AliHeader *header = gAlice->GetHeader();
AliGenEventHeader* mcHeader = header->GenEventHeader();
fImpPar = ((AliGenHijingEventHeader*) mcHeader)->ImpactParameter();
- Int_t dSpecn = ((AliGenHijingEventHeader*) mcHeader)->Spectatorsn();
- Int_t dSpecp = ((AliGenHijingEventHeader*) mcHeader)->Spectatorsp();
- // Until there is only 1 ZDC set the # of spectators must be divided by 2!!!
- fSpecn = dSpecn/2;
- fSpecp = dSpecp/2;
+ fSpecn = ((AliGenHijingEventHeader*) mcHeader)->ProjSpectatorsn();
+ fSpecp = ((AliGenHijingEventHeader*) mcHeader)->ProjSpectatorsp();
+ //
printf("\n HIJING ev. #%d - b = %f fm, Nspecn = %d, Nspecp = %d\n",
fNEvBgr,fImpPar,fSpecn,fSpecp);
}
Int_t &fFreeSpn, Int_t &fFreeSpp)
{
//printf("\n Fragmentation -> fSpecn = %d, fSpecp = %d\n",fSpecn,fSpecp);
- Int_t j, zz[100], nn[100], nAlpha, Ztot, Ntot;
+ Int_t j, zz[100], nn[100], nAlpha, ztot, ntot;
AliZDCFragment *frag = new AliZDCFragment(fImpPar);
for(j=0; j<=99; j++){
zz[j] =0;
frag->GenerateIMF(zz, nAlpha);
// Attach neutrons
- Ztot=0;
- Ntot=0;
- frag->AttachNeutrons(zz, nn, Ztot, Ntot);
- fFreeSpn = fSpecn-Ntot-2*nAlpha;
- fFreeSpp = fSpecp-Ztot-2*nAlpha;
+ ztot=0;
+ ntot=0;
+ frag->AttachNeutrons(zz, nn, ztot, ntot);
+ fFreeSpn = fSpecn-ntot-2*nAlpha;
+ fFreeSpp = fSpecp-ztot-2*nAlpha;
if(fFreeSpn<0) fFreeSpn=0;
if(fFreeSpp<0) fFreeSpp=0;
- //printf("\n 2*nAlpha = %d, Ztot = %d, Ntot = %d\n",2*nAlpha, Ztot, Ntot);
+ //printf("\n 2*nAlpha = %d, ztot = %d, ntot = %d\n",2*nAlpha, ztot, ntot);
printf("\n Fragmentation -> FreeSpn = %d, FreeSpp = %d\n",fFreeSpn,fFreeSpp);
}
fBgrFile->cd();
// fBgrFile->ls();
- AliZDC *ZDC = (AliZDC *)gAlice->GetModule("ZDC");
-// if(ZDC) printf("\n Ho trovato lo ZDC!\n");
+ AliZDC *zdc = (AliZDC *)gAlice->GetModule("ZDC");
+// if(zdc) printf("\n Ho trovato lo ZDC!\n");
// fNEvBgr = 0; // Let's suppose to have 1 full Hijing event per file
// Hits tree
// Branch address
TBranch *branch;
char branchname[20];
- sprintf(branchname,"%s",ZDC->GetName());
+ sprintf(branchname,"%s",zdc->GetName());
if(fTrHBgr && fHitsBgr){
// printf("\n fTrHBgr!=0 && fHitsBgr!=0\n");
branch = fTrHBgr->GetBranch(branchname);
Int_t itrack, nhits, ihit, j, sector[2];
AliZDCHit* zdcHit;
- AliZDCMergedHit *MHit;
- Float_t MHits[7];
+ AliZDCMergedHit *mHit;
+ Float_t mHits[7];
TClonesArray &sdigits = *fMHits; // SDigits TCArray
fNMhits = 0;
zdcHit = (AliZDCHit*) fHitsBgr->UncheckedAt(ihit);
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();
- MHit = new AliZDCMergedHit(sector, MHits);
-// MHit->Print("");
- new((*fMHits)[fNMhits]) AliZDCMergedHit(*MHit);
- new (sdigits[fNMhits]) AliZDCMergedHit(*MHit);
- delete MHit;
+ 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();
+ mHit = new AliZDCMergedHit(sector, mHits);
+// mHit->Print("");
+ new((*fMHits)[fNMhits]) AliZDCMergedHit(*mHit);
+ new (sdigits[fNMhits]) AliZDCMergedHit(*mHit);
+ delete mHit;
fNMhits++;
}//Hits loop
// printf("\n Entering in Extract Signal\n");
- Int_t NumEvents = 0;
+ Int_t numEvents = 0;
if(SpecType == 1){ // --- Signal for spectator neutrons
fFnSpecn = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/ZNsignalntu.root");
fSpecnFile = TFile::Open(fFnSpecn,"R");
fSpecnFile->cd();
printf("\n --- ExtractSignal x n: file %s opened\n", fFnSpecn);
- NumEvents = fFreeSpn;
+ numEvents = fFreeSpn;
}
else if(SpecType == 2){ // --- Signal for spectator protons
fFnSpecp = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/ZPsignalntu.root");
fSpecpFile = TFile::Open(fFnSpecp,"R");
fSpecpFile->cd();
printf("\n --- ExtractSignal x p: file %s opened\n", fFnSpecp);
- NumEvents = fFreeSpp;
+ numEvents = fFreeSpp;
}
- //printf("\n # of free spectators = %d\n", NumEvents);
+ //printf("\n # of free spectators = %d\n", numEvents);
//printf("\n fNMhits (before adding signal) = %d\n",fNMhits);
- TNtuple *ZDCSignal = (TNtuple*) gDirectory->Get("ZDCSignal");
- Int_t nentries = (Int_t) ZDCSignal->GetEntries();
+ TNtuple *zdcSignal = (TNtuple*) gDirectory->Get("ZDCSignal");
+ Int_t nentries = (Int_t) zdcSignal->GetEntries();
//printf("\n # entries = %d\n", nentries);
- AliZDCMergedHit *MHit;
- Float_t *entry, HitsSpec[7];
- Int_t pl, i, j, k, iev=0, rnd[125], Volume[2];
+ AliZDCMergedHit *mHit;
+ Float_t *entry, hitsSpec[7];
+ Int_t pl, i, j, k, iev=0, rnd[125], volume[2];
for(pl=0;pl<125;pl++){
rnd[pl] = 0;
}
- for(pl=0;pl<NumEvents;pl++){
+ for(pl=0;pl<numEvents;pl++){
rnd[pl] = (Int_t) (9999*gRandom->Rndm());
- if(rnd[pl] >= 9998) rnd[pl] = 9997;
+ if(rnd[pl] >= 9999) rnd[pl] = 9998;
//printf(" rnd[%d] = %d\n",pl,rnd[pl]);
}
// Sorting vector in ascending order with C function QSORT
- qsort((void*)rnd,NumEvents,sizeof(Int_t),comp);
- //for(pl=0;pl<NumEvents;pl++){
+ qsort((void*)rnd,numEvents,sizeof(Int_t),comp);
+ //for(pl=0;pl<numEvents;pl++){
////printf(" rnd[%d] = %d\n",pl,rnd[pl]);
//}
do{
for(i=0; i<nentries; i++){
- ZDCSignal->GetEvent(i);
- entry = ZDCSignal->GetArgs();
+ zdcSignal->GetEvent(i);
+ entry = zdcSignal->GetArgs();
if(entry[0] == rnd[iev]){
- for(k=0; k<2; k++) Volume[k] = (Int_t) entry[k+1];
+ for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1];
for(j=0; j<7; j++){
- HitsSpec[j] = entry[j+3];
+ hitsSpec[j] = entry[j+3];
}
//printf("\n i = %d, iev = %d, entry[0] = %f, rnd[%d] = %d ",i,iev,entry[0],iev,rnd[iev]);
- MHit = new AliZDCMergedHit(Volume, HitsSpec);
- new((*fMHits)[fNMhits++]) AliZDCMergedHit(*MHit);
- delete MHit;
+ mHit = new AliZDCMergedHit(volume, hitsSpec);
+ new((*fMHits)[fNMhits++]) AliZDCMergedHit(*mHit);
+ delete mHit;
}
else if(entry[0] > rnd[iev]){
iev++;
continue;
}
}
- }while(iev<NumEvents);
+ }while(iev<numEvents);
if(SpecType ==1){
//printf("\n fNMhits (after n signal) = %d\n",fNMhits);
}
}
-
-//____________________________________________________________________________
-void AliZDCMerger::Digitize(Int_t fNMhits, TClonesArray *fMHits)
-{
-
- printf("\n AliZDCMerger->Digitize()");
-
- AliZDC *ZDC = (AliZDC *)gAlice->GetModule("ZDC");
-// if(ZDC) printf("\n Ho trovato lo ZDC!\n");
- Int_t lightQ, lightC, sector[2], digit;
- Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM1 = 0, PMZEM2 = 0;
- Int_t i;
- for(i=0; i<4; i++){
- PMQZN[i] = 0;
- PMQZP[i] = 0;
- }
-
- AliZDCMergedHit *MHit;
- Int_t imhit;
- printf(" fNMHits = %d\n", fNMhits);
- // Loop over SDigits
- for(imhit=0; imhit<fNMhits; imhit++){
-
- MHit = (AliZDCMergedHit*) fMHits->UncheckedAt(imhit);
- sector[0] = MHit->GetSector(0);
- sector[1] = MHit->GetSector(1);
- // tmp -> c'erano i quadranti cannati!
- if((sector[1]!=1) && (sector[1]!=2) && (sector[1]!=3) && (sector[1]!=4)){
- printf("\n *** ERROR!!! sector[0] = %d, sector[1] = %d\n",
- sector[0], sector[1]);
- sector[1] = 0;
- }
- lightQ = Int_t(MHit->GetLightPMQ());
- lightC = Int_t(MHit->GetLightPMC());
-// printf(" imhit = %d -> DET. = %d, quad = %d,PMQ = %d, PMC = %d\n",
-// imhit,sector[0], sector[1],lightQ, lightC);
-
- if(sector[0] == 1){ //ZN
- PMCZN = PMCZN + lightC;
- PMQZN[sector[1]-1] = PMQZN[sector[1]-1] + lightQ;
- }
- else if(sector[0] == 2){ //ZP
- PMCZP = PMCZP + lightC;
- PMQZP[sector[1]-1] = PMQZP[sector[1]-1] + lightQ;
- }
- else if(sector[0] == 3){ //ZEM
- if(sector[1] ==1) PMZEM1 = PMZEM1 + lightC;
- else PMZEM2 = PMZEM2 + lightQ;
- }
- } // SDigits loop
-
- // ### Digits creation ###############################################
- // Create digits for ZN
- Int_t PedValue;
- sector[0] = 1; // Detector = ZN
- sector[1] = 0; // Common PM ADC
- digit = Phe2ADCch(1, 0, PMCZN);
- printf("\n\n ZN ### PMCZN = %d ADCZN = %d",PMCZN, digit);
- PedValue = AddPedestal();
- digit += PedValue;
-// printf(" PedValue = %d",PedValue);
- ZDC->AddDigit(sector, digit);
- Int_t j;
- for(j=0; j<4; j++){
- sector[1] = j+1; // Towers PM ADCs
- digit = Phe2ADCch(1, j+1, PMQZN[j]);
- printf("\n PMQZN[%d] = %d phe ADCZN[%d] = %d ADCch",j,PMQZN[j],j,digit);
- PedValue = AddPedestal();
- digit += PedValue;
-// printf(" PedValue = %d",PedValue);
- ZDC->AddDigit(sector, digit);
- }
- printf("\n");
-
- // Create digits for ZP
- sector[0] = 2; // Detector = ZP
- sector[1] = 0; // Common PM ADC
- digit = Phe2ADCch(2, 0, PMCZP);
- printf("\n ZP --- PMCZP = %d phe ADCZP = %d ADCch",PMCZP,digit);
- PedValue = AddPedestal();
- digit += PedValue;
-// printf(" PedValue = %d",PedValue);
- ZDC->AddDigit(sector, digit);
- for(j=0; j<4; j++){
- sector[1] = j+1; // Towers PM ADCs
- digit = Phe2ADCch(2, j+1, PMQZP[j]);
- printf("\n PMQZP[%d] = %d phe ADCZP[%d] = %d ADCch",j,PMQZP[j],j,digit);
- PedValue = AddPedestal();
- digit += PedValue;
-// printf(" PedValue = %d",PedValue);
- ZDC->AddDigit(sector, digit);
- }
- printf("\n");
-
- // Create digits for ZEM
- sector[0] = 3;
- sector[1] = 1; // Detector = ZEM1
- digit = Phe2ADCch(3, 1, PMZEM1);
- printf("\n ZEM *** PMZEM1 = %d phe ADCZEM1 = %d ADCch",PMZEM1,digit);
- PedValue = AddPedestal();
- digit += PedValue;
-// printf(" PedValue = %d\n",PedValue);
- ZDC->AddDigit(sector, digit);
- sector[1] = 2; // Detector = ZEM2
- digit = Phe2ADCch(3, 2, PMZEM2);
- printf("\n ZEM *** PMZEM2 = %d phe ADCZEM2 = %d ADCch\n",PMZEM2,digit);
- PedValue = AddPedestal();
- digit += PedValue;
-// printf(" PedValue = %d\n",PedValue);
- ZDC->AddDigit(sector, digit);
-}
-
-//_____________________________________________________________________________
-Int_t AliZDCMerger::Phe2ADCch(Int_t Det, Int_t Quad, Int_t Light)
-{
- // Evaluation of the ADC channel corresponding to the light yield Light
-
- if(gAlice->GetDebug() > 0){
-// printf("\n Phe2ADCch -> Detector = %d, Quadrant = %d, Light = %d\n", Det, Quad, Light);
- }
-
- Int_t ADCch = 0;
-
- Int_t j,i;
- for(i=0; i<3; i++){
- for(j=0; j<5; j++){
- fPMGain[i][j] = 100000.;
- }
- }
- fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
-
- ADCch = (Int_t) (Light*fPMGain[Det-1][Quad]*fADCRes);
-
- return ADCch;
-}
-
-//_____________________________________________________________________________
-Int_t AliZDCMerger::AddPedestal()
-{
- // --- Pedestal value -> extracted from a gaussian distribution
- // obtained from the beam test on the ZEM prototype (Aug. 2000)
-
- Int_t PedValue;
- Float_t PedMean = 50.;
- Float_t PedWidth = 5.;
-
- PedValue = (Int_t) gRandom->Gaus(PedMean,PedWidth);
-
- return PedValue;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff