X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=blobdiff_plain;f=ZDC%2FAliZDCDigitizer.cxx;h=97cb31969350499e2d8b001f298a3829724b765a;hp=9f1ec32b81f6d3167318be586940d6bd7fbfd7f6;hb=f21fc003c20acf4ef162ab5c82e902915a6c92f0;hpb=4fda3ba1838d13733556ee9fe382096863a9cef4 diff --git a/ZDC/AliZDCDigitizer.cxx b/ZDC/AliZDCDigitizer.cxx index 9f1ec32b81f..97cb3196935 100644 --- a/ZDC/AliZDCDigitizer.cxx +++ b/ZDC/AliZDCDigitizer.cxx @@ -34,60 +34,173 @@ #include "AliRun.h" #include "AliHeader.h" #include "AliGenHijingEventHeader.h" -#include "AliRunDigitizer.h" +#include "AliDigitizationInput.h" #include "AliRunLoader.h" +#include "AliLoader.h" +#include "AliGRPObject.h" #include "AliCDBManager.h" #include "AliCDBEntry.h" #include "AliZDCSDigit.h" #include "AliZDCDigit.h" #include "AliZDCFragment.h" +#include "AliZDCv3.h" #include "AliZDCDigitizer.h" class AliCDBStorage; -class AliZDCCalibData; +class AliZDCPedestals; ClassImp(AliZDCDigitizer) //____________________________________________________________________________ -AliZDCDigitizer::AliZDCDigitizer() +AliZDCDigitizer::AliZDCDigitizer() : + fIsCalibration(0), + fIsSignalInADCGate(kFALSE), + fFracLostSignal(0.), + fPedData(0), + fSpectators2Track(kFALSE), + fBeamEnergy(0.) { -// Default constructor - + // Default constructor + for(Int_t i=0; i<2; i++) fADCRes[i]=0.; } //____________________________________________________________________________ -AliZDCDigitizer::AliZDCDigitizer(AliRunDigitizer* manager): - AliDigitizer(manager) +AliZDCDigitizer::AliZDCDigitizer(AliDigitizationInput* digInput): + AliDigitizer(digInput), + fIsCalibration(0), //By default the simulation doesn't create calib. data + fIsSignalInADCGate(kFALSE), + fFracLostSignal(0.), + fPedData(GetPedData()), + fSpectators2Track(kFALSE), + fBeamEnergy(0.) { - // Get calibration data - fCalibData = GetCalibData(); - + if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n"); + for(Int_t i=0; i<5; i++){ + for(Int_t j=0; j<5; j++) + fPMGain[i][j] = 0.; + } } //____________________________________________________________________________ AliZDCDigitizer::~AliZDCDigitizer() { // Destructor - +// Not implemented } +//____________________________________________________________________________ +AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): + AliDigitizer(), + fIsCalibration(digitizer.fIsCalibration), + fIsSignalInADCGate(digitizer.fIsSignalInADCGate), + fFracLostSignal(digitizer.fFracLostSignal), + fPedData(digitizer.fPedData), + fSpectators2Track(digitizer.fSpectators2Track), + fBeamEnergy(digitizer.fBeamEnergy) +{ + // Copy constructor + + for(Int_t i=0; i<5; i++){ + for(Int_t j=0; j<5; j++){ + fPMGain[i][j] = digitizer.fPMGain[i][j]; + } + } + for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i]; + + +} + //____________________________________________________________________________ Bool_t AliZDCDigitizer::Init() { // Initialize the digitizer - // NB -> PM gain vs. HV & ADC resolutions will move to DCDB *************** - for(Int_t j = 0; j < 5; j++){ - fPMGain[0][j] = 50000.; - fPMGain[1][j] = 100000.; - fPMGain[2][j] = 100000.; - fPMGain[3][j] = 50000.; - fPMGain[4][j] = 100000.; - fPMGain[5][j] = 100000.; - } - // ADC Caen V965 + + AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data"); + if(!entry) AliFatal("No calibration data loaded!"); + AliGRPObject* grpData = 0x0; + if(entry){ + TMap* m = dynamic_cast(entry->GetObject()); // old GRP entry + if(m){ + //m->Print(); + grpData = new AliGRPObject(); + grpData->ReadValuesFromMap(m); + } + else{ + grpData = dynamic_cast(entry->GetObject()); // new GRP entry + } + entry->SetOwner(0); + AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data"); + } + if(!grpData){ + AliError("No GRP entry found in OCDB! \n "); + return kFALSE; + } + + TString beamType = grpData->GetBeamType(); + if(beamType==AliGRPObject::GetInvalidString()){ + AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); + } + + fBeamEnergy = grpData->GetBeamEnergy(); + if(fBeamEnergy==AliGRPObject::GetInvalidFloat()){ + AliWarning("GRP/GRP/Data entry: missing value for the beam energy ! Using 0."); + AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); + fBeamEnergy = 0.; + } + + if((beamType.CompareTo("P-P")) == 0 || (beamType.CompareTo("p-p")) == 0){ + //PTM gains rescaled to beam energy for p-p + // New correction coefficients for PMT gains needed + // to reproduce experimental spectra (from Grazia Jul 2010) + if(fBeamEnergy != 0){ + for(Int_t j = 0; j < 5; j++){ + fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000; + fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000; + fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000; + fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000; + } + fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000; + fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000; + // + AliInfo(Form(" PMT gains for p-p @ %1.0f+%1.0f GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", + fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); + } + else{ // for RELDIS simulation + Float_t scalGainFactor = 0.5; + for(Int_t j = 0; j < 5; j++){ + fPMGain[0][j] = 50000./scalGainFactor; // ZNC + fPMGain[1][j] = 100000./scalGainFactor; // ZPC + fPMGain[2][j] = 100000./scalGainFactor; // ZEM + fPMGain[3][j] = 50000./scalGainFactor; // ZNA + fPMGain[4][j] = 100000./scalGainFactor; // ZPA + } + // + AliInfo(Form(" PMT gains for RELDIS simulation: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", + fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); + } + } + else if((beamType.CompareTo("A-A")) == 0){ + // PTM gains for Pb-Pb @ 2.7+2.7 A TeV *************** + // rescaled for Pb-Pb @ 1.38+1.38 A TeV *************** + // Values corrected after 2010 Pb-Pb data taking (7/2/2011 - Ch.) + // Experimental data compared to EMD simulation for single nucleon peaks: + // ZN gains must be divided by 4, ZP gains by 10! + Float_t scalGainFactor = fBeamEnergy/2760.; + for(Int_t j = 0; j < 5; j++){ + fPMGain[0][j] = 50000./(4*scalGainFactor); // ZNC + fPMGain[1][j] = 100000./(5*scalGainFactor); // ZPC + fPMGain[2][j] = 100000./scalGainFactor; // ZEM + fPMGain[3][j] = 50000./(4*scalGainFactor); // ZNA + fPMGain[4][j] = 100000./(5*scalGainFactor); // ZPA + } + AliInfo(Form(" PMT gains for Pb-Pb @ %1.0f+%1.0f A GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", + fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1])); + } + + // ADC Caen V965 fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh @@ -95,105 +208,152 @@ Bool_t AliZDCDigitizer::Init() } //____________________________________________________________________________ -void AliZDCDigitizer::Exec(Option_t* /*option*/) +void AliZDCDigitizer::Digitize(Option_t* /*option*/) { // Execute digitization - Float_t pm[5][5]; // !!! 2nd ZDC set added (needed for trigger purposes!) + // ------------------------------------------------------------ + // !!! 2nd ZDC set added // *** 1st 3 arrays are digits from REAL (simulated) hits // *** last 2 are copied from simulated digits - // --- pm[0][...] = light in ZN right [C, Q1, Q2, Q3, Q4] - // --- pm[1][...] = light in ZP right [C, Q1, Q2, Q3, Q4] + // --- pm[0][...] = light in ZN side C [C, Q1, Q2, Q3, Q4] + // --- pm[1][...] = light in ZP side C [C, Q1, Q2, Q3, Q4] // --- pm[2][...] = light in ZEM [x, 1, 2, x, x] - // --- pm[3][...] = light in ZN left [C, Q1, Q2, Q3, Q4] ->NEW! - // --- pm[4][...] = light in ZP left [C, Q1, Q2, Q3, Q4] ->NEW! - - for (Int_t iSector1=0; iSector1<5; iSector1++) - for (Int_t iSector2=0; iSector2<5; iSector2++) { + // --- pm[3][...] = light in ZN side A [C, Q1, Q2, Q3, Q4] ->NEW! + // --- pm[4][...] = light in ZP side A [C, Q1, Q2, Q3, Q4] ->NEW! + // ------------------------------------------------------------ + Float_t pm[5][5]; + for(Int_t iSector1=0; iSector1<5; iSector1++) + for(Int_t iSector2=0; iSector2<5; iSector2++){ pm[iSector1][iSector2] = 0; } + + // ------------------------------------------------------------ + // ### Out of time ADC added (22 channels) + // --- same codification as for signal PTMs (see above) + // ------------------------------------------------------------ + Float_t pmoot[5][5]; + for(Int_t iSector1=0; iSector1<5; iSector1++) + for(Int_t iSector2=0; iSector2<5; iSector2++){ + pmoot[iSector1][iSector2] = 0; + } // impact parameter and number of spectators - Float_t impPar = -1; - Int_t specN = 0; - Int_t specP = 0; + Float_t impPar = 0; + Int_t specNTarg = 0, specPTarg = 0; + Int_t specNProj = 0, specPProj = 0; + Float_t signalTime0 = 0.; // loop over input streams - for (Int_t iInput = 0; iInputGetNinputs(); iInput++) { + for(Int_t iInput = 0; iInputGetNinputs(); iInput++){ // get run loader and ZDC loader AliRunLoader* runLoader = - AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); + AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(iInput)); AliLoader* loader = runLoader->GetLoader("ZDCLoader"); - if (!loader) continue; + if(!loader) continue; // load sdigits loader->LoadSDigits(); TTree* treeS = loader->TreeS(); - if (!treeS) continue; + if(!treeS) continue; AliZDCSDigit sdigit; AliZDCSDigit* psdigit = &sdigit; treeS->SetBranchAddress("ZDC", &psdigit); // loop over sdigits - for (Int_t iSDigit=0; iSDigitGetEntries(); iSDigit++) { + for(Int_t iSDigit=0; iSDigitGetEntries(); iSDigit++){ treeS->GetEntry(iSDigit); // - if (!psdigit) continue; - if ((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)) { + if(!psdigit) continue; + if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){ AliError(Form("\nsector[0] = %d, sector[1] = %d\n", sdigit.GetSector(0), sdigit.GetSector(1))); continue; } - // + // Checking if signal is inside ADC gate + if(iSDigit==0) signalTime0 = sdigit.GetTrackTime(); + else{ + // Assuming a signal lenght of 20 ns, signal is in gate if + // signal ENDS in signalTime0+50. -> sdigit.GetTrackTime()+20<=signalTime0+50. + if(sdigit.GetTrackTime()<=signalTime0+30.) fIsSignalInADCGate = kTRUE; + if(sdigit.GetTrackTime()>signalTime0+30.){ + fIsSignalInADCGate = kFALSE; + // Vedi quaderno per spiegazione approx. usata + // nel calcolo della fraz. di segnale perso + fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.; + } + } + + Float_t sdSignal = sdigit.GetLightPM(); + if(fIsSignalInADCGate == kFALSE){ + AliDebug(2,Form("\t Signal time %f -> fraction %f of ZDC signal for det.(%d, %d) out of ADC gate\n", + sdigit.GetTrackTime(),fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1))); + sdSignal = (1-fFracLostSignal)*sdSignal; + } + pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM(); - /*printf("\n\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", + //Ch. debug + /*printf("\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1, - sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); // Chiara debugging! - */ + sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); + */ + } loader->UnloadSDigits(); // get the impact parameter and the number of spectators in case of hijing - if (!runLoader->GetAliRun()) runLoader->LoadgAlice(); - AliHeader* header = runLoader->GetAliRun()->GetHeader(); - if (!header) continue; + if(!runLoader->GetAliRun()) runLoader->LoadgAlice(); + AliHeader* header = runLoader->GetHeader(); + if(!header) continue; AliGenEventHeader* genHeader = header->GenEventHeader(); - if (!genHeader) continue; - if (!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; - impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter(); - // - specN = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn(); - specP = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp(); - AliDebug(2, Form("\n AliZDCDigitizer -> b = %f fm, Nspecn = %d, Nspecp = %d\n", - impPar, specN, specP)); - printf("\n\t AliZDCDigitizer -> b = %f fm, Nspecn = %d, Nspecp = %d\n", impPar, specN, specP); + if(!genHeader) continue; + if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; + + if(fSpectators2Track==kTRUE){ + impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter(); + specNProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn(); + specPProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp(); + specNTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsn(); + specPTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsp(); + /*printf("\n\t AliZDCDigitizer: b = %1.2f fm\n" + " \t PROJ.: #spectator n %d, #spectator p %d\n" + " \t TARG.: #spectator n %d, #spectator p %d\n", + impPar, specNProj, specPProj, specNTarg, specPTarg);*/ + } + } - // add spectators - if (impPar >= 0) { - Int_t freeSpecN, freeSpecP; - Fragmentation(impPar, specN, specP, freeSpecN, freeSpecP); - printf("\n\t AliZDCDigitizer ---- Adding signal for %d free spectator n\n",freeSpecN); - SpectatorSignal(1, freeSpecN, pm); - printf("\t AliZDCDigitizer ---- Adding signal for %d free spectator p\n\n",freeSpecP); - SpectatorSignal(2, freeSpecP, pm); + // Applying fragmentation algorithm and adding spectator signal + if(fSpectators2Track==kTRUE && impPar) { + Int_t freeSpecNProj, freeSpecPProj; + Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj); + Int_t freeSpecNTarg, freeSpecPTarg; + Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg); + SpectatorSignal(1, freeSpecNProj, pm); +// printf("\t AliZDCDigitizer -> Adding signal for %d PROJ free spectator n",freeSpecNProj); + SpectatorSignal(2, freeSpecPProj, pm); +// printf(" and %d free spectator p\n",freeSpecPProj); + SpectatorSignal(3, freeSpecNTarg, pm); +// printf("\t AliZDCDigitizer -> Adding signal for %d TARG free spectator n",freeSpecNTarg); + SpectatorSignal(4, freeSpecPTarg, pm); +// printf(" and %d free spectator p\n\n",freeSpecPTarg); } // get the output run loader and loader AliRunLoader* runLoader = - AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); + AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName()); AliLoader* loader = runLoader->GetLoader("ZDCLoader"); - if (!loader) { + if(!loader) { AliError("no ZDC loader found"); return; } // create the output tree const char* mode = "update"; - if (runLoader->GetEventNumber() == 0) mode = "recreate"; + if(runLoader->GetEventNumber() == 0) mode = "recreate"; loader->LoadDigits(mode); loader->MakeTree("D"); TTree* treeD = loader->TreeD(); @@ -203,36 +363,76 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize); // Create digits - Int_t sector[2], sectorL[2]; - Int_t digi[2], digiL[2]; - for (sector[0]=1; sector[0]<=3; sector[0]++) - for (sector[1]=0; sector[1]<5; sector[1]++) { - if ((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; - for (Int_t res=0; res<2; res++){ - digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) + Int_t sector[2]; + Int_t digi[2], digioot[2]; + for(sector[0]=1; sector[0]<6; sector[0]++){ + for(sector[1]=0; sector[1]<5; sector[1]++){ + if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; + for(Int_t res=0; res<2; res++){ + digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) + Pedestal(sector[0], sector[1], res); } - //printf("\t DIGIT added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", - // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! - new(pdigit) AliZDCDigit(sector, digi); + new(pdigit) AliZDCDigit(sector, digi); treeD->Fill(); - // - // --- Adding digits for 2nd ZDC set (left side w.r.t. IP) --- - // --- they are copied from right ZDC digits - if(sector[0]==1 || sector[0]==2){ - sectorL[0] = sector[0]+3; - sectorL[1] = sector[1]; - for (Int_t res=0; res<2; res++){ - digiL[res] = Phe2ADCch(sectorL[0], sectorL[1], pm[sector[0]-1][sector[1]], res) - + Pedestal(sectorL[0], sectorL[1], res); - } - //printf("\t DIGIT added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", - // sectorL[0], sectorL[1], digiL[0], digiL[1]); // Chiara debugging! - new(pdigit) AliZDCDigit(sectorL, digiL); - } - // + + //Ch. debug + //printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n", + // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! + + } + } // Loop over detector + // Adding in-time digits for 2 reference PTM signals (after signal ch.) + // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!) + Int_t sectorRef[2]; + sectorRef[1] = 5; + Int_t sigRef[2]; + // Reference signal are set to 100 (high gain chain) and 800 (low gain chain) + if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;} + else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values + // + for(Int_t iref=0; iref<2; iref++){ + sectorRef[0] = 3*iref+1; + for(Int_t res=0; res<2; res++){ + sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); + } + new(pdigit) AliZDCDigit(sectorRef, sigRef); + treeD->Fill(); + + //Ch. debug + //printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", + // sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! + } + // + // --- Adding digits for out-of-time channels after signal digits + for(sector[0]=1; sector[0]<6; sector[0]++){ + for(sector[1]=0; sector[1]<5; sector[1]++){ + if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; + for(Int_t res=0; res<2; res++){ + digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs + } + new(pdigit) AliZDCDigit(sector, digioot); treeD->Fill(); + + //Ch. debug + //printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", + // sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! } + } + // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.) + Int_t sigRefoot[2]; + for(Int_t iref=0; iref<2; iref++){ + sectorRef[0] = 3*iref+1; + for(Int_t res=0; res<2; res++){ + sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); + } + new(pdigit) AliZDCDigit(sectorRef, sigRefoot); + treeD->Fill(); + //Ch. debug + //printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", + // sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! + + } + //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries()); // write the output tree loader->WriteDigits("OVERWRITE"); @@ -246,23 +446,26 @@ void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, { // simulate fragmentation of spectators - Int_t zz[100], nn[100]; AliZDCFragment frag(impPar); - for (Int_t j=0; j<=99; j++){ - zz[j] =0; - nn[j] =0; - } // Fragments generation - Int_t nAlpha; - frag.GenerateIMF(zz, nAlpha); + frag.GenerateIMF(); + Int_t nAlpha = frag.GetNalpha(); // Attach neutrons - Int_t ztot=0; - Int_t ntot=0; - frag.AttachNeutrons(zz, nn, ztot, ntot); + frag.AttachNeutrons(); + Int_t ztot = frag.GetZtot(); + Int_t ntot = frag.GetNtot(); + + // Removing fragments and alpha pcs freeSpecN = specN-ntot-2*nAlpha; freeSpecP = specP-ztot-2*nAlpha; + + // Removing deuterons + Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber()); + freeSpecN -= ndeu; + freeSpecP -= ndeu; + // if(freeSpecN<0) freeSpecN=0; if(freeSpecP<0) freeSpecP=0; AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP)); @@ -270,29 +473,73 @@ void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, //_____________________________________________________________________________ void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, - Float_t pm[3][5]) const + Float_t pm[5][5]) const { // add signal of the spectators - - TFile* file = NULL; - if (SpecType == 1) { // --- Signal for spectator neutrons - file = TFile::Open("$ALICE/$ALICE_LEVEL/ZDC/ZNsignalntu.root"); - } else if (SpecType == 2) { // --- Signal for spectator protons - file = TFile::Open("$ALICE/$ALICE_LEVEL/ZDC/ZPsignalntu.root"); - } - if (!file || !file->IsOpen()) { - AliError("Opening of file failed"); + + TFile *specSignalFile = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root"); + if(!specSignalFile || !specSignalFile->IsOpen()) { + AliError((" Opening file $ALICE_ROOT/ZDC/SpectatorSignal.root failed\n")); return; } - TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal"); + TNtuple* zdcSignal=0x0; + + Float_t sqrtS = 2*fBeamEnergy; + // + if(TMath::Abs(sqrtS-5500) < 100.){ + specSignalFile->cd("energy5500"); + // + if(SpecType == 1) { // --- Signal for projectile spectator neutrons + specSignalFile->GetObject("energy5500/ZNCSignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); + } + else if(SpecType == 2) { // --- Signal for projectile spectator protons + specSignalFile->GetObject("energy5500/ZPCSignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); + } + else if(SpecType == 3) { // --- Signal for target spectator neutrons + specSignalFile->GetObject("energy5500/ZNASignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); + } + else if(SpecType == 4) { // --- Signal for target spectator protons + specSignalFile->GetObject("energy5500/ZPASignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); + } + } + else if(TMath::Abs(sqrtS-2760) < 100.){ + specSignalFile->cd("energy2760"); + // + if(SpecType == 1) { // --- Signal for projectile spectator neutrons + specSignalFile->GetObject("energy2760/ZNCSignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); + } + else if(SpecType == 2) { // --- Signal for projectile spectator protons + specSignalFile->GetObject("energy2760/ZPCSignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); + } + else if(SpecType == 3) { // --- Signal for target spectator neutrons + specSignalFile->GetObject("energy2760/ZNASignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); + } + else if(SpecType == 4) { // --- Signal for target spectator protons + specSignalFile->GetObject("energy2760/ZPASignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); + } + } + + if(!zdcSignal){ + printf("\n No spectator signal available for ZDC digitization\n"); + return; + } + Int_t nentries = (Int_t) zdcSignal->GetEntries(); - Float_t *entry, hitsSpec[7]; - Int_t pl, i, j, k, iev=0, rnd[125], volume[2]; + Float_t *entry; + Int_t pl, i, k, iev=0, rnd[125], volume[2]; for(pl=0;pl<125;pl++) rnd[pl] = 0; - if (numEvents > 125) { - AliWarning(Form("numEvents (%d) is larger than 125", numEvents)); + if(numEvents > 125) { + AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents)); numEvents = 125; } for(pl=0;plGetArgs(); if(entry[0] == rnd[iev]){ for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1]; - for(j=0; j<7; j++) hitsSpec[j] = entry[j+3]; // - Float_t lightQ = hitsSpec[4]; - Float_t lightC = hitsSpec[5]; - AliDebug(3, Form("SpectatorSignal -> vol = (%d, %d), lightQ = %.0f, lightC = %.0f", - volume[0], volume[1], lightQ, lightC)); - //printf("\n Volume = (%d, %d), lightQ = %.0f, lightC = %.0f", - // volume[0], volume[1], lightQ, lightC); - if (volume[0] < 3) { // ZN or ZP + Float_t lightQ = entry[7]; + Float_t lightC = entry[8]; + // + if(volume[0] != 3) { // ZN or ZP pm[volume[0]-1][0] += lightC; pm[volume[0]-1][volume[1]] += lightQ; //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0], // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]); } else { - if (volume[1] == 1) pm[2][1] += lightC; // ZEM 1 - else pm[2][2] += lightQ; // ZEM 2 + if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1 + else pm[2][2] += lightQ; // ZEM 2 //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]); } } @@ -335,8 +578,8 @@ void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, } }while(ievClose(); - delete file; + specSignalFile->Close(); + delete specSignalFile; } @@ -346,7 +589,9 @@ Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light, { // Evaluation of the ADC channel corresponding to the light yield Light Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); - //printf("\t Phe2ADCch -> det %d quad %d - phe %.0f ADC %d\n", Det,Quad,Light,ADCch); + // Ch. debug + //printf("\t Phe2ADCch -> det %d quad %d - PMGain[%d][%d] %1.0f phe %1.2f ADC %d\n", + // Det,Quad,Det-1,Quad,fPMGain[Det-1][Quad],Light,vADCch); return vADCch; } @@ -356,19 +601,34 @@ Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const { // Returns a pedestal for detector det, PM quad, channel with res. // - Float_t meanPed; - if(Det != 3) meanPed = fCalibData->GetMeanPed(10*(Det-1)+Quad+5*Res); - else meanPed = fCalibData->GetMeanPed(10*(Det-1)+Quad+1*Res); - - //printf("\t Pedestal -> det = %d, quad = %d, res = %d - Ped[%d] = %d\n", - // Det, Quad, Res,10*(Det-1)+Quad+5*Res,(Int_t) meanPed); // Chiara debugging! - + Float_t pedValue; + // Normal run + if(fIsCalibration == 0){ + Int_t index=0, kNch=24; + if(Quad!=5){ + if(Det==1) index = Quad+kNch*Res; // ZNC + else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC + else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM + else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA + else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA + } + else index = (Det-1)/3+22+kNch*Res; // Reference PMs + // + Float_t meanPed = fPedData->GetMeanPed(index); + Float_t pedWidth = fPedData->GetMeanPedWidth(index); + pedValue = gRandom->Gaus(meanPed,pedWidth); + // + /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n", + Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging! + */ + } // To create calibration object - /*Float_t meanPed; - meanPed = gRandom->Gaus((40.+10.*gRandom->Rndm()),5.); - */ + else{ + if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain + else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain + } - return (Int_t) meanPed; + return (Int_t) pedValue; } //_____________________________________________________________________________ @@ -397,15 +657,16 @@ AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri) } //_____________________________________________________________________________ -AliZDCCalibData* AliZDCDigitizer::GetCalibData() const +AliZDCPedestals* AliZDCDigitizer::GetPedData() const { - // Getting calibration object for ZDC set + // Getting pedestal calibration object for ZDC set - AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Data"); - AliZDCCalibData *calibdata = (AliZDCCalibData*) entry->GetObject(); + AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals"); + if(!entry) AliFatal("No calibration data loaded!"); - if (!calibdata) AliWarning("No calibration data from calibration database !"); + AliZDCPedestals *calibdata = dynamic_cast (entry->GetObject()); + if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); return calibdata; }