#include "AliGenHijingEventHeader.h"
#include "AliRunDigitizer.h"
#include "AliRunLoader.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;
+class AliZDCEnCalib;
+class AliZDCTowerCalib;
ClassImp(AliZDCDigitizer)
//____________________________________________________________________________
AliZDCDigitizer::AliZDCDigitizer() :
fIsCalibration(0),
+ fIsSignalInADCGate(kFALSE),
+ fFracLostSignal(0.),
fPedData(0),
- fCalibData(0)
+ fEnCalibData(0),
+ fTowCalibData(0),
+ fSpectators2Track(kFALSE)
{
-// Default constructor
+ // Default constructor
}
AliZDCDigitizer::AliZDCDigitizer(AliRunDigitizer* manager):
AliDigitizer(manager),
fIsCalibration(0), //By default the simulation doesn't create calib. data
+ fIsSignalInADCGate(kFALSE),
+ fFracLostSignal(0.),
fPedData(GetPedData()),
- fCalibData(GetCalibData())
+ fEnCalibData(GetEnCalibData()),
+ fTowCalibData(GetTowCalibData()),
+ fSpectators2Track(kFALSE)
{
// Get calibration data
if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n");
-
+ for(Int_t i=0; i<6; i++){
+ for(Int_t j=0; j<5; j++)
+ fPMGain[i][j] = 0.;
+ }
}
//____________________________________________________________________________
AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer):
AliDigitizer(),
fIsCalibration(digitizer.fIsCalibration),
+ fIsSignalInADCGate(digitizer.fIsSignalInADCGate),
+ fFracLostSignal(digitizer.fFracLostSignal),
fPedData(digitizer.fPedData),
- fCalibData(digitizer.fCalibData)
+ fEnCalibData(digitizer.fEnCalibData),
+ fTowCalibData(digitizer.fTowCalibData),
+ fSpectators2Track(digitizer.fSpectators2Track)
{
// Copy constructor
}
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");
+ 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!");
+
+ TString beamType = grpData->GetBeamType();
+ if(beamType==AliGRPObject::GetInvalidString()){
+ AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n");
+ }
+
+ Float_t beamEnergy = grpData->GetBeamEnergy();
+ if(beamEnergy==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");
+ beamEnergy = 0.;
+ }
+
+ if((beamType.CompareTo("P-P")) == 0){
+ //PTM gains rescaled to beam energy for p-p
+ if(beamEnergy != 0){
+ for(Int_t j = 0; j < 5; j++){
+ fPMGain[0][j] = (661.444/beamEnergy+0.000740671)*10000000;
+ fPMGain[1][j] = (864.350/beamEnergy+0.002344)*10000000;
+ fPMGain[2][j] = (1.32312-0.000101515*beamEnergy)*10000000;
+ fPMGain[3][j] = fPMGain[0][j];
+ fPMGain[4][j] = fPMGain[1][j] ;
+ }
+ AliInfo(Form(" PMT gains for p-p @ %1.0f+%1.0f: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n",
+ beamEnergy, beamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][0]));
+ }
+ }
+ else if((beamType.CompareTo("A-A")) == 0){
+ // PTM gains for Pb-Pb @ 2.7_2.7 A TeV ***************
+ 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
fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
// !!! 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++)
// impact parameter and number of spectators
Float_t impPar = -1;
- Int_t specN = 0;
- Int_t specP = 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++){
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);
+
+ 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);
+ }
+
}
- // 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(" 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);
}
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::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("$ALICE_ROOT/ZDC/ZNsignalntu.root");
- } else if(SpecType == 2) { // --- Signal for spectator protons
- file = TFile::Open("$ALICE_ROOT/ZDC/ZPsignalntu.root");
+
+ 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";
+ }
+ else if(SpecType == 3) { // --- Signal for target spectator neutrons
+ hfn = "$ALICE_ROOT/ZDC/ZNASignal.root";
+ }
+ else if(SpecType == 4) { // --- Signal for target spectator protons
+ hfn = "$ALICE_ROOT/ZDC/ZPASignal.root";
}
+
+ TFile* file = TFile::Open(hfn);
if(!file || !file->IsOpen()) {
- AliError("Opening of file failed");
+ AliError((Form(" Opening file %s failed\n",hfn.Data())));
return;
}
TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal");
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);
+ 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;
{
// 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;
}
}
//_____________________________________________________________________________
-AliZDCCalib* AliZDCDigitizer::GetCalibData() const
+AliZDCEnCalib* AliZDCDigitizer::GetEnCalibData() const
+{
+
+ // Getting calibration object for ZDC set
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/EnergyCalib");
+ if(!entry) AliFatal("No calibration data loaded!");
+
+ AliZDCEnCalib *calibdata = dynamic_cast<AliZDCEnCalib*> (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/EMDCalib");
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/TowerCalib");
if(!entry) AliFatal("No calibration data loaded!");
- AliZDCCalib *calibdata = dynamic_cast<AliZDCCalib*> (entry->GetObject());
+ AliZDCTowerCalib *calibdata = dynamic_cast<AliZDCTowerCalib*> (entry->GetObject());
if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
return calibdata;
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