// //
///////////////////////////////////////////////////////////////////////////////
+// --- Standard libraries
#include <stdlib.h>
+#include <stdio.h>
// --- ROOT system
#include <TTree.h>
fBeamEnergy(0.),
fBeamType(""),
fIspASystem(kFALSE),
- fIsRELDISgen(kFALSE)
+ fIsRELDISgen(kFALSE),
+ fSpectatorData(0)
{
// Default constructor
for(Int_t i=0; i<2; i++) fADCRes[i]=0.;
fBeamEnergy(0.),
fBeamType(""),
fIspASystem(kFALSE),
- fIsRELDISgen(kFALSE)
+ fIsRELDISgen(kFALSE),
+ fSpectatorData(NULL)
{
// Get calibration data
if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n");
AliZDCDigitizer::~AliZDCDigitizer()
{
// Destructor
-// Not implemented
+ if(fSpectatorData!=NULL){
+ fSpectatorData->Close();
+ delete fSpectatorData;
+ }
}
fBeamEnergy(digitizer.fBeamEnergy),
fBeamType(digitizer.fBeamType),
fIspASystem(digitizer.fIspASystem),
- fIsRELDISgen(digitizer.fIsRELDISgen)
+ fIsRELDISgen(digitizer.fIsRELDISgen),
+ fSpectatorData(digitizer.fSpectatorData)
{
// Copy constructor
}
}
- if(fIspASystem){
+ /*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);
+ 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");
+ }
- CalculatePMTGains();
-
// 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
// ### 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 = 0;
if(genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) hijingHeader = dynamic_cast <AliGenHijingEventHeader*> (genHeader);
else if(genHeader->InheritsFrom(AliGenCocktailEventHeader::Class())){
TList* listOfHeaders = ((AliGenCocktailEventHeader*) genHeader)->GetHeaders();
- if(listOfHeaders) hijingHeader = dynamic_cast <AliGenHijingEventHeader*> (listOfHeaders->FindObject("Hijing"));
+ 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{
- AliWarning(" No list of headers from generator -> skipping event\n");
- continue;
+ printf(" No list of headers from generator \n");
}
}
- if(!hijingHeader) continue;
+ if(!hijingHeader){
+ printf(" No HIJING header found in list of headers from generator\n");
+ }
- if(fSpectators2Track==kTRUE){
+ if(hijingHeader && fSpectators2Track==kTRUE){
impPar = hijingHeader->ImpactParameter();
specNProj = hijingHeader->ProjSpectatorsn();
specPProj = hijingHeader->ProjSpectatorsp();
specNTarg = hijingHeader->TargSpectatorsn();
specPTarg = hijingHeader->TargSpectatorsp();
- AliInfo(Form("\t AliZDCDigitizer: b = %1.2f fm\n"
+ /*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));
+ impPar, specNProj, specPProj, specNTarg, specPTarg);*/
// Applying fragmentation algorithm and adding spectator signal
Int_t freeSpecNProj=0, freeSpecPProj=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));
+ //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);
- AliInfo(Form("\t AliZDCDigitizer -> Adding spectator signal for TARGET: %d free n and %d free p\n",freeSpecNTarg,freeSpecPTarg));
+ //printf("\t AliZDCDigitizer -> Adding spectator signal for TARGET: %d free n and %d free p\n",freeSpecNTarg,freeSpecPTarg);
}
}
//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!
+ // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging!
}
} // Loop over detector
}
+//_____________________________________________________________________________
+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)){
+ 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)
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]));
+ 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]);
}
}
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]));
+ 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)){
+ 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*82/(208*2760.);
+ 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)
- fPMGain[2][j] = 100000./scalGainFactor; // ZEM (Pb)
- fPMGain[3][j] = 50000./(4*scalGainFactor); // ZNA (Pb)
- fPMGain[4][j] = 100000./(5*scalGainFactor); // ZPA (Pb)
+ 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)
}
- 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]));
+ 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::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
- TFile *specSignalFile = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root");
- if(!specSignalFile || !specSignalFile->IsOpen()) {
+ 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;
}
//
if(TMath::Abs(sqrtS-5500) < 100.){
AliInfo(" Extracting signal from SpectatorSignal/energy5500 ");
- specSignalFile->cd("energy5500");
+ fSpectatorData->cd("energy5500");
//
if(SpecType == 1) { // --- Signal for projectile spectator neutrons
- specSignalFile->GetObject("energy5500/ZNCSignal;1",zdcSignal);
+ 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
- specSignalFile->GetObject("energy5500/ZPCSignal;1",zdcSignal);
+ 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
- specSignalFile->GetObject("energy5500/ZNASignal;1",zdcSignal);
+ 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
- specSignalFile->GetObject("energy5500/ZPASignal;1",zdcSignal);
+ 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 ");
- specSignalFile->cd("energy2760");
+ fSpectatorData->cd("energy2760");
//
if(SpecType == 1) { // --- Signal for projectile spectator neutrons
- specSignalFile->GetObject("energy2760/ZNCSignal;1",zdcSignal);
+ 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
- specSignalFile->GetObject("energy2760/ZPCSignal;1",zdcSignal);
+ 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
- specSignalFile->GetObject("energy2760/ZNASignal;1",zdcSignal);
+ 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
- specSignalFile->GetObject("energy2760/ZPASignal;1",zdcSignal);
+ fSpectatorData->GetObject("energy2760/ZPASignal;1",zdcSignal);
if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file");
}
}
}
}while(iev<numEvents);
- specSignalFile->Close();
- delete specSignalFile;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff