// //
///////////////////////////////////////////////////////////////////////////////
+// --- 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 AliZDCCalibData;
+class AliZDCPedestals;
ClassImp(AliZDCDigitizer)
//____________________________________________________________________________
-AliZDCDigitizer::AliZDCDigitizer()
+AliZDCDigitizer::AliZDCDigitizer() :
+ fIsCalibration(0),
+ fIsSignalInADCGate(kFALSE),
+ fFracLostSignal(0.),
+ fPedData(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()),
+ fSpectators2Track(kFALSE),
+ fBeamEnergy(0.),
+ fBeamType(""),
+ fIspASystem(kFALSE),
+ fIsRELDISgen(kFALSE),
+ fSpectatorData(NULL)
{
- fIsCalibration=0; //By default the simulation doesn't create calib. data
-// fIsCalibration=1; //To create calib. data
// 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
-
+ if(fSpectatorData!=NULL){
+ fSpectatorData->Close();
+ delete fSpectatorData;
+ }
}
//____________________________________________________________________________
AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer):
- AliDigitizer()
+ AliDigitizer(),
+ fIsCalibration(digitizer.fIsCalibration),
+ fIsSignalInADCGate(digitizer.fIsSignalInADCGate),
+ fFracLostSignal(digitizer.fFracLostSignal),
+ fPedData(digitizer.fPedData),
+ 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];
- fIsCalibration = digitizer.fIsCalibration;
- fCalibData = digitizer.fCalibData;
+
}
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
// !!! 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!
+ // --- 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++)
// ### 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;
- 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; 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;
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();
+ 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, # generated spectator n = %d,"
- " # generated spectator p = %d\n", impPar, specN, specP);
- }
-
- // 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);
+ 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");
treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize);
// Create digits
- Int_t sector[2], sectorL[2];
- Int_t digi[2], digiL[2], digioot[2];
- for(sector[0]=1; sector[0]<=3; sector[0]++){
+ 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);
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);
- 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.)
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;}
+ 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);
}
- /*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(sector[0]=1; sector[0]<=3; sector[0]++){
+ 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
}
- /*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();
- //
- if(sector[0]==1 || sector[0]==2){
- sectorL[0] = sector[0]+3;
- sectorL[1] = sector[1];
- for(Int_t res=0; res<2; res++){
- digioot[res] = Pedestal(sectorL[0], sectorL[1], res); // out-of-time ADCs
- }
- /*printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
- sectorL[0], sectorL[1], digioot[0], digioot[1]); // Chiara debugging!
- */
- //
- new(pdigit) AliZDCDigit(sectorL, 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
{
// 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) (frag.DeuteronNumber());
+ 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[3][5]) const
+void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, Float_t pm[5][5])
{
// add signal of the spectators
-
- TFile* file = NULL;
- if(SpecType == 1) { // --- Signal for spectator neutrons
- file = TFile::Open("$ALICE_ROOT/ZDC/ZNsignalntu.root");
- } else if(SpecType == 2) { // --- Signal for spectator protons
- file = TFile::Open("$ALICE_ROOT/ZDC/ZPsignalntu.root");
- }
- if(!file || !file->IsOpen()) {
- AliError("Opening of file failed");
+
+ if(!fSpectatorData) fSpectatorData = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root");
+ if(!fSpectatorData || !fSpectatorData->IsOpen()) {
+ AliError((" Opening file $ALICE_ROOT/ZDC/SpectatorSignal.root failed\n"));
return;
}
- TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal");
+ 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(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");
+ }
+ }
+
+ 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));
+ AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents));
numEvents = 125;
}
for(pl=0;pl<numEvents;pl++){
entry = zdcSignal->GetArgs();
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],
}
else {
if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1
- else pm[2][2] += lightQ; // ZEM 2
+ else pm[2][2] += lightQ; // ZEM 2
//printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]);
}
}
}
}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,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;
}
{
// Returns a pedestal for detector det, PM quad, channel with res.
//
- Float_t PedValue;
-
+ Float_t pedValue;
// Normal run
if(fIsCalibration == 0){
- Float_t meanPed, Pedwidth;
- Int_t index=0;
+ Int_t index=0, kNch=24;
if(Quad!=5){
- if(Det==1 || Det==2) index = 10*(Det-1)+Quad+5*Res; // ZN1, ZP1
- else if(Det==3) index = 10*(Det-1)+(Quad-1)+Res; // ZEM
- else if(Det==4 || Det==5) index = 10*(Det-2)+Quad+5*Res+4; // ZN2, ZP2
+ 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 = 10*(Quad-1)+(Det-1)*1/3+2*Res+4; // Reference PMs
+ else index = (Det-1)/3+22+kNch*Res; // Reference PMs
//
- meanPed = fCalibData->GetMeanPed(index);
- Pedwidth = fCalibData->GetMeanPedWidth(index);
- PedValue = gRandom->Gaus(meanPed,Pedwidth);
+ Float_t meanPed = fPedData->GetMeanPed(index);
+ Float_t pedWidth = fPedData->GetMeanPedWidth(index);
+ pedValue = gRandom->Gaus(meanPed,pedWidth);
//
- /*printf("\t Pedestal -> det = %d, quad = %d, res = %d - Ped[%d] = %d\n",
- Det, Quad, Res, index,(Int_t) PedValue); // Chiara debugging!
+ /*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
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
+ 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) PedValue;
+ return (Int_t) pedValue;
}
//_____________________________________________________________________________
}
//_____________________________________________________________________________
-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");
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals");
if(!entry) AliFatal("No calibration data loaded!");
- AliZDCCalibData *calibdata = dynamic_cast<AliZDCCalibData*> (entry->GetObject());
+ AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject());
if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
return calibdata;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff