if(!fMerger){
printf(" ZDC digitization (without merging)\n");
- AliZDCMergedHit *MHit;
+ AliZDCMergedHit *mHit;
Int_t j, sector[2];
- Float_t MHits[7];
+ Float_t mHits[7];
fNMergedhits = 0;
TTree *treeH = TreeH();
zdcHit = (AliZDCHit*)this->NextHit()){
for(j=0; j<2; j++) sector[j] = zdcHit->GetVolume(j);
- MHits[0] = zdcHit->GetPrimKinEn();
- MHits[1] = zdcHit->GetXImpact();
- MHits[2] = zdcHit->GetYImpact();
- MHits[3] = zdcHit->GetSFlag();
- MHits[4] = zdcHit->GetLightPMQ();
- MHits[5] = zdcHit->GetLightPMC();
- MHits[6] = zdcHit->GetEnergy();
+ mHits[0] = zdcHit->GetPrimKinEn();
+ mHits[1] = zdcHit->GetXImpact();
+ mHits[2] = zdcHit->GetYImpact();
+ mHits[3] = zdcHit->GetSFlag();
+ mHits[4] = zdcHit->GetLightPMQ();
+ mHits[5] = zdcHit->GetLightPMC();
+ mHits[6] = zdcHit->GetEnergy();
}//Hits loop
- MHit = new AliZDCMergedHit(sector, MHits);
- new((*fMergedHits)[fNMergedhits]) AliZDCMergedHit(*MHit);
+ mHit = new AliZDCMergedHit(sector, mHits);
+ new((*fMergedHits)[fNMergedhits]) AliZDCMergedHit(*mHit);
TClonesArray &sdigits = *fMergedHits;
- new (sdigits[fNMergedhits]) AliZDCMergedHit(*MHit);
+ new (sdigits[fNMergedhits]) AliZDCMergedHit(*mHit);
fNMergedhits++;
- delete MHit;
+ delete mHit;
}
fLoader->TreeS()->Fill();
fLoader->TreeS()->AutoSave();
if(branchSD) branchSD->SetAddress(&fMergedHits);
else if(!branchSD) MakeBranchInTreeS(treeS);
}
- AliZDCMergedHit *MHit;
+ AliZDCMergedHit *mHit;
TClonesArray &sdigits = *fMergedHits;
Int_t imhit;
//Merged Hits loop
for(imhit=0; imhit<fNMergedhits; imhit++){
- MHit = (AliZDCMergedHit*) fMergedHits->UncheckedAt(imhit);
- new (sdigits[imhit]) AliZDCMergedHit(*MHit);
+ mHit = (AliZDCMergedHit*) fMergedHits->UncheckedAt(imhit);
+ new (sdigits[imhit]) AliZDCMergedHit(*mHit);
}
treeS->Fill();
treeS->AutoSave();
void AliZDC::Digits2Reco()
{
printf(" Entering AliZDC::Digits2Reco\n");
- AliDetector *ZDC = gAlice->GetDetector("ZDC");
- TClonesArray *ZDCdigits = ZDC->Digits();
+ AliDetector *zdcd = gAlice->GetDetector("ZDC");
+ TClonesArray *zdcdigits = zdcd->Digits();
- TTree *TD = fLoader->TreeD();
- if (TD == 0x0)
+ TTree *td = fLoader->TreeD();
+ if (td == 0x0)
{
Int_t retval = fLoader->LoadDigits();
if (retval)
Error("Digits2Reco","Error while loading Digits");
return;
}
- TD = fLoader->TreeD();
+ td = fLoader->TreeD();
}
- if(TD){
+ if(td){
char brname[20];
- sprintf(brname,"%s",ZDC->GetName());
- TBranch *br = TD->GetBranch(brname);
- if(br) br->SetAddress(&ZDCdigits);
+ sprintf(brname,"%s",zdcd->GetName());
+ TBranch *br = td->GetBranch(brname);
+ if(br) br->SetAddress(&zdcdigits);
}
- else if(!TD) printf(" ERROR -> TreeD NOT found in gAlice object\n");
+ else if(!td) printf(" ERROR -> TreeD NOT found in gAlice object\n");
- Int_t nt = (Int_t) (TD->GetEntries());
+ Int_t nt = (Int_t) (td->GetEntries());
gAlice->ResetDigits();
AliZDCDigit *dig;
- Int_t j, idig, ndigits, ZNraw=0, ZPraw=0, ZEMraw=0;
+ Int_t j, idig, ndigits, znraw=0, zpraw=0, zemraw=0;
// --- Summing raw ADCs for each detector to obtain total light
for(j=0; j<nt; j++){
- TD->GetEvent(j);
- ndigits = ZDCdigits->GetEntries();
- ZNraw=0;
- ZPraw=0;
- ZEMraw=0;
+ td->GetEvent(j);
+ ndigits = zdcdigits->GetEntries();
+ znraw=0;
+ zpraw=0;
+ zemraw=0;
// --- Loop over event digits
for(idig=0; idig<ndigits; idig++){
- dig = (AliZDCDigit*) ZDCdigits->UncheckedAt(idig);
- if(dig->GetSector(0) == 1) ZNraw += dig->GetADCValue();
- else if(dig->GetSector(0) == 2) ZPraw += dig->GetADCValue();
- else if(dig->GetSector(0) == 3) ZEMraw += dig->GetADCValue();
+ dig = (AliZDCDigit*) zdcdigits->UncheckedAt(idig);
+ if(dig->GetSector(0) == 1) znraw += dig->GetADCValue();
+ else if(dig->GetSector(0) == 2) zpraw += dig->GetADCValue();
+ else if(dig->GetSector(0) == 3) zemraw += dig->GetADCValue();
} // Digits loop
} // TreeD entries loop
- printf("\n --- ZNraw = %d, ZPraw = %d, ZEMraw = %d\n",ZNraw, ZPraw, ZEMraw);
+ printf("\n --- znraw = %d, zpraw = %d, zemraw = %d\n",znraw, zpraw, zemraw);
// --- Pedestal subtraction
- Int_t ZNcorr, ZPcorr, ZEMcorr, MeanPed=50;
- ZNcorr = ZNraw - 5*MeanPed;
- ZPcorr = ZPraw - 5*MeanPed;
- ZEMcorr = ZEMraw - 2*MeanPed;
- if(ZNcorr<0) ZNcorr=0;
- if(ZPcorr<0) ZPcorr=0;
- if(ZEMcorr<0) ZEMcorr=0;
- printf("\n ZNcorr = %d, ZPcorr = %d, ZEMcorr = %d\n",ZNcorr,ZPcorr,ZEMcorr);
+ Int_t zncorr, zpcorr, zemcorr, meanPed=50;
+ zncorr = znraw - 5*meanPed;
+ zpcorr = zpraw - 5*meanPed;
+ zemcorr = zemraw - 2*meanPed;
+ if(zncorr<0) zncorr=0;
+ if(zpcorr<0) zpcorr=0;
+ if(zemcorr<0) zemcorr=0;
+ printf("\n zncorr = %d, zpcorr = %d, zemcorr = %d\n",zncorr,zpcorr,zemcorr);
// --- ADCchannel -> photoelectrons
// NB-> PM gain = 10^(5), ADC resolution = 6.4*10^(-7)
- Float_t ZNphe, ZPphe, ZEMphe, ConvFactor = 0.064;
- ZNphe = ZNcorr/ConvFactor;
- ZPphe = ZPcorr/ConvFactor;
- ZEMphe = ZEMcorr/ConvFactor;
- printf("\n ZNphe = %f, ZPphe = %f, ZEMphe = %f\n",ZNphe, ZPphe, ZEMphe);
+ Float_t znphe, zpphe, zemphe, convFactor = 0.064;
+ znphe = zncorr/convFactor;
+ zpphe = zpcorr/convFactor;
+ zemphe = zemcorr/convFactor;
+ printf("\n znphe = %f, zpphe = %f, zemphe = %f\n",znphe, zpphe, zemphe);
// --- Energy calibration
// Conversion factors for hadronic ZDCs goes from phe yield to TRUE incident
// NB -> ZN and ZP conversion factors are constant since incident spectators
// have all the same energy, ZEM energy is obtained through a fit over the whole
// range of incident particle energies (obtained with full HIJING simulations)
- Float_t ZNenergy, ZPenergy, ZEMenergy, ZDCenergy;
- Float_t ZNphexTeV=329., ZPphexTeV=369.;
- ZNenergy = ZNphe/ZNphexTeV;
- ZPenergy = ZPphe/ZPphexTeV;
- ZDCenergy = ZNenergy+ZPenergy;
- ZEMenergy = -4.81+0.3238*ZEMphe;
- if(ZEMenergy<0) ZEMenergy=0;
- printf(" ZNenergy = %f TeV, ZPenergy = %f TeV, ZDCenergy = %f GeV, "
- "\n ZEMenergy = %f TeV\n", ZNenergy, ZPenergy,
- ZDCenergy, ZEMenergy);
+ Float_t znenergy, zpenergy, zemenergy, zdcenergy;
+ Float_t znphexTeV=329., zpphexTeV=369.;
+ znenergy = znphe/znphexTeV;
+ zpenergy = zpphe/zpphexTeV;
+ zdcenergy = znenergy+zpenergy;
+ zemenergy = -4.81+0.3238*zemphe;
+ if(zemenergy<0) zemenergy=0;
+ printf(" znenergy = %f TeV, zpenergy = %f TeV, zdcenergy = %f GeV, "
+ "\n zemenergy = %f TeV\n", znenergy, zpenergy,
+ zdcenergy, zemenergy);
- if(ZDCenergy==0)
- printf("\n\n ### ATTENZIONE!!! -> ev# %d: ZNenergy = %f TeV, ZPenergy = %f TeV, ZDCenergy = %f GeV, "
- " ZEMenergy = %f TeV\n\n", fMerger->EvNum(), ZNenergy, ZPenergy, ZDCenergy, ZEMenergy);
+ if(zdcenergy==0)
+ printf("\n\n ### ATTENZIONE!!! -> ev# %d: znenergy = %f TeV, zpenergy = %f TeV, zdcenergy = %f GeV, "
+ " zemenergy = %f TeV\n\n", fMerger->EvNum(), znenergy, zpenergy, zdcenergy, zemenergy);
// --- Number of incident spectator nucleons
- Int_t NDetSpecN, NDetSpecP;
- NDetSpecN = (Int_t) (ZNenergy/2.760);
- NDetSpecP = (Int_t) (ZPenergy/2.760);
- printf("\n NDetSpecN = %d, NDetSpecP = %d\n",NDetSpecN, NDetSpecP);
+ Int_t nDetSpecN, nDetSpecP;
+ nDetSpecN = (Int_t) (znenergy/2.760);
+ nDetSpecP = (Int_t) (zpenergy/2.760);
+ printf("\n nDetSpecN = %d, nDetSpecP = %d\n",nDetSpecN, nDetSpecP);
// --- Number of generated spectator nucleons and impact parameter
// --------------------------------------------------------------------------------------------------
TF1 *fZEMsp = new TF1("fZEMsp","208.7-0.09006*x+0.000009526*x*x",0.,4000.);
TF1 *fZEMb = new TF1("fZEMb","16.06-0.01633*x+1.44e-5*x*x-6.778e-9*x*x*x+1.438e-12*x*x*x*x-1.112e-16*x*x*x*x*x",0.,4000.);
- Int_t NGenSpecN=0, NGenSpecP=0, NGenSpec=0;
- Double_t ImpPar=0;
+ Int_t nGenSpecN=0, nGenSpecP=0, nGenSpec=0;
+ Double_t impPar=0;
// Cut value for Ezem (GeV)
// [1] ### Results in Chiara's PhD thesis -> 0<b<15 fm (Dec 2001)
- //Float_t EZEMCut = 360.;
+ //Float_t eZEMCut = 360.;
// [2] ### Results from a new production -> 0<b<18 fm (Apr 2002)
- Float_t EZEMCut = 420.;
- Float_t DeltaEZEMSup = 690.;
- Float_t DeltaEZEMInf = 270.;
- if(ZEMenergy > (EZEMCut+DeltaEZEMSup)){
- NGenSpecN = (Int_t) (fZNCen->Eval(ZNenergy));
- NGenSpecP = (Int_t) (fZPCen->Eval(ZPenergy));
- NGenSpec = (Int_t) (fZDCCen->Eval(ZDCenergy));
- ImpPar = fbCen->Eval(ZDCenergy);
- //printf(" fZNCen = %f, fZPCen = %f, fZDCCen = %f\n",fZNCen->Eval(ZNenergy),
- // fZPCen->Eval(ZPenergy),fZDCCen->Eval(ZDCenergy));
+ Float_t eZEMCut = 420.;
+ Float_t deltaEZEMSup = 690.;
+ Float_t deltaEZEMInf = 270.;
+ if(zemenergy > (eZEMCut+deltaEZEMSup)){
+ nGenSpecN = (Int_t) (fZNCen->Eval(znenergy));
+ nGenSpecP = (Int_t) (fZPCen->Eval(zpenergy));
+ nGenSpec = (Int_t) (fZDCCen->Eval(zdcenergy));
+ impPar = fbCen->Eval(zdcenergy);
+ //printf(" fZNCen = %f, fZPCen = %f, fZDCCen = %f\n",fZNCen->Eval(znenergy),
+ // fZPCen->Eval(zpenergy),fZDCCen->Eval(zdcenergy));
}
- else if(ZEMenergy < (EZEMCut-DeltaEZEMInf)){
- NGenSpecN = (Int_t) (fZNPer->Eval(ZNenergy));
- NGenSpecP = (Int_t) (fZPPer->Eval(ZPenergy));
- NGenSpec = (Int_t) (fZDCPer->Eval(ZDCenergy));
- ImpPar = fbPer->Eval(ZDCenergy);
- //printf(" fZNPer = %f, fZPPer = %f, fZDCPer = %f\n",fZNPer->Eval(ZNenergy),
- // fZPPer->Eval(ZPenergy),fZDCPer->Eval(ZDCenergy));
+ else if(zemenergy < (eZEMCut-deltaEZEMInf)){
+ nGenSpecN = (Int_t) (fZNPer->Eval(znenergy));
+ nGenSpecP = (Int_t) (fZPPer->Eval(zpenergy));
+ nGenSpec = (Int_t) (fZDCPer->Eval(zdcenergy));
+ impPar = fbPer->Eval(zdcenergy);
+ //printf(" fZNPer = %f, fZPPer = %f, fZDCPer = %f\n",fZNPer->Eval(znenergy),
+ // fZPPer->Eval(zpenergy),fZDCPer->Eval(zdcenergy));
}
- else if(ZEMenergy >= (EZEMCut-DeltaEZEMInf) && ZEMenergy <= (EZEMCut+DeltaEZEMSup)){
- NGenSpecN = (Int_t) (fZEMn->Eval(ZEMenergy));
- NGenSpecP = (Int_t) (fZEMp->Eval(ZEMenergy));
- NGenSpec = (Int_t)(fZEMsp->Eval(ZEMenergy));
- ImpPar = fZEMb->Eval(ZEMenergy);
- //printf(" Nspec ZEM = %f, Nspec ZDC = %f\n",fZEMsp->Eval(ZNenergy),fZDCPer->Eval(ZDCenergy));
+ else if(zemenergy >= (eZEMCut-deltaEZEMInf) && zemenergy <= (eZEMCut+deltaEZEMSup)){
+ nGenSpecN = (Int_t) (fZEMn->Eval(zemenergy));
+ nGenSpecP = (Int_t) (fZEMp->Eval(zemenergy));
+ nGenSpec = (Int_t)(fZEMsp->Eval(zemenergy));
+ impPar = fZEMb->Eval(zemenergy);
+ //printf(" Nspec ZEM = %f, Nspec ZDC = %f\n",fZEMsp->Eval(znenergy),fZDCPer->Eval(zdcenergy));
}
// [1] ### Results in Chiara's PhD thesis -> 0<b<15 fm (Dec 2001)
- /*if(ZNenergy>158.5) NGenSpecN = (Int_t) (fZEMn->Eval(ZEMenergy));
- if(ZPenergy>58.91) NGenSpecP = (Int_t) (fZEMp->Eval(ZEMenergy));
- if(ZDCenergy>220.4) NGenSpec = (Int_t)(fZEMsp->Eval(ZEMenergy));
- if(ZDCenergy>225.) ImpPar = fZEMb->Eval(ZEMenergy);*/
+ /*if(znenergy>158.5) nGenSpecN = (Int_t) (fZEMn->Eval(zemenergy));
+ if(zpenergy>58.91) nGenSpecP = (Int_t) (fZEMp->Eval(zemenergy));
+ if(zdcenergy>220.4) nGenSpec = (Int_t)(fZEMsp->Eval(zemenergy));
+ if(zdcenergy>225.) impPar = fZEMb->Eval(zemenergy);*/
// [2] ### Results from a new production -> 0<b<18 fm (Apr 2002)
- if(ZNenergy>162.) NGenSpecN = (Int_t) (fZEMn->Eval(ZEMenergy));
- if(ZPenergy>59.75) NGenSpecP = (Int_t) (fZEMp->Eval(ZEMenergy));
- if(ZDCenergy>221.5) NGenSpec = (Int_t)(fZEMsp->Eval(ZEMenergy));
- if(ZDCenergy>220.) ImpPar = fZEMb->Eval(ZEMenergy);
+ if(znenergy>162.) nGenSpecN = (Int_t) (fZEMn->Eval(zemenergy));
+ if(zpenergy>59.75) nGenSpecP = (Int_t) (fZEMp->Eval(zemenergy));
+ if(zdcenergy>221.5) nGenSpec = (Int_t)(fZEMsp->Eval(zemenergy));
+ if(zdcenergy>220.) impPar = fZEMb->Eval(zemenergy);
- if(NGenSpecN>125) NGenSpecN=125;
- else if(NGenSpecN<0) NGenSpecN=0;
- if(NGenSpecP>82) NGenSpecP=82;
- else if(NGenSpecP<0) NGenSpecP=0;
- if(NGenSpec>207) NGenSpec=207;
- else if(NGenSpec<0) NGenSpec=0;
- //printf(" NRecSpecN = %d, NRecSpecP = %d, NRecSpec = %d\n",NGenSpecN,NGenSpecP,NGenSpec);
+ if(nGenSpecN>125) nGenSpecN=125;
+ else if(nGenSpecN<0) nGenSpecN=0;
+ if(nGenSpecP>82) nGenSpecP=82;
+ else if(nGenSpecP<0) nGenSpecP=0;
+ if(nGenSpec>207) nGenSpec=207;
+ else if(nGenSpec<0) nGenSpec=0;
+ //printf(" NRecSpecN = %d, NRecSpecP = %d, NRecSpec = %d\n",nGenSpecN,nGenSpecP,nGenSpec);
// --- Number of participants
- Int_t NPart, NPartTot;
- NPart = 207-NGenSpecN-NGenSpecP;
- NPartTot = 207-NGenSpec;
- //printf(" ### NPart(ZP+ZN) = %d, NPart(ZDC) = %d, b = %f fm\n",NPart,NPartTot,ImpPar);
- printf(" ### NPart = %d, b = %f fm\n",NPartTot,ImpPar);
+ Int_t nPart, nPartTot;
+ nPart = 207-nGenSpecN-nGenSpecP;
+ nPartTot = 207-nGenSpec;
+ //printf(" ### nPart(ZP+ZN) = %d, nPart(ZDC) = %d, b = %f fm\n",nPart,nPartTot,impPar);
+ printf(" ### nPart = %d, b = %f fm\n",nPartTot,impPar);
// --- Writing RecPoints TCA
// Allocate the RecPoints TCA
fRecPoints = new TClonesArray("AliZDCReco",1000);
- AliZDCReco *reco = new AliZDCReco(ZNenergy,ZPenergy,ZDCenergy,ZEMenergy,
- NDetSpecN,NDetSpecP,NGenSpecN,NGenSpecP,NGenSpec,NPartTot,ImpPar);
+ AliZDCReco *reco = new AliZDCReco(znenergy,zpenergy,zdcenergy,zemenergy,
+ nDetSpecN,nDetSpecP,nGenSpecN,nGenSpecP,nGenSpec,nPartTot,impPar);
new((*fRecPoints)[fNRecPoints]) AliZDCReco(*reco);
//fNRecPoints++;
//fRecPoints->Dump();