+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-/* $Id$ */
-
-//_________________________________________________________________________
-// Implementation version v0 of PHOS Manager class
-// The main goal of this version of AliPHOS is to calculte the
-// induced charged in the PIN diode, taking into account light
-// tracking in the PbWO4 crystal, induced signal in the
-// PIN due to MIPS particle and electronic noise.
-// This is done in the StepManager
-//
-//*-- Author: Odd Harald Odland & Gines Martinez (SUBATECH)
-
-
-// --- ROOT system ---
-#include "TRandom.h"
-
-// --- Standard library ---
-
-#include <string.h>
-#include <stdlib.h>
-#include <strstream.h>
-
-// --- AliRoot header files ---
-
-#include "AliPHOSv3.h"
-#include "AliPHOSHit.h"
-#include "AliPHOSCPVDigit.h"
-#include "AliRun.h"
-#include "AliConst.h"
-#include "AliMC.h"
-#include "AliPHOSGeometry.h"
-
-ClassImp(AliPHOSv3)
-
-//____________________________________________________________________________
- AliPHOSv3::AliPHOSv3(void) : AliPHOSv1()
-{
- // default ctor: initialize daa members
-
- fLightYieldMean = 0. ;
- fIntrinsicPINEfficiency = 0. ;
- fLightYieldAttenuation = 0. ;
- fRecalibrationFactor = 0. ;
- fElectronsPerGeV = 0. ;
- fAPDGain = 0. ;
-
-}
-
-//____________________________________________________________________________
- AliPHOSv3::AliPHOSv3(const char *name, const char *title):
-AliPHOSv1(name,title)
-{
- // ctor
-
- // 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. ;
-}
-
-// //____________________________________________________________________________
-// AliPHOSv3::AliPHOSv3(AliPHOSReconstructioner * Reconstructioner, const char *name, const char *title):
-// AliPHOSv1(Reconstructioner,name,title)
-// {
-// // ctor
-
-// // Number of electrons created in the PIN due to light collected in the PbWo4 crystal is calculated using
-// // following formula
-// // NumberOfElectrons = EnergyLost * LightYield * PINEfficiency *
-// // exp (-LightYieldAttenuation * DistanceToPINdiodeFromTheHit) *
-// // RecalibrationFactor ;
-// // LightYield is obtained as a Poissonian distribution with a mean at 700000 photons per GeV fromValery Antonenko
-// // PINEfficiency is 0.1875
-// // k_0 is 0.0045 from Valery Antonenko
-
-// fLightYieldMean = 700000.;
-// fIntrinsicPINEfficiency = 0.1875 ;
-// fLightYieldAttenuation = 0.0045 ;
-// fRecalibrationFactor = 6.2 / fLightYieldMean ;
-// fRecalibrationFactor = 5.67 /fLightYieldMean ;//25.04.2001 OHO
-// fElectronsPerGeV = 2.77e+8 ;
-// }
-//____________________________________________________________________________
-
-void AliPHOSv3::StepManager(void)
-{
- // Accumulates hits as long as the track stays in a single crystal or PPSD gas Cell
-
-// if (gMC->IsTrackEntering())
-// Info("StepManager", "Track enters the volume %d", gMC->CurrentVolName()) ;
-// if (gMC->IsTrackExiting())
-// Info("StepManager", "Track leaves the volume %d", gMC->CurrentVolName()) ;
-
- 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
-
- TLorentzVector pos ; // Lorentz vector of the track current position
- Int_t copy ;
- Float_t fLightYield ; // Light Yield per GeV
-
- Int_t tracknumber = gAlice->GetCurrentTrackNumber() ;
- Int_t primary = gAlice->GetPrimary( gAlice->GetCurrentTrackNumber() );
- TString name = GetGeometry()->GetName() ;
- Float_t lostenergy ;
- Float_t global[3] ;
- Float_t local[3] ;
-
-
- if ( name == "IHEP" ) { // ======> CPV is a IHEP's one
-
- // Yuri Kharlov, 28 September 2000
-
- 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 posiiton of the entering
- xyd[0] = xyzd[0];
- xyd[1] =-xyzd[1];
- xyd[2] =-xyzd[2];
-
-
- // 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
-
- Int_t moduleNumber;
- gMC->CurrentVolOffID(3,moduleNumber);
- moduleNumber--;
-
-
- TClonesArray *cpvDigits = new TClonesArray("AliPHOSCPVDigit",0); // array of digits for current hit
- CPVDigitize(pmom,xyd,moduleNumber,cpvDigits);
-
- 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
-
- // 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();
- }
- }
- delete cpvDigits;
- }
- } // end of IHEP configuration
-
-
-if(gMC->CurrentVolID(copy)==gMC->VolId("PXTL")){// We are inside a PBWO4 crystal
- gMC->TrackPosition(pos) ;
- xyze[0] = pos[0] ;
- xyze[1] = pos[1] ;
- xyze[2] = pos[2] ;
- global[0] = pos[0] ;
- global[1] = pos[1] ;
- global[2] = pos[2] ;
- lostenergy = gMC->Edep();
- xyze[3] = gMC->Edep() ;
-
-
- if ( (xyze[3] != 0) ){//Track is inside the crystal and deposits some energy
-
- gMC->CurrentVolOffID(10, relid[0]) ; // get the PHOS module number ;
-
- 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
-
- // get the absolute Id number
-
- GetGeometry()->RelToAbsNumbering(relid, absid) ;
-
- gMC->Gmtod(global, local, 1) ;
-
- //Calculates the light yield, the number of photns produced in the
- //crystal
- fLightYield = gRandom->Poisson(
- fLightYieldMean * lostenergy *
- fIntrinsicPINEfficiency *
- exp(-fLightYieldAttenuation *
- (local[1]+GetGeometry()->GetCrystalSize(1)/2.0 ))
- ) ;
- //Calculates de energy deposited in the crystal
- xyze[3] = (fRecalibrationFactor/100.) * fAPDGain * fLightYield ;
-
-
- // Info("StepManager", "xyze[3]: %f", xyze[3]) ;
- // Info("StepManager", "lostenergy: %f", lostenergy) ;
-
-
-
-
- // add current hit to the hit list
-
-
- if (xyze[3] != 0.) AddHit(fIshunt, primary,tracknumber, absid, xyze);
-
-
- } // there is deposited energy
- } // we are inside a PHOS Xtal
-
-// if(gMC->CurrentVolID(copy) == gMC->VolId("PPIN"))//We are inside the PIN diode
-// {
-// Info("StepManager", "Inside PIN";
-// gMC->TrackPosition(pos) ;
-// global[0] = pos[0] ;
-// global[1] = pos[1] ;
-// global[2] = pos[2] ;
-// xyze[0] = pos[0] ;
-// xyze[1] = pos[1] ;
-// xyze[2] = pos[2] ;
-// lostenergy = gMC->Edep() ;
-// xyze[3] = gMC->Edep() ;
-
-// if ( xyze[3] != 0 ) {
-// gMC->CurrentVolOffID(11, relid[0]) ; // get the PHOS module number ;
-// relid[1] = 0 ; // means PW04 and PIN
-// gMC->CurrentVolOffID(5, relid[2]) ; // get the row number inside the module
-// gMC->CurrentVolOffID(4, relid[3]) ; // get the cell number inside the module
-
-// // get the absolute Id number
-
-// Int_t absid ;
-// GetGeometry()->RelToAbsNumbering(relid,absid) ;
-// gMC->Gmtod(global, local, 1) ;
-
-// // calculating number of electrons in the PIN diode asociated to this hit
-
-// //nElectrons = lostenergy * fElectronsPerGeV ;
-// // xyze[3] = nElectrons * fRecalibrationFactor ;
-// apdgain = gRandom->Poisson(300.) ;
-// // apdgain = 300.;
-// //if(local[1]<-0.0045) xyze[3] = apdgain * nElectrons * fRecalibrationFactor/10000.;
-
-// if(local[1]<-0.0045) xyze[3] = apdgain * lostenergy * fElectronsPerGeV* (fRecalibrationFactor/100.);
-
-// //if((local[1]>-0.0045)&&(gMC->TrackPid()==-11)) xyze[3] = apdgain * nElectrons * fRecalibrationFactor/10000.;
-
-// if((local[1]>-0.0045)&&(gMC->TrackPid()==-11)) xyze[3] = apdgain * lostenergy * fElectronsPerGeV * (fRecalibrationFactor/100.);
-
-// //if(local[1]>-0.0045) xyze[3] = nElectrons * fRecalibrationFactor/10000.;
-
-// if(local[1]>-0.0045) xyze[3] = lostenergy * fElectronsPerGeV * (fRecalibrationFactor/100.);
-
-// // add current hit to the hit list
-
-// AddHit(fIshunt, primary, tracknumber, absid, xyze);
-
-// //printf("PIN volume is %d, %d, %d, %d \n",relid[0],relid[1],relid[2],relid[3]);
-// printf("Lost energy in the PIN is %f \n",lostenergy) ;
-// } // there is deposited energy
-// } // we are inside a PHOS XtalPHOS PIN diode
-}
+++ /dev/null
-#ifndef ALIPHOSV3_H
-#define ALIPHOSV3_H
-/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice */
-
-//_________________________________________________________________________
-// Implementation version v1 of PHOS Manager class
-// The main goal of this version of AliPHOS is to calculte the
-// induced charged in the PIN diode, taking into account light
-// tracking in the PbWO4 crystal, induced signal in the
-// PIN due to MIPS particle and electronic noise.
-// This is done in the StepManager
-//
-//*-- Author: Odd Harald Oddland & Gines Martinez (SUBATECH)
-
-// --- ROOT system ---
-
-
-// --- AliRoot header files ---
-#include "AliPHOSv1.h"
-
-
-class AliPHOSv3 : public AliPHOSv1 {
-
- public:
-
- AliPHOSv3(void) ;
- AliPHOSv3(const char *name, const char *title="") ;
- // AliPHOSv3(AliPHOSReconstructioner * Reconstructioner, const char *name, const char *title="") ;
- virtual ~AliPHOSv3(void) {
- // dtor
- }
-
- virtual Int_t IsVersion(void) const {
- // Gives the version number
- return 3 ;
- }
- virtual const TString Version(void)const {
- // returns the version number
- return TString("v3") ;
- }
- virtual void StepManager(void) ;
-
- Float_t GetLightYieldMean() const { return fLightYieldMean ;}
- Float_t GetLightYieldAttenuation() const { return fLightYieldAttenuation ;}
- Float_t GetRecalibrationFactor() const { return fRecalibrationFactor ;}
- Float_t GetAPDGain() const { return fAPDGain ;}
- Float_t GetIntrinsicPINEfficiency() const { return fIntrinsicPINEfficiency ;}
- Float_t GetElectronsPerGeV() const { return fElectronsPerGeV ;}
-
- void SetLightYieldMean(Float_t LightYieldMean)
- {fLightYieldMean = LightYieldMean;}
- void SetLightYieldAttenuation(Float_t LightYieldAttenuation)
- {fLightYieldAttenuation = LightYieldAttenuation;}
- void SetIntrinsicPINEfficiency(Float_t IntrinsicPINEfficiency)
- {fIntrinsicPINEfficiency = IntrinsicPINEfficiency;}
- void SetRecalibrationFactor(Float_t RecalibrationFactor)
- {fRecalibrationFactor = RecalibrationFactor;}
- void SetElectronsPerGeV(Float_t ElectronsPerGeV)
- {fElectronsPerGeV = ElectronsPerGeV;}
- void SetAPDGain(Float_t APDGain)
- {fAPDGain = APDGain;}
-
- private:
-
- Float_t fLightYieldMean ; // Mean lightyield in the PbOW4 xtal per GeV (Poisson distribution)
- Float_t fIntrinsicPINEfficiency ; // Photo efficiency of the PIN diode
- Float_t fLightYieldAttenuation ; // Attenuation of the light through the crystal
- Float_t fRecalibrationFactor ; // Recalibration factor
- Float_t fElectronsPerGeV ; // Number of electrons per GeV created in the PIN by a ionizing particle
- Float_t fAPDGain ; // APD Gain
-
- ClassDef(AliPHOSv3,1) // Implementation of PHOS manager class for layout EMC+PPSD with light transport, MIPS in PIN and electronic noise
-
-};
-
-#endif // AliPHOSV3_H
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff