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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), |
f2e2aa97 | 62 | fBeamEnergy(0.), |
63 | fIspASystem(kFALSE) | |
8309c1ab | 64 | { |
698e394d | 65 | // Default constructor |
83534754 | 66 | for(Int_t i=0; i<2; i++) fADCRes[i]=0.; |
8309c1ab | 67 | } |
68 | ||
69 | //____________________________________________________________________________ | |
f21fc003 | 70 | AliZDCDigitizer::AliZDCDigitizer(AliDigitizationInput* digInput): |
71 | AliDigitizer(digInput), | |
a718c993 | 72 | fIsCalibration(0), //By default the simulation doesn't create calib. data |
fd9afd60 | 73 | fIsSignalInADCGate(kFALSE), |
74 | fFracLostSignal(0.), | |
a718c993 | 75 | fPedData(GetPedData()), |
2d9c70ab | 76 | fSpectators2Track(kFALSE), |
f2e2aa97 | 77 | fBeamEnergy(0.), |
78 | fIspASystem(kFALSE) | |
8309c1ab | 79 | { |
78d18275 | 80 | // Get calibration data |
d27e20dd | 81 | if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n"); |
edb4e893 | 82 | for(Int_t i=0; i<5; i++){ |
698e394d | 83 | for(Int_t j=0; j<5; j++) |
84 | fPMGain[i][j] = 0.; | |
85 | } | |
8309c1ab | 86 | } |
87 | ||
88 | //____________________________________________________________________________ | |
89 | AliZDCDigitizer::~AliZDCDigitizer() | |
90 | { | |
91 | // Destructor | |
a718c993 | 92 | // Not implemented |
8309c1ab | 93 | } |
94 | ||
95 | ||
cc2abffd | 96 | //____________________________________________________________________________ |
97 | AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): | |
a718c993 | 98 | AliDigitizer(), |
99 | fIsCalibration(digitizer.fIsCalibration), | |
fd9afd60 | 100 | fIsSignalInADCGate(digitizer.fIsSignalInADCGate), |
101 | fFracLostSignal(digitizer.fFracLostSignal), | |
a718c993 | 102 | fPedData(digitizer.fPedData), |
2d9c70ab | 103 | fSpectators2Track(digitizer.fSpectators2Track), |
f2e2aa97 | 104 | fBeamEnergy(digitizer.fBeamEnergy), |
105 | fIspASystem(digitizer.fIspASystem) | |
cc2abffd | 106 | { |
107 | // Copy constructor | |
108 | ||
edb4e893 | 109 | for(Int_t i=0; i<5; i++){ |
cc2abffd | 110 | for(Int_t j=0; j<5; j++){ |
111 | fPMGain[i][j] = digitizer.fPMGain[i][j]; | |
112 | } | |
113 | } | |
114 | for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i]; | |
cc2abffd | 115 | |
12434381 | 116 | |
cc2abffd | 117 | } |
118 | ||
8309c1ab | 119 | //____________________________________________________________________________ |
120 | Bool_t AliZDCDigitizer::Init() | |
121 | { | |
48642b09 | 122 | // Initialize the digitizer |
12434381 | 123 | |
124 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data"); | |
83534754 | 125 | if(!entry) AliFatal("No calibration data loaded!"); |
12434381 | 126 | AliGRPObject* grpData = 0x0; |
127 | if(entry){ | |
128 | TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry | |
129 | if(m){ | |
130 | //m->Print(); | |
131 | grpData = new AliGRPObject(); | |
132 | grpData->ReadValuesFromMap(m); | |
133 | } | |
134 | else{ | |
135 | grpData = dynamic_cast<AliGRPObject*>(entry->GetObject()); // new GRP entry | |
136 | } | |
137 | entry->SetOwner(0); | |
138 | AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data"); | |
139 | } | |
83534754 | 140 | if(!grpData){ |
141 | AliError("No GRP entry found in OCDB! \n "); | |
142 | return kFALSE; | |
143 | } | |
12434381 | 144 | |
145 | TString beamType = grpData->GetBeamType(); | |
146 | if(beamType==AliGRPObject::GetInvalidString()){ | |
147 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); | |
148 | } | |
149 | ||
2d9c70ab | 150 | fBeamEnergy = grpData->GetBeamEnergy(); |
f2e2aa97 | 151 | printf(" beam energy = %f GeV\n", fBeamEnergy); |
2d9c70ab | 152 | if(fBeamEnergy==AliGRPObject::GetInvalidFloat()){ |
12434381 | 153 | AliWarning("GRP/GRP/Data entry: missing value for the beam energy ! Using 0."); |
154 | AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); | |
2d9c70ab | 155 | fBeamEnergy = 0.; |
12434381 | 156 | } |
b553507a | 157 | |
96221dca | 158 | if((beamType.CompareTo("P-P")) == 0 || (beamType.CompareTo("p-p")) == 0 && !fIspASystem){ |
f2e2aa97 | 159 | // PTM gains rescaled to beam energy for p-p |
a66caee1 | 160 | // New correction coefficients for PMT gains needed |
161 | // to reproduce experimental spectra (from Grazia Jul 2010) | |
2d9c70ab | 162 | if(fBeamEnergy != 0){ |
4df5e18f | 163 | for(Int_t j = 0; j < 5; j++){ |
164 | fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000; | |
165 | fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000; | |
166 | fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000; | |
167 | fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000; | |
168 | } | |
169 | fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000; | |
170 | fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000; | |
dcb6916a | 171 | // |
172 | AliInfo(Form(" PMT gains for p-p @ %1.0f+%1.0f GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", | |
173 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); | |
12434381 | 174 | } |
f2e2aa97 | 175 | else{ // for RELDIS simulation @ sqrt(s_{NN}) = 2.76 TeV |
dcb6916a | 176 | Float_t scalGainFactor = 0.5; |
a736fd93 | 177 | for(Int_t j = 0; j < 5; j++){ |
dcf187b9 | 178 | fPMGain[0][j] = 50000./scalGainFactor; // ZNC |
179 | fPMGain[1][j] = 100000./scalGainFactor; // ZPC | |
f2e2aa97 | 180 | fPMGain[2][j] = 100000./scalGainFactor; // ZEM |
dcf187b9 | 181 | fPMGain[3][j] = 50000./scalGainFactor; // ZNA |
182 | fPMGain[4][j] = 100000./scalGainFactor; // ZPA | |
a736fd93 | 183 | } |
dcb6916a | 184 | // |
185 | AliInfo(Form(" PMT gains for RELDIS simulation: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", | |
186 | fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); | |
a736fd93 | 187 | } |
12434381 | 188 | } |
96221dca | 189 | else if((beamType.CompareTo("A-A")) == 0 && !fIspASystem){ |
2d9c70ab | 190 | // PTM gains for Pb-Pb @ 2.7+2.7 A TeV *************** |
191 | // rescaled for Pb-Pb @ 1.38+1.38 A TeV *************** | |
a66caee1 | 192 | // Values corrected after 2010 Pb-Pb data taking (7/2/2011 - Ch.) |
193 | // Experimental data compared to EMD simulation for single nucleon peaks: | |
194 | // ZN gains must be divided by 4, ZP gains by 10! | |
2d9c70ab | 195 | Float_t scalGainFactor = fBeamEnergy/2760.; |
12434381 | 196 | for(Int_t j = 0; j < 5; j++){ |
dcb6916a | 197 | fPMGain[0][j] = 50000./(4*scalGainFactor); // ZNC |
198 | fPMGain[1][j] = 100000./(5*scalGainFactor); // ZPC | |
199 | fPMGain[2][j] = 100000./scalGainFactor; // ZEM | |
200 | fPMGain[3][j] = 50000./(4*scalGainFactor); // ZNA | |
201 | fPMGain[4][j] = 100000./(5*scalGainFactor); // ZPA | |
12434381 | 202 | } |
2d9c70ab | 203 | AliInfo(Form(" PMT gains for Pb-Pb @ %1.0f+%1.0f A GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", |
4df5e18f | 204 | fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); |
12434381 | 205 | } |
f2e2aa97 | 206 | |
207 | if(fIspASystem){ | |
96221dca | 208 | // PTM gains for Pb-Pb @ 1.38+1.38 A TeV on side A |
209 | // PTM gains rescaled to beam energy for p-p on side C | |
210 | // WARNING! Energies are set by hand for 2011 pA RUN!!! | |
211 | Float_t scalGainFactor = 0.5; | |
f2e2aa97 | 212 | Float_t fpBeamEnergy = 3500.; |
213 | ||
214 | for(Int_t j = 0; j < 5; j++){ | |
96221dca | 215 | fPMGain[0][j] = 1.350938*(661.444/fpBeamEnergy+0.000740671)*10000000; //ZNC (p) |
216 | fPMGain[1][j] = 0.678597*(864.350/fpBeamEnergy+0.00234375)*10000000; //ZPC (p) | |
217 | fPMGain[2][j] = 100000./scalGainFactor; // ZEM (Pb) | |
218 | fPMGain[3][j] = 50000./(4*scalGainFactor); // ZNA (Pb) | |
219 | fPMGain[4][j] = 100000./(5*scalGainFactor); // ZPA (Pb) | |
f2e2aa97 | 220 | } |
f2e2aa97 | 221 | AliInfo(Form(" PMT gains for p-Pb: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", |
222 | fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0])); | |
223 | } | |
698e394d | 224 | |
225 | // ADC Caen V965 | |
7f73eb6b | 226 | fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh |
227 | fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh | |
8309c1ab | 228 | |
229 | return kTRUE; | |
230 | } | |
231 | ||
232 | //____________________________________________________________________________ | |
f21fc003 | 233 | void AliZDCDigitizer::Digitize(Option_t* /*option*/) |
8309c1ab | 234 | { |
48642b09 | 235 | // Execute digitization |
8309c1ab | 236 | |
d79f8d50 | 237 | // ------------------------------------------------------------ |
f91d1e35 | 238 | // !!! 2nd ZDC set added |
239 | // *** 1st 3 arrays are digits from REAL (simulated) hits | |
240 | // *** last 2 are copied from simulated digits | |
fd9afd60 | 241 | // --- pm[0][...] = light in ZN side C [C, Q1, Q2, Q3, Q4] |
242 | // --- pm[1][...] = light in ZP side C [C, Q1, Q2, Q3, Q4] | |
48642b09 | 243 | // --- pm[2][...] = light in ZEM [x, 1, 2, x, x] |
fd9afd60 | 244 | // --- pm[3][...] = light in ZN side A [C, Q1, Q2, Q3, Q4] ->NEW! |
245 | // --- pm[4][...] = light in ZP side A [C, Q1, Q2, Q3, Q4] ->NEW! | |
d79f8d50 | 246 | // ------------------------------------------------------------ |
247 | Float_t pm[5][5]; | |
8574b308 | 248 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
249 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
8309c1ab | 250 | pm[iSector1][iSector2] = 0; |
251 | } | |
d79f8d50 | 252 | |
253 | // ------------------------------------------------------------ | |
254 | // ### Out of time ADC added (22 channels) | |
255 | // --- same codification as for signal PTMs (see above) | |
256 | // ------------------------------------------------------------ | |
257 | Float_t pmoot[5][5]; | |
8574b308 | 258 | for(Int_t iSector1=0; iSector1<5; iSector1++) |
259 | for(Int_t iSector2=0; iSector2<5; iSector2++){ | |
d79f8d50 | 260 | pmoot[iSector1][iSector2] = 0; |
261 | } | |
8309c1ab | 262 | |
263 | // impact parameter and number of spectators | |
131b5d31 | 264 | Float_t impPar = 0; |
fd9afd60 | 265 | Int_t specNTarg = 0, specPTarg = 0; |
266 | Int_t specNProj = 0, specPProj = 0; | |
a18a0543 | 267 | Float_t signalTime0 = 0.; |
8309c1ab | 268 | |
269 | // loop over input streams | |
f21fc003 | 270 | for(Int_t iInput = 0; iInput<fDigInput->GetNinputs(); iInput++){ |
8309c1ab | 271 | |
272 | // get run loader and ZDC loader | |
273 | AliRunLoader* runLoader = | |
f21fc003 | 274 | AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(iInput)); |
8309c1ab | 275 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); |
8574b308 | 276 | if(!loader) continue; |
8309c1ab | 277 | |
278 | // load sdigits | |
279 | loader->LoadSDigits(); | |
280 | TTree* treeS = loader->TreeS(); | |
8574b308 | 281 | if(!treeS) continue; |
8309c1ab | 282 | AliZDCSDigit sdigit; |
283 | AliZDCSDigit* psdigit = &sdigit; | |
284 | treeS->SetBranchAddress("ZDC", &psdigit); | |
285 | ||
286 | // loop over sdigits | |
8574b308 | 287 | for(Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++){ |
8309c1ab | 288 | treeS->GetEntry(iSDigit); |
7f73eb6b | 289 | // |
8574b308 | 290 | if(!psdigit) continue; |
291 | if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){ | |
8309c1ab | 292 | AliError(Form("\nsector[0] = %d, sector[1] = %d\n", |
293 | sdigit.GetSector(0), sdigit.GetSector(1))); | |
294 | continue; | |
295 | } | |
fd9afd60 | 296 | // Checking if signal is inside ADC gate |
297 | if(iSDigit==0) signalTime0 = sdigit.GetTrackTime(); | |
298 | else{ | |
299 | // Assuming a signal lenght of 20 ns, signal is in gate if | |
300 | // signal ENDS in signalTime0+50. -> sdigit.GetTrackTime()+20<=signalTime0+50. | |
301 | if(sdigit.GetTrackTime()<=signalTime0+30.) fIsSignalInADCGate = kTRUE; | |
302 | if(sdigit.GetTrackTime()>signalTime0+30.){ | |
303 | fIsSignalInADCGate = kFALSE; | |
304 | // Vedi quaderno per spiegazione approx. usata | |
305 | // nel calcolo della fraz. di segnale perso | |
306 | fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.; | |
307 | } | |
308 | } | |
698e394d | 309 | |
fd9afd60 | 310 | Float_t sdSignal = sdigit.GetLightPM(); |
311 | if(fIsSignalInADCGate == kFALSE){ | |
7e858b1d | 312 | AliDebug(2,Form("\t Signal time %f -> fraction %f of ZDC signal for det.(%d, %d) out of ADC gate\n", |
0fba8107 | 313 | sdigit.GetTrackTime(),fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1))); |
fd9afd60 | 314 | sdSignal = (1-fFracLostSignal)*sdSignal; |
315 | } | |
316 | ||
48642b09 | 317 | pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM(); |
698e394d | 318 | //Ch. debug |
319 | /*printf("\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", | |
48642b09 | 320 | sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1, |
698e394d | 321 | sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); |
878fa0b3 | 322 | */ |
fd9afd60 | 323 | |
8309c1ab | 324 | } |
325 | ||
8309c1ab | 326 | loader->UnloadSDigits(); |
327 | ||
328 | // get the impact parameter and the number of spectators in case of hijing | |
8574b308 | 329 | if(!runLoader->GetAliRun()) runLoader->LoadgAlice(); |
d3b3a3b2 | 330 | AliHeader* header = runLoader->GetHeader(); |
8574b308 | 331 | if(!header) continue; |
8309c1ab | 332 | AliGenEventHeader* genHeader = header->GenEventHeader(); |
8574b308 | 333 | if(!genHeader) continue; |
334 | if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; | |
a18a0543 | 335 | |
f2e2aa97 | 336 | if(fSpectators2Track==kTRUE && fIspASystem==kFALSE){ |
a18a0543 | 337 | impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter(); |
338 | specNProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn(); | |
339 | specPProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp(); | |
340 | specNTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsn(); | |
341 | specPTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsp(); | |
7fe9b721 | 342 | /*printf("\n\t AliZDCDigitizer: b = %1.2f fm\n" |
a18a0543 | 343 | " \t PROJ.: #spectator n %d, #spectator p %d\n" |
2413fd18 | 344 | " \t TARG.: #spectator n %d, #spectator p %d\n", |
7fe9b721 | 345 | impPar, specNProj, specPProj, specNTarg, specPTarg);*/ |
a18a0543 | 346 | } |
347 | ||
8309c1ab | 348 | } |
349 | ||
fd9afd60 | 350 | // Applying fragmentation algorithm and adding spectator signal |
f2e2aa97 | 351 | if(fSpectators2Track==kTRUE && impPar && fIspASystem==kFALSE) { |
fd9afd60 | 352 | Int_t freeSpecNProj, freeSpecPProj; |
353 | Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj); | |
354 | Int_t freeSpecNTarg, freeSpecPTarg; | |
355 | Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg); | |
356 | SpectatorSignal(1, freeSpecNProj, pm); | |
7fe9b721 | 357 | // printf("\t AliZDCDigitizer -> Adding signal for %d PROJ free spectator n",freeSpecNProj); |
fd9afd60 | 358 | SpectatorSignal(2, freeSpecPProj, pm); |
7fe9b721 | 359 | // printf(" and %d free spectator p\n",freeSpecPProj); |
fd9afd60 | 360 | SpectatorSignal(3, freeSpecNTarg, pm); |
7fe9b721 | 361 | // printf("\t AliZDCDigitizer -> Adding signal for %d TARG free spectator n",freeSpecNTarg); |
fd9afd60 | 362 | SpectatorSignal(4, freeSpecPTarg, pm); |
7fe9b721 | 363 | // printf(" and %d free spectator p\n\n",freeSpecPTarg); |
8309c1ab | 364 | } |
365 | ||
8a2624cc | 366 | |
8309c1ab | 367 | // get the output run loader and loader |
368 | AliRunLoader* runLoader = | |
f21fc003 | 369 | AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName()); |
8309c1ab | 370 | AliLoader* loader = runLoader->GetLoader("ZDCLoader"); |
8574b308 | 371 | if(!loader) { |
8309c1ab | 372 | AliError("no ZDC loader found"); |
373 | return; | |
374 | } | |
375 | ||
376 | // create the output tree | |
377 | const char* mode = "update"; | |
8574b308 | 378 | if(runLoader->GetEventNumber() == 0) mode = "recreate"; |
8309c1ab | 379 | loader->LoadDigits(mode); |
380 | loader->MakeTree("D"); | |
381 | TTree* treeD = loader->TreeD(); | |
382 | AliZDCDigit digit; | |
383 | AliZDCDigit* pdigit = &digit; | |
384 | const Int_t kBufferSize = 4000; | |
385 | treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize); | |
386 | ||
387 | // Create digits | |
80e87581 | 388 | Int_t sector[2]; |
389 | Int_t digi[2], digioot[2]; | |
390 | for(sector[0]=1; sector[0]<6; sector[0]++){ | |
abf60186 | 391 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
392 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 393 | for(Int_t res=0; res<2; res++){ |
abf60186 | 394 | digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) |
48642b09 | 395 | + Pedestal(sector[0], sector[1], res); |
7f73eb6b | 396 | } |
abf60186 | 397 | new(pdigit) AliZDCDigit(sector, digi); |
8309c1ab | 398 | treeD->Fill(); |
698e394d | 399 | |
400 | //Ch. debug | |
401 | //printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n", | |
402 | // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! | |
403 | ||
8309c1ab | 404 | } |
83347831 | 405 | } // Loop over detector |
406 | // Adding in-time digits for 2 reference PTM signals (after signal ch.) | |
407 | // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!) | |
408 | Int_t sectorRef[2]; | |
409 | sectorRef[1] = 5; | |
9d38ced8 | 410 | Int_t sigRef[2]; |
80e87581 | 411 | // Reference signal are set to 100 (high gain chain) and 800 (low gain chain) |
9d38ced8 | 412 | if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;} |
80e87581 | 413 | else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values |
9d38ced8 | 414 | // |
83347831 | 415 | for(Int_t iref=0; iref<2; iref++){ |
416 | sectorRef[0] = 3*iref+1; | |
417 | for(Int_t res=0; res<2; res++){ | |
418 | sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); | |
419 | } | |
83347831 | 420 | new(pdigit) AliZDCDigit(sectorRef, sigRef); |
421 | treeD->Fill(); | |
698e394d | 422 | |
423 | //Ch. debug | |
424 | //printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
425 | // sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! | |
abf60186 | 426 | } |
d79f8d50 | 427 | // |
428 | // --- Adding digits for out-of-time channels after signal digits | |
80e87581 | 429 | for(sector[0]=1; sector[0]<6; sector[0]++){ |
d79f8d50 | 430 | for(sector[1]=0; sector[1]<5; sector[1]++){ |
431 | if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; | |
8574b308 | 432 | for(Int_t res=0; res<2; res++){ |
d79f8d50 | 433 | digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs |
434 | } | |
d79f8d50 | 435 | new(pdigit) AliZDCDigit(sector, digioot); |
436 | treeD->Fill(); | |
698e394d | 437 | |
438 | //Ch. debug | |
439 | //printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
440 | // sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! | |
d79f8d50 | 441 | } |
442 | } | |
83347831 | 443 | // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.) |
444 | Int_t sigRefoot[2]; | |
445 | for(Int_t iref=0; iref<2; iref++){ | |
446 | sectorRef[0] = 3*iref+1; | |
447 | for(Int_t res=0; res<2; res++){ | |
448 | sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); | |
449 | } | |
83347831 | 450 | new(pdigit) AliZDCDigit(sectorRef, sigRefoot); |
451 | treeD->Fill(); | |
698e394d | 452 | //Ch. debug |
453 | //printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", | |
454 | // sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! | |
455 | ||
83347831 | 456 | } |
457 | //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries()); | |
458 | ||
8309c1ab | 459 | // write the output tree |
460 | loader->WriteDigits("OVERWRITE"); | |
461 | loader->UnloadDigits(); | |
462 | } | |
463 | ||
464 | ||
465 | //_____________________________________________________________________________ | |
466 | void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, | |
467 | Int_t &freeSpecN, Int_t &freeSpecP) const | |
468 | { | |
469 | // simulate fragmentation of spectators | |
470 | ||
8309c1ab | 471 | AliZDCFragment frag(impPar); |
8309c1ab | 472 | |
473 | // Fragments generation | |
92339a90 | 474 | frag.GenerateIMF(); |
475 | Int_t nAlpha = frag.GetNalpha(); | |
8309c1ab | 476 | |
477 | // Attach neutrons | |
98711e01 | 478 | frag.AttachNeutrons(); |
92339a90 | 479 | Int_t ztot = frag.GetZtot(); |
480 | Int_t ntot = frag.GetNtot(); | |
98711e01 | 481 | |
482 | // Removing fragments and alpha pcs | |
8309c1ab | 483 | freeSpecN = specN-ntot-2*nAlpha; |
484 | freeSpecP = specP-ztot-2*nAlpha; | |
98711e01 | 485 | |
3848c666 | 486 | // Removing deuterons |
a0607c1f | 487 | Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber()); |
3848c666 | 488 | freeSpecN -= ndeu; |
98711e01 | 489 | freeSpecP -= ndeu; |
3848c666 | 490 | // |
8309c1ab | 491 | if(freeSpecN<0) freeSpecN=0; |
492 | if(freeSpecP<0) freeSpecP=0; | |
493 | AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP)); | |
494 | } | |
495 | ||
496 | //_____________________________________________________________________________ | |
497 | void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, | |
fd9afd60 | 498 | Float_t pm[5][5]) const |
8309c1ab | 499 | { |
500 | // add signal of the spectators | |
fd9afd60 | 501 | |
2d9c70ab | 502 | TFile *specSignalFile = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root"); |
503 | if(!specSignalFile || !specSignalFile->IsOpen()) { | |
504 | AliError((" Opening file $ALICE_ROOT/ZDC/SpectatorSignal.root failed\n")); | |
505 | return; | |
8309c1ab | 506 | } |
2d9c70ab | 507 | |
e7eabc21 | 508 | TNtuple* zdcSignal=0x0; |
2d9c70ab | 509 | |
510 | Float_t sqrtS = 2*fBeamEnergy; | |
511 | // | |
512 | if(TMath::Abs(sqrtS-5500) < 100.){ | |
513 | specSignalFile->cd("energy5500"); | |
514 | // | |
515 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
516 | specSignalFile->GetObject("energy5500/ZNCSignal;1",zdcSignal); | |
517 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); | |
518 | } | |
519 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
520 | specSignalFile->GetObject("energy5500/ZPCSignal;1",zdcSignal); | |
521 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); | |
522 | } | |
523 | else if(SpecType == 3) { // --- Signal for target spectator neutrons | |
524 | specSignalFile->GetObject("energy5500/ZNASignal;1",zdcSignal); | |
525 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); | |
526 | } | |
527 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
528 | specSignalFile->GetObject("energy5500/ZPASignal;1",zdcSignal); | |
529 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); | |
530 | } | |
fd9afd60 | 531 | } |
2d9c70ab | 532 | else if(TMath::Abs(sqrtS-2760) < 100.){ |
533 | specSignalFile->cd("energy2760"); | |
534 | // | |
535 | if(SpecType == 1) { // --- Signal for projectile spectator neutrons | |
536 | specSignalFile->GetObject("energy2760/ZNCSignal;1",zdcSignal); | |
537 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); | |
538 | } | |
539 | else if(SpecType == 2) { // --- Signal for projectile spectator protons | |
540 | specSignalFile->GetObject("energy2760/ZPCSignal;1",zdcSignal); | |
541 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); | |
542 | } | |
543 | else if(SpecType == 3) { // --- Signal for target spectator neutrons | |
544 | specSignalFile->GetObject("energy2760/ZNASignal;1",zdcSignal); | |
545 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); | |
546 | } | |
547 | else if(SpecType == 4) { // --- Signal for target spectator protons | |
548 | specSignalFile->GetObject("energy2760/ZPASignal;1",zdcSignal); | |
549 | if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); | |
550 | } | |
fd9afd60 | 551 | } |
552 | ||
83534754 | 553 | if(!zdcSignal){ |
554 | printf("\n No spectator signal available for ZDC digitization\n"); | |
555 | return; | |
556 | } | |
557 | ||
8309c1ab | 558 | Int_t nentries = (Int_t) zdcSignal->GetEntries(); |
559 | ||
fd9afd60 | 560 | Float_t *entry; |
561 | Int_t pl, i, k, iev=0, rnd[125], volume[2]; | |
48642b09 | 562 | for(pl=0;pl<125;pl++) rnd[pl] = 0; |
8574b308 | 563 | if(numEvents > 125) { |
fea9b334 | 564 | AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents)); |
8309c1ab | 565 | numEvents = 125; |
566 | } | |
567 | for(pl=0;pl<numEvents;pl++){ | |
568 | rnd[pl] = (Int_t) (9999*gRandom->Rndm()); | |
85a96223 | 569 | if(rnd[pl] >= 9999) rnd[pl] = 9998; |
8309c1ab | 570 | //printf(" rnd[%d] = %d\n",pl,rnd[pl]); |
571 | } | |
572 | // Sorting vector in ascending order with C function QSORT | |
573 | qsort((void*)rnd,numEvents,sizeof(Int_t),comp); | |
574 | do{ | |
575 | for(i=0; i<nentries; i++){ | |
576 | zdcSignal->GetEvent(i); | |
577 | entry = zdcSignal->GetArgs(); | |
578 | if(entry[0] == rnd[iev]){ | |
579 | for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1]; | |
48642b09 | 580 | // |
fd9afd60 | 581 | Float_t lightQ = entry[7]; |
582 | Float_t lightC = entry[8]; | |
583 | // | |
acf9550c | 584 | if(volume[0] != 3) { // ZN or ZP |
8309c1ab | 585 | pm[volume[0]-1][0] += lightC; |
586 | pm[volume[0]-1][volume[1]] += lightQ; | |
48642b09 | 587 | //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0], |
588 | // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]); | |
589 | } | |
590 | else { | |
8574b308 | 591 | if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1 |
acf9550c | 592 | else pm[2][2] += lightQ; // ZEM 2 |
48642b09 | 593 | //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]); |
594 | } | |
8309c1ab | 595 | } |
596 | else if(entry[0] > rnd[iev]){ | |
597 | iev++; | |
598 | continue; | |
599 | } | |
600 | } | |
601 | }while(iev<numEvents); | |
602 | ||
2d9c70ab | 603 | specSignalFile->Close(); |
604 | delete specSignalFile; | |
8309c1ab | 605 | } |
606 | ||
607 | ||
608 | //_____________________________________________________________________________ | |
609 | Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light, | |
610 | Int_t Res) const | |
611 | { | |
48642b09 | 612 | // Evaluation of the ADC channel corresponding to the light yield Light |
8a2624cc | 613 | Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); |
698e394d | 614 | // Ch. debug |
615 | //printf("\t Phe2ADCch -> det %d quad %d - PMGain[%d][%d] %1.0f phe %1.2f ADC %d\n", | |
616 | // Det,Quad,Det-1,Quad,fPMGain[Det-1][Quad],Light,vADCch); | |
7f73eb6b | 617 | |
8a2624cc | 618 | return vADCch; |
48642b09 | 619 | } |
8309c1ab | 620 | |
48642b09 | 621 | //_____________________________________________________________________________ |
622 | Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const | |
623 | { | |
8a2624cc | 624 | // Returns a pedestal for detector det, PM quad, channel with res. |
625 | // | |
65b16e87 | 626 | Float_t pedValue; |
abf60186 | 627 | // Normal run |
628 | if(fIsCalibration == 0){ | |
c35ed519 | 629 | Int_t index=0, kNch=24; |
83347831 | 630 | if(Quad!=5){ |
c35ed519 | 631 | if(Det==1) index = Quad+kNch*Res; // ZNC |
632 | else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC | |
633 | else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM | |
634 | else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA | |
635 | else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA | |
83347831 | 636 | } |
c35ed519 | 637 | else index = (Det-1)/3+22+kNch*Res; // Reference PMs |
83347831 | 638 | // |
c35ed519 | 639 | Float_t meanPed = fPedData->GetMeanPed(index); |
640 | Float_t pedWidth = fPedData->GetMeanPedWidth(index); | |
65b16e87 | 641 | pedValue = gRandom->Gaus(meanPed,pedWidth); |
abf60186 | 642 | // |
58e12fee | 643 | /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n", |
65b16e87 | 644 | Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging! |
abf60186 | 645 | */ |
646 | } | |
7f73eb6b | 647 | // To create calibration object |
83347831 | 648 | else{ |
65b16e87 | 649 | if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain |
650 | else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain | |
83347831 | 651 | } |
dbc8d7fc | 652 | |
65b16e87 | 653 | return (Int_t) pedValue; |
8309c1ab | 654 | } |
655 | ||
656 | //_____________________________________________________________________________ | |
78d18275 | 657 | AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri) |
8309c1ab | 658 | { |
8309c1ab | 659 | |
78d18275 | 660 | Bool_t deleteManager = kFALSE; |
48642b09 | 661 | |
78d18275 | 662 | AliCDBManager *manager = AliCDBManager::Instance(); |
663 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
48642b09 | 664 | |
78d18275 | 665 | if(!defstorage || !(defstorage->Contains("ZDC"))){ |
666 | AliWarning("No default storage set or default storage doesn't contain ZDC!"); | |
667 | manager->SetDefaultStorage(uri); | |
668 | deleteManager = kTRUE; | |
669 | } | |
670 | ||
671 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
672 | ||
673 | if(deleteManager){ | |
674 | AliCDBManager::Instance()->UnsetDefaultStorage(); | |
675 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
676 | } | |
677 | ||
678 | return storage; | |
679 | } | |
48642b09 | 680 | |
78d18275 | 681 | //_____________________________________________________________________________ |
6024ec85 | 682 | AliZDCPedestals* AliZDCDigitizer::GetPedData() const |
683 | { | |
684 | ||
685 | // Getting pedestal calibration object for ZDC set | |
686 | ||
687 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals"); | |
688 | if(!entry) AliFatal("No calibration data loaded!"); | |
689 | ||
690 | AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject()); | |
691 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
692 | ||
693 | return calibdata; | |
694 | } | |
f91d1e35 | 695 |