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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" | |
f21fc003 | 37 | #include "AliDigitizationInput.h" |
8309c1ab | 38 | #include "AliRunLoader.h" |
c93255fe | 39 | #include "AliLoader.h" |
12434381 | 40 | #include "AliGRPObject.h" |
78d18275 | 41 | #include "AliCDBManager.h" |
48642b09 | 42 | #include "AliCDBEntry.h" |
8309c1ab | 43 | #include "AliZDCSDigit.h" |
44 | #include "AliZDCDigit.h" | |
45 | #include "AliZDCFragment.h" | |
a18a0543 | 46 | #include "AliZDCv3.h" |
8309c1ab | 47 | #include "AliZDCDigitizer.h" |
8a2624cc | 48 | |
49 | class AliCDBStorage; | |
6024ec85 | 50 | class AliZDCPedestals; |
8309c1ab | 51 | |
52 | ClassImp(AliZDCDigitizer) | |
53 | ||
54 | ||
55 | //____________________________________________________________________________ | |
a718c993 | 56 | AliZDCDigitizer::AliZDCDigitizer() : |
57 | fIsCalibration(0), | |
fd9afd60 | 58 | fIsSignalInADCGate(kFALSE), |
59 | fFracLostSignal(0.), | |
a718c993 | 60 | fPedData(0), |
2d9c70ab | 61 | fSpectators2Track(kFALSE), |
62 | fBeamEnergy(0.) | |
8309c1ab | 63 | { |
698e394d | 64 | // Default constructor |
83534754 | 65 | for(Int_t i=0; i<2; i++) fADCRes[i]=0.; |
8309c1ab | 66 | } |
67 | ||
68 | //____________________________________________________________________________ | |
f21fc003 | 69 | AliZDCDigitizer::AliZDCDigitizer(AliDigitizationInput* digInput): |
70 | AliDigitizer(digInput), | |
a718c993 | 71 | fIsCalibration(0), //By default the simulation doesn't create calib. data |
fd9afd60 | 72 | fIsSignalInADCGate(kFALSE), |
73 | fFracLostSignal(0.), | |
a718c993 | 74 | fPedData(GetPedData()), |
2d9c70ab | 75 | fSpectators2Track(kFALSE), |
76 | fBeamEnergy(0.) | |
8309c1ab | 77 | { |
78d18275 | 78 | // Get calibration data |
d27e20dd | 79 | if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n"); |
edb4e893 | 80 | for(Int_t i=0; i<5; i++){ |
698e394d | 81 | for(Int_t j=0; j<5; j++) |
82 | fPMGain[i][j] = 0.; | |
83 | } | |
8309c1ab | 84 | } |
85 | ||
86 | //____________________________________________________________________________ | |
87 | AliZDCDigitizer::~AliZDCDigitizer() | |
88 | { | |
89 | // Destructor | |
a718c993 | 90 | // Not implemented |
8309c1ab | 91 | } |
92 | ||
93 | ||
cc2abffd | 94 | //____________________________________________________________________________ |
95 | AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): | |
a718c993 | 96 | AliDigitizer(), |
97 | fIsCalibration(digitizer.fIsCalibration), | |
fd9afd60 | 98 | fIsSignalInADCGate(digitizer.fIsSignalInADCGate), |
99 | fFracLostSignal(digitizer.fFracLostSignal), | |
a718c993 | 100 | fPedData(digitizer.fPedData), |
2d9c70ab | 101 | fSpectators2Track(digitizer.fSpectators2Track), |
102 | fBeamEnergy(digitizer.fBeamEnergy) | |
cc2abffd | 103 | { |
104 | // Copy constructor | |
105 | ||
edb4e893 | 106 | for(Int_t i=0; i<5; i++){ |
cc2abffd | 107 | for(Int_t j=0; j<5; j++){ |
108 | fPMGain[i][j] = digitizer.fPMGain[i][j]; | |
109 | } | |
110 | } | |
111 | for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i]; | |
cc2abffd | 112 | |
12434381 | 113 | |
cc2abffd | 114 | } |
115 | ||
8309c1ab | 116 | //____________________________________________________________________________ |
117 | Bool_t AliZDCDigitizer::Init() | |
118 | { | |
48642b09 | 119 | // Initialize the digitizer |
12434381 | 120 | |
121 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data"); | |
83534754 | 122 | if(!entry) AliFatal("No calibration data loaded!"); |
12434381 | 123 | AliGRPObject* grpData = 0x0; |
124 | if(entry){ | |
125 | TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry | |
126 | if(m){ | |
127 | //m->Print(); | |
128 | grpData = new AliGRPObject(); | |
129 | grpData->ReadValuesFromMap(m); | |
130 | } | |
131 | else{ | |
132 | grpData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry | |
133 | } | |
134 | entry->SetOwner(0); | |
135 | AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data"); | |
136 | } | |
83534754 | 137 | if(!grpData){ |
138 | AliError("No GRP entry found in OCDB! \n "); | |
139 | return kFALSE; | |
140 | } | |
12434381 | 141 | |
142 | TString beamType = grpData->GetBeamType(); | |
143 | if(beamType==AliGRPObject::GetInvalidString()){ | |
144 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); | |
145 | } | |
146 | ||
2d9c70ab | 147 | fBeamEnergy = grpData->GetBeamEnergy(); |
148 | if(fBeamEnergy==AliGRPObject::GetInvalidFloat()){ | |
12434381 | 149 | AliWarning("GRP/GRP/Data entry: missing value for the beam energy ! Using 0."); |
150 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); | |
2d9c70ab | 151 | fBeamEnergy = 0.; |
12434381 | 152 | } |
b553507a | 153 | |
2d9c70ab | 154 | if((beamType.CompareTo("P-P")) == 0 || (beamType.CompareTo("p-p")) == 0){ |
12434381 | 155 | //PTM gains rescaled to beam energy for p-p |
a66caee1 | 156 | // New correction coefficients for PMT gains needed |
157 | // to reproduce experimental spectra (from Grazia Jul 2010) | |
2d9c70ab | 158 | if(fBeamEnergy != 0){ |
4df5e18f | 159 | for(Int_t j = 0; j < 5; j++){ |
160 | fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000; | |
161 | fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000; | |
162 | fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000; | |
163 | fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000; | |
164 | } | |
165 | fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000; | |
166 | fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000; | |
dcb6916a | 167 | // |
168 | AliInfo(Form(" PMT gains for p-p @ %1.0f+%1.0f GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", | |
169 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); | |
12434381 | 170 | } |
dcb6916a | 171 | else{ // for RELDIS simulation |
172 | Float_t scalGainFactor = 0.5; | |
a736fd93 | 173 | for(Int_t j = 0; j < 5; j++){ |
dcf187b9 | 174 | fPMGain[0][j] = 50000./scalGainFactor; // ZNC |
175 | fPMGain[1][j] = 100000./scalGainFactor; // ZPC | |
dcb6916a | 176 | fPMGain[2][j] = 100000./scalGainFactor; // ZEM |
dcf187b9 | 177 | fPMGain[3][j] = 50000./scalGainFactor; // ZNA |
178 | fPMGain[4][j] = 100000./scalGainFactor; // ZPA | |
a736fd93 | 179 | } |
dcb6916a | 180 | // |
181 | AliInfo(Form(" PMT gains for RELDIS simulation: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", | |
182 | fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); | |
a736fd93 | 183 | } |
12434381 | 184 | } |
f91d1e35 | 185 | else if((beamType.CompareTo("A-A")) == 0){ |
2d9c70ab | 186 | // PTM gains for Pb-Pb @ 2.7+2.7 A TeV *************** |
187 | // rescaled for Pb-Pb @ 1.38+1.38 A TeV *************** | |
a66caee1 | 188 | // Values corrected after 2010 Pb-Pb data taking (7/2/2011 - Ch.) |
189 | // Experimental data compared to EMD simulation for single nucleon peaks: | |
190 | // ZN gains must be divided by 4, ZP gains by 10! | |
2d9c70ab | 191 | Float_t scalGainFactor = fBeamEnergy/2760.; |
12434381 | 192 | for(Int_t j = 0; j < 5; j++){ |
dcb6916a | 193 | fPMGain[0][j] = 50000./(4*scalGainFactor); // ZNC |
194 | fPMGain[1][j] = 100000./(5*scalGainFactor); // ZPC | |
195 | fPMGain[2][j] = 100000./scalGainFactor; // ZEM | |
196 | fPMGain[3][j] = 50000./(4*scalGainFactor); // ZNA | |
197 | fPMGain[4][j] = 100000./(5*scalGainFactor); // ZPA | |
12434381 | 198 | } |
2d9c70ab | 199 | AliInfo(Form(" PMT gains for Pb-Pb @ %1.0f+%1.0f A GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", |
4df5e18f | 200 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); |
12434381 | 201 | } |
698e394d | 202 | |
203 | // ADC Caen V965 | |
7f73eb6b | 204 | fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh |
205 | fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh | |
8309c1ab | 206 | |
207 | return kTRUE; | |
208 | } | |
209 | ||
210 | //____________________________________________________________________________ | |
f21fc003 | 211 | void AliZDCDigitizer::Digitize(Option_t* /*option*/) |
8309c1ab | 212 | { |
48642b09 | 213 | // Execute digitization |
8309c1ab | 214 | |
d79f8d50 | 215 | // ------------------------------------------------------------ |
f91d1e35 | 216 | // !!! 2nd ZDC set added |
217 | // *** 1st 3 arrays are digits from REAL (simulated) hits | |
218 | // *** last 2 are copied from simulated digits | |
fd9afd60 | 219 | // --- pm[0][...] = light in ZN side C [C, Q1, Q2, Q3, Q4] |
220 | // --- pm[1][...] = light in ZP side C [C, Q1, Q2, Q3, Q4] | |
48642b09 | 221 | // --- pm[2][...] = light in ZEM [x, 1, 2, x, x] |
fd9afd60 | 222 | // --- pm[3][...] = light in ZN side A [C, Q1, Q2, Q3, Q4] ->NEW! |
223 | // --- pm[4][...] = light in ZP side A [C, Q1, Q2, Q3, Q4] ->NEW! | |
d79f8d50 | 224 | // ------------------------------------------------------------ |
225 | Float_t pm[5][5]; | |
8574b308 | 226 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
227 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
8309c1ab | 228 | pm[iSector1][iSector2] = 0; |
229 | } | |
d79f8d50 | 230 | |
231 | // ------------------------------------------------------------ | |
232 | // ### Out of time ADC added (22 channels) | |
233 | // --- same codification as for signal PTMs (see above) | |
234 | // ------------------------------------------------------------ | |
235 | Float_t pmoot[5][5]; | |
8574b308 | 236 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
237 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
d79f8d50 | 238 | pmoot[iSector1][iSector2] = 0; |
239 | } | |
8309c1ab | 240 | |
241 | // impact parameter and number of spectators | |
131b5d31 | 242 | Float_t impPar = 0; |
fd9afd60 | 243 | Int_t specNTarg = 0, specPTarg = 0; |
244 | Int_t specNProj = 0, specPProj = 0; | |
a18a0543 | 245 | Float_t signalTime0 = 0.; |
8309c1ab | 246 | |
247 | // loop over input streams | |
f21fc003 | 248 | for(Int_t iInput = 0; iInput<fDigInput->GetNinputs(); iInput++){ |
8309c1ab | 249 | |
250 | // get run loader and ZDC loader | |
251 | AliRunLoader* runLoader = | |
f21fc003 | 252 | AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(iInput)); |
8309c1ab | 253 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); |
8574b308 | 254 | if(!loader) continue; |
8309c1ab | 255 | |
256 | // load sdigits | |
257 | loader->LoadSDigits(); | |
258 | TTree* treeS = loader->TreeS(); | |
8574b308 | 259 | if(!treeS) continue; |
8309c1ab | 260 | AliZDCSDigit sdigit; |
261 | AliZDCSDigit* psdigit = &sdigit; | |
262 | treeS->SetBranchAddress("ZDC", &psdigit); | |
263 | ||
264 | // loop over sdigits | |
8574b308 | 265 | for(Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++){ |
8309c1ab | 266 | treeS->GetEntry(iSDigit); |
7f73eb6b | 267 | // |
8574b308 | 268 | if(!psdigit) continue; |
269 | if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){ | |
8309c1ab | 270 | AliError(Form("\nsector[0] = %d, sector[1] = %d\n", |
271 | sdigit.GetSector(0), sdigit.GetSector(1))); | |
272 | continue; | |
273 | } | |
fd9afd60 | 274 | // Checking if signal is inside ADC gate |
275 | if(iSDigit==0) signalTime0 = sdigit.GetTrackTime(); | |
276 | else{ | |
277 | // Assuming a signal lenght of 20 ns, signal is in gate if | |
278 | // signal ENDS in signalTime0+50. -> sdigit.GetTrackTime()+20<=signalTime0+50. | |
279 | if(sdigit.GetTrackTime()<=signalTime0+30.) fIsSignalInADCGate = kTRUE; | |
280 | if(sdigit.GetTrackTime()>signalTime0+30.){ | |
281 | fIsSignalInADCGate = kFALSE; | |
282 | // Vedi quaderno per spiegazione approx. usata | |
283 | // nel calcolo della fraz. di segnale perso | |
284 | fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.; | |
285 | } | |
286 | } | |
698e394d | 287 | |
fd9afd60 | 288 | Float_t sdSignal = sdigit.GetLightPM(); |
289 | if(fIsSignalInADCGate == kFALSE){ | |
7e858b1d | 290 | AliDebug(2,Form("\t Signal time %f -> fraction %f of ZDC signal for det.(%d, %d) out of ADC gate\n", |
0fba8107 | 291 | sdigit.GetTrackTime(),fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1))); |
fd9afd60 | 292 | sdSignal = (1-fFracLostSignal)*sdSignal; |
293 | } | |
294 | ||
48642b09 | 295 | pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM(); |
698e394d | 296 | //Ch. debug |
297 | /*printf("\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", | |
48642b09 | 298 | sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1, |
698e394d | 299 | sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); |
878fa0b3 | 300 | */ |
fd9afd60 | 301 | |
8309c1ab | 302 | } |
303 | ||
8309c1ab | 304 | loader->UnloadSDigits(); |
305 | ||
306 | // get the impact parameter and the number of spectators in case of hijing | |
8574b308 | 307 | if(!runLoader->GetAliRun()) runLoader->LoadgAlice(); |
d3b3a3b2 | 308 | AliHeader* header = runLoader->GetHeader(); |
8574b308 | 309 | if(!header) continue; |
8309c1ab | 310 | AliGenEventHeader* genHeader = header->GenEventHeader(); |
8574b308 | 311 | if(!genHeader) continue; |
312 | if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; | |
a18a0543 | 313 | |
70ecaffe | 314 | if(fSpectators2Track==kTRUE){ |
a18a0543 | 315 | impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter(); |
316 | specNProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn(); | |
317 | specPProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp(); | |
318 | specNTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsn(); | |
319 | specPTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsp(); | |
7fe9b721 | 320 | /*printf("\n\t AliZDCDigitizer: b = %1.2f fm\n" |
a18a0543 | 321 | " \t PROJ.: #spectator n %d, #spectator p %d\n" |
2413fd18 | 322 | " \t TARG.: #spectator n %d, #spectator p %d\n", |
7fe9b721 | 323 | impPar, specNProj, specPProj, specNTarg, specPTarg);*/ |
a18a0543 | 324 | } |
325 | ||
8309c1ab | 326 | } |
327 | ||
fd9afd60 | 328 | // Applying fragmentation algorithm and adding spectator signal |
70ecaffe | 329 | if(fSpectators2Track==kTRUE && impPar) { |
fd9afd60 | 330 | Int_t freeSpecNProj, freeSpecPProj; |
331 | Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj); | |
332 | Int_t freeSpecNTarg, freeSpecPTarg; | |
333 | Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg); | |
334 | SpectatorSignal(1, freeSpecNProj, pm); | |
7fe9b721 | 335 | // printf("\t AliZDCDigitizer -> Adding signal for %d PROJ free spectator n",freeSpecNProj); |
fd9afd60 | 336 | SpectatorSignal(2, freeSpecPProj, pm); |
7fe9b721 | 337 | // printf(" and %d free spectator p\n",freeSpecPProj); |
fd9afd60 | 338 | SpectatorSignal(3, freeSpecNTarg, pm); |
7fe9b721 | 339 | // printf("\t AliZDCDigitizer -> Adding signal for %d TARG free spectator n",freeSpecNTarg); |
fd9afd60 | 340 | SpectatorSignal(4, freeSpecPTarg, pm); |
7fe9b721 | 341 | // printf(" and %d free spectator p\n\n",freeSpecPTarg); |
8309c1ab | 342 | } |
343 | ||
8a2624cc | 344 | |
8309c1ab | 345 | // get the output run loader and loader |
346 | AliRunLoader* runLoader = | |
f21fc003 | 347 | AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName()); |
8309c1ab | 348 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); |
8574b308 | 349 | if(!loader) { |
8309c1ab | 350 | AliError("no ZDC loader found"); |
351 | return; | |
352 | } | |
353 | ||
354 | // create the output tree | |
355 | const char* mode = "update"; | |
8574b308 | 356 | if(runLoader->GetEventNumber() == 0) mode = "recreate"; |
8309c1ab | 357 | loader->LoadDigits(mode); |
358 | loader->MakeTree("D"); | |
359 | TTree* treeD = loader->TreeD(); | |
360 | AliZDCDigit digit; | |
361 | AliZDCDigit* pdigit = &digit; | |
362 | const Int_t kBufferSize = 4000; | |
363 | treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize); | |
364 | ||
365 | // Create digits | |
80e87581 | 366 | Int_t sector[2]; |
367 | Int_t digi[2], digioot[2]; | |
368 | for(sector[0]=1; sector[0]<6; sector[0]++){ | |
abf60186 | 369 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
370 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 371 | for(Int_t res=0; res<2; res++){ |
abf60186 | 372 | digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) |
48642b09 | 373 | + Pedestal(sector[0], sector[1], res); |
7f73eb6b | 374 | } |
abf60186 | 375 | new(pdigit) AliZDCDigit(sector, digi); |
8309c1ab | 376 | treeD->Fill(); |
698e394d | 377 | |
378 | //Ch. debug | |
379 | //printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n", | |
380 | // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! | |
381 | ||
8309c1ab | 382 | } |
83347831 | 383 | } // Loop over detector |
384 | // Adding in-time digits for 2 reference PTM signals (after signal ch.) | |
385 | // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!) | |
386 | Int_t sectorRef[2]; | |
387 | sectorRef[1] = 5; | |
9d38ced8 | 388 | Int_t sigRef[2]; |
80e87581 | 389 | // Reference signal are set to 100 (high gain chain) and 800 (low gain chain) |
9d38ced8 | 390 | if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;} |
80e87581 | 391 | else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values |
9d38ced8 | 392 | // |
83347831 | 393 | for(Int_t iref=0; iref<2; iref++){ |
394 | sectorRef[0] = 3*iref+1; | |
395 | for(Int_t res=0; res<2; res++){ | |
396 | sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); | |
397 | } | |
83347831 | 398 | new(pdigit) AliZDCDigit(sectorRef, sigRef); |
399 | treeD->Fill(); | |
698e394d | 400 | |
401 | //Ch. debug | |
402 | //printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
403 | // sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! | |
abf60186 | 404 | } |
d79f8d50 | 405 | // |
406 | // --- Adding digits for out-of-time channels after signal digits | |
80e87581 | 407 | for(sector[0]=1; sector[0]<6; sector[0]++){ |
d79f8d50 | 408 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
409 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 410 | for(Int_t res=0; res<2; res++){ |
d79f8d50 | 411 | digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs |
412 | } | |
d79f8d50 | 413 | new(pdigit) AliZDCDigit(sector, digioot); |
414 | treeD->Fill(); | |
698e394d | 415 | |
416 | //Ch. debug | |
417 | //printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
418 | // sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! | |
d79f8d50 | 419 | } |
420 | } | |
83347831 | 421 | // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.) |
422 | Int_t sigRefoot[2]; | |
423 | for(Int_t iref=0; iref<2; iref++){ | |
424 | sectorRef[0] = 3*iref+1; | |
425 | for(Int_t res=0; res<2; res++){ | |
426 | sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); | |
427 | } | |
83347831 | 428 | new(pdigit) AliZDCDigit(sectorRef, sigRefoot); |
429 | treeD->Fill(); | |
698e394d | 430 | //Ch. debug |
431 | //printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
432 | // sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! | |
433 | ||
83347831 | 434 | } |
435 | //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries()); | |
436 | ||
8309c1ab | 437 | // write the output tree |
438 | loader->WriteDigits("OVERWRITE"); | |
439 | loader->UnloadDigits(); | |
440 | } | |
441 | ||
442 | ||
443 | //_____________________________________________________________________________ | |
444 | void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, | |
445 | Int_t &freeSpecN, Int_t &freeSpecP) const | |
446 | { | |
447 | // simulate fragmentation of spectators | |
448 | ||
8309c1ab | 449 | AliZDCFragment frag(impPar); |
8309c1ab | 450 | |
451 | // Fragments generation | |
92339a90 | 452 | frag.GenerateIMF(); |
453 | Int_t nAlpha = frag.GetNalpha(); | |
8309c1ab | 454 | |
455 | // Attach neutrons | |
98711e01 | 456 | frag.AttachNeutrons(); |
92339a90 | 457 | Int_t ztot = frag.GetZtot(); |
458 | Int_t ntot = frag.GetNtot(); | |
98711e01 | 459 | |
460 | // Removing fragments and alpha pcs | |
8309c1ab | 461 | freeSpecN = specN-ntot-2*nAlpha; |
462 | freeSpecP = specP-ztot-2*nAlpha; | |
98711e01 | 463 | |
3848c666 | 464 | // Removing deuterons |
a0607c1f | 465 | Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber()); |
3848c666 | 466 | freeSpecN -= ndeu; |
98711e01 | 467 | freeSpecP -= ndeu; |
3848c666 | 468 | // |
8309c1ab | 469 | if(freeSpecN<0) freeSpecN=0; |
470 | if(freeSpecP<0) freeSpecP=0; | |
471 | AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP)); | |
472 | } | |
473 | ||
474 | //_____________________________________________________________________________ | |
475 | void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, | |
fd9afd60 | 476 | Float_t pm[5][5]) const |
8309c1ab | 477 | { |
478 | // add signal of the spectators | |
fd9afd60 | 479 | |
2d9c70ab | 480 | TFile *specSignalFile = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root"); |
481 | if(!specSignalFile || !specSignalFile->IsOpen()) { | |
482 | AliError((" Opening file $ALICE_ROOT/ZDC/SpectatorSignal.root failed\n")); | |
483 | return; | |
8309c1ab | 484 | } |
2d9c70ab | 485 | |
e7eabc21 | 486 | TNtuple* zdcSignal=0x0; |
2d9c70ab | 487 | |
488 | Float_t sqrtS = 2*fBeamEnergy; | |
489 | // | |
490 | if(TMath::Abs(sqrtS-5500) < 100.){ | |
491 | specSignalFile->cd("energy5500"); | |
492 | // | |
493 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
494 | specSignalFile->GetObject("energy5500/ZNCSignal;1",zdcSignal); | |
495 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); | |
496 | } | |
497 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
498 | specSignalFile->GetObject("energy5500/ZPCSignal;1",zdcSignal); | |
499 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); | |
500 | } | |
501 | else if(SpecType == 3) { // --- Signal for target spectator neutrons | |
502 | specSignalFile->GetObject("energy5500/ZNASignal;1",zdcSignal); | |
503 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); | |
504 | } | |
505 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
506 | specSignalFile->GetObject("energy5500/ZPASignal;1",zdcSignal); | |
507 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); | |
508 | } | |
fd9afd60 | 509 | } |
2d9c70ab | 510 | else if(TMath::Abs(sqrtS-2760) < 100.){ |
511 | specSignalFile->cd("energy2760"); | |
512 | // | |
513 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
514 | specSignalFile->GetObject("energy2760/ZNCSignal;1",zdcSignal); | |
515 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); | |
516 | } | |
517 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
518 | specSignalFile->GetObject("energy2760/ZPCSignal;1",zdcSignal); | |
519 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); | |
520 | } | |
521 | else if(SpecType == 3) { // --- Signal for target spectator neutrons | |
522 | specSignalFile->GetObject("energy2760/ZNASignal;1",zdcSignal); | |
523 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); | |
524 | } | |
525 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
526 | specSignalFile->GetObject("energy2760/ZPASignal;1",zdcSignal); | |
527 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); | |
528 | } | |
fd9afd60 | 529 | } |
530 | ||
83534754 | 531 | if(!zdcSignal){ |
532 | printf("\n No spectator signal available for ZDC digitization\n"); | |
533 | return; | |
534 | } | |
535 | ||
8309c1ab | 536 | Int_t nentries = (Int_t) zdcSignal->GetEntries(); |
537 | ||
fd9afd60 | 538 | Float_t *entry; |
539 | Int_t pl, i, k, iev=0, rnd[125], volume[2]; | |
48642b09 | 540 | for(pl=0;pl<125;pl++) rnd[pl] = 0; |
8574b308 | 541 | if(numEvents > 125) { |
fea9b334 | 542 | AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents)); |
8309c1ab | 543 | numEvents = 125; |
544 | } | |
545 | for(pl=0;pl<numEvents;pl++){ | |
546 | rnd[pl] = (Int_t) (9999*gRandom->Rndm()); | |
85a96223 | 547 | if(rnd[pl] >= 9999) rnd[pl] = 9998; |
8309c1ab | 548 | //printf(" rnd[%d] = %d\n",pl,rnd[pl]); |
549 | } | |
550 | // Sorting vector in ascending order with C function QSORT | |
551 | qsort((void*)rnd,numEvents,sizeof(Int_t),comp); | |
552 | do{ | |
553 | for(i=0; i<nentries; i++){ | |
554 | zdcSignal->GetEvent(i); | |
555 | entry = zdcSignal->GetArgs(); | |
556 | if(entry[0] == rnd[iev]){ | |
557 | for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1]; | |
48642b09 | 558 | // |
fd9afd60 | 559 | Float_t lightQ = entry[7]; |
560 | Float_t lightC = entry[8]; | |
561 | // | |
acf9550c | 562 | if(volume[0] != 3) { // ZN or ZP |
8309c1ab | 563 | pm[volume[0]-1][0] += lightC; |
564 | pm[volume[0]-1][volume[1]] += lightQ; | |
48642b09 | 565 | //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0], |
566 | // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]); | |
567 | } | |
568 | else { | |
8574b308 | 569 | if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1 |
acf9550c | 570 | else pm[2][2] += lightQ; // ZEM 2 |
48642b09 | 571 | //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]); |
572 | } | |
8309c1ab | 573 | } |
574 | else if(entry[0] > rnd[iev]){ | |
575 | iev++; | |
576 | continue; | |
577 | } | |
578 | } | |
579 | }while(iev<numEvents); | |
580 | ||
2d9c70ab | 581 | specSignalFile->Close(); |
582 | delete specSignalFile; | |
8309c1ab | 583 | } |
584 | ||
585 | ||
586 | //_____________________________________________________________________________ | |
587 | Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light, | |
588 | Int_t Res) const | |
589 | { | |
48642b09 | 590 | // Evaluation of the ADC channel corresponding to the light yield Light |
8a2624cc | 591 | Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); |
698e394d | 592 | // Ch. debug |
593 | //printf("\t Phe2ADCch -> det %d quad %d - PMGain[%d][%d] %1.0f phe %1.2f ADC %d\n", | |
594 | // Det,Quad,Det-1,Quad,fPMGain[Det-1][Quad],Light,vADCch); | |
7f73eb6b | 595 | |
8a2624cc | 596 | return vADCch; |
48642b09 | 597 | } |
8309c1ab | 598 | |
48642b09 | 599 | //_____________________________________________________________________________ |
600 | Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const | |
601 | { | |
8a2624cc | 602 | // Returns a pedestal for detector det, PM quad, channel with res. |
603 | // | |
65b16e87 | 604 | Float_t pedValue; |
abf60186 | 605 | // Normal run |
606 | if(fIsCalibration == 0){ | |
c35ed519 | 607 | Int_t index=0, kNch=24; |
83347831 | 608 | if(Quad!=5){ |
c35ed519 | 609 | if(Det==1) index = Quad+kNch*Res; // ZNC |
610 | else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC | |
611 | else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM | |
612 | else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA | |
613 | else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA | |
83347831 | 614 | } |
c35ed519 | 615 | else index = (Det-1)/3+22+kNch*Res; // Reference PMs |
83347831 | 616 | // |
c35ed519 | 617 | Float_t meanPed = fPedData->GetMeanPed(index); |
618 | Float_t pedWidth = fPedData->GetMeanPedWidth(index); | |
65b16e87 | 619 | pedValue = gRandom->Gaus(meanPed,pedWidth); |
abf60186 | 620 | // |
58e12fee | 621 | /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n", |
65b16e87 | 622 | Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging! |
abf60186 | 623 | */ |
624 | } | |
7f73eb6b | 625 | // To create calibration object |
83347831 | 626 | else{ |
65b16e87 | 627 | if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain |
628 | else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain | |
83347831 | 629 | } |
dbc8d7fc | 630 | |
65b16e87 | 631 | return (Int_t) pedValue; |
8309c1ab | 632 | } |
633 | ||
634 | //_____________________________________________________________________________ | |
78d18275 | 635 | AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri) |
8309c1ab | 636 | { |
8309c1ab | 637 | |
78d18275 | 638 | Bool_t deleteManager = kFALSE; |
48642b09 | 639 | |
78d18275 | 640 | AliCDBManager *manager = AliCDBManager::Instance(); |
641 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
48642b09 | 642 | |
78d18275 | 643 | if(!defstorage || !(defstorage->Contains("ZDC"))){ |
644 | AliWarning("No default storage set or default storage doesn't contain ZDC!"); | |
645 | manager->SetDefaultStorage(uri); | |
646 | deleteManager = kTRUE; | |
647 | } | |
648 | ||
649 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
650 | ||
651 | if(deleteManager){ | |
652 | AliCDBManager::Instance()->UnsetDefaultStorage(); | |
653 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
654 | } | |
655 | ||
656 | return storage; | |
657 | } | |
48642b09 | 658 | |
78d18275 | 659 | //_____________________________________________________________________________ |
6024ec85 | 660 | AliZDCPedestals* AliZDCDigitizer::GetPedData() const |
661 | { | |
662 | ||
663 | // Getting pedestal calibration object for ZDC set | |
664 | ||
665 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals"); | |
666 | if(!entry) AliFatal("No calibration data loaded!"); | |
667 | ||
668 | AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject()); | |
669 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
670 | ||
671 | return calibdata; | |
672 | } | |
f91d1e35 | 673 |