#include "TNode.h"
#include "TRandom.h"
#include "TTree.h"
-
+#include "TParticle.h"
// --- Standard library ---
-#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <strstream.h>
fQAHitsMulB = 0 ;
fQATotEner = 0 ;
fQATotEnerB = 0 ;
+
+ fLightYieldMean = 0. ;
+ fIntrinsicPINEfficiency = 0. ;
+ fLightYieldAttenuation = 0. ;
+ fRecalibrationFactor = 0. ;
+ fElectronsPerGeV = 0. ;
+ fAPDGain = 0. ;
+ fLightFactor = 0. ;
+ fAPDFactor = 0. ;
+
}
//____________________________________________________________________________
AliPHOSv1::AliPHOSv1(const char *name, const char *title):
AliPHOSv0(name,title)
{
- // ctor : title is used to identify the layout
- // GPS2 = 5 modules (EMC + PPSD)
- // IHEP = 5 modules (EMC + CPV )
- // MIXT = 4 modules (EMC + CPV ) and 1 module (EMC + PPSD)
//
// We store hits :
// - fHits (the "normal" one), which retains the hits associated with
// and the TreeD at the end of the event (branch is set in FinishEvent() ).
fHits= new TClonesArray("AliPHOSHit",1000) ;
+ gAlice->AddHitList(fHits) ;
fNhits = 0 ;
- fIshunt = 1 ; // All hits are associated with primary particles
+ fIshunt = 2 ; // All hits are associated with primary particles
+
+ //Photoelectron statistics:
+ // The light yield is a poissonian distribution of the number of
+ // photons created in the PbWo4 crystal, calculated using following formula
+ // NumberOfPhotons = EnergyLost * LightYieldMean* APDEfficiency *
+ // exp (-LightYieldAttenuation * DistanceToPINdiodeFromTheHit);
+ // LightYieldMean is parameter calculated to be over 47000 photons per GeV
+ // APDEfficiency is 0.02655
+ // k_0 is 0.0045 from Valery Antonenko
+ // The number of electrons created in the APD is
+ // NumberOfElectrons = APDGain * LightYield
+ // The APD Gain is 300
+ fLightYieldMean = 47000;
+ fIntrinsicPINEfficiency = 0.02655 ; //APD= 0.1875/0.1271 * 0.018 (PIN)
+ fLightYieldAttenuation = 0.0045 ;
+ fRecalibrationFactor = 13.418/ fLightYieldMean ;
+ fElectronsPerGeV = 2.77e+8 ;
+ fAPDGain = 300. ;
+ fLightFactor = fLightYieldMean * fIntrinsicPINEfficiency ;
+ fAPDFactor = (fRecalibrationFactor/100.) * fAPDGain ;
+
Int_t nb = GetGeometry()->GetNModules() ;
// create checkables
fQAHitsMul = new AliPHOSQAIntCheckable("HitsM") ;
fQATotEner = new AliPHOSQAFloatCheckable("TotEn") ;
- fQAHitsMulB = new TClonesArray("AliPHOSQAIntCheckable",nb) ;
+ fQAHitsMulB = new TClonesArray("AliPHOSQAIntCheckable",nb) ;
+ fQAHitsMulB->SetOwner() ;
fQATotEnerB = new TClonesArray("AliPHOSQAFloatCheckable", nb);
+ fQATotEnerB->SetOwner() ;
char tempo[20] ;
Int_t i ;
for ( i = 0 ; i < nb ; i++ ) {
fQAHitsMul->AddChecker(hmc) ;
fQATotEner->AddChecker(emc) ;
for ( i = 0 ; i < nb ; i++ ) {
- ((AliPHOSQAIntCheckable*)(*fQAHitsMulB)[i])->AddChecker(bhmc) ;
- ((AliPHOSQAFloatCheckable*)(*fQATotEnerB)[i])->AddChecker(bemc) ;
+ (static_cast<AliPHOSQAIntCheckable*>((*fQAHitsMulB)[i]))->AddChecker(bhmc) ;
+ (static_cast<AliPHOSQAFloatCheckable*>((*fQATotEnerB)[i]))->AddChecker(bemc) ;
}
}
delete fHits ;
fHits = 0 ;
}
- if (fTreeQA)
- delete fTreeQA ;
+
+ if ( fQAHitsMulB ) {
+ fQAHitsMulB->Delete() ;
+ delete fQAHitsMulB ;
+ }
+
+ if ( fQATotEnerB ) {
+ fQATotEnerB->Delete() ;
+ delete fQATotEnerB ;
+ }
+
}
//____________________________________________________________________________
void AliPHOSv1::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t Id, Float_t * hits)
{
// Add a hit to the hit list.
- // A PHOS hit is the sum of all hits in a single crystal
- // or in a single PPSD gas cell
+ // A PHOS hit is the sum of all hits in a single crystal from one primary and within some time gate
Int_t hitCounter ;
AliPHOSHit *newHit ;
newHit = new AliPHOSHit(shunt, primary, tracknumber, Id, hits) ;
for ( hitCounter = fNhits-1 ; hitCounter >= 0 && !deja ; hitCounter-- ) {
- curHit = (AliPHOSHit*) (*fHits)[hitCounter] ;
- if(curHit->GetPrimary() != primary) break ; // We add hits with the same primary, while GEANT treats primaries succesively
+ curHit = dynamic_cast<AliPHOSHit*>((*fHits)[hitCounter]) ;
+ if(curHit->GetPrimary() != primary) break ;
+ // We add hits with the same primary, while GEANT treats primaries succesively
if( *curHit == *newHit ) {
- *curHit = *curHit + *newHit ;
+ *curHit + *newHit ;
deja = kTRUE ;
}
}
if ( !deja ) {
new((*fHits)[fNhits]) AliPHOSHit(*newHit) ;
// get the block Id number
- Int_t * relid = new Int_t[geom->GetNModules()] ;
+ Int_t relid[4] ;
geom->AbsToRelNumbering(Id, relid) ;
// and fill the relevant QA checkable (only if in PbW04)
if ( relid[1] == 0 ) {
fQAHitsMul->Update(1) ;
- ((AliPHOSQAIntCheckable*)(*fQAHitsMulB)[relid[0]-1])->Update(1) ;
+ (static_cast<AliPHOSQAIntCheckable*>((*fQAHitsMulB)[relid[0]-1]))->Update(1) ;
}
- delete relid ;
fNhits++ ;
}
Int_t i ;
if ( fQAHitsMulB && fQATotEnerB ) {
for (i = 0 ; i < GetGeometry()->GetNModules() ; i++) {
- AliPHOSQAIntCheckable * ci = (AliPHOSQAIntCheckable*)(*fQAHitsMulB)[i] ;
- AliPHOSQAFloatCheckable* cf = (AliPHOSQAFloatCheckable*)(*fQATotEnerB)[i] ;
+ AliPHOSQAIntCheckable * ci = static_cast<AliPHOSQAIntCheckable*>((*fQAHitsMulB)[i]) ;
+ AliPHOSQAFloatCheckable* cf = static_cast<AliPHOSQAFloatCheckable*>((*fQATotEnerB)[i]) ;
if ( ci->HasChanged() ) {
ci->CheckMe() ;
ci->Reset() ;
}
}
}
-
//____________________________________________________________________________
void AliPHOSv1::StepManager(void)
{
-
- // Accumulates hits as long as the track stays in a single crystal or PPSD gas Cell
+ // Accumulates hits as long as the track stays in a single crystal or CPV gas Cell
Int_t relid[4] ; // (box, layer, row, column) indices
Int_t absid ; // absolute cell ID number
- Float_t xyze[4]={0,0,0,0} ; // position wrt MRS and energy deposited
+ Float_t xyzte[5]={-1000.,-1000.,-1000.,0.,0.} ; // position wrt MRS, time and energy deposited
TLorentzVector pos ; // Lorentz vector of the track current position
Int_t copy ;
Int_t primary = gAlice->GetPrimary( gAlice->CurrentTrack() );
TString name = GetGeometry()->GetName() ;
-
- if ( name == "GPS2" || name == "MIXT" ) { // ======> CPV is a GPS' PPSD
-
- if( gMC->CurrentVolID(copy) == gMC->VolId("PPCE") ) // We are inside a gas cell
- {
- gMC->TrackPosition(pos) ;
- xyze[0] = pos[0] ;
- xyze[1] = pos[1] ;
- xyze[2] = pos[2] ;
- xyze[3] = gMC->Edep() ;
-
- if ( xyze[3] != 0 ) { // there is deposited energy
- gMC->CurrentVolOffID(5, relid[0]) ; // get the PHOS Module number
- if ( name == "MIXT" && strcmp(gMC->CurrentVolOffName(5),"PHO1") == 0 ){
- relid[0] += GetGeometry()->GetNModules() - GetGeometry()->GetNPPSDModules();
- }
- gMC->CurrentVolOffID(3, relid[1]) ; // get the Micromegas Module number
- // 1-> GetGeometry()->GetNumberOfModulesPhi() * GetGeometry()->GetNumberOfModulesZ() upper
- // > GetGeometry()->GetNumberOfModulesPhi() * GetGeometry()->GetNumberOfModulesZ() lower
- gMC->CurrentVolOffID(1, relid[2]) ; // get the row number of the cell
- gMC->CurrentVolID(relid[3]) ; // get the column number
-
- // get the absolute Id number
-
- GetGeometry()->RelToAbsNumbering(relid, absid) ;
-
- // add current hit to the hit list
- AddHit(fIshunt, primary, tracknumber, absid, xyze);
-
-
- } // there is deposited energy
- } // We are inside the gas of the CPV
- } // GPS2 configuration
-
- if ( name == "IHEP" || name == "MIXT" ) { // ======> CPV is a IHEP's one
-
- // Yuri Kharlov, 28 September 2000
-
- if( gMC->CurrentVolID(copy) == gMC->VolId("PCPQ") &&
- (gMC->IsTrackEntering() ) &&
- gMC->TrackCharge() != 0) {
+ Int_t moduleNumber ;
+
+ if( gMC->CurrentVolID(copy) == gMC->VolId("PCPQ") &&
+ (gMC->IsTrackEntering() ) &&
+ gMC->TrackCharge() != 0) {
+
+ gMC -> TrackPosition(pos);
+
+ Float_t xyzm[3], xyzd[3] ;
+ Int_t i;
+ for (i=0; i<3; i++) xyzm[i] = pos[i];
+ gMC -> Gmtod (xyzm, xyzd, 1); // transform coordinate from master to daughter system
+
+ Float_t xyd[3]={0,0,0} ; //local position of the entering
+ xyd[0] = xyzd[0];
+ xyd[1] =-xyzd[2];
+ xyd[2] =-xyzd[1];
+
+ // Current momentum of the hit's track in the local ref. system
+ TLorentzVector pmom ; //momentum of the particle initiated hit
+ gMC -> TrackMomentum(pmom);
+ Float_t pm[3], pd[3];
+ for (i=0; i<3; i++)
+ pm[i] = pmom[i];
+
+ gMC -> Gmtod (pm, pd, 2); // transform 3-momentum from master to daughter system
+ pmom[0] = pd[0];
+ pmom[1] =-pd[1];
+ pmom[2] =-pd[2];
+
+ // Digitize the current CPV hit:
+
+ // 1. find pad response and
+ gMC->CurrentVolOffID(3,moduleNumber);
+ moduleNumber--;
+
+ TClonesArray *cpvDigits = new TClonesArray("AliPHOSCPVDigit",0); // array of digits for current hit
+ CPVDigitize(pmom,xyd,moduleNumber,cpvDigits);
- gMC -> TrackPosition(pos);
- Float_t xyzm[3], xyzd[3] ;
- Int_t i;
- for (i=0; i<3; i++) xyzm[i] = pos[i];
- gMC -> Gmtod (xyzm, xyzd, 1); // transform coordinate from master to daughter system
-
- Float_t xyd[3]={0,0,0} ; //local posiiton of the entering
- xyd[0] = xyzd[0];
- xyd[1] =-xyzd[1];
- xyd[2] =-xyzd[2];
-
+ Float_t xmean = 0;
+ Float_t zmean = 0;
+ Float_t qsum = 0;
+ Int_t idigit,ndigits;
+
+ // 2. go through the current digit list and sum digits in pads
+
+ ndigits = cpvDigits->GetEntriesFast();
+ for (idigit=0; idigit<ndigits-1; idigit++) {
+ AliPHOSCPVDigit *cpvDigit1 = dynamic_cast<AliPHOSCPVDigit*>(cpvDigits->UncheckedAt(idigit));
+ Float_t x1 = cpvDigit1->GetXpad() ;
+ Float_t z1 = cpvDigit1->GetYpad() ;
+ for (Int_t jdigit=idigit+1; jdigit<ndigits; jdigit++) {
+ AliPHOSCPVDigit *cpvDigit2 = dynamic_cast<AliPHOSCPVDigit*>(cpvDigits->UncheckedAt(jdigit));
+ Float_t x2 = cpvDigit2->GetXpad() ;
+ Float_t z2 = cpvDigit2->GetYpad() ;
+ if (x1==x2 && z1==z2) {
+ Float_t qsum = cpvDigit1->GetQpad() + cpvDigit2->GetQpad() ;
+ cpvDigit2->SetQpad(qsum) ;
+ cpvDigits->RemoveAt(idigit) ;
+ }
+ }
+ }
+ cpvDigits->Compress() ;
+
+ // 3. add digits to temporary hit list fTmpHits
+
+ ndigits = cpvDigits->GetEntriesFast();
+ for (idigit=0; idigit<ndigits; idigit++) {
+ AliPHOSCPVDigit *cpvDigit = dynamic_cast<AliPHOSCPVDigit*>(cpvDigits->UncheckedAt(idigit));
+ relid[0] = moduleNumber + 1 ; // CPV (or PHOS) module number
+ relid[1] =-1 ; // means CPV
+ relid[2] = cpvDigit->GetXpad() ; // column number of a pad
+ relid[3] = cpvDigit->GetYpad() ; // row number of a pad
- // Current momentum of the hit's track in the local ref. system
- TLorentzVector pmom ; //momentum of the particle initiated hit
- gMC -> TrackMomentum(pmom);
- Float_t pm[3], pd[3];
- for (i=0; i<3; i++) pm[i] = pmom[i];
- gMC -> Gmtod (pm, pd, 2); // transform 3-momentum from master to daughter system
- pmom[0] = pd[0];
- pmom[1] =-pd[1];
- pmom[2] =-pd[2];
-
- // Digitize the current CPV hit:
-
- // 1. find pad response and
+ // get the absolute Id number
+ GetGeometry()->RelToAbsNumbering(relid, absid) ;
- Int_t moduleNumber;
- gMC->CurrentVolOffID(3,moduleNumber);
- moduleNumber--;
-
+ // add current digit to the temporary hit list
- TClonesArray *cpvDigits = new TClonesArray("AliPHOSCPVDigit",0); // array of digits for current hit
- CPVDigitize(pmom,xyd,moduleNumber,cpvDigits);
+ xyzte[3] = gMC->TrackTime() ;
+ xyzte[4] = cpvDigit->GetQpad() ; // amplitude in a pad
+ primary = -1; // No need in primary for CPV
+ AddHit(fIshunt, primary, tracknumber, absid, xyzte);
- Float_t xmean = 0;
- Float_t zmean = 0;
- Float_t qsum = 0;
- Int_t idigit,ndigits;
-
- // 2. go through the current digit list and sum digits in pads
-
- ndigits = cpvDigits->GetEntriesFast();
- for (idigit=0; idigit<ndigits-1; idigit++) {
- AliPHOSCPVDigit *cpvDigit1 = (AliPHOSCPVDigit*) cpvDigits->UncheckedAt(idigit);
- Float_t x1 = cpvDigit1->GetXpad() ;
- Float_t z1 = cpvDigit1->GetYpad() ;
- for (Int_t jdigit=idigit+1; jdigit<ndigits; jdigit++) {
- AliPHOSCPVDigit *cpvDigit2 = (AliPHOSCPVDigit*) cpvDigits->UncheckedAt(jdigit);
- Float_t x2 = cpvDigit2->GetXpad() ;
- Float_t z2 = cpvDigit2->GetYpad() ;
- if (x1==x2 && z1==z2) {
- Float_t qsum = cpvDigit1->GetQpad() + cpvDigit2->GetQpad() ;
- cpvDigit2->SetQpad(qsum) ;
- cpvDigits->RemoveAt(idigit) ;
- }
- }
- }
- cpvDigits->Compress() ;
-
- // 3. add digits to temporary hit list fTmpHits
-
- ndigits = cpvDigits->GetEntriesFast();
- for (idigit=0; idigit<ndigits; idigit++) {
- AliPHOSCPVDigit *cpvDigit = (AliPHOSCPVDigit*) cpvDigits->UncheckedAt(idigit);
- relid[0] = moduleNumber + 1 ; // CPV (or PHOS) module number
- relid[1] =-1 ; // means CPV
- relid[2] = cpvDigit->GetXpad() ; // column number of a pad
- relid[3] = cpvDigit->GetYpad() ; // row number of a pad
-
- // get the absolute Id number
- GetGeometry()->RelToAbsNumbering(relid, absid) ;
-
- // add current digit to the temporary hit list
- xyze[0] = 0. ;
- xyze[1] = 0. ;
- xyze[2] = 0. ;
- xyze[3] = cpvDigit->GetQpad() ; // amplitude in a pad
- primary = -1; // No need in primary for CPV
- AddHit(fIshunt, primary, tracknumber, absid, xyze);
-
- if (cpvDigit->GetQpad() > 0.02) {
- xmean += cpvDigit->GetQpad() * (cpvDigit->GetXpad() + 0.5);
- zmean += cpvDigit->GetQpad() * (cpvDigit->GetYpad() + 0.5);
- qsum += cpvDigit->GetQpad();
- }
+ if (cpvDigit->GetQpad() > 0.02) {
+ xmean += cpvDigit->GetQpad() * (cpvDigit->GetXpad() + 0.5);
+ zmean += cpvDigit->GetQpad() * (cpvDigit->GetYpad() + 0.5);
+ qsum += cpvDigit->GetQpad();
}
+ }
+ if (cpvDigits) {
+ cpvDigits->Delete();
delete cpvDigits;
+ cpvDigits=0;
}
- } // end of IHEP configuration
-
-
- if(gMC->CurrentVolID(copy) == gMC->VolId("PXTL") ) { // We are inside a PBWO crystal
- gMC->TrackPosition(pos) ;
- xyze[0] = pos[0] ;
- xyze[1] = pos[1] ;
- xyze[2] = pos[2] ;
- xyze[3] = gMC->Edep() ;
+ }
+
- if ( xyze[3] != 0 ) { // Track is inside the crystal and deposits some energy
+ if(gMC->CurrentVolID(copy) == gMC->VolId("PXTL") ) { // We are inside a PBWO crystal
- gMC->CurrentVolOffID(10, relid[0]) ; // get the PHOS module number ;
+ gMC->TrackPosition(pos) ;
+ xyzte[0] = pos[0] ;
+ xyzte[1] = pos[1] ;
+ xyzte[2] = pos[2] ;
+
+ Float_t global[3], local[3] ;
+ global[0] = pos[0] ;
+ global[1] = pos[1] ;
+ global[2] = pos[2] ;
+ Float_t lostenergy = gMC->Edep();
+
+ //Put in the TreeK particle entering PHOS and all its parents
+ if ( gMC->IsTrackEntering() ){
+ Float_t xyzd[3] ;
+ gMC -> Gmtod (xyzte, xyzd, 1); // transform coordinate from master to daughter system
+ if (xyzd[1] > GetGeometry()->GetCrystalSize(1)/2-0.002 ||
+ xyzd[1] < -GetGeometry()->GetCrystalSize(1)/2+0.002) {
+ TParticle * part = 0 ;
+ Int_t parent = gAlice->CurrentTrack() ;
+ while ( parent != -1 ) {
+ part = gAlice->Particle(parent) ;
+ part->SetBit(kKeepBit);
+ parent = part->GetFirstMother() ;
+ }
+ }
+ }
+ if ( lostenergy != 0 ) { // Track is inside the crystal and deposits some energy
+ xyzte[3] = gMC->TrackTime() ;
- // fill the relevant QA Checkables
- fQATotEner->Update( xyze[3] ) ; // total energy in PHOS
- ((AliPHOSQAFloatCheckable*)(*fQATotEnerB)[relid[0]-1])->Update( xyze[3] ) ; // energy in this block
-
- if ( name == "MIXT" && strcmp(gMC->CurrentVolOffName(10),"PHO1") == 0 )
- relid[0] += GetGeometry()->GetNModules() - GetGeometry()->GetNPPSDModules();
-
- relid[1] = 0 ; // means PBW04
- gMC->CurrentVolOffID(4, relid[2]) ; // get the row number inside the module
- gMC->CurrentVolOffID(3, relid[3]) ; // get the cell number inside the module
+ gMC->CurrentVolOffID(10, moduleNumber) ; // get the PHOS module number ;
+
+ Int_t strip ;
+ gMC->CurrentVolOffID(3, strip);
+ Int_t cell ;
+ gMC->CurrentVolOffID(2, cell);
+
+ Int_t row = 1 + GetGeometry()->GetNZ() - strip % GetGeometry()->GetNZ() ;
+ Int_t col = (Int_t) TMath::Ceil((Double_t) strip/GetGeometry()->GetNZ()) -1 ;
+
+ absid = (moduleNumber-1)*GetGeometry()->GetNCristalsInModule() +
+ row + (col*GetGeometry()->GetEMCAGeometry()->GetNCellsInStrip() + cell-1)*GetGeometry()->GetNZ() ;
+
+ gMC->Gmtod(global, local, 1) ;
+
+ //Calculates the light yield, the number of photons produced in the
+ //crystal
+ Float_t lightYield = gRandom->Poisson(fLightFactor * lostenergy *
+ exp(-fLightYieldAttenuation *
+ (local[1]+GetGeometry()->GetCrystalSize(1)/2.0 ))
+ ) ;
+
+ //Calculates de energy deposited in the crystal
+ xyzte[4] = fAPDFactor * lightYield ;
- // get the absolute Id number
- GetGeometry()->RelToAbsNumbering(relid, absid) ;
-
// add current hit to the hit list
- AddHit(fIshunt, primary,tracknumber, absid, xyze);
-
-
+ //cout << "AliPHOSv1::StepManager " << primary << " " << tracknumber << endl ;
+ AddHit(fIshunt, primary,tracknumber, absid, xyzte);
+
+ // fill the relevant QA Checkables
+ fQATotEner->Update( xyzte[4] ) ; // total energy in PHOS
+ (static_cast<AliPHOSQAFloatCheckable*>((*fQATotEnerB)[moduleNumber-1]))->Update( xyzte[4] ) ; // energy in this block
+
} // there is deposited energy
} // we are inside a PHOS Xtal
+
}
//____________________________________________________________________________
Int_t nz3 = (kNgamz+1)/2;
Int_t nx3 = (kNgamx+1)/2;
cpvDigits->Expand(nIter*kNgamx*kNgamz);
- TClonesArray &ldigits = *(TClonesArray *)cpvDigits;
+ TClonesArray &ldigits = *(static_cast<TClonesArray *>(cpvDigits));
for (Int_t iter=0; iter<nIter; iter++) {
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff