// //
///////////////////////////////////////////////////////////////////////////////
+// --- Standard libraries
#include <stdlib.h>
+#include <stdio.h>
// --- ROOT system
#include <TTree.h>
#include <TRandom.h>
// --- 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"
#include "AliZDCDigit.h"
#include "AliZDCFragment.h"
+#include "AliZDCv3.h"
#include "AliZDCDigitizer.h"
class AliCDBStorage;
class AliZDCPedestals;
-class AliZDCCalib;
ClassImp(AliZDCDigitizer)
fIsSignalInADCGate(kFALSE),
fFracLostSignal(0.),
fPedData(0),
- fCalibData(0)
+ fSpectators2Track(kFALSE),
+ fBeamEnergy(0.),
+ fBeamType(""),
+ fIspASystem(kFALSE),
+ fIsRELDISgen(kFALSE),
+ fSpectatorData(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()),
- fCalibData(GetCalibData())
+ fSpectators2Track(kFALSE),
+ fBeamEnergy(0.),
+ fBeamType(""),
+ fIspASystem(kFALSE),
+ fIsRELDISgen(kFALSE),
+ fSpectatorData(NULL)
{
// 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.;
+ }
}
//____________________________________________________________________________
AliZDCDigitizer::~AliZDCDigitizer()
{
// Destructor
-// Not implemented
+ if(fSpectatorData!=NULL){
+ fSpectatorData->Close();
+ delete fSpectatorData;
+ }
}
fIsSignalInADCGate(digitizer.fIsSignalInADCGate),
fFracLostSignal(digitizer.fFracLostSignal),
fPedData(digitizer.fPedData),
- fCalibData(digitizer.fCalibData)
+ fSpectators2Track(digitizer.fSpectators2Track),
+ fBeamEnergy(digitizer.fBeamEnergy),
+ fBeamType(digitizer.fBeamType),
+ fIspASystem(digitizer.fIspASystem),
+ fIsRELDISgen(digitizer.fIsRELDISgen),
+ fSpectatorData(digitizer.fSpectatorData)
{
// 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<TMap*>(entry->GetObject()); // old GRP entry
+ if(m){
+ //m->Print();
+ grpData = new AliGRPObject();
+ grpData->ReadValuesFromMap(m);
+ }
+ else{
+ grpData = dynamic_cast<AliGRPObject*>(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("\n\t AliZDCDigitizer -> beam type %s - beam energy = %f GeV\n", fBeamType.Data(), fBeamEnergy);
+ if(fSpectators2Track) printf("\n\t AliZDCDigitizer -> spectator signal added at digit level\n\n");
+
+ if(fBeamEnergy>0.1){
+ ReadPMTGains();
+ //CalculatePMTGains();
+ }
+ 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
}
//____________________________________________________________________________
-void AliZDCDigitizer::Exec(Option_t* /*option*/)
+void AliZDCDigitizer::Digitize(Option_t* /*option*/)
{
// Execute digitization
// ### 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;
+ Float_t signalTime0 = 0.;
// loop over input streams
- for(Int_t iInput = 0; iInput<fManager->GetNinputs(); iInput++){
+ for(Int_t iInput = 0; iInput<fDigInput->GetNinputs(); 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(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){
- AliWarning(Form("\t %f of ZDC signal 4 det.(%d, %d) out of ADC gate\n",
- fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1)));
+ 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)]);
*/
}
if(!header) continue;
AliGenEventHeader* genHeader = header->GenEventHeader();
if(!genHeader) continue;
- if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue;
- 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 = %f 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);
- }
-
- // Applying fragmentation algorithm and adding spectator signal
- if(impPar >= 0) {
- 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 added\n",freeSpecNProj);
- SpectatorSignal(2, freeSpecPProj, pm);
- printf(" AliZDCDigitizer -> Signal for %d PROJ free spectator p added\n",freeSpecPProj);
- SpectatorSignal(3, freeSpecNTarg, pm);
- printf(" AliZDCDigitizer -> Signal for %d TARG free spectator n added\n",freeSpecNTarg);
- SpectatorSignal(4, freeSpecPTarg, pm);
- printf(" AliZDCDigitizer -> Signal for %d TARG free spectator p added\n",freeSpecPTarg);
+ AliGenHijingEventHeader *hijingHeader = 0;
+ if(genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) hijingHeader = dynamic_cast <AliGenHijingEventHeader*> (genHeader);
+ else if(genHeader->InheritsFrom(AliGenCocktailEventHeader::Class())){
+ TList* listOfHeaders = ((AliGenCocktailEventHeader*) genHeader)->GetHeaders();
+ if(listOfHeaders){
+ for(Int_t iH = 0; iH < listOfHeaders->GetEntries(); ++iH) {
+ AliGenEventHeader *currHeader = dynamic_cast <AliGenEventHeader *> (listOfHeaders->At(iH));
+ if (currHeader && currHeader->InheritsFrom(AliGenHijingEventHeader::Class())) {
+ hijingHeader = dynamic_cast <AliGenHijingEventHeader*> (currHeader);
+ break;
+ }
+ }
+ }
+ else{
+ printf(" No list of headers from generator \n");
+ }
+ }
+ if(!hijingHeader){
+ printf(" No HIJING header found in list of headers from generator\n");
+ }
+
+ if(hijingHeader && fSpectators2Track==kTRUE){
+ impPar = hijingHeader->ImpactParameter();
+ specNProj = hijingHeader->ProjSpectatorsn();
+ specPProj = hijingHeader->ProjSpectatorsp();
+ specNTarg = hijingHeader->TargSpectatorsn();
+ specPTarg = hijingHeader->TargSpectatorsp();
+ /*printf("\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
+ 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);
+ //printf("\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);
+ //printf("\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");
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.)
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
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.)
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());
}
+//_____________________________________________________________________________
+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] = (int) (data[0]);
+ det[ir] = (int) (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]);
+ }
+ }
+ //
+ printf("\n AliZDCDigitizer::ReadPMTGains -> 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);
+ }
+ }
+ }
+ //
+ printf("\n AliZDCDigitizer::ReadPMTGains -> 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) || ((fBeamType.CompareTo("P-A")) == 0)
+ || ((fBeamType.CompareTo("A-p")) == 0) || ((fBeamType.CompareTo("A-P")) == 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);
+ }
+ }
+ }
+ printf("\n AliZDCDigitizer::ReadPMTGains -> 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) || ((fBeamType.CompareTo("p-p"))) ){
+ // 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;
+ //
+ printf("\n AliZDCDigitizer::CalculatePMTGains -> 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
+ }
+ printf("\n AliZDCDigitizer::CalculatePMTGains -> 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) || ((fBeamType.CompareTo("P-A"))) ){
+ // 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.;
+ Float_t npartScalingFactor = 208./15.;
+
+ 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)
+ if(j<2) fPMGain[2][j] = npartScalingFactor*100000./scalGainFactor; // ZEM (Pb)
+ // Npart max scales from 400 in Pb-Pb to ~8 in pPb -> *40.
+ fPMGain[3][j] = npartScalingFactor*50000/(4*scalGainFactor); // ZNA (Pb)
+ fPMGain[4][j] = npartScalingFactor*100000/(5*scalGainFactor); // ZPA (Pb)
+ }
+ printf("\n AliZDCDigitizer::CalculatePMTGains -> 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]);
+ }
+ else if(((fBeamType.CompareTo("A-p")) == 0) || ((fBeamType.CompareTo("A-P"))) ){
+ // PTM gains for Pb-Pb @ 1.38+1.38 A TeV on side
+ // 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.;
+ Float_t npartScalingFactor = 208./15.;
+
+ for(Int_t j = 0; j < 5; j++){
+ fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000; //ZNA (p)
+ fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000; //ZPA (p)
+ // Npart max scales from 400 in Pb-Pb to ~8 in pPb -> *40.
+ fPMGain[1][j] = npartScalingFactor*50000/(4*scalGainFactor); // ZNC (Pb)
+ fPMGain[2][j] = npartScalingFactor*100000/(5*scalGainFactor); // ZPC (Pb)
+ }
+ fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000; // ZEM (pp)
+ fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000; // ZEM (pp)
+ printf("\n AliZDCDigitizer::CalculatePMTGains -> 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
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;
}
//_____________________________________________________________________________
-void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents,
- Float_t pm[5][5]) const
+void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, Float_t pm[5][5])
{
// 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 = "$ALICE_ROOT/ZDC/ZPCSignal.root";
+ if(!fSpectatorData) fSpectatorData = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root");
+ if(!fSpectatorData || !fSpectatorData->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 ");
+ fSpectatorData->cd("energy5500");
+ //
+ if(SpecType == 1) { // --- Signal for projectile spectator neutrons
+ fSpectatorData->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
+ fSpectatorData->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
+ fSpectatorData->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
+ fSpectatorData->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 ");
+ fSpectatorData->cd("energy2760");
+ //
+ if(SpecType == 1) { // --- Signal for projectile spectator neutrons
+ fSpectatorData->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
+ fSpectatorData->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
+ fSpectatorData->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
+ fSpectatorData->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;
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));
+ AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents));
numEvents = 125;
}
for(pl=0;pl<numEvents;pl++){
}
}while(iev<numEvents);
- file->Close();
- delete file;
}
{
// 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;
}
return calibdata;
}
-//_____________________________________________________________________________
-AliZDCCalib* AliZDCDigitizer::GetCalibData() const
-{
-
- // Getting calibration object for ZDC set
-
- AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/EMDCalib");
- if(!entry) AliFatal("No calibration data loaded!");
-
- AliZDCCalib *calibdata = dynamic_cast<AliZDCCalib*> (entry->GetObject());
- if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
-
- return calibdata;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff