X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ZDC%2FAliZDCDigitizer.cxx;h=5c08df2426c11689229be26a52024246a30204cd;hb=590dea9c105f1acd0935d6ef69feb5047ff35c4a;hp=e132a69ea40527188243330133f9114dbdbbd311;hpb=fea9b33464c97e5e4e064b4cea5e8995cb8cb7e6;p=u%2Fmrichter%2FAliRoot.git diff --git a/ZDC/AliZDCDigitizer.cxx b/ZDC/AliZDCDigitizer.cxx index e132a69ea40..5c08df2426c 100644 --- a/ZDC/AliZDCDigitizer.cxx +++ b/ZDC/AliZDCDigitizer.cxx @@ -21,7 +21,9 @@ // // /////////////////////////////////////////////////////////////////////////////// +// --- Standard libraries #include +#include // --- ROOT system #include @@ -30,12 +32,14 @@ #include // --- AliRoot header files -#include "AliLog.h" #include "AliRun.h" #include "AliHeader.h" #include "AliGenHijingEventHeader.h" -#include "AliRunDigitizer.h" +#include "AliGenCocktailEventHeader.h" +#include "AliDigitizationInput.h" #include "AliRunLoader.h" +#include "AliLoader.h" +#include "AliGRPObject.h" #include "AliCDBManager.h" #include "AliCDBEntry.h" #include "AliZDCSDigit.h" @@ -46,8 +50,6 @@ class AliCDBStorage; class AliZDCPedestals; -class AliZDCEnCalib; -class AliZDCTowerCalib; ClassImp(AliZDCDigitizer) @@ -58,28 +60,35 @@ AliZDCDigitizer::AliZDCDigitizer() : fIsSignalInADCGate(kFALSE), fFracLostSignal(0.), fPedData(0), - fEnCalibData(0), - fTowCalibData(0), - fSpectators2Track(kFALSE) + fSpectators2Track(kFALSE), + fBeamEnergy(0.), + fBeamType(""), + fIspASystem(kFALSE), + fIsRELDISgen(kFALSE) { -// 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()), - fEnCalibData(GetEnCalibData()), - fTowCalibData(GetTowCalibData()), - fSpectators2Track(kFALSE) + fSpectators2Track(kFALSE), + fBeamEnergy(0.), + fBeamType(""), + fIspASystem(kFALSE), + fIsRELDISgen(kFALSE) { // Get calibration data 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.; + } } //____________________________________________________________________________ @@ -97,35 +106,87 @@ AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): fIsSignalInADCGate(digitizer.fIsSignalInADCGate), fFracLostSignal(digitizer.fFracLostSignal), fPedData(digitizer.fPedData), - fEnCalibData(digitizer.fEnCalibData), - fTowCalibData(digitizer.fTowCalibData), - fSpectators2Track(digitizer.fSpectators2Track) + fSpectators2Track(digitizer.fSpectators2Track), + fBeamEnergy(digitizer.fBeamEnergy), + fBeamType(digitizer.fBeamType), + fIspASystem(digitizer.fIspASystem), + fIsRELDISgen(digitizer.fIsRELDISgen) { // Copy constructor - for(Int_t i=0; i<6; i++){ + 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 + + + //printf(" **** Initializing AliZDCDigitizer fBeamEnergy = %1.0f GeV\n\n", fBeamEnergy); + 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; + } + + fBeamType = grpData->GetBeamType(); + if(fBeamType==AliGRPObject::GetInvalidString()){ + AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); + } + + // If beam energy is not set from Config.C (RELDIS / spectator generators) + if(fBeamEnergy<0.01){ + 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(fIspASystem){ + fBeamType = "p-A"; + AliInfo(" AliZDCDigitizer -> Manually setting beam type to p-A\n"); + } + + // Setting beam type for spectator generator and RELDIS generator + if(((fBeamType.CompareTo("UNKNOWN")) == 0) || fIsRELDISgen){ + fBeamType = "A-A"; + AliInfo(" AliZDCDigitizer -> Manually setting beam type to A-A\n"); + } + printf("\t AliZDCDigitizer -> beam type %s - beam energy = %f GeV\n", fBeamType.Data(), fBeamEnergy); + + if(fBeamEnergy>0.1){ + ReadPMTGains(); + } + else{ + AliWarning("\n Beam energy is 0 -> ZDC PMT gains can't be set -> NO ZDC DIGITS!!!\n"); + } + + // 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 @@ -133,7 +194,7 @@ Bool_t AliZDCDigitizer::Init() } //____________________________________________________________________________ -void AliZDCDigitizer::Exec(Option_t* /*option*/) +void AliZDCDigitizer::Digitize(Option_t* /*option*/) { // Execute digitization @@ -157,24 +218,24 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) // ### 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; - } + // 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; + 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; @@ -204,11 +265,11 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) 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 + // 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", @@ -217,9 +278,10 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) } 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)]); */ } @@ -232,42 +294,47 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) if(!header) continue; AliGenEventHeader* genHeader = header->GenEventHeader(); if(!genHeader) continue; - if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; + AliGenHijingEventHeader *hijingHeader = 0; + if(genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) hijingHeader = dynamic_cast (genHeader); + else if(genHeader->InheritsFrom(AliGenCocktailEventHeader::Class())){ + TList* listOfHeaders = ((AliGenCocktailEventHeader*) genHeader)->GetHeaders(); + if(listOfHeaders) hijingHeader = dynamic_cast (listOfHeaders->FindObject("Hijing")); + else{ + AliWarning(" No list of headers from generator -> skipping event\n"); + continue; + } + } + if(!hijingHeader) 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\n", - impPar, specNProj, specPProj, specNTarg, specPTarg); - } + impPar = hijingHeader->ImpactParameter(); + specNProj = hijingHeader->ProjSpectatorsn(); + specPProj = hijingHeader->ProjSpectatorsp(); + specNTarg = hijingHeader->TargSpectatorsn(); + specPTarg = hijingHeader->TargSpectatorsp(); + AliInfo(Form("\t AliZDCDigitizer: b = %1.2f fm\n" + " \t PROJECTILE: #spectator n %d, #spectator p %d\n" + " \t TARGET: #spectator n %d, #spectator p %d\n", + impPar, specNProj, specPProj, specNTarg, specPTarg)); - } - - // 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(" AliZDCDigitizer -> Signal for %d PROJ free spectator n",freeSpecNProj); - SpectatorSignal(2, freeSpecPProj, pm); - //printf(" and %d free spectator p added\n",freeSpecPProj); - SpectatorSignal(3, freeSpecNTarg, pm); - //printf(" AliZDCDigitizer -> Signal for %d TARG free spectator n",freeSpecNTarg); - SpectatorSignal(4, freeSpecPTarg, pm); - //printf("and %d free spectator p added\n",freeSpecPTarg); + // Applying fragmentation algorithm and adding spectator signal + Int_t freeSpecNProj=0, freeSpecPProj=0; + if(specNProj!=0 || specPProj!=0) Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj); + Int_t freeSpecNTarg=0, freeSpecPTarg=0; + if(specNTarg!=0 || specPTarg!=0) Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg); + if(freeSpecNProj!=0) SpectatorSignal(1, freeSpecNProj, pm); + if(freeSpecPProj!=0) SpectatorSignal(2, freeSpecPProj, pm); + AliInfo(Form("\t AliZDCDigitizer -> Adding spectator signal for PROJECTILE: %d free n and %d free p\n",freeSpecNProj,freeSpecPProj)); + if(freeSpecNTarg!=0) SpectatorSignal(3, freeSpecNTarg, pm); + if(freeSpecPTarg!=0) SpectatorSignal(4, freeSpecPTarg, pm); + AliInfo(Form("\t AliZDCDigitizer -> Adding spectator signal for TARGET: %d free n and %d free p\n",freeSpecNTarg,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) { AliError("no ZDC loader found"); @@ -295,12 +362,13 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) 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); treeD->Fill(); + + //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.) @@ -317,11 +385,12 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) for(Int_t res=0; res<2; res++){ sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); } - /*printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", - sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! - */ 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 @@ -331,12 +400,12 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) for(Int_t res=0; res<2; res++){ digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs } - /*printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", - sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! - */ - // 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.) @@ -346,11 +415,12 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) for(Int_t res=0; res<2; res++){ sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); } - /*printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", - sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! - */ 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()); @@ -360,6 +430,147 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) } +//_____________________________________________________________________________ +void AliZDCDigitizer::ReadPMTGains() +{ +// Read PMT gain from an external file + + char *fname = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/PMTGainsdata.txt"); + FILE *fdata = fopen(fname,"r"); + if(fdata==NULL){ + AliWarning(" Can't open file $ALICE_ROOT/ZDC/PMTGainsdata.txt to read ZDC PMT Gains\n"); + AliWarning(" -> ZDC signal will be pedestal!!!!!!!!!!!!\n\n"); + return; + } + int read=1; + Float_t data[5]; + Int_t beam[12], det[12]; + Float_t gain[12], aEne[12], bEne[12]; + for(int ir=0; ir<12; ir++){ + for(int ic=0; ic<5; ic++){ + read = fscanf(fdata,"%f ",&data[ic]); + if(read==0) AliDebug(3, " Error in reading PMT gains from external file "); + } + beam[ir] = data[0]; + det[ir] = data[1]; + gain[ir] = data[2]; + aEne[ir] = data[3]; + bEne[ir] = data[4]; + } + fclose(fdata); + + if(((fBeamType.CompareTo("P-P")) == 0)){ + for(int i=0; i<12; i++){ + if(beam[i]==0 && fBeamEnergy!=0.){ + if(det[i]!=31 && det[i]!=32){ + for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]*(aEne[i]/fBeamEnergy+bEne[i]); + } + else if(det[i] == 31) fPMGain[2][1] = gain[i]*(aEne[i]-fBeamEnergy*bEne[i]); + else if(det[i] == 32) fPMGain[2][2] = gain[i]*(aEne[i]-fBeamEnergy*bEne[i]); + } + } + // + AliInfo(Form("\n ZDC PMT gains for p-p @ %1.0f+%1.0f GeV: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", + fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0])); + } + else if(((fBeamType.CompareTo("A-A")) == 0)){ + for(int i=0; i<12; i++){ + if(beam[i]==1){ + Float_t scalGainFactor = fBeamEnergy/2760.; + if(det[i]!=31 && det[i]!=32){ + for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]/(aEne[i]*scalGainFactor); + } + else{ + for(int iq=1; iq<3; iq++) fPMGain[2][iq] = gain[i]/(aEne[i]*scalGainFactor); + } + } + } + // + AliInfo(Form("\n ZDC 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])); + } + else if(((fBeamType.CompareTo("p-A")) == 0)){ + for(int i=0; i<12; i++){ + if(beam[i]==0 && fBeamEnergy!=0.){ + if(det[i]==1 || det[i]==2){ + for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]*(aEne[i]/fBeamEnergy+bEne[i]); + } + } + if(beam[i]==1){ + Float_t scalGainFactor = fBeamEnergy/2760.; + Float_t npartScalingFactor = 208./15.; + if(det[i]==4 || det[i]==5){ + for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = npartScalingFactor*gain[i]/(aEne[i]*scalGainFactor); + } + else if(det[i]==31 || det[i]==32){ + for(int iq=1; iq<3; iq++) fPMGain[2][iq] = npartScalingFactor*gain[i]/(aEne[i]*scalGainFactor); + } + } + } + AliInfo(Form("\n ZDC PMT gains for p-Pb: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", + fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0])); + } +} + +//_____________________________________________________________________________ +void AliZDCDigitizer::CalculatePMTGains() +{ +// Calculate PMT gain according to beam type and beam energy + if(((fBeamType.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("\n ZDC PMT gains for p-p @ %1.0f+%1.0f GeV: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", + fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0])); + + } + } + else if(((fBeamType.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("\n ZDC 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])); + } + else if(((fBeamType.CompareTo("p-A")) == 0)){ + // PTM gains for Pb-Pb @ 1.38+1.38 A TeV on side A + // PTM gains rescaled to beam energy for p-p on side C + // WARNING! Energies are set by hand for 2011 pA RUN!!! + Float_t scalGainFactor = fBeamEnergy/2760.; + + for(Int_t j = 0; j < 5; j++){ + fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000; //ZNC (p) + fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000; //ZPC (p) + fPMGain[2][j] = 100000./scalGainFactor; // ZEM (Pb) + // Npart max scales from 400 in Pb-Pb to ~8 in pPb -> *40. + fPMGain[3][j] = 10*50000./(4*scalGainFactor); // ZNA (Pb) + fPMGain[4][j] = 10*100000./(5*scalGainFactor); // ZPA (Pb) + } + AliInfo(Form("\n ZDC PMT gains for p-Pb: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", + fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0])); + } +} + //_____________________________________________________________________________ void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, Int_t &freeSpecN, Int_t &freeSpecP) const @@ -373,14 +584,18 @@ void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, Int_t nAlpha = frag.GetNalpha(); // Attach neutrons + frag.AttachNeutrons(); Int_t ztot = frag.GetZtot(); Int_t ntot = frag.GetNtot(); - frag.AttachNeutrons(); + + // 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; @@ -393,27 +608,64 @@ void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, { // add signal of the spectators - TString hfn; - if(SpecType == 1) { // --- Signal for projectile spectator neutrons - hfn = "$ALICE_ROOT/ZDC/ZNCSignal.root"; - } - else if(SpecType == 2) { // --- Signal for projectile spectator protons - hfn = "$ALICE_ROOT/ZDC/ZPCSignal.root"; + TFile *specSignalFile = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root"); + if(!specSignalFile || !specSignalFile->IsOpen()) { + AliError((" Opening file $ALICE_ROOT/ZDC/SpectatorSignal.root failed\n")); + return; } - else if(SpecType == 3) { // --- Signal for target spectator neutrons - hfn = "$ALICE_ROOT/ZDC/ZNASignal.root"; + + TNtuple* zdcSignal=0x0; + + Float_t sqrtS = 2*fBeamEnergy; + // + if(TMath::Abs(sqrtS-5500) < 100.){ + AliInfo(" Extracting signal from SpectatorSignal/energy5500 "); + 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(SpecType == 4) { // --- Signal for target spectator protons - hfn = "$ALICE_ROOT/ZDC/ZPASignal.root"; + else if(TMath::Abs(sqrtS-2760) < 100.){ + AliInfo(" Extracting signal from SpectatorSignal/energy2760 "); + 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"); + } } - TFile* file = TFile::Open(hfn); - if(!file || !file->IsOpen()) { - AliError((Form(" Opening file %s failed\n",hfn.Data()))); + if(!zdcSignal){ + printf("\n No spectator signal available for ZDC digitization\n"); return; - } - - TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal"); + } + Int_t nentries = (Int_t) zdcSignal->GetEntries(); Float_t *entry; @@ -459,8 +711,8 @@ void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, } }while(ievClose(); - delete file; + specSignalFile->Close(); + delete specSignalFile; } @@ -470,7 +722,9 @@ 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,vADCch); + // 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; } @@ -550,32 +804,3 @@ AliZDCPedestals* AliZDCDigitizer::GetPedData() const return calibdata; } -//_____________________________________________________________________________ -AliZDCEnCalib* AliZDCDigitizer::GetEnCalibData() const -{ - - // Getting calibration object for ZDC set - - AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/EnCalib"); - if(!entry) AliFatal("No calibration data loaded!"); - - AliZDCEnCalib *calibdata = dynamic_cast (entry->GetObject()); - if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); - - return calibdata; -} - -//_____________________________________________________________________________ -AliZDCTowerCalib* AliZDCDigitizer::GetTowCalibData() const -{ - - // Getting calibration object for ZDC set - - AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/TowCalib"); - if(!entry) AliFatal("No calibration data loaded!"); - - AliZDCTowerCalib *calibdata = dynamic_cast (entry->GetObject()); - if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); - - return calibdata; -}