = 50000./scalGainFactor; |
176 | fPMGain[1][j] = 100000./scalGainFactor; | |
edb4e893 | 177 | fPMGain[2][j] = 100000./scalGainFactor; |
7cf15420 | 178 | fPMGain[3][j] = 50000./scalGainFactor; |
edb4e893 | 179 | fPMGain[4][j] = 100000./scalGainFactor; |
12434381 | 180 | } |
2d9c70ab | 181 | AliInfo(Form(" PMT gains for Pb-Pb @ %1.0f+%1.0f A GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", |
4df5e18f | 182 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); |
12434381 | 183 | } |
698e394d | 184 | |
185 | // ADC Caen V965 | |
7f73eb6b | 186 | fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh |
187 | fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh | |
8309c1ab | 188 | |
189 | return kTRUE; | |
190 | } | |
191 | ||
192 | //____________________________________________________________________________ | |
193 | void AliZDCDigitizer::Exec(Option_t* /*option*/) | |
194 | { | |
48642b09 | 195 | // Execute digitization |
8309c1ab | 196 | |
d79f8d50 | 197 | // ------------------------------------------------------------ |
f91d1e35 | 198 | // !!! 2nd ZDC set added |
199 | // *** 1st 3 arrays are digits from REAL (simulated) hits | |
200 | // *** last 2 are copied from simulated digits | |
fd9afd60 | 201 | // --- pm[0][...] = light in ZN side C [C, Q1, Q2, Q3, Q4] |
202 | // --- pm[1][...] = light in ZP side C [C, Q1, Q2, Q3, Q4] | |
48642b09 | 203 | // --- pm[2][...] = light in ZEM [x, 1, 2, x, x] |
fd9afd60 | 204 | // --- pm[3][...] = light in ZN side A [C, Q1, Q2, Q3, Q4] ->NEW! |
205 | // --- pm[4][...] = light in ZP side A [C, Q1, Q2, Q3, Q4] ->NEW! | |
d79f8d50 | 206 | // ------------------------------------------------------------ |
207 | Float_t pm[5][5]; | |
8574b308 | 208 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
209 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
8309c1ab | 210 | pm[iSector1][iSector2] = 0; |
211 | } | |
d79f8d50 | 212 | |
213 | // ------------------------------------------------------------ | |
214 | // ### Out of time ADC added (22 channels) | |
215 | // --- same codification as for signal PTMs (see above) | |
216 | // ------------------------------------------------------------ | |
217 | Float_t pmoot[5][5]; | |
8574b308 | 218 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
219 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
d79f8d50 | 220 | pmoot[iSector1][iSector2] = 0; |
221 | } | |
8309c1ab | 222 | |
223 | // impact parameter and number of spectators | |
131b5d31 | 224 | Float_t impPar = 0; |
fd9afd60 | 225 | Int_t specNTarg = 0, specPTarg = 0; |
226 | Int_t specNProj = 0, specPProj = 0; | |
a18a0543 | 227 | Float_t signalTime0 = 0.; |
8309c1ab | 228 | |
229 | // loop over input streams | |
8574b308 | 230 | for(Int_t iInput = 0; iInput<fManager->GetNinputs(); iInput++){ |
8309c1ab | 231 | |
232 | // get run loader and ZDC loader | |
233 | AliRunLoader* runLoader = | |
234 | AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); | |
235 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); | |
8574b308 | 236 | if(!loader) continue; |
8309c1ab | 237 | |
238 | // load sdigits | |
239 | loader->LoadSDigits(); | |
240 | TTree* treeS = loader->TreeS(); | |
8574b308 | 241 | if(!treeS) continue; |
8309c1ab | 242 | AliZDCSDigit sdigit; |
243 | AliZDCSDigit* psdigit = &sdigit; | |
244 | treeS->SetBranchAddress("ZDC", &psdigit); | |
245 | ||
246 | // loop over sdigits | |
8574b308 | 247 | for(Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++){ |
8309c1ab | 248 | treeS->GetEntry(iSDigit); |
7f73eb6b | 249 | // |
8574b308 | 250 | if(!psdigit) continue; |
251 | if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){ | |
8309c1ab | 252 | AliError(Form("\nsector[0] = %d, sector[1] = %d\n", |
253 | sdigit.GetSector(0), sdigit.GetSector(1))); | |
254 | continue; | |
255 | } | |
fd9afd60 | 256 | // Checking if signal is inside ADC gate |
257 | if(iSDigit==0) signalTime0 = sdigit.GetTrackTime(); | |
258 | else{ | |
259 | // Assuming a signal lenght of 20 ns, signal is in gate if | |
260 | // signal ENDS in signalTime0+50. -> sdigit.GetTrackTime()+20<=signalTime0+50. | |
261 | if(sdigit.GetTrackTime()<=signalTime0+30.) fIsSignalInADCGate = kTRUE; | |
262 | if(sdigit.GetTrackTime()>signalTime0+30.){ | |
263 | fIsSignalInADCGate = kFALSE; | |
264 | // Vedi quaderno per spiegazione approx. usata | |
265 | // nel calcolo della fraz. di segnale perso | |
266 | fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.; | |
267 | } | |
268 | } | |
698e394d | 269 | |
fd9afd60 | 270 | Float_t sdSignal = sdigit.GetLightPM(); |
271 | if(fIsSignalInADCGate == kFALSE){ | |
7e858b1d | 272 | AliDebug(2,Form("\t Signal time %f -> fraction %f of ZDC signal for det.(%d, %d) out of ADC gate\n", |
0fba8107 | 273 | sdigit.GetTrackTime(),fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1))); |
fd9afd60 | 274 | sdSignal = (1-fFracLostSignal)*sdSignal; |
275 | } | |
276 | ||
48642b09 | 277 | pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM(); |
698e394d | 278 | //Ch. debug |
279 | /*printf("\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", | |
48642b09 | 280 | sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1, |
698e394d | 281 | sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); |
878fa0b3 | 282 | */ |
fd9afd60 | 283 | |
8309c1ab | 284 | } |
285 | ||
8309c1ab | 286 | loader->UnloadSDigits(); |
287 | ||
288 | // get the impact parameter and the number of spectators in case of hijing | |
8574b308 | 289 | if(!runLoader->GetAliRun()) runLoader->LoadgAlice(); |
d3b3a3b2 | 290 | AliHeader* header = runLoader->GetHeader(); |
8574b308 | 291 | if(!header) continue; |
8309c1ab | 292 | AliGenEventHeader* genHeader = header->GenEventHeader(); |
8574b308 | 293 | if(!genHeader) continue; |
294 | if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; | |
a18a0543 | 295 | |
70ecaffe | 296 | if(fSpectators2Track==kTRUE){ |
a18a0543 | 297 | impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter(); |
298 | specNProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn(); | |
299 | specPProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp(); | |
300 | specNTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsn(); | |
301 | specPTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsp(); | |
302 | printf("\n\t AliZDCDigitizer: b = %1.2f fm\n" | |
303 | " \t PROJ.: #spectator n %d, #spectator p %d\n" | |
2413fd18 | 304 | " \t TARG.: #spectator n %d, #spectator p %d\n", |
a18a0543 | 305 | impPar, specNProj, specPProj, specNTarg, specPTarg); |
306 | } | |
307 | ||
8309c1ab | 308 | } |
309 | ||
fd9afd60 | 310 | // Applying fragmentation algorithm and adding spectator signal |
70ecaffe | 311 | if(fSpectators2Track==kTRUE && impPar) { |
fd9afd60 | 312 | Int_t freeSpecNProj, freeSpecPProj; |
313 | Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj); | |
314 | Int_t freeSpecNTarg, freeSpecPTarg; | |
315 | Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg); | |
316 | SpectatorSignal(1, freeSpecNProj, pm); | |
2413fd18 | 317 | printf("\t AliZDCDigitizer -> Adding signal for %d PROJ free spectator n",freeSpecNProj); |
fd9afd60 | 318 | SpectatorSignal(2, freeSpecPProj, pm); |
2413fd18 | 319 | printf(" and %d free spectator p\n",freeSpecPProj); |
fd9afd60 | 320 | SpectatorSignal(3, freeSpecNTarg, pm); |
2413fd18 | 321 | printf("\t AliZDCDigitizer -> Adding signal for %d TARG free spectator n",freeSpecNTarg); |
fd9afd60 | 322 | SpectatorSignal(4, freeSpecPTarg, pm); |
2413fd18 | 323 | printf(" and %d free spectator p\n\n",freeSpecPTarg); |
8309c1ab | 324 | } |
325 | ||
8a2624cc | 326 | |
8309c1ab | 327 | // get the output run loader and loader |
328 | AliRunLoader* runLoader = | |
329 | AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); | |
330 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); | |
8574b308 | 331 | if(!loader) { |
8309c1ab | 332 | AliError("no ZDC loader found"); |
333 | return; | |
334 | } | |
335 | ||
336 | // create the output tree | |
337 | const char* mode = "update"; | |
8574b308 | 338 | if(runLoader->GetEventNumber() == 0) mode = "recreate"; |
8309c1ab | 339 | loader->LoadDigits(mode); |
340 | loader->MakeTree("D"); | |
341 | TTree* treeD = loader->TreeD(); | |
342 | AliZDCDigit digit; | |
343 | AliZDCDigit* pdigit = &digit; | |
344 | const Int_t kBufferSize = 4000; | |
345 | treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize); | |
346 | ||
347 | // Create digits | |
80e87581 | 348 | Int_t sector[2]; |
349 | Int_t digi[2], digioot[2]; | |
350 | for(sector[0]=1; sector[0]<6; sector[0]++){ | |
abf60186 | 351 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
352 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 353 | for(Int_t res=0; res<2; res++){ |
abf60186 | 354 | digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) |
48642b09 | 355 | + Pedestal(sector[0], sector[1], res); |
7f73eb6b | 356 | } |
abf60186 | 357 | new(pdigit) AliZDCDigit(sector, digi); |
8309c1ab | 358 | treeD->Fill(); |
698e394d | 359 | |
360 | //Ch. debug | |
361 | //printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n", | |
362 | // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! | |
363 | ||
8309c1ab | 364 | } |
83347831 | 365 | } // Loop over detector |
366 | // Adding in-time digits for 2 reference PTM signals (after signal ch.) | |
367 | // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!) | |
368 | Int_t sectorRef[2]; | |
369 | sectorRef[1] = 5; | |
9d38ced8 | 370 | Int_t sigRef[2]; |
80e87581 | 371 | // Reference signal are set to 100 (high gain chain) and 800 (low gain chain) |
9d38ced8 | 372 | if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;} |
80e87581 | 373 | else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values |
9d38ced8 | 374 | // |
83347831 | 375 | for(Int_t iref=0; iref<2; iref++){ |
376 | sectorRef[0] = 3*iref+1; | |
377 | for(Int_t res=0; res<2; res++){ | |
378 | sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); | |
379 | } | |
83347831 | 380 | new(pdigit) AliZDCDigit(sectorRef, sigRef); |
381 | treeD->Fill(); | |
698e394d | 382 | |
383 | //Ch. debug | |
384 | //printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
385 | // sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! | |
abf60186 | 386 | } |
d79f8d50 | 387 | // |
388 | // --- Adding digits for out-of-time channels after signal digits | |
80e87581 | 389 | for(sector[0]=1; sector[0]<6; sector[0]++){ |
d79f8d50 | 390 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
391 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 392 | for(Int_t res=0; res<2; res++){ |
d79f8d50 | 393 | digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs |
394 | } | |
d79f8d50 | 395 | new(pdigit) AliZDCDigit(sector, digioot); |
396 | treeD->Fill(); | |
698e394d | 397 | |
398 | //Ch. debug | |
399 | //printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
400 | // sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! | |
d79f8d50 | 401 | } |
402 | } | |
83347831 | 403 | // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.) |
404 | Int_t sigRefoot[2]; | |
405 | for(Int_t iref=0; iref<2; iref++){ | |
406 | sectorRef[0] = 3*iref+1; | |
407 | for(Int_t res=0; res<2; res++){ | |
408 | sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); | |
409 | } | |
83347831 | 410 | new(pdigit) AliZDCDigit(sectorRef, sigRefoot); |
411 | treeD->Fill(); | |
698e394d | 412 | //Ch. debug |
413 | //printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
414 | // sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! | |
415 | ||
83347831 | 416 | } |
417 | //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries()); | |
418 | ||
8309c1ab | 419 | // write the output tree |
420 | loader->WriteDigits("OVERWRITE"); | |
421 | loader->UnloadDigits(); | |
422 | } | |
423 | ||
424 | ||
425 | //_____________________________________________________________________________ | |
426 | void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, | |
427 | Int_t &freeSpecN, Int_t &freeSpecP) const | |
428 | { | |
429 | // simulate fragmentation of spectators | |
430 | ||
8309c1ab | 431 | AliZDCFragment frag(impPar); |
8309c1ab | 432 | |
433 | // Fragments generation | |
92339a90 | 434 | frag.GenerateIMF(); |
435 | Int_t nAlpha = frag.GetNalpha(); | |
8309c1ab | 436 | |
437 | // Attach neutrons | |
98711e01 | 438 | frag.AttachNeutrons(); |
92339a90 | 439 | Int_t ztot = frag.GetZtot(); |
440 | Int_t ntot = frag.GetNtot(); | |
98711e01 | 441 | |
442 | // Removing fragments and alpha pcs | |
8309c1ab | 443 | freeSpecN = specN-ntot-2*nAlpha; |
444 | freeSpecP = specP-ztot-2*nAlpha; | |
98711e01 | 445 | |
3848c666 | 446 | // Removing deuterons |
a0607c1f | 447 | Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber()); |
3848c666 | 448 | freeSpecN -= ndeu; |
98711e01 | 449 | freeSpecP -= ndeu; |
3848c666 | 450 | // |
8309c1ab | 451 | if(freeSpecN<0) freeSpecN=0; |
452 | if(freeSpecP<0) freeSpecP=0; | |
453 | AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP)); | |
454 | } | |
455 | ||
456 | //_____________________________________________________________________________ | |
457 | void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, | |
fd9afd60 | 458 | Float_t pm[5][5]) const |
8309c1ab | 459 | { |
460 | // add signal of the spectators | |
fd9afd60 | 461 | |
2d9c70ab | 462 | TFile *specSignalFile = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root"); |
463 | if(!specSignalFile || !specSignalFile->IsOpen()) { | |
464 | AliError((" Opening file $ALICE_ROOT/ZDC/SpectatorSignal.root failed\n")); | |
465 | return; | |
8309c1ab | 466 | } |
2d9c70ab | 467 | |
e7eabc21 | 468 | TNtuple* zdcSignal=0x0; |
2d9c70ab | 469 | |
470 | Float_t sqrtS = 2*fBeamEnergy; | |
471 | // | |
472 | if(TMath::Abs(sqrtS-5500) < 100.){ | |
473 | specSignalFile->cd("energy5500"); | |
474 | // | |
475 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
476 | specSignalFile->GetObject("energy5500/ZNCSignal;1",zdcSignal); | |
477 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); | |
478 | } | |
479 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
480 | specSignalFile->GetObject("energy5500/ZPCSignal;1",zdcSignal); | |
481 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); | |
482 | } | |
483 | else if(SpecType == 3) { // --- Signal for target spectator neutrons | |
484 | specSignalFile->GetObject("energy5500/ZNASignal;1",zdcSignal); | |
485 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); | |
486 | } | |
487 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
488 | specSignalFile->GetObject("energy5500/ZPASignal;1",zdcSignal); | |
489 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); | |
490 | } | |
fd9afd60 | 491 | } |
2d9c70ab | 492 | else if(TMath::Abs(sqrtS-2760) < 100.){ |
493 | specSignalFile->cd("energy2760"); | |
494 | // | |
495 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
496 | specSignalFile->GetObject("energy2760/ZNCSignal;1",zdcSignal); | |
497 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); | |
498 | } | |
499 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
500 | specSignalFile->GetObject("energy2760/ZPCSignal;1",zdcSignal); | |
501 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); | |
502 | } | |
503 | else if(SpecType == 3) { // --- Signal for target spectator neutrons | |
504 | specSignalFile->GetObject("energy2760/ZNASignal;1",zdcSignal); | |
505 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); | |
506 | } | |
507 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
508 | specSignalFile->GetObject("energy2760/ZPASignal;1",zdcSignal); | |
509 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); | |
510 | } | |
fd9afd60 | 511 | } |
512 | ||
83534754 | 513 | if(!zdcSignal){ |
514 | printf("\n No spectator signal available for ZDC digitization\n"); | |
515 | return; | |
516 | } | |
517 | ||
8309c1ab | 518 | Int_t nentries = (Int_t) zdcSignal->GetEntries(); |
519 | ||
fd9afd60 | 520 | Float_t *entry; |
521 | Int_t pl, i, k, iev=0, rnd[125], volume[2]; | |
48642b09 | 522 | for(pl=0;pl<125;pl++) rnd[pl] = 0; |
8574b308 | 523 | if(numEvents > 125) { |
fea9b334 | 524 | AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents)); |
8309c1ab | 525 | numEvents = 125; |
526 | } | |
527 | for(pl=0;pl<numEvents;pl++){ | |
528 | rnd[pl] = (Int_t) (9999*gRandom->Rndm()); | |
85a96223 | 529 | if(rnd[pl] >= 9999) rnd[pl] = 9998; |
8309c1ab | 530 | //printf(" rnd[%d] = %d\n",pl,rnd[pl]); |
531 | } | |
532 | // Sorting vector in ascending order with C function QSORT | |
533 | qsort((void*)rnd,numEvents,sizeof(Int_t),comp); | |
534 | do{ | |
535 | for(i=0; i<nentries; i++){ | |
536 | zdcSignal->GetEvent(i); | |
537 | entry = zdcSignal->GetArgs(); | |
538 | if(entry[0] == rnd[iev]){ | |
539 | for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1]; | |
48642b09 | 540 | // |
fd9afd60 | 541 | Float_t lightQ = entry[7]; |
542 | Float_t lightC = entry[8]; | |
543 | // | |
acf9550c | 544 | if(volume[0] != 3) { // ZN or ZP |
8309c1ab | 545 | pm[volume[0]-1][0] += lightC; |
546 | pm[volume[0]-1][volume[1]] += lightQ; | |
48642b09 | 547 | //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0], |
548 | // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]); | |
549 | } | |
550 | else { | |
8574b308 | 551 | if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1 |
acf9550c | 552 | else pm[2][2] += lightQ; // ZEM 2 |
48642b09 | 553 | //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]); |
554 | } | |
8309c1ab | 555 | } |
556 | else if(entry[0] > rnd[iev]){ | |
557 | iev++; | |
558 | continue; | |
559 | } | |
560 | } | |
561 | }while(iev<numEvents); | |
562 | ||
2d9c70ab | 563 | specSignalFile->Close(); |
564 | delete specSignalFile; | |
8309c1ab | 565 | } |
566 | ||
567 | ||
568 | //_____________________________________________________________________________ | |
569 | Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light, | |
570 | Int_t Res) const | |
571 | { | |
48642b09 | 572 | // Evaluation of the ADC channel corresponding to the light yield Light |
8a2624cc | 573 | Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); |
698e394d | 574 | // Ch. debug |
575 | //printf("\t Phe2ADCch -> det %d quad %d - PMGain[%d][%d] %1.0f phe %1.2f ADC %d\n", | |
576 | // Det,Quad,Det-1,Quad,fPMGain[Det-1][Quad],Light,vADCch); | |
7f73eb6b | 577 | |
8a2624cc | 578 | return vADCch; |
48642b09 | 579 | } |
8309c1ab | 580 | |
48642b09 | 581 | //_____________________________________________________________________________ |
582 | Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const | |
583 | { | |
8a2624cc | 584 | // Returns a pedestal for detector det, PM quad, channel with res. |
585 | // | |
65b16e87 | 586 | Float_t pedValue; |
abf60186 | 587 | // Normal run |
588 | if(fIsCalibration == 0){ | |
c35ed519 | 589 | Int_t index=0, kNch=24; |
83347831 | 590 | if(Quad!=5){ |
c35ed519 | 591 | if(Det==1) index = Quad+kNch*Res; // ZNC |
592 | else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC | |
593 | else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM | |
594 | else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA | |
595 | else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA | |
83347831 | 596 | } |
c35ed519 | 597 | else index = (Det-1)/3+22+kNch*Res; // Reference PMs |
83347831 | 598 | // |
c35ed519 | 599 | Float_t meanPed = fPedData->GetMeanPed(index); |
600 | Float_t pedWidth = fPedData->GetMeanPedWidth(index); | |
65b16e87 | 601 | pedValue = gRandom->Gaus(meanPed,pedWidth); |
abf60186 | 602 | // |
58e12fee | 603 | /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n", |
65b16e87 | 604 | Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging! |
abf60186 | 605 | */ |
606 | } | |
7f73eb6b | 607 | // To create calibration object |
83347831 | 608 | else{ |
65b16e87 | 609 | if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain |
610 | else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain | |
83347831 | 611 | } |
dbc8d7fc | 612 | |
65b16e87 | 613 | return (Int_t) pedValue; |
8309c1ab | 614 | } |
615 | ||
616 | //_____________________________________________________________________________ | |
78d18275 | 617 | AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri) |
8309c1ab | 618 | { |
8309c1ab | 619 | |
78d18275 | 620 | Bool_t deleteManager = kFALSE; |
48642b09 | 621 | |
78d18275 | 622 | AliCDBManager *manager = AliCDBManager::Instance(); |
623 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
48642b09 | 624 | |
78d18275 | 625 | if(!defstorage || !(defstorage->Contains("ZDC"))){ |
626 | AliWarning("No default storage set or default storage doesn't contain ZDC!"); | |
627 | manager->SetDefaultStorage(uri); | |
628 | deleteManager = kTRUE; | |
629 | } | |
630 | ||
631 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
632 | ||
633 | if(deleteManager){ | |
634 | AliCDBManager::Instance()->UnsetDefaultStorage(); | |
635 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
636 | } | |
637 | ||
638 | return storage; | |
639 | } | |
48642b09 | 640 | |
78d18275 | 641 | //_____________________________________________________________________________ |
6024ec85 | 642 | AliZDCPedestals* AliZDCDigitizer::GetPedData() const |
643 | { | |
644 | ||
645 | // Getting pedestal calibration object for ZDC set | |
646 | ||
647 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals"); | |
648 | if(!entry) AliFatal("No calibration data loaded!"); | |
649 | ||
650 | AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject()); | |
651 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
652 | ||
653 | return calibdata; | |
654 | } | |
f91d1e35 | 655 |