// //
///////////////////////////////////////////////////////////////////////////////
+// --- 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"
fPedData(0),
fSpectators2Track(kFALSE),
fBeamEnergy(0.),
- fIspASystem(kFALSE)
+ fBeamType(""),
+ fIspASystem(kFALSE),
+ fIsRELDISgen(kFALSE)
{
// Default constructor
for(Int_t i=0; i<2; i++) fADCRes[i]=0.;
fPedData(GetPedData()),
fSpectators2Track(kFALSE),
fBeamEnergy(0.),
- fIspASystem(kFALSE)
+ fBeamType(""),
+ fIspASystem(kFALSE),
+ fIsRELDISgen(kFALSE)
{
// Get calibration data
if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n");
fPedData(digitizer.fPedData),
fSpectators2Track(digitizer.fSpectators2Track),
fBeamEnergy(digitizer.fBeamEnergy),
- fIspASystem(digitizer.fIspASystem)
+ fBeamType(digitizer.fBeamType),
+ fIspASystem(digitizer.fIspASystem),
+ fIsRELDISgen(digitizer.fIsRELDISgen)
{
// Copy constructor
{
// Initialize the digitizer
+
+ //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;
return kFALSE;
}
- TString beamType = grpData->GetBeamType();
- if(beamType==AliGRPObject::GetInvalidString()){
+ fBeamType = grpData->GetBeamType();
+ if(fBeamType==AliGRPObject::GetInvalidString()){
AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n");
}
- fBeamEnergy = grpData->GetBeamEnergy();
- printf("\t AliZDCDigitizer -> beam energy = %f GeV\n", fBeamEnergy);
- 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((((beamType.CompareTo("P-P")) == 0) || ((beamType.CompareTo("p-p")) == 0)) && (!fIspASystem)){
- // 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(Form(" PMT gains for p-p @ %1.0f+%1.0f GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n",
- fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1]));
+ // 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.;
}
- else{ // for RELDIS simulation @ sqrt(s_{NN}) = 2.76 TeV
- Float_t scalGainFactor = 0.5;
- for(Int_t j = 0; j < 5; j++){
- fPMGain[0][j] = 50000./scalGainFactor; // ZNC
- fPMGain[1][j] = 100000./scalGainFactor; // ZPC
- fPMGain[2][j] = 100000./scalGainFactor; // ZEM
- fPMGain[3][j] = 50000./scalGainFactor; // ZNA
- fPMGain[4][j] = 100000./scalGainFactor; // ZPA
- }
- //
- printf(Form(" PMT gains for RELDIS simulation: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n",
- fPMGain[0][0], fPMGain[1][0], fPMGain[2][1]));
- }
- }
- else if((beamType.CompareTo("A-A")) == 0 && !fIspASystem){
- // 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(Form(" 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]));
}
- if(fIspASystem){
- // 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 = 0.5;
- Float_t fpBeamEnergy = 3500.;
-
- for(Int_t j = 0; j < 5; j++){
- fPMGain[0][j] = 1.350938*(661.444/fpBeamEnergy+0.000740671)*10000000; //ZNC (p)
- fPMGain[1][j] = 0.678597*(864.350/fpBeamEnergy+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)
- }
- printf(Form(" 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]));
+ /*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("\t AliZDCDigitizer -> spectator signal added at digit level\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
// ### 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(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.;
}
}
if(genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) hijingHeader = dynamic_cast <AliGenHijingEventHeader*> (genHeader);
else if(genHeader->InheritsFrom(AliGenCocktailEventHeader::Class())){
TList* listOfHeaders = ((AliGenCocktailEventHeader*) genHeader)->GetHeaders();
- 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{
+ printf(" No list of headers from generator \n");
+ }
+ }
+ if(!hijingHeader){
+ printf(" No HIJING header found in list of headers from generator\n");
}
- if(!hijingHeader) continue;
-
- printf("fSpectators2Track %d fIspASystem%d \n",fSpectators2Track,fIspASystem);
- if((fSpectators2Track==kTRUE) && (fIspASystem==kFALSE)){
- impPar = hijingHeader->ImpactParameter();
+ if(hijingHeader && fSpectators2Track==kTRUE){
+ impPar = hijingHeader->ImpactParameter();
specNProj = hijingHeader->ProjSpectatorsn();
specPProj = hijingHeader->ProjSpectatorsp();
specNTarg = hijingHeader->TargSpectatorsn();
specPTarg = hijingHeader->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",
+ 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
- //if((fSpectators2Track==kTRUE) && impPar && (fIspASystem==kFALSE) {
- 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("\t AliZDCDigitizer -> Adding signal for %d PROJ free spectator n",freeSpecNProj);
- SpectatorSignal(2, freeSpecPProj, pm);
- printf(" and %d free spectator p\n",freeSpecPProj);
- SpectatorSignal(3, freeSpecNTarg, pm);
- printf("\t AliZDCDigitizer -> Adding signal for %d TARG free spectator n",freeSpecNTarg);
- SpectatorSignal(4, freeSpecPTarg, pm);
- printf(" and %d free spectator p\n\n",freeSpecPTarg);
+ // Applying fragmentation algorithm and adding spectator signal
+ Int_t freeSpecNProj=0, freeSpecPProj=0;
+ if(specNProj!=0 || specPProj!=0) Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj);
+ Int_t freeSpecNTarg=0, freeSpecPTarg=0;
+ if(specNTarg!=0 || specPTarg!=0) Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg);
+ if(freeSpecNProj!=0) SpectatorSignal(1, freeSpecNProj, pm);
+ if(freeSpecPProj!=0) SpectatorSignal(2, freeSpecPProj, pm);
+ 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);
+ }
}
//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] = data[0];
+ det[ir] = data[1];
+ gain[ir] = data[2];
+ aEne[ir] = data[3];
+ bEne[ir] = data[4];
+ }
+ fclose(fdata);
+
+ if(((fBeamType.CompareTo("P-P")) == 0)){
+ for(int i=0; i<12; i++){
+ if(beam[i]==0 && fBeamEnergy!=0.){
+ if(det[i]!=31 && det[i]!=32){
+ for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]*(aEne[i]/fBeamEnergy+bEne[i]);
+ }
+ else if(det[i] == 31) fPMGain[2][1] = gain[i]*(aEne[i]-fBeamEnergy*bEne[i]);
+ else if(det[i] == 32) fPMGain[2][2] = gain[i]*(aEne[i]-fBeamEnergy*bEne[i]);
+ }
+ }
+ //
+ 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
TNtuple* zdcSignal=0x0;
Float_t sqrtS = 2*fBeamEnergy;
- if(fIspASystem) sqrtS = 2760.;
//
if(TMath::Abs(sqrtS-5500) < 100.){
+ AliInfo(" Extracting signal from SpectatorSignal/energy5500 ");
specSignalFile->cd("energy5500");
//
if(SpecType == 1) { // --- Signal for projectile spectator neutrons
}
}
else if(TMath::Abs(sqrtS-2760) < 100.){
+ AliInfo(" Extracting signal from SpectatorSignal/energy2760 ");
specSignalFile->cd("energy2760");
//
if(SpecType == 1) { // --- Signal for projectile spectator neutrons
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff