BesTofDigitizerEcV3 Class Reference

#include <BesTofDigitizerEcV3.hh>

Inheritance diagram for BesTofDigitizerEcV3:

Public Member Functions
	BesTofDigitizerEcV3 ()
	~BesTofDigitizerEcV3 ()
virtual void	Digitize (ScintSingle *, BesTofDigitsCollection *)
void	ReadData ()
void	ReadEffTree ()
void	TofPmtInit ()
void	TofPmtAccum (BesTofHit *)
void	DirectPh (G4int, G4int, G4int, G4double &)
G4double	Scintillation (G4int)
G4double	TransitTime ()
void	AccuSignal (G4double, G4int)
void	TofPmtRspns (G4int, G4int)
G4double	BirksLaw (BesTofHit *hit)
	BesTofDigitizerEcV3 ()
	~BesTofDigitizerEcV3 ()
virtual void	Digitize (ScintSingle *, BesTofDigitsCollection *)
void	ReadData ()
void	ReadEffTree ()
void	TofPmtInit ()
void	TofPmtAccum (BesTofHit *)
void	DirectPh (G4int, G4int, G4int, G4double &)
G4double	Scintillation (G4int)
G4double	TransitTime ()
void	AccuSignal (G4double, G4int)
void	TofPmtRspns (G4int, G4int)
G4double	BirksLaw (BesTofHit *hit)
	BesTofDigitizerEcV3 ()
	~BesTofDigitizerEcV3 ()
virtual void	Digitize (ScintSingle *, BesTofDigitsCollection *)
void	ReadData ()
void	ReadEffTree ()
void	TofPmtInit ()
void	TofPmtAccum (BesTofHit *)
void	DirectPh (G4int, G4int, G4int, G4double &)
G4double	Scintillation (G4int)
G4double	TransitTime ()
void	AccuSignal (G4double, G4int)
void	TofPmtRspns (G4int, G4int)
G4double	BirksLaw (BesTofHit *hit)
Public Member Functions inherited from BesTofDigitizerV
	BesTofDigitizerV ()
	~BesTofDigitizerV ()
void	Initialize ()
	BesTofDigitizerV ()
	~BesTofDigitizerV ()
void	Initialize ()
	BesTofDigitizerV ()
	~BesTofDigitizerV ()
void	Initialize ()

Additional Inherited Members
Protected Attributes inherited from BesTofDigitizerV
BesTofDigitsCollection *	m_besTofDigitsCollection
BesTofHitsCollection *	m_THC
ITofCaliSvc *	m_tofCaliSvc
ITofSimSvc *	m_tofSimSvc
ITofQElecSvc *	m_tofQElecSvc
G4double	m_ADC [2]
G4double	m_TDC [2]
G4int	m_trackIndex
G4double	m_globalTime
Static Protected Attributes inherited from BesTofDigitizerV
static bool	m_booked = false
static NTuple::Tuple *	m_tupleTof1 = 0
static NTuple::Item< double >	m_partId
static NTuple::Item< double >	m_scinNb
static NTuple::Item< double >	m_edep
static NTuple::Item< double >	m_nHits
static NTuple::Item< double >	m_time1st0
static NTuple::Item< double >	m_time1st1
static NTuple::Item< double >	m_timelast0
static NTuple::Item< double >	m_timelast1
static NTuple::Item< double >	m_totalPhot0
static NTuple::Item< double >	m_totalPhot1
static NTuple::Item< double >	m_NphAllSteps
static NTuple::Item< double >	m_max0
static NTuple::Item< double >	m_max1
static NTuple::Item< double >	m_tdc0
static NTuple::Item< double >	m_adc0
static NTuple::Item< double >	m_tdc1
static NTuple::Item< double >	m_adc1
static NTuple::Tuple *	m_tupleTof2 = 0
static NTuple::Item< double >	m_eTotal
static NTuple::Item< double >	m_nDigi
static NTuple::Item< double >	m_partIdMPV
static NTuple::Item< double >	m_scinNbMPV
static NTuple::Item< double >	m_edepMPV
static NTuple::Item< double >	m_nDigiOut
static NTuple::Tuple *	m_tupleTof3 = 0
static NTuple::Item< double >	m_forb
static NTuple::Item< double >	m_timeFlight
static NTuple::Item< double >	m_ddT
static NTuple::Item< double >	m_scinSwim
static NTuple::Item< double >	m_scinTime
static NTuple::Item< double >	m_transitTime
static NTuple::Item< double >	m_endTime
static NTuple::Item< double >	m_edepHit

Detailed Description

Definition at line 39 of file InstallArea/x86_64-el9-gcc13-dbg/include/TofSim/BesTofDigitizerEcV3.hh.

Constructor & Destructor Documentation

BesTofDigitizerEcV3() [1/3]

BesTofDigitizerEcV3::BesTofDigitizerEcV3

(

)

Definition at line 31 of file BesTofDigitizerEcV3.cc.

                                         {
  ReadData(); // Get some basic data (not Hit data, but information about smearing from
              // electronics,... )
  m_timeBinSize = 0.005;
 
  // Simulation/G4Svc/G4Svc-00-01-47/src/G4Svc.cpp
  // Get the basic parameters from the event: Starttime, Beamposition,...
 
  // retrieve G4Svc
  ISvcLocator* svcLocator = Gaudi::svcLocator();
  StatusCode   sc         = svcLocator->service( "G4Svc", m_G4Svc );
  if ( !sc.isSuccess() )
  {
    std::cout << " Could not initialize Realization Service in BesTofDigitizerBrV2"
              << std::endl;
    exit( 1 );
  }
 
  // retrieve RealizationSvc
  StatusCode scReal = svcLocator->service( "RealizationSvc", m_RealizationSvc );
  if ( !scReal.isSuccess() )
  {
    std::cout << " Could not initialize Realization Service in BesTofDigitizerEcV3"
              << std::endl;
    exit( 1 );
  }
 
  for ( int i = 0; i < 50; i++ )
  {
    for ( int j = 0; j < 10; j++ )
    {
      for ( int k = 0; k < 10; k++ )
      {
        for ( int m = 0; m < num1; m++ ) // num1 bin number in histogram is 400 at the moment
        {
          // G4cout << "time:" << propTime[i][j][k][m] << "; prob:" << prob[i][j][k][m] << ";
          // eff:" << eff[i][j][k] << G4endl;
          propTime[i][j][k][m] = 0;
          prob[i][j][k][m]     = 0;
          eff[i][j][k]         = 0;
        }
      }
    }
  }
 
  ReadEffTree();
  G4cout << "ETofSim: Reading nTuples of is completed." << G4endl;
}

~BesTofDigitizerEcV3() [1/3]

BesTofDigitizerEcV3::~BesTofDigitizerEcV3

(

)

Definition at line 165 of file BesTofDigitizerEcV3.cc.

{ ; }

BesTofDigitizerEcV3() [2/3]

BesTofDigitizerEcV3::BesTofDigitizerEcV3

(

)

~BesTofDigitizerEcV3() [2/3]

BesTofDigitizerEcV3::~BesTofDigitizerEcV3

(

)

BesTofDigitizerEcV3() [3/3]

BesTofDigitizerEcV3::BesTofDigitizerEcV3

(

)

~BesTofDigitizerEcV3() [3/3]

BesTofDigitizerEcV3::~BesTofDigitizerEcV3

(

)

Member Function Documentation

AccuSignal() [1/3]

void BesTofDigitizerEcV3::AccuSignal	(	G4double	endTime,
		G4int	forb )

Definition at line 524 of file BesTofDigitizerEcV3.cc.

                                                                   {
  G4int ihst;
  ihst = G4int( endTime / m_timeBinSize );
  if ( ihst > 0 && ihst < m_profBinNEcV3 )
  {
    m_nPhot[ihst][forb] = m_nPhot[ihst][forb] + 1;
    m_totalPhot[forb]   = m_totalPhot[forb] + 1;
  }
}

Referenced by TofPmtAccum().

AccuSignal() [2/3]

void BesTofDigitizerEcV3::AccuSignal	(	G4double	,
		G4int	)

AccuSignal() [3/3]

void BesTofDigitizerEcV3::AccuSignal	(	G4double	,
		G4int	)

BirksLaw() [1/3]

G4double BesTofDigitizerEcV3::BirksLaw

(

BesTofHit *

hit

)

Definition at line 447 of file BesTofDigitizerEcV3.cc.

                                                       {
  const G4double kappa      = 0.015 * cm / MeV;
  const G4String brMaterial = "BC404";
  G4double       dE         = hit->GetEdep();
  // G4cout << "The edep is "<< dE << G4endl;
  G4double dX = hit->GetStepL();
  // G4Material* materiral = hit->GetMaterial();
  G4double charge = hit->GetCharge();
  G4double cor_dE = dE;
  // if((materiral->GetName()==brMaterial) && charge!=0.&& dX!=0.)
  if ( charge != 0. && dX != 0. )
  {
    cor_dE = dE / ( 1 + kappa * dE / dX );
    // if(dE>20)
    //{
    //   G4cout << "\n dE > 20. Details are below:" << G4endl;
    //   G4cout << "dE/dx:" << dE/dX << G4endl;
    //   G4cout << "dE:" << dE << "; dX:" << dX << G4endl;
    //   G4cout << "It is BC404. cor_dE is " << cor_dE << G4endl;
    //   G4double ratio = cor_dE/dE;
    //   G4cout << "The ratio cor_dE/edep is "<< ratio << G4endl;
    // }
    // G4cout << "It is BC408. cor_dE is " << cor_dE << G4endl;
    // G4double ratio = cor_dE/dE;
    // G4cout << "The ratio cor_dE/edep is "<< ratio << G4endl;
  }
  return cor_dE;
}

Referenced by TofPmtAccum().

BirksLaw() [2/3]

G4double BesTofDigitizerEcV3::BirksLaw

(

BesTofHit *

hit

)

BirksLaw() [3/3]

G4double BesTofDigitizerEcV3::BirksLaw

(

BesTofHit *

hit

)

Digitize() [1/3]

void BesTofDigitizerEcV3::Digitize ( ScintSingle * scint, BesTofDigitsCollection * DC )

virtual

Reimplemented from BesTofDigitizerV.

Definition at line 167 of file BesTofDigitizerEcV3.cc.

                                                                                   {
  m_beamTime               = m_G4Svc->GetBeamTime() * ns;
  m_besTofDigitsCollection = DC;
 
  G4DigiManager* digiManager = G4DigiManager::GetDMpointer();
 
  G4int THCID = digiManager->GetHitsCollectionID( "BesTofHitsCollection" );
  m_THC       = (BesTofHitsCollection*)( digiManager->GetHitsCollection( THCID ) );
 
  if ( m_G4Svc->TofRootFlag() )
  {
    m_eTotal    = 0;
    m_nDigi     = 0;
    m_partIdMPV = -9;
    m_scinNbMPV = -9;
    m_edepMPV   = 0;
    m_nDigiOut  = 0;
  }
 
  if ( m_THC )
  {
    // for each digi, compute TDC and ADC
    G4int      partId, scinNb, nHits;
    G4double   edep;
    BesTofHit* hit;
    partId = scint->GetPartId();
    scinNb = scint->GetScinNb();
    edep   = scint->GetEdep();
    nHits  = scint->GetHitIndexes()->size();
 
    TofPmtInit();
 
    // fill tof Ntuple
    if ( m_G4Svc->TofRootFlag() )
    {
      if ( edep > m_edepMPV )
      {
        m_partIdMPV = partId;
        m_scinNbMPV = scinNb;
        m_edepMPV   = edep;
      }
      m_eTotal += edep;
      m_nDigi++;
 
      m_partId = partId;
      m_scinNb = scinNb;
      m_edep   = edep;
      m_nHits  = nHits;
    }
 
    if ( edep > 0.01 )
    {
      for ( G4int j = 0; j < nHits; j++ )
      {
        hit = ( *m_THC )[( *( scint->GetHitIndexes() ) )[j]];
        TofPmtAccum( hit );
      }
 
      if ( m_G4Svc->TofRootFlag() )
      {
        m_time1st0   = m_t1st[0];
        m_time1st1   = m_t1st[1];
        m_timelast0  = m_tLast[0];
        m_timelast1  = m_tLast[1];
        m_totalPhot0 = m_totalPhot[0];
        m_totalPhot1 = m_totalPhot[1];
      }
 
      // get final tdc and adc
      TofPmtRspns( partId, scinNb );
 
      G4double temp0 = m_ADC[0] + m_TDC[0];
      G4double temp1 = m_ADC[1] + m_TDC[1];
      // const double MAX_ADC = 8191*0.3; // channel set up to 8192 will lead to overflow.
      if ( ( partId != 1 ) && temp0 > 0. )
      {
        BesTofDigi* digi = new BesTofDigi;
        digi->SetTrackIndex( m_trackIndex );
        digi->SetPartId( partId );
        digi->SetScinNb( scinNb );
        digi->SetForwADC( m_ADC[0] );
        digi->SetBackADC( m_ADC[1] );
        if ( m_TDC[0] > 0. ) m_TDC[0] = m_TDC[0] + m_beamTime;
        digi->SetForwTDC( m_TDC[0] );
        digi->SetBackTDC( m_TDC[1] );
 
        // G4cout << "BesTofDigitizerEcV3:     ForwTDC   |   BackTDC  "  << m_TDC[0] << "  |  "
        // << m_TDC[1] << G4endl; G4cout<<"endcap\nadc0:"<<m_ADC[0]<<"; adc1:"<<m_ADC[1]<<";
        // tdc0:"<<m_TDC[0]<<"; tdc1:"<<m_TDC[1]<<G4endl;
        m_besTofDigitsCollection->insert( digi );
        if ( m_G4Svc->TofRootFlag() ) m_nDigiOut++;
      }
      if ( m_G4Svc->TofRootFlag() ) m_tupleTof1->write();
      // cout << "m_tupleTof1->write()" << endl;
    }
  }
  if ( m_G4Svc->TofRootFlag() ) m_tupleTof2->write();
  // cout << "m_tupleTof2->write()" << endl;
}

Digitize() [2/3]

virtual void BesTofDigitizerEcV3::Digitize ( ScintSingle * , BesTofDigitsCollection *  )

virtual

Reimplemented from BesTofDigitizerV.

Digitize() [3/3]

virtual void BesTofDigitizerEcV3::Digitize ( ScintSingle * , BesTofDigitsCollection *  )

virtual

Reimplemented from BesTofDigitizerV.

DirectPh() [1/3]

void BesTofDigitizerEcV3::DirectPh	(	G4int	rBin,
		G4int	phiBin,
		G4int	zBin,
		G4double &	t )

Definition at line 476 of file BesTofDigitizerEcV3.cc.

                                                                                      {
  G4double ran = G4UniformRand();
  G4double p   = 0;
  G4int    nth = 1;
  G4int    key = 0;
  t            = 0;
  while ( 1 )
  {
    if ( p > ran || nth == 400 )
    {
      key = nth;
      // G4cout << "Value found!" << G4endl;
      break;
    }
    p = p + prob[rBin][phiBin][zBin][nth];
    nth++;
  }
  t = propTime[rBin][phiBin][zBin][key - 1];
}

Referenced by TofPmtAccum().

DirectPh() [2/3]

void BesTofDigitizerEcV3::DirectPh	(	G4int	,
		G4int	,
		G4int	,
		G4double &	)

DirectPh() [3/3]

void BesTofDigitizerEcV3::DirectPh	(	G4int	,
		G4int	,
		G4int	,
		G4double &	)

ReadData() [1/3]

void BesTofDigitizerEcV3::ReadData

(

)

Definition at line 80 of file BesTofDigitizerEcV3.cc.

                                   {
  BesTofGeoParameter* tofPara = BesTofGeoParameter::GetInstance();
 
  m_ecR1       = tofPara->GetEcR1();
  m_tau1Ec     = tofPara->GetTau1Ec();
  m_tau2Ec     = tofPara->GetTau2Ec();
  m_tau3Ec     = tofPara->GetTau3Ec();
  m_tauRatioEc = tofPara->GetTauRatioEc();
  m_refIndexEc = tofPara->GetRefIndexEc();
  m_phNConstEc = tofPara->GetPhNConstEc();
  m_Cpe2pmtEc  = tofPara->GetCpe2pmtEc();
  m_rAngleEc   = tofPara->GetRAngleEc();
  m_QEEc       = tofPara->GetQEEc();
  m_CEEc       = tofPara->GetCEEc();
  m_peCorFacEc = tofPara->GetPeCorFacEc();
  m_attenEc    = tofPara->GetAttenEc();
 
  m_ttsMeanEc    = tofPara->GetTTSmeanEc();
  m_ttsSigmaEc   = tofPara->GetTTSsigmaEc();
  m_PMTgainEc    = tofPara->GetPMTgainEc();
  m_CeEc         = tofPara->GetCeEc();
  m_riseTimeEc   = tofPara->GetRiseTimeEc();
  m_LLthreshEc   = tofPara->GetLLthreshEc();
  m_HLthreshEc   = tofPara->GetHLthreshEc();
  m_preGainEc    = tofPara->GetPreGainEc();
  m_noiseSigmaEc = tofPara->GetNoiseSigmaEc();
 
  // G4cout << "m_LLthreshEc:" << m_LLthreshEc << "; m_HLthreshEc:" << m_HLthreshEc << G4endl;
}

Referenced by BesTofDigitizerEcV3().

ReadData() [2/3]

void BesTofDigitizerEcV3::ReadData

(

)

ReadData() [3/3]

void BesTofDigitizerEcV3::ReadData

(

)

ReadEffTree() [1/3]

void BesTofDigitizerEcV3::ReadEffTree

(

)

Definition at line 111 of file BesTofDigitizerEcV3.cc.

                                      {
  int       rBin, phiBin, zBin;
  const int nR   = 43;
  const int nPhi = 6;
  const int nZ   = 6;
  float     efficiency0, x[400], y[400];
 
  G4String dataPath = getenv( "TOFSIMROOT" );
  if ( !dataPath )
  {
    G4cout << "Boss environment is not set!" << G4endl;
    exit( -1 );
  }
 
  char  treePath[200];
  G4int runId = m_RealizationSvc->getRunId();
  if ( runId >= -80000 && runId <= -9484 )
  {
    // After TOF HV adjustment, endcap attenL was set to 5000mm.
    sprintf( treePath, "%s/dat/effTree_1600mm.root", dataPath.c_str() );
  }
  else
  {
    // Before TOF HV adjustment, endcap attenL was set to 1600mm.
    sprintf( treePath, "%s/dat/effTree_1600mm.root", dataPath.c_str() );
  }
 
  TFile* f = new TFile( treePath, "read" );
  TTree* t = (TTree*)f->Get( "effTree" );
 
  t->SetBranchAddress( "rBin", &rBin );
  t->SetBranchAddress( "phiBin", &phiBin );
  t->SetBranchAddress( "zBin", &zBin );
  t->SetBranchAddress( "efficiency0", &efficiency0 );
  t->SetBranchAddress( "x", x );
  t->SetBranchAddress( "y", y );
 
  int r, phi, z;
  for ( Int_t i = 0; i < nR * nPhi * nZ; i++ )
  {
    t->GetEntry( i );
    r              = rBin;
    phi            = phiBin;
    z              = zBin;
    eff[r][phi][z] = efficiency0;
    for ( Int_t j = 0; j < 400; j++ )
    {
      propTime[r][phi][z][j] = x[j];
      prob[r][phi][z][j]     = y[j];
      // cout << "\n" << propTime[r][phi][z][j] << "   " << prob[r][phi][z][j] << endl;
    }
  }
}

Referenced by BesTofDigitizerEcV3().

ReadEffTree() [2/3]

void BesTofDigitizerEcV3::ReadEffTree

(

)

ReadEffTree() [3/3]

void BesTofDigitizerEcV3::ReadEffTree

(

)

Scintillation() [1/3]

G4double BesTofDigitizerEcV3::Scintillation

(

G4int

partId

)

Definition at line 496 of file BesTofDigitizerEcV3.cc.

                                                          {
  G4double tmp_tauRatio, tmp_tau1, tmp_tau2, tmp_tau3;
  tmp_tauRatio = m_tauRatioEc;
  tmp_tau1     = m_tau1Ec;
  tmp_tau2     = m_tau2Ec;
  tmp_tau3     = m_tau3Ec;
 
  G4double UniformR = tmp_tauRatio / ( 1 + tmp_tauRatio );
  G4double EmissionTime;
  if ( G4UniformRand() > UniformR )
  {
    while ( 1 )
    {
      EmissionTime = -tmp_tau2 * log( G4UniformRand() );
      if ( G4UniformRand() - exp( EmissionTime / tmp_tau2 - EmissionTime / tmp_tau1 ) > 1.E-8 )
        break;
    }
  }
  else EmissionTime = -tmp_tau3 * log( G4UniformRand() );
  return EmissionTime;
}

Referenced by TofPmtAccum().

Scintillation() [2/3]

G4double BesTofDigitizerEcV3::Scintillation

(

G4int

)

Scintillation() [3/3]

G4double BesTofDigitizerEcV3::Scintillation

(

G4int

)

TofPmtAccum() [1/3]

void BesTofDigitizerEcV3::TofPmtAccum

(

BesTofHit *

hit

)

Definition at line 308 of file BesTofDigitizerEcV3.cc.

                                                      {
  G4double cvelScint = c_light / m_refIndexEc;
  // Get information of this step
  G4ThreeVector pos        = hit->GetPos();
  G4int         trackIndex = hit->GetTrackIndex();
  G4int         partId     = hit->GetPartId();
  G4double      edep       = hit->GetEdep();
  G4double      stepL      = hit->GetStepL();
  // G4String particleName = hit->GetPName();
  G4double deltaT     = hit->GetDeltaT();
  G4double timeFlight = hit->GetTime() - m_beamTime;
  if ( timeFlight < m_globalTime )
  {
    m_globalTime = timeFlight;
    m_trackIndex = trackIndex;
  }
 
  G4ThreeVector pDirection = hit->GetPDirection();
  G4double      nx         = pDirection.x();
  G4double      ny         = pDirection.y();
  G4double      nz         = pDirection.z();
 
  // number of photons generated in this step
  G4int    NphStep;
  G4double nMean, nPhoton;
  nMean = m_phNConstEc * BirksLaw( hit );
 
  if ( nMean > 10 )
  {
    G4double resolutionScale = 1.;
    G4double sigma           = resolutionScale * sqrt( nMean );
    nPhoton                  = G4int( G4RandGauss::shoot( nMean, sigma ) + 0.5 );
  }
  else nPhoton = G4int( G4Poisson( nMean ) );
 
  NphStep = G4int( nPhoton * 0.66 * m_QEEc * m_CEEc );
  // G4cout << "\nradius:" << radius << "; phi:" << phi << "; z:" << z << G4endl;
  // G4cout << "\nrBin:" << rBin << ";phiBin:" << phiBin << ";zBin" << zBin << G4endl;
 
  if ( m_G4Svc->TofRootFlag() ) m_NphAllSteps += G4int( nPhoton * 0.66 * m_QEEc * m_CEEc );
 
  if ( NphStep > 0 )
  {
    for ( G4int i = 0; i < NphStep; i++ )
    {
      // uniform scintilation in each step
      G4double ddS, ddT;
      ddS = stepL * G4UniformRand();
      ddT = deltaT * G4UniformRand();
      G4ThreeVector emtPos;
      emtPos.setX( pos.x() + nx * ddS );
      emtPos.setY( pos.y() + ny * ddS );
      emtPos.setZ( pos.z() + nz * ddS );
 
      // retrieve the histogram info
      G4double radius    = sqrt( emtPos.x() * emtPos.x() + emtPos.y() * emtPos.y() ) - m_ecR1;
      const G4double pie = 2. * asin( 1. );
      G4double       phi = 0;
      if ( emtPos.x() > 0 && emtPos.y() > 0 ) phi = atan( emtPos.y() / emtPos.x() );
      else if ( emtPos.x() == 0 && emtPos.y() > 0 ) phi = pie / 2.;
      else if ( emtPos.x() < 0 ) phi = atan( emtPos.y() / emtPos.x() ) + pie;
      else if ( emtPos.x() == 0 && emtPos.y() < 0 ) phi = 1.5 * pie;
      else if ( emtPos.x() > 0 && emtPos.y() < 0 )
        phi = 2. * pie + atan( emtPos.y() / emtPos.x() );
      phi        = phi * 180. / pie; // in degrees
      G4double z = fabs( emtPos.z() );
      // Warning: Should obtain absolute value of z to determine zBinNum
 
      G4int    rBin   = G4int( radius / 10. );              // radius bin no.
      G4double resPhi = phi - ( G4int( phi / 7.5 ) * 7.5 ); // residual of phi in period of 7.5
      G4int    phiBin = G4int( resPhi / 1.25 );
      G4int    zBin   = G4int( ( z - 1332. ) / 8. );
 
      // check scinillation light whether to hit the pmt or not
      // forb=0/1 for forward(z>0, east) and backward(z<0, west)
      G4int    forb       = 0;
      G4double transpTime = 0;
      G4double pathL      = 0;
      G4double efficiency1;
      G4double efficiency2;
      efficiency1 = G4RandGauss::shoot( 0, 0.004 );
      if ( rBin >= 0 && rBin <= nR && phiBin >= 0 && phiBin <= nPhi && zBin >= 0 &&
           zBin <= nZ )
        efficiency1 += eff[rBin][phiBin][zBin];
      else efficiency1 = 0;
      // G4cout << "FATAL: The collection efficiency does NOT exist!" << G4endl;
      if ( m_attenEc == 0 )
      {
        G4cout << " ERROR: Attenuation Length is null!" << G4endl;
        break;
      }
      // efficiency2 = pow(efficiency1,(1600/m_attenEc));
      if ( G4UniformRand() <= efficiency1 )
      {
        DirectPh( rBin, phiBin, zBin, transpTime );
        // cout << "transpTime:" << transpTime << endl;
      }
 
      // check if photon can reach PMT or not, after attenuation
      // G4double ran = G4UniformRand();
      // pathL = transpTime*cvelScint;
      // if (pathL>0 && exp(-pathL/m_attenEc) > ran)  // Note: Do NOT double count attuation!
      if ( transpTime > 0 )
      {
        // propagation time in scintillator
        G4double scinSwim = transpTime;
        // scintillation timing
        G4double scinTime = Scintillation( partId );
 
        // PMT transit time
        G4double transitTime = TransitTime();
        // sum up all time components
        G4double endTime = timeFlight + ddT + scinSwim + scinTime + transitTime;
 
        if ( m_G4Svc->TofRootFlag() )
        {
          // m_forb = forb;
          m_timeFlight  = timeFlight + ddT;
          m_ddT         = ddT;
          m_scinSwim    = scinSwim;
          m_scinTime    = scinTime;
          m_transitTime = transitTime;
          m_endTime     = endTime;
          m_tupleTof3->write();
        }
 
        // store timing into binned buffer
        AccuSignal( endTime, forb );
 
        // update 1st and last timings here
        if ( m_t1st[forb] > endTime ) m_t1st[forb] = endTime;
        if ( m_tLast[forb] < endTime ) m_tLast[forb] = endTime;
        // if(m_tLast[0]>100)
        // std::cout<<"endTime: "<<endTime<<std::endl;
      }
    }
  }
}

Referenced by Digitize().

TofPmtAccum() [2/3]

void BesTofDigitizerEcV3::TofPmtAccum

(

BesTofHit *

)

TofPmtAccum() [3/3]

void BesTofDigitizerEcV3::TofPmtAccum

(

BesTofHit *

)

TofPmtInit() [1/3]

void BesTofDigitizerEcV3::TofPmtInit

(

)

Definition at line 267 of file BesTofDigitizerEcV3.cc.

                                     {
  Initialize();
 
  m_ADC[0]     = -999.;
  m_ADC[1]     = -999.;
  m_TDC[0]     = -999.;
  m_TDC[1]     = -999.;
  m_trackIndex = -999;
  m_globalTime = 9999;
 
  m_t1st[0]      = 100;
  m_t1st[1]      = 100;
  m_tLast[0]     = 0.;
  m_tLast[1]     = 0;
  m_totalPhot[0] = 0;
  m_totalPhot[1] = 0;
  for ( G4int i = 0; i < 2; i++ )
    for ( G4int j = 0; j < m_profBinNEcV3; j++ ) m_nPhot[j][i] = 0;
 
  if ( m_G4Svc->TofRootFlag() )
  {
    m_partId      = -9;
    m_scinNb      = -9;
    m_edep        = 0;
    m_nHits       = 0;
    m_time1st0    = 100;
    m_time1st1    = 100;
    m_timelast0   = 0;
    m_timelast1   = 0;
    m_totalPhot0  = 0;
    m_totalPhot1  = 0;
    m_NphAllSteps = 0;
    m_max0        = 0;
    m_max1        = 0;
    m_tdc0        = -999;
    m_adc0        = -999;
    m_tdc1        = -999;
    m_adc1        = -999;
  }
}

Referenced by Digitize().

TofPmtInit() [2/3]

void BesTofDigitizerEcV3::TofPmtInit

(

)

TofPmtInit() [3/3]

void BesTofDigitizerEcV3::TofPmtInit

(

)

TofPmtRspns() [1/3]

void BesTofDigitizerEcV3::TofPmtRspns	(	G4int	partId,
		G4int	scinNb )

Definition at line 534 of file BesTofDigitizerEcV3.cc.

                                                                  {
  // to generate PMT signal shape for single photoelectron.
  // only one time for a job.
  static G4double snpe[m_snpeBinNEcV3];
  static G4int    istore_snpe = -1;
 
  // Model: f(t)=Gain*mv_1pe* t**2 * exp-(t/tau)**2/normal-const
  // normalization const =sqrt(pi)*tau*tau*tau/4.0
  G4double tau         = m_riseTimeEc;
  G4double norma_const = sqrt( M_PI ) * tau * tau * tau / 4.0; // in unit of ns**3
  G4double echarge     = 1.6e-7;                               // in unit of PC
 
  // time profile of pmt signals for Back and Forward PMT.
  G4double profPmt[m_profBinNEcV3][2];
 
  G4double t;
  G4int    n1, n2, ii;
  G4int    phtn;
 
  if ( istore_snpe < 0 )
  {
    istore_snpe = 1;
    for ( G4int i = 0; i < m_snpeBinNEcV3; i++ )
    {
      t       = ( i + 1 ) * m_timeBinSize;
      snpe[i] = m_CeEc * t * t * exp( -( t / tau ) * ( t / tau ) ) / norma_const;
    }
  }
  // for barrel and endcap tof: fb=2 or 1
  G4int fb = 1; // for endcap part
 
  G4double tmpADC[2] = { 0, 0 };
 
  for ( G4int j = 0; j < fb; j++ )
  {
    if ( m_totalPhot[j] > 0 )
    {
      n1 = G4int( m_t1st[j] / m_timeBinSize );
      n2 = G4int( m_tLast[j] / m_timeBinSize );
 
      for ( G4int i = 0; i < m_profBinNEcV3; i++ ) profPmt[i][j] = 0.0;
 
      // generate PMT pulse
      n2 = n2 < m_profBinNEcV3 ? n2 : m_profBinNEcV3;
      for ( G4int i = n1; i < n2; i++ )
      {
        phtn = m_nPhot[i][j];
        if ( phtn > 0 )
        {
          G4double Npoisson;
          while ( 1 )
          {
            Npoisson = G4Poisson( 10.0 );
            if ( Npoisson > 0 ) break;
          }
          G4double tmpPMTgain;
          while ( 1 )
          {
            m_PMTgainEc = m_tofSimSvc->EndPMTGain();
            tmpPMTgain  = G4RandGauss::shoot( m_PMTgainEc, m_PMTgainEc / sqrt( Npoisson ) );
            // tmpPMTgain = m_PMTgainEc;
            if ( tmpPMTgain > 0 ) break;
          }
          tmpADC[j] += phtn * tmpPMTgain;
 
          for ( G4int ihst = 0; ihst < m_snpeBinNEcV3; ihst++ )
          {
            ii = i + ihst;
            if ( ii < m_profBinNEcV3 ) profPmt[ii][j] += tmpPMTgain * phtn * snpe[ihst];
            else break;
          }
        }
      }
 
      // add preamplifier and noise
      for ( int i = 0; i < m_profBinNEcV3; i++ )
      {
        if ( profPmt[i][j] > 0 )
          profPmt[i][j] =
              m_preGainEc * profPmt[i][j] + G4RandGauss::shoot( 0, m_noiseSigmaEc );
      }
 
      // get pulse height
      G4double max = 0;
      for ( int i = n1; i < m_profBinNEcV3; i++ )
      {
        if ( profPmt[i][j] > max ) max = profPmt[i][j];
      }
      if ( m_G4Svc->TofRootFlag() )
      {
        if ( j == 0 ) m_max0 = max;
        else m_max1 = max;
      }
 
      G4double tmp_HLthresh, tmp_LLthresh, ratio;
 
      //      G4int runId = m_RealizationSvc->getRunId();
      //      if(runId>=-80000 && runId<=-9484)
      //      {
      //        // After TOF HV adjustment, PMT Gain of barrel TOF in MC is set to 5.E5
      //        // High/Low Threshold for barrel: 500/125 mV
      //        tmp_HLthresh = m_HLthreshEc;
      //        tmp_LLthresh = m_LLthreshEc;
      //      }
      //      else
      //      {
      //        // Before TOF HV adjustment, PMT Gain of barrel TOF in MC is set to 2.5E5
      //        // High/Low Threshold for barrel: 600/150 mV
      //        tmp_HLthresh = 800;
      //        tmp_LLthresh = 200;
      //      }
 
      G4double adcFactor = 3.35;
      //      double ratio;
      //      if (runId>=-80000 && runId<=-9484)
      //      {
      //        ratio = 1.22*1354.4/1282.1;
      //      }
      //      else
      //      {
      //        ratio = 1.77*2028.8/1931.4;
      //      }
 
      tmp_HLthresh = m_tofSimSvc->EndHighThres();
      tmp_LLthresh = m_tofSimSvc->EndLowThres();
      ratio        = m_tofSimSvc->EndConstant();
 
      // get final tdc and adc
      if ( max >= tmp_HLthresh )
      {
        for ( int i = 0; i < m_profBinNEcV3; i++ )
        {
          if ( profPmt[i][j] >= tmp_LLthresh )
          {
            m_TDC[j] =
                i * m_timeBinSize +
                G4RandGauss::shoot( 0, 0.025 ); // Adding Electronical Uncertainty of 25ps
            G4double NoiseSigma     = 0;
            G4int    EndNoiseSwitch = int( m_tofSimSvc->EndNoiseSwitch() );
            // std::cout << " EndNoiseSwitch = " << EndNoiseSwitch << std::endl;
            switch ( EndNoiseSwitch )
            {
            case 0: NoiseSigma = 0.; break;
            case 1:
              if ( partId == 0 ) { NoiseSigma = m_tofSimSvc->EndNoiseSmear( scinNb ); }
              if ( partId == 2 ) { NoiseSigma = 0.; }
              break;
            case 2:
              if ( partId == 0 ) { NoiseSigma = m_tofSimSvc->EndNoiseSmear( scinNb ); }
              if ( partId == 2 ) { NoiseSigma = m_tofSimSvc->EndNoiseSmear( scinNb + 48. ); }
              break;
            }
            // std::cout << "ID : " << scinNb + 48.*partId/2. << " Sigma : " << NoiseSigma <<
            // std::endl;
            m_TDC[j] =
                m_TDC[j] + G4RandGauss::shoot( 0, NoiseSigma ); // Adding Endcap Noise Smear
 
            // use the saturation curve
 
            if ( m_G4Svc->TofSaturationFlag() )
            {
              double x  = tmpADC[j] * m_preGainEc * echarge * ratio;
              int    id = 0;
              if ( partId == 0 ) { id = scinNb; }
              if ( partId == 2 ) { id = scinNb + 48; }
 
              m_ADC[j] = m_tofQElecSvc->EQChannel( id, x );
            }
            else m_ADC[j] = tmpADC[j] * m_preGainEc * echarge * adcFactor;
 
            if ( m_G4Svc->TofRootFlag() )
            {
              if ( j == 0 )
              {
                m_tdc0 = m_TDC[0];
                m_adc0 = m_ADC[0];
              }
              else
              {
                m_tdc1 = m_TDC[1];
                m_adc1 = m_ADC[1];
              }
            }
            break;
          }
        }
      }
    }
  }
}

Referenced by Digitize().

TofPmtRspns() [2/3]

void BesTofDigitizerEcV3::TofPmtRspns	(	G4int	,
		G4int	)

TofPmtRspns() [3/3]

void BesTofDigitizerEcV3::TofPmtRspns	(	G4int	,
		G4int	)

TransitTime() [1/3]

G4double BesTofDigitizerEcV3::TransitTime

(

)

Definition at line 518 of file BesTofDigitizerEcV3.cc.

                                          {
  // get time transit spread
  // G4cout << "TTS mean:" << m_ttsMeanEc << "; " << m_ttsSigmaEc << G4endl;
  return G4RandGauss::shoot( m_ttsMeanEc, m_ttsSigmaEc );
}

Referenced by TofPmtAccum().

TransitTime() [2/3]

G4double BesTofDigitizerEcV3::TransitTime

(

)

TransitTime() [3/3]

G4double BesTofDigitizerEcV3::TransitTime

(

)

---

The documentation for this class was generated from the following files:

• InstallArea/x86_64-el9-gcc13-dbg/include/TofSim/BesTofDigitizerEcV3.hh
• InstallArea/x86_64-el9-gcc13-opt/include/TofSim/BesTofDigitizerEcV3.hh
• Simulation/BOOST/TofSim/include/TofSim/BesTofDigitizerEcV3.hh
• BesTofDigitizerEcV3.cc