#include <G4RadioactiveDecay.hh>

Inheritance diagram for G4RadioactiveDecay:

Public Member Functions
	G4RadioactiveDecay (const G4String &processName="RadioactiveDecay", const G4double timeThresholdForRadioactiveDecays=-1.0)

	~G4RadioactiveDecay () override

G4VParticleChange *	DecayIt (const G4Track &theTrack, const G4Step &theStep) override

void	ProcessDescription (std::ostream &outFile) const override

void	SetDecayBias (const G4String &filename)

void	SetHLThreshold (G4double hl)

void	SetSourceTimeProfile (const G4String &filename)

G4bool	IsRateTableReady (const G4ParticleDefinition &)

void	CalculateChainsFromParent (const G4ParticleDefinition &)

void	GetChainsFromParent (const G4ParticleDefinition &)

void	SetDecayRate (G4int, G4int, G4double, G4int, std::vector< G4double > &, std::vector< G4double > &)

std::vector< G4RadioactivityTable * > &	GetTheRadioactivityTables ()

void	SetAnalogueMonteCarlo (G4bool r)

G4bool	IsAnalogueMonteCarlo ()

void	SetBRBias (G4bool r)

void	SetSplitNuclei (G4int r)

G4int	GetSplitNuclei ()

	G4RadioactiveDecay (const G4RadioactiveDecay &right)=delete

G4RadioactiveDecay &	operator= (const G4RadioactiveDecay &right)=delete

Public Member Functions inherited from G4VRadioactiveDecay
	G4VRadioactiveDecay (const G4String &processName="RadioactiveDecay", const G4double timeThreshold=-1.0)

	~G4VRadioactiveDecay () override

G4bool	IsApplicable (const G4ParticleDefinition &) override

G4VParticleChange *	AtRestDoIt (const G4Track &theTrack, const G4Step &theStep) override

G4VParticleChange *	PostStepDoIt (const G4Track &theTrack, const G4Step &theStep) override

void	BuildPhysicsTable (const G4ParticleDefinition &) override

void	ProcessDescription (std::ostream &outFile) const override

G4DecayTable *	GetDecayTable (const G4ParticleDefinition *)

void	SelectAVolume (const G4String &aVolume)

void	DeselectAVolume (const G4String &aVolume)

void	SelectAllVolumes ()

void	DeselectAllVolumes ()

void	SetARM (G4bool arm)

G4DecayTable *	LoadDecayTable (const G4Ions *)

void	AddUserDecayDataFile (G4int Z, G4int A, const G4String &filename)

void	SetNucleusLimits (G4NucleusLimits theNucleusLimits1)

G4NucleusLimits	GetNucleusLimits () const

void	SetDecayDirection (const G4ThreeVector &theDir)

const G4ThreeVector &	GetDecayDirection () const

void	SetDecayHalfAngle (G4double halfAngle=0.*CLHEP::deg)

G4double	GetDecayHalfAngle () const

void	SetDecayCollimation (const G4ThreeVector &theDir, G4double halfAngle=0.*CLHEP::deg)

void	SetThresholdForVeryLongDecayTime (const G4double inputThreshold)

G4double	GetThresholdForVeryLongDecayTime () const

void	StreamInfo (std::ostream &os, const G4String &endline)

	G4VRadioactiveDecay (const G4VRadioactiveDecay &right)=delete

G4VRadioactiveDecay &	operator= (const G4VRadioactiveDecay &right)=delete

Public Member Functions inherited from G4VRestDiscreteProcess
	G4VRestDiscreteProcess (const G4String &, G4ProcessType aType=fNotDefined)

	G4VRestDiscreteProcess (G4VRestDiscreteProcess &)

virtual	~G4VRestDiscreteProcess ()

G4VRestDiscreteProcess &	operator= (const G4VRestDiscreteProcess &)=delete

virtual G4double	PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)

virtual G4double	AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)

virtual G4double	AlongStepGetPhysicalInteractionLength (const G4Track &, G4double, G4double, G4double &, G4GPILSelection *)

virtual G4VParticleChange *	AlongStepDoIt (const G4Track &, const G4Step &)

Public Member Functions inherited from G4VProcess
	G4VProcess (const G4String &aName="NoName", G4ProcessType aType=fNotDefined)

	G4VProcess (const G4VProcess &right)

virtual	~G4VProcess ()

G4VProcess &	operator= (const G4VProcess &)=delete

G4bool	operator== (const G4VProcess &right) const

G4bool	operator!= (const G4VProcess &right) const

G4double	GetCurrentInteractionLength () const

void	SetPILfactor (G4double value)

G4double	GetPILfactor () const

G4double	AlongStepGPIL (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)

G4double	AtRestGPIL (const G4Track &track, G4ForceCondition *condition)

G4double	PostStepGPIL (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)

virtual void	PreparePhysicsTable (const G4ParticleDefinition &)

virtual G4bool	StorePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)

virtual G4bool	RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)

const G4String &	GetPhysicsTableFileName (const G4ParticleDefinition *, const G4String &directory, const G4String &tableName, G4bool ascii=false)

const G4String &	GetProcessName () const

G4ProcessType	GetProcessType () const

void	SetProcessType (G4ProcessType)

G4int	GetProcessSubType () const

void	SetProcessSubType (G4int)

virtual const G4VProcess *	GetCreatorProcess () const

virtual void	StartTracking (G4Track *)

virtual void	EndTracking ()

virtual void	SetProcessManager (const G4ProcessManager *)

virtual const G4ProcessManager *	GetProcessManager ()

virtual void	ResetNumberOfInteractionLengthLeft ()

G4double	GetNumberOfInteractionLengthLeft () const

G4double	GetTotalNumberOfInteractionLengthTraversed () const

G4bool	isAtRestDoItIsEnabled () const

G4bool	isAlongStepDoItIsEnabled () const

G4bool	isPostStepDoItIsEnabled () const

virtual void	DumpInfo () const

void	SetVerboseLevel (G4int value)

G4int	GetVerboseLevel () const

virtual void	SetMasterProcess (G4VProcess *masterP)

const G4VProcess *	GetMasterProcess () const

virtual void	BuildWorkerPhysicsTable (const G4ParticleDefinition &part)

virtual void	PrepareWorkerPhysicsTable (const G4ParticleDefinition &)

Protected Member Functions
G4double	ConvolveSourceTimeProfile (const G4double, const G4double)

G4double	GetDecayTime ()

G4int	GetDecayTimeBin (const G4double aDecayTime)

G4double	GetMeanLifeTime (const G4Track &theTrack, G4ForceCondition *condition) override

void	AddDeexcitationSpectrumForBiasMode (G4ParticleDefinition apartDef, G4double weight, G4double currenTime, std::vector< double > &weights_v, std::vector< double > &times_v, std::vector< G4DynamicParticle > &secondaries_v)

Protected Member Functions inherited from G4VRadioactiveDecay
G4double	GetMeanFreePath (const G4Track &theTrack, G4double previousStepSize, G4ForceCondition *condition) override

G4double	GetMeanLifeTime (const G4Track &theTrack, G4ForceCondition *condition) override

void	DecayAnalog (const G4Track &theTrack, G4DecayTable *)

G4DecayProducts *	DoDecay (const G4ParticleDefinition &, G4DecayTable *)

void	CollimateDecay (G4DecayProducts *products)

void	CollimateDecayProduct (G4DynamicParticle *product)

G4ThreeVector	ChooseCollimationDirection () const

Protected Member Functions inherited from G4VProcess
void	SubtractNumberOfInteractionLengthLeft (G4double prevStepSize)

void	ClearNumberOfInteractionLengthLeft ()

Additional Inherited Members
Static Public Member Functions inherited from G4VProcess
static const G4String &	GetProcessTypeName (G4ProcessType)

Protected Attributes inherited from G4VRadioactiveDecay
G4ParticleChangeForRadDecay	fParticleChangeForRadDecay

G4RadioactiveDecayMessenger *	theRadioactiveDecayMessenger

G4PhotonEvaporation *	photonEvaporation

G4ITDecay *	decayIT

std::vector< G4String >	ValidVolumes

G4bool	isAllVolumesMode {true}

Protected Attributes inherited from G4VProcess
const G4ProcessManager *	aProcessManager = nullptr

G4VParticleChange *	pParticleChange = nullptr

G4ParticleChange	aParticleChange

G4double	theNumberOfInteractionLengthLeft = -1.0

G4double	currentInteractionLength = -1.0

G4double	theInitialNumberOfInteractionLength = -1.0

G4String	theProcessName

G4String	thePhysicsTableFileName

G4ProcessType	theProcessType = fNotDefined

G4int	theProcessSubType = -1

G4double	thePILfactor = 1.0

G4int	verboseLevel = 0

G4bool	enableAtRestDoIt = true

G4bool	enableAlongStepDoIt = true

G4bool	enablePostStepDoIt = true

Static Protected Attributes inherited from G4VRadioactiveDecay
static const G4double	levelTolerance = 10.0*CLHEP::eV

static DecayTableMap *	master_dkmap = nullptr

Detailed Description

Definition at line 70 of file G4RadioactiveDecay.hh.

Constructor & Destructor Documentation

◆ G4RadioactiveDecay() [1/2]

G4RadioactiveDecay::G4RadioactiveDecay	(	const G4String &	processName = "RadioactiveDecay",
		const G4double	timeThresholdForRadioactiveDecays = -1.0 )

Definition at line 93 of file G4RadioactiveDecay.cc.

  : G4VRadioactiveDecay(processName, timeThresholdForRadioactiveDecays)
{
#ifdef G4VERBOSE
  if (GetVerboseLevel() > 1) {
    G4cout << "G4RadioactiveDecay constructor: processName = " << processName
           << G4endl;
  }
#endif
 
  theRadioactivationMessenger = new G4RadioactivationMessenger(this);
 
  // Apply default values.
  NSourceBin  = 1;
  SBin[0]     = 0.* s;
  SBin[1]     = 1.* s;    // Convert to ns
  SProfile[0] = 1.;
  SProfile[1] = 0.;
  NDecayBin   = 1;
  DBin[0]     = 0. * s ;
  DBin[1]     = 1. * s;
  DProfile[0] = 1.;
  DProfile[1] = 0.;
  decayWindows[0] = 0;
  G4RadioactivityTable* rTable = new G4RadioactivityTable() ;
  theRadioactivityTables.push_back(rTable);
  NSplit      = 1;
  AnalogueMC = true;
  BRBias = true;
  halflifethreshold = 1000.*nanosecond;
}

Referenced by G4RadioactiveDecay(), and operator=().

◆ ~G4RadioactiveDecay()

G4RadioactiveDecay::~G4RadioactiveDecay ( )

override

Definition at line 138 of file G4RadioactiveDecay.cc.

139{

140 delete theRadioactivationMessenger;

141}

◆ G4RadioactiveDecay() [2/2]

G4RadioactiveDecay::G4RadioactiveDecay ( const G4RadioactiveDecay & right )

delete

Member Function Documentation

◆ AddDeexcitationSpectrumForBiasMode()

void G4RadioactiveDecay::AddDeexcitationSpectrumForBiasMode	(	G4ParticleDefinition *	apartDef,
		G4double	weight,
		G4double	currenTime,
		std::vector< double > &	weights_v,
		std::vector< double > &	times_v,
		std::vector< G4DynamicParticle * > &	secondaries_v )

protected

Definition at line 1106 of file G4RadioactiveDecay.cc.

{
  G4double elevel=((const G4Ions*)(apartDef))->GetExcitationEnergy();
  G4double life_time=apartDef->GetPDGLifeTime();
  G4ITDecay* anITChannel = 0;
 
  while (life_time < halflifethreshold && elevel > 0.) {
    decayIT->SetupDecay(apartDef);
    G4DecayProducts* pevap_products = decayIT->DecayIt(0.);
    G4int nb_pevapSecondaries = pevap_products->entries();
 
    G4DynamicParticle* a_pevap_secondary = 0;
    G4ParticleDefinition* secDef = 0;
    for (G4int ind = 0; ind < nb_pevapSecondaries; ind++) {
      a_pevap_secondary= pevap_products->PopProducts();
      secDef = a_pevap_secondary->GetDefinition();
 
      if (secDef->GetBaryonNumber() > 4) {
        elevel = ((const G4Ions*)(secDef))->GetExcitationEnergy();
        life_time = secDef->GetPDGLifeTime();
        apartDef = secDef;
        if (secDef->GetPDGStable() ) {
          weights_v.push_back(weight);
          times_v.push_back(currentTime);
          secondaries_v.push_back(a_pevap_secondary);
        }
      } else {
        weights_v.push_back(weight);
        times_v.push_back(currentTime);
        secondaries_v.push_back(a_pevap_secondary);
      }
    }
 
    delete anITChannel;
    delete pevap_products;
  }
}

Referenced by DecayIt().

◆ CalculateChainsFromParent()

void G4RadioactiveDecay::CalculateChainsFromParent ( const G4ParticleDefinition & theParentNucleus )

Definition at line 324 of file G4RadioactiveDecay.cc.

{
  // Use extended Bateman equation to calculate the radioactivities of all
  // progeny of theParentNucleus.  The coefficients required to do this are 
  // calculated using the method of P. Truscott (Ph.D. thesis and
  // DERA Technical Note DERA/CIS/CIS2/7/36/4/10) 11 January 2000.
  // Coefficients are then added to the decay rate table vector
 
  // Create and initialise variables used in the method.
  theDecayRateVector.clear();
 
  G4int nGeneration = 0;
 
  std::vector<G4double> taos;
 
  // Dimensionless A coefficients of Eqs. 4.24 and 4.25 of the TN
  std::vector<G4double> Acoeffs;
 
  // According to Eq. 4.26 the first coefficient (A_1:1) is -1
  Acoeffs.push_back(-1.);
 
  const G4Ions* ion = static_cast<const G4Ions*>(&theParentNucleus);
  G4int A = ion->GetAtomicMass();
  G4int Z = ion->GetAtomicNumber();
  G4double E = ion->GetExcitationEnergy();
  G4double tao = ion->GetPDGLifeTime();
  if (tao < 0.) tao = 1e-100;
  taos.push_back(tao);
  G4int nEntry = 0;
 
  // Fill the decay rate container (G4RadioactiveDecayRate) with the parent 
  // isotope data
  SetDecayRate(Z,A,E,nGeneration,Acoeffs,taos);   // Fill TP with parent lifetime
 
  // store the decay rate in decay rate vector
  theDecayRateVector.push_back(ratesToDaughter);
  ++nEntry;
 
  // Now start treating the secondary generations.
  G4bool stable = false;
  G4int j;
  G4VDecayChannel* theChannel = 0;
  G4NuclearDecay* theNuclearDecayChannel = 0;
 
  G4ITDecay* theITChannel = 0;
  G4BetaMinusDecay* theBetaMinusChannel = 0;
  G4BetaPlusDecay* theBetaPlusChannel = 0;
  G4AlphaDecay* theAlphaChannel = 0;
  G4ProtonDecay* theProtonChannel = 0;
  G4TritonDecay* theTritonChannel = 0;
  G4NeutronDecay* theNeutronChannel = 0;
  G4SFDecay* theFissionChannel = 0;
 
  G4RadioactiveDecayMode theDecayMode;
  G4double theBR = 0.0;
  G4int AP = 0;
  G4int ZP = 0;
  G4int AD = 0;
  G4int ZD = 0;
  G4double EP = 0.;
  std::vector<G4double> TP;
  std::vector<G4double> RP;   // A coefficients of the previous generation
  G4ParticleDefinition *theDaughterNucleus;
  G4double daughterExcitation;
  G4double nearestEnergy = 0.0;
  G4int nearestLevelIndex = 0;
  G4ParticleDefinition *aParentNucleus;
  G4IonTable* theIonTable;
  G4DecayTable* parentDecayTable;
  G4double theRate;
  G4double TaoPlus;
  G4int nS = 0;        // Running index of first decay in a given generation
  G4int nT = nEntry;   // Total number of decays accumulated over entire history
  const G4int nMode = G4RadioactiveDecayModeSize;
  G4double brs[nMode];
  //
  theIonTable = G4ParticleTable::GetParticleTable()->GetIonTable();
 
  G4int loop = 0;
  while (!stable) {   /* Loop checking, 01.09.2015, D.Wright */
    loop++;
    if (loop > 10000) {
      G4Exception("G4RadioactiveDecay::CalculateChainsFromParent()", "HAD_RDM_100",
                  JustWarning, "While loop count exceeded");
      break;
    }
    nGeneration++;
    for (j = nS; j < nT; ++j) {
      // First time through, get data for parent nuclide
      ZP = theDecayRateVector[j].GetZ();
      AP = theDecayRateVector[j].GetA();
      EP = theDecayRateVector[j].GetE();
      RP = theDecayRateVector[j].GetDecayRateC();
      TP = theDecayRateVector[j].GetTaos();
      if (GetVerboseLevel() > 1) {
        G4cout << "G4RadioactiveDecay::CalculateChainsFromParent: daughters of ("
               << ZP << ", " << AP << ", " << EP
               << ") are being calculated,  generation = " << nGeneration
               << G4endl;
      }
 
      aParentNucleus = theIonTable->GetIon(ZP,AP,EP);
      parentDecayTable = GetDecayTable(aParentNucleus);
      if (nullptr == parentDecayTable) { continue; }
 
      G4DecayTable* summedDecayTable = new G4DecayTable();
      // This instance of G4DecayTable is for accumulating BRs and decay
      // channels.  It will contain one decay channel per type of decay
      // (alpha, beta, etc.); its branching ratio will be the sum of all
      // branching ratios for that type of decay of the parent.  If the
      // halflife of a particular channel is longer than some threshold,
      // that channel will be inserted specifically and its branching
      // ratio will not be included in the above sums.
      // This instance is not used to perform actual decays.
 
      for (G4int k = 0; k < nMode; ++k) brs[k] = 0.0;
 
      // Go through the decay table and sum all channels having the same decay mode
      for (G4int i = 0; i < parentDecayTable->entries(); ++i) {
        theChannel = parentDecayTable->GetDecayChannel(i);
        theNuclearDecayChannel = static_cast<G4NuclearDecay*>(theChannel);
        theDecayMode = theNuclearDecayChannel->GetDecayMode();
        daughterExcitation = theNuclearDecayChannel->GetDaughterExcitation();
        theDaughterNucleus = theNuclearDecayChannel->GetDaughterNucleus();
        AD = ((const G4Ions*)(theDaughterNucleus))->GetAtomicMass();
        ZD = ((const G4Ions*)(theDaughterNucleus))->GetAtomicNumber();  
        const G4LevelManager* levelManager =
          G4NuclearLevelData::GetInstance()->GetLevelManager(ZD,AD);
 
        // Check each nuclide to see if it is metastable (lifetime > 1 usec) 
        // If so, add it to the decay chain by inserting its decay channel in
        // summedDecayTable.  If not, just add its BR to sum for that decay mode. 
        if (levelManager->NumberOfTransitions() ) {
          nearestEnergy = levelManager->NearestLevelEnergy(daughterExcitation);
          if ((std::abs(daughterExcitation - nearestEnergy) < levelTolerance) &&
          (std::abs(daughterExcitation - nearestEnergy) > DBL_EPSILON)) {
            // Level half-life is in ns and the threshold is set to 1 micros
            // by default, user can set it via the UI command
            nearestLevelIndex = (G4int)levelManager->NearestLevelIndex(daughterExcitation);
            if (levelManager->LifeTime(nearestLevelIndex)*ns >= halflifethreshold){
              // save the metastable decay channel 
              summedDecayTable->Insert(theChannel);
            } else {
              brs[theDecayMode] += theChannel->GetBR();
            }
          } else {
            brs[theDecayMode] += theChannel->GetBR();
          }
        } else {
          brs[theDecayMode] += theChannel->GetBR();
        }
 
      } // Combine decay channels (loop i)
 
      brs[BetaPlus] = brs[BetaPlus]+brs[KshellEC]+brs[LshellEC]+brs[MshellEC]+brs[NshellEC];  // Combine beta+ and EC 
      brs[KshellEC] = brs[LshellEC] = brs[MshellEC] = brs[NshellEC] = 0.0;
      for (G4int i = 0; i < nMode; ++i) {                 // loop over decay modes
        if (brs[i] > 0.) {
          switch (i) {
          case IT:
            // Decay mode is isomeric transition
            theITChannel = new G4ITDecay(aParentNucleus, brs[IT], 0.0, 0.0);
 
            summedDecayTable->Insert(theITChannel);
            break;
 
          case BetaMinus:
            // Decay mode is beta-
            theBetaMinusChannel = new G4BetaMinusDecay(aParentNucleus, brs[BetaMinus],
                                                       0.*MeV, 0.*MeV,
                                                       noFloat, allowed);
            summedDecayTable->Insert(theBetaMinusChannel);
            break;
 
          case BetaPlus:
            // Decay mode is beta+ + EC.
            theBetaPlusChannel = new G4BetaPlusDecay(aParentNucleus, brs[BetaPlus],
                                                     0.*MeV, 0.*MeV,
                                                     noFloat, allowed);
            summedDecayTable->Insert(theBetaPlusChannel);
            break;
 
          case Alpha:
            // Decay mode is alpha.
            theAlphaChannel = new G4AlphaDecay(aParentNucleus, brs[Alpha], 0.*MeV,
                                               0.*MeV, noFloat);
            summedDecayTable->Insert(theAlphaChannel);
            break;
 
          case Proton:
            // Decay mode is proton.
            theProtonChannel = new G4ProtonDecay(aParentNucleus, brs[Proton], 0.*MeV,
                                                 0.*MeV, noFloat);
            summedDecayTable->Insert(theProtonChannel);
            break;
 
          case Neutron:
            // Decay mode is neutron.
            theNeutronChannel = new G4NeutronDecay(aParentNucleus, brs[Neutron], 0.*MeV,
                                                   0.*MeV, noFloat);
            summedDecayTable->Insert(theNeutronChannel);
            break;
 
          case SpFission:
            // Decay mode is spontaneous fission
            theFissionChannel = new G4SFDecay(aParentNucleus, brs[SpFission], 0.*MeV,
                                              0.*MeV, noFloat);
            summedDecayTable->Insert(theFissionChannel);
            break;
        
          case BDProton:
            // Not yet implemented
            break;
 
          case BDNeutron:
            // Not yet implemented
            break;
 
          case Beta2Minus:
            // Not yet implemented
            break;
 
          case Beta2Plus:
            // Not yet implemented
            break;
 
          case Proton2:
            // Not yet implemented
            break;
 
          case Neutron2:
            // Not yet implemented
            break;
 
          case Triton:
            // Decay mode is Triton.
            theTritonChannel = new G4TritonDecay(aParentNucleus, brs[Triton], 0.*MeV,
                                                0.*MeV, noFloat);
            summedDecayTable->Insert(theTritonChannel);
            break;
 
          default:
            break;
          }
        }
      }
 
      // loop over all branches in summedDecayTable
      //
      for (G4int i = 0; i < summedDecayTable->entries(); ++i){
        theChannel = summedDecayTable->GetDecayChannel(i);
        theNuclearDecayChannel = static_cast<G4NuclearDecay*>(theChannel);
        theBR = theChannel->GetBR();
        theDaughterNucleus = theNuclearDecayChannel->GetDaughterNucleus();
 
        // First check if the decay of the original nucleus is an IT channel,
        // if true create a new ground-state nucleus
        if (theNuclearDecayChannel->GetDecayMode() == IT && nGeneration == 1) {
 
          A = ((const G4Ions*)(theDaughterNucleus))->GetAtomicMass();
          Z = ((const G4Ions*)(theDaughterNucleus))->GetAtomicNumber();
          theDaughterNucleus=theIonTable->GetIon(Z,A,0.);
        }
        if (IsApplicable(*theDaughterNucleus) && theBR > 0.0 && 
            aParentNucleus != theDaughterNucleus) { 
          // need to make sure daughter has decay table
          parentDecayTable = GetDecayTable(theDaughterNucleus);
          if (nullptr != parentDecayTable && parentDecayTable->entries() > 0) {
            A = ((const G4Ions*)(theDaughterNucleus))->GetAtomicMass();
            Z = ((const G4Ions*)(theDaughterNucleus))->GetAtomicNumber();
            E = ((const G4Ions*)(theDaughterNucleus))->GetExcitationEnergy();
 
            TaoPlus = theDaughterNucleus->GetPDGLifeTime();
            if (TaoPlus <= 0.)  TaoPlus = 1e-100;
 
            // first set the taos, one simply need to add to the parent ones
            taos.clear();
            taos = TP;   // load lifetimes of all previous generations 
            std::size_t k;
            //check that TaoPlus differs from other taos from at least 1.e5 relative difference
            //for (k = 0; k < TP.size(); ++k){
            //if (std::abs((TaoPlus-TP[k])/TP[k])<1.e-5 ) TaoPlus=1.00001*TP[k];
            //}
            taos.push_back(TaoPlus);  // add daughter lifetime to list
            // now calculate the coefficiencies
            //
            // they are in two parts, first the less than n ones
            // Eq 4.24 of the TN
            Acoeffs.clear();
            long double ta1,ta2;
            ta2 = (long double)TaoPlus;
            for (k = 0; k < RP.size(); ++k){
              ta1 = (long double)TP[k];    // loop over lifetimes of all previous generations
              if (ta1 == ta2) {
                theRate = 1.e100;
              } else {
                theRate = ta1/(ta1-ta2);
              }
              theRate = theRate * theBR * RP[k];
              Acoeffs.push_back(theRate);
            }
 
            // the second part: the n:n coefficiency
            // Eq 4.25 of the TN.  Note Yn+1 is zero apart from Y1 which is -1
            // as treated at line 1013 
            theRate = 0.;
            long double aRate, aRate1;
            aRate1 = 0.L;
            for (k = 0; k < RP.size(); ++k){
              ta1 = (long double)TP[k];
              if (ta1 == ta2 ) {
                aRate = 1.e100;
              } else {
                aRate = ta2/(ta1-ta2);
              }
              aRate = aRate * (long double)(theBR * RP[k]);
              aRate1 += aRate;
            }
            theRate = -aRate1;
            Acoeffs.push_back(theRate);           
            SetDecayRate (Z,A,E,nGeneration,Acoeffs,taos);
            theDecayRateVector.push_back(ratesToDaughter);
            nEntry++;
          } // there are entries in the table
        } // nuclide is OK to decay
      } // end of loop (i) over decay table branches
 
      delete summedDecayTable;
 
    } // Getting contents of decay rate vector (end loop on j)
    nS = nT;
    nT = nEntry;
    if (nS == nT) stable = true;
  } // while nuclide is not stable
 
  // end of while loop
  // the calculation completed here
 
 
  // fill the first part of the decay rate table
  // which is the name of the original particle (isotope)
  chainsFromParent.SetIonName(theParentNucleus.GetParticleName());
 
  // now fill the decay table with the newly completed decay rate vector
  chainsFromParent.SetItsRates(theDecayRateVector);
 
  // finally add the decayratetable to the tablevector
  theParentChainTable.push_back(chainsFromParent);
}

Referenced by DecayIt().

◆ ConvolveSourceTimeProfile()

G4double G4RadioactiveDecay::ConvolveSourceTimeProfile	(	const G4double	t,
		const G4double	tau )

protected

Definition at line 181 of file G4RadioactiveDecay.cc.

{
  G4double convolvedTime = 0.0;
  G4int nbin;
  if ( t > SBin[NSourceBin]) {
    nbin  = NSourceBin;
  } else {
    nbin = 0;
 
    G4int loop = 0;
    while (t > SBin[nbin]) {  // Loop checking, 01.09.2015, D.Wright
      loop++;
      if (loop > 1000) {
        G4Exception("G4RadioactiveDecay::ConvolveSourceTimeProfile()",
                    "HAD_RDM_100", JustWarning, "While loop count exceeded");
        break;
      }
      ++nbin;
    }
    --nbin;
  }
 
  // Use expm1 wherever possible to avoid large cancellation errors in
  // 1 - exp(x) for small x
  G4double earg = 0.0;
  if (nbin > 0) {
    for (G4int i = 0; i < nbin; ++i) {
      earg = (SBin[i+1] - SBin[i])/tau;
      if (earg < 100.) {
        convolvedTime += SProfile[i] * std::exp((SBin[i] - t)/tau) *
                         std::expm1(earg);
      } else {
        convolvedTime += SProfile[i] *
          (std::exp(-(t-SBin[i+1])/tau)-std::exp(-(t-SBin[i])/tau));
      }
    }
  }
  convolvedTime -= SProfile[nbin] * std::expm1((SBin[nbin] - t)/tau);
  // tau divided out of final result to provide probability of decay in window
 
  if (convolvedTime < 0.)  {
    G4cout << " Convolved time =: " << convolvedTime << " reset to zero! " << G4endl;
    G4cout << " t = " << t << " tau = " << tau << G4endl;
    G4cout << SBin[nbin] << " " << SBin[0] << G4endl;
    convolvedTime = 0.;
  }
#ifdef G4VERBOSE
  if (GetVerboseLevel() > 2)
    G4cout << " Convolved time: " << convolvedTime << G4endl;
#endif
  return convolvedTime;
}

Referenced by DecayIt().

◆ DecayIt()

G4VParticleChange * G4RadioactiveDecay::DecayIt	(	const G4Track &	theTrack,
		const G4Step &	theStep )

overridevirtual

Reimplemented from G4VRadioactiveDecay.

Definition at line 790 of file G4RadioactiveDecay.cc.

{
  // Initialize G4ParticleChange object, get particle details and decay table
  fParticleChangeForRadDecay.Initialize(theTrack);
  fParticleChangeForRadDecay.ProposeWeight(theTrack.GetWeight());
  const G4DynamicParticle* theParticle = theTrack.GetDynamicParticle();
  const G4ParticleDefinition* theParticleDef = theParticle->GetDefinition();
 
  // First check whether RDM applies to the current logical volume
  if (!isAllVolumesMode) {
    if (!std::binary_search(ValidVolumes.begin(), ValidVolumes.end(),
                     theTrack.GetVolume()->GetLogicalVolume()->GetName())) {
#ifdef G4VERBOSE
      if (GetVerboseLevel()>0) {
        G4cout <<"G4RadioactiveDecay::DecayIt : "
               << theTrack.GetVolume()->GetLogicalVolume()->GetName()
               << " is not selected for the RDM"<< G4endl;
        G4cout << " There are " << ValidVolumes.size() << " volumes" << G4endl;
        G4cout << " The Valid volumes are " << G4endl;
        for (std::size_t i = 0; i< ValidVolumes.size(); ++i)
                                  G4cout << ValidVolumes[i] << G4endl;
      }
#endif
      fParticleChangeForRadDecay.SetNumberOfSecondaries(0);
 
      // Kill the parent particle.
      fParticleChangeForRadDecay.ProposeTrackStatus(fStopAndKill) ;
      fParticleChangeForRadDecay.ProposeLocalEnergyDeposit(0.0);
      ClearNumberOfInteractionLengthLeft();
      return &fParticleChangeForRadDecay;
    }
  }
 
  // Now check if particle is valid for RDM
  if (!(IsApplicable(*theParticleDef) ) ) { 
    // Particle is not an ion or is outside the nucleuslimits for decay
#ifdef G4VERBOSE
    if (GetVerboseLevel() > 1) {
      G4cout << "G4RadioactiveDecay::DecayIt : "
             << theParticleDef->GetParticleName()
             << " is not an ion or is outside (Z,A) limits set for the decay. "
             << " Set particle change accordingly. "
             << G4endl;
    }
#endif
    fParticleChangeForRadDecay.SetNumberOfSecondaries(0);
 
    // Kill the parent particle
    fParticleChangeForRadDecay.ProposeTrackStatus(fStopAndKill) ;
    fParticleChangeForRadDecay.ProposeLocalEnergyDeposit(0.0);
    ClearNumberOfInteractionLengthLeft();
    return &fParticleChangeForRadDecay;
  }
 
  G4DecayTable* theDecayTable = GetDecayTable(theParticleDef);
 
  if (theDecayTable == nullptr || theDecayTable->entries() == 0) {
    // No data in the decay table.  Set particle change parameters
    // to indicate this.
#ifdef G4VERBOSE
    if (GetVerboseLevel() > 1) {
      G4cout << "G4RadioactiveDecay::DecayIt : "
             << "decay table not defined for "
             << theParticleDef->GetParticleName()
             << ". Set particle change accordingly. "
             << G4endl;
    }
#endif
    fParticleChangeForRadDecay.SetNumberOfSecondaries(0);
 
    // Kill the parent particle.
    fParticleChangeForRadDecay.ProposeTrackStatus(fStopAndKill) ;
    fParticleChangeForRadDecay.ProposeLocalEnergyDeposit(0.0);
    ClearNumberOfInteractionLengthLeft();
    return &fParticleChangeForRadDecay;
 
  } else { 
    // Data found.  Try to decay nucleus
    if (AnalogueMC) {
      G4VRadioactiveDecay::DecayAnalog(theTrack, theDecayTable);
 
    } else {
      // Proceed with decay using variance reduction 
      G4double energyDeposit = 0.0;
      G4double finalGlobalTime = theTrack.GetGlobalTime();
      G4double finalLocalTime = theTrack.GetLocalTime(); 
      G4int index;
      G4ThreeVector currentPosition;
      currentPosition = theTrack.GetPosition();
 
      G4IonTable* theIonTable;
      G4ParticleDefinition* parentNucleus;
 
      // Get decay chains for the given nuclide
      if (!IsRateTableReady(*theParticleDef))
    CalculateChainsFromParent(*theParticleDef);
      GetChainsFromParent(*theParticleDef);
 
      // Declare some of the variables required in the implementation
      G4int PZ;
      G4int PA;
      G4double PE;
      G4String keyName;
      std::vector<G4double> PT;
      std::vector<G4double> PR;
      G4double taotime;
      long double decayRate;
 
      std::size_t i;
      G4int numberOfSecondaries;
      G4int totalNumberOfSecondaries = 0;
      G4double currentTime = 0.;
      G4int ndecaych;
      G4DynamicParticle* asecondaryparticle;
      std::vector<G4DynamicParticle*> secondaryparticles;
      std::vector<G4double> pw;
      std::vector<G4double> ptime;
      pw.clear();
      ptime.clear();
 
      // Now apply the nucleus splitting
      for (G4int n = 0; n < NSplit; ++n) {
        // Get the decay time following the decay probability function 
        // supplied by user  
        G4double theDecayTime = GetDecayTime();
        G4int nbin = GetDecayTimeBin(theDecayTime);
 
        // calculate the first part of the weight function  
        G4double weight1 = 1.; 
        if (nbin == 1) {
          weight1 = 1./DProfile[nbin-1] 
                    *(DBin[nbin]-DBin[nbin-1])/NSplit;   // width of window in ns
        } else if (nbin > 1) {
          // Go from nbin to nbin-2 because flux entries in file alternate between 0 and 1 
          weight1 = 1./(DProfile[nbin]-DProfile[nbin-2])
                    *(DBin[nbin]-DBin[nbin-1])/NSplit;
          // weight1 = (probability of choosing one of the bins)*(time width of bin)/NSplit
        }
        // it should be calculated in seconds
        weight1 /= s ;
        
        // loop over all the possible secondaries of the nucleus
        // the first one is itself.
        for (i = 0; i < theDecayRateVector.size(); ++i) {
          PZ = theDecayRateVector[i].GetZ();
          PA = theDecayRateVector[i].GetA();
          PE = theDecayRateVector[i].GetE();
          PT = theDecayRateVector[i].GetTaos();
          PR = theDecayRateVector[i].GetDecayRateC();
 
          // The array of arrays theDecayRateVector contains all possible decay
          // chains of a given parent nucleus (ZP,AP,EP) to a given descendant
          // nuclide (Z,A,E).
          //
          // theDecayRateVector[0] contains the decay parameters of the parent
          // nucleus
          //           PZ = ZP
          //           PA = AP
          //           PE = EP
          //           PT[] = {TP}
          //           PR[] = {RP}
          //
          // theDecayRateVector[1] contains the decay of the parent to the first
          // generation daughter (Z1,A1,E1).
          //           PZ = Z1
          //           PA = A1
          //           PE = E1
          //           PT[] = {TP, T1}
          //           PR[] = {RP, R1}
          //
          // theDecayRateVector[2] contains the decay of the parent to the first
          // generation daughter (Z1,A1,E1) and the decay of the first
          // generation daughter to the second generation daughter (Z2,A2,E2).
          //           PZ = Z2
          //           PA = A2
          //           PE = E2
          //           PT[] = {TP, T1, T2}
          //           PR[] = {RP, R1, R2}
          //
          // theDecayRateVector[3] may contain a branch chain
          //           PZ = Z2a
          //           PA = A2a
          //           PE = E2a
          //           PT[] = {TP, T1, T2a}
          //           PR[] = {RP, R1, R2a}
          //
          // and so on.
 
          // Calculate the decay rate of the isotope.  decayRate is the
          // radioactivity of isotope (PZ,PA,PE) at 'theDecayTime'
          // it will be used to calculate the statistical weight of the 
          // decay products of this isotope
 
          // For each nuclide, calculate all the decay chains which can reach
          // the parent nuclide
          decayRate = 0.L;
          for (G4int j = 0; j < G4int(PT.size() ); ++j) {
            taotime = ConvolveSourceTimeProfile(theDecayTime,PT[j]);
            decayRate -= PR[j] * (long double)taotime;  // PRs are Acoeffs, taotime is inverse time
            // Eq.4.23 of of the TN
            // note the negative here is required as the rate in the
            // equation is defined to be negative, 
            // i.e. decay away, but we need positive value here.
 
            // G4cout << j << "\t"<< PT[j]/s << "\t" << PR[j] << "\t" << decayRate << G4endl;
          }
 
          // At this point any negative decay rates are probably small enough
          // (order 10**-30) that negative values are likely due to cancellation
          // errors.  Set them to zero.
          if (decayRate < 0.0) decayRate = 0.0;
 
          //  G4cout <<theDecayTime/s <<"\t"<<nbin<<G4endl;
          //  G4cout << theTrack.GetWeight() <<"\t"<<weight1<<"\t"<<decayRate<< G4endl;
 
          // Add isotope to the radioactivity tables
          // One table for each observation time window specified in
          // SetDecayBias(G4String filename)
 
          theRadioactivityTables[decayWindows[nbin-1]]
                ->AddIsotope(PZ,PA,PE,weight1*decayRate,theTrack.GetWeight());
 
          // Now calculate the statistical weight
          // One needs to fold the source bias function with the decaytime
          // also need to include the track weight! (F.Lei, 28/10/10)
          G4double weight = weight1*decayRate*theTrack.GetWeight();
 
          // decay the isotope 
          theIonTable = (G4IonTable *)(G4ParticleTable::GetParticleTable()->GetIonTable());
          parentNucleus = theIonTable->GetIon(PZ,PA,PE);
 
          // Create a temprary products buffer.
          // Its contents to be transfered to the products at the end of the loop
          G4DecayProducts* tempprods = nullptr;
 
          // Decide whether to apply branching ratio bias or not
          if (BRBias) {
            G4DecayTable* decayTable = GetDecayTable(parentNucleus);
        G4VDecayChannel* theDecayChannel = nullptr;
        if (nullptr != decayTable) {
          ndecaych = G4int(decayTable->entries()*G4UniformRand());
              theDecayChannel = decayTable->GetDecayChannel(ndecaych);
        }
 
            if (theDecayChannel == nullptr) {
              // Decay channel not found.
 
              if (GetVerboseLevel() > 0) {
                G4cout << " G4RadioactiveDecay::DoIt : cannot determine decay channel ";
                G4cout << " for this nucleus; decay as if no biasing active. ";
                G4cout << G4endl;
                if (nullptr != decayTable) { decayTable ->DumpInfo(); }
              }
          // DHW 6 Dec 2010 - do decay as if no biasing to avoid deref of temppprods
              tempprods = DoDecay(*parentNucleus, theDecayTable);
            } else {
              // A decay channel has been identified, so execute the DecayIt.
              G4double tempmass = parentNucleus->GetPDGMass();
              tempprods = theDecayChannel->DecayIt(tempmass);
              weight *= (theDecayChannel->GetBR())*(decayTable->entries());
            }
          } else {
            tempprods = DoDecay(*parentNucleus, theDecayTable);
          }
 
          // save the secondaries for buffers
          numberOfSecondaries = tempprods->entries();
          currentTime = finalGlobalTime + theDecayTime;
          for (index = 0; index < numberOfSecondaries; ++index) {
            asecondaryparticle = tempprods->PopProducts();
            if (asecondaryparticle->GetDefinition()->GetPDGStable() ) {
              pw.push_back(weight);
              ptime.push_back(currentTime);
              secondaryparticles.push_back(asecondaryparticle);
            }
            // Generate gammas and Xrays from excited nucleus, added by L.Desorgher
            else if (((const G4Ions*)(asecondaryparticle->GetDefinition()))
                      ->GetExcitationEnergy() > 0. && weight > 0.) {  //Compute the gamma
              G4ParticleDefinition* apartDef = asecondaryparticle->GetDefinition();
              AddDeexcitationSpectrumForBiasMode(apartDef,weight,currentTime,pw,
                                                 ptime,secondaryparticles);
            }
          }
 
          delete tempprods;
        } // end of i loop
      } // end of n loop 
 
      // now deal with the secondaries in the two stl containers
      // and submmit them back to the tracking manager
      totalNumberOfSecondaries = (G4int)pw.size();
      fParticleChangeForRadDecay.SetNumberOfSecondaries(totalNumberOfSecondaries);
      for (index=0; index < totalNumberOfSecondaries; ++index) { 
        G4Track* secondary = new G4Track(secondaryparticles[index],
                                         ptime[index], currentPosition);
        secondary->SetGoodForTrackingFlag();     
        secondary->SetTouchableHandle(theTrack.GetTouchableHandle());
        secondary->SetWeight(pw[index]);      
        fParticleChangeForRadDecay.AddSecondary(secondary); 
      }
 
      // Kill the parent particle
      fParticleChangeForRadDecay.ProposeTrackStatus(fStopAndKill) ;
      fParticleChangeForRadDecay.ProposeLocalEnergyDeposit(energyDeposit); 
      fParticleChangeForRadDecay.ProposeLocalTime(finalLocalTime);
      // Reset NumberOfInteractionLengthLeft.
      ClearNumberOfInteractionLengthLeft();
    } // end VR decay
 
    return &fParticleChangeForRadDecay;
  }  // end of data found branch 
} 

◆ GetChainsFromParent()

void G4RadioactiveDecay::GetChainsFromParent ( const G4ParticleDefinition & aParticle )

Definition at line 156 of file G4RadioactiveDecay.cc.

{
  // Retrieve the decay rate table for the specified aParticle
  G4String aParticleName = aParticle.GetParticleName();
 
  for (std::size_t i = 0; i < theParentChainTable.size(); ++i) {
    if (theParentChainTable[i].GetIonName() == aParticleName) {
      theDecayRateVector = theParentChainTable[i].GetItsRates();
    }
  }
#ifdef G4VERBOSE
  if (GetVerboseLevel() > 1) {
    G4cout << "The DecayRate Table for " << aParticleName << " is selected."
           <<  G4endl;
  }
#endif
}

Referenced by DecayIt().

◆ GetDecayTime()

G4double G4RadioactiveDecay::GetDecayTime ( )

protected

Definition at line 243 of file G4RadioactiveDecay.cc.

{
  G4double decaytime = 0.;
  G4double rand = G4UniformRand();
  G4int i = 0;
 
  G4int loop = 0;
  while (DProfile[i] < rand) {  /* Loop checking, 01.09.2015, D.Wright */
    // Entries in DProfile[i] are all between 0 and 1 and arranged in inreaseing order
    // Comparison with rand chooses which time bin to sample  
    ++i;
    loop++;
    if (loop > 100000) {
      G4Exception("G4RadioactiveDecay::GetDecayTime()", "HAD_RDM_100",
                  JustWarning, "While loop count exceeded");
      break;
    }
  }
 
  rand = G4UniformRand();
  decaytime = DBin[i] + rand*(DBin[i+1]-DBin[i]);
#ifdef G4VERBOSE
  if (GetVerboseLevel() > 2)
    G4cout <<" Decay time: " <<decaytime/s <<"[s]" <<G4endl;
#endif
  return  decaytime;        
}

Referenced by DecayIt().

◆ GetDecayTimeBin()

G4int G4RadioactiveDecay::GetDecayTimeBin ( const G4double aDecayTime )

protected

Definition at line 272 of file G4RadioactiveDecay.cc.

{
  G4int i = 0;
 
  G4int loop = 0;
  while (aDecayTime > DBin[i] ) {   /* Loop checking, 01.09.2015, D.Wright */
    ++i;
    loop++;
    if (loop > 100000) {
      G4Exception("G4RadioactiveDecay::GetDecayTimeBin()", "HAD_RDM_100", 
                  JustWarning, "While loop count exceeded");
      break;
    }
  }
 
  return  i;
}

Referenced by DecayIt().

◆ GetMeanLifeTime()

G4double G4RadioactiveDecay::GetMeanLifeTime	(	const G4Track &	theTrack,
		G4ForceCondition *	condition )

overrideprotectedvirtual

Implements G4VRestDiscreteProcess.

Definition at line 296 of file G4RadioactiveDecay.cc.

{
  // For variance reduction time is set to 0 so as to force the particle
  // to decay immediately.
  // In analogue mode it returns the particle's mean-life.
  G4double meanlife = 0.;
  if (AnalogueMC) meanlife = G4VRadioactiveDecay::GetMeanLifeTime(theTrack, fc); 
  return meanlife;
}

◆ GetSplitNuclei()

G4int G4RadioactiveDecay::GetSplitNuclei ( )

inline

Definition at line 143 of file G4RadioactiveDecay.hh.

143{return NSplit;}

◆ GetTheRadioactivityTables()

std::vector< G4RadioactivityTable * > & G4RadioactiveDecay::GetTheRadioactivityTables ( )

inline

Definition at line 114 of file G4RadioactiveDecay.hh.

115 {return theRadioactivityTables;}

◆ IsAnalogueMonteCarlo()

G4bool G4RadioactiveDecay::IsAnalogueMonteCarlo ( )

inline

Definition at line 128 of file G4RadioactiveDecay.hh.

128{return AnalogueMC;}

◆ IsRateTableReady()

G4bool G4RadioactiveDecay::IsRateTableReady ( const G4ParticleDefinition & aParticle )

Definition at line 144 of file G4RadioactiveDecay.cc.

{
  // Check whether the radioactive decay rates table for the ion has already
  // been calculated.
  G4String aParticleName = aParticle.GetParticleName();
  for (std::size_t i = 0; i < theParentChainTable.size(); ++i) {
    if (theParentChainTable[i].GetIonName() == aParticleName) return true;
  }
  return false;
}

Referenced by DecayIt().

◆ operator=()

G4RadioactiveDecay & G4RadioactiveDecay::operator= ( const G4RadioactiveDecay & right )

delete

◆ ProcessDescription()

void G4RadioactiveDecay::ProcessDescription ( std::ostream & outFile ) const

overridevirtual

Reimplemented from G4VProcess.

Definition at line 126 of file G4RadioactiveDecay.cc.

{
  outFile << "The G4RadioactiveDecay process performs radioactive decay of\n"
          << "nuclides (G4GenericIon) in biased mode which includes nucleus\n"
          << "duplication, branching ratio biasing, source time convolution\n"
          << "and detector time convolution.  It is designed for use in\n"
          << "activation physics.\n"
          << "The required half-lives and decay schemes are retrieved from\n"
          << "the RadioactiveDecay database which was derived from ENSDF.\n";
}

◆ SetAnalogueMonteCarlo()

void G4RadioactiveDecay::SetAnalogueMonteCarlo ( G4bool r )

inline

Definition at line 122 of file G4RadioactiveDecay.hh.

122 {

123 AnalogueMC = r;

124 }

◆ SetBRBias()

void G4RadioactiveDecay::SetBRBias ( G4bool r )

inline

Definition at line 131 of file G4RadioactiveDecay.hh.

131 {

132 BRBias = r;

133 AnalogueMC = false;

134 }

◆ SetDecayBias()

void G4RadioactiveDecay::SetDecayBias ( const G4String & filename )

Definition at line 731 of file G4RadioactiveDecay.cc.

{
  std::ifstream infile(filename, std::ios::in);
  if (!infile) G4Exception("G4RadioactiveDecay::SetDecayBias()", "HAD_RDM_001",
                           FatalException, "Unable to open bias data file" );
 
  G4double bin, flux;
  G4int dWindows = 0;
  G4int i ;
 
  theRadioactivityTables.clear();
 
  NDecayBin = -1;
 
  G4int loop = 0;
  while (infile >> bin >> flux ) {  /* Loop checking, 01.09.2015, D.Wright */
    NDecayBin++;
    loop++;
    if (loop > 10000) {
      G4Exception("G4RadioactiveDecay::SetDecayBias()", "HAD_RDM_100",
                  JustWarning, "While loop count exceeded");
      break;
    }
 
    if (NDecayBin > 99) {
      G4Exception("G4RadioactiveDecay::SetDecayBias()", "HAD_RDM_002",
                  FatalException, "Input bias file too big (>100 rows)" );
    } else {
      DBin[NDecayBin] = bin * s;     // Convert read-in time to ns
      DProfile[NDecayBin] = flux;    // Dimensionless
      if (flux > 0.) {
        decayWindows[NDecayBin] = dWindows;
        dWindows++;
        G4RadioactivityTable *rTable = new G4RadioactivityTable() ;
        theRadioactivityTables.push_back(rTable);
      }
    }
  }
  for ( i = 1; i<= NDecayBin; ++i) DProfile[i] += DProfile[i-1];  // Cumulative flux vs i 
  for ( i = 0; i<= NDecayBin; ++i) DProfile[i] /= DProfile[NDecayBin];
                             // Normalize so entries increase from 0 to 1
  // converted to accumulated probabilities
 
  AnalogueMC = false;
  infile.close();
 
#ifdef G4VERBOSE
  if (GetVerboseLevel() > 2)
    G4cout <<" Decay Bias Profile  Nbin = " << NDecayBin <<G4endl;
#endif
}

◆ SetDecayRate()

void G4RadioactiveDecay::SetDecayRate	(	G4int	theZ,
		G4int	theA,
		G4double	theE,
		G4int	theG,
		std::vector< G4double > &	theCoefficients,
		std::vector< G4double > &	theTaos )

Definition at line 309 of file G4RadioactiveDecay.cc.

{ 
  //fill the decay rate vector 
  ratesToDaughter.SetZ(theZ);
  ratesToDaughter.SetA(theA);
  ratesToDaughter.SetE(theE);
  ratesToDaughter.SetGeneration(theG);
  ratesToDaughter.SetDecayRateC(theCoefficients);
  ratesToDaughter.SetTaos(theTaos);
}

Referenced by CalculateChainsFromParent().

◆ SetHLThreshold()

void G4RadioactiveDecay::SetHLThreshold ( G4double hl )

inline

Definition at line 87 of file G4RadioactiveDecay.hh.

87{halflifethreshold = hl;}

◆ SetSourceTimeProfile()

void G4RadioactiveDecay::SetSourceTimeProfile ( const G4String & filename )

Definition at line 682 of file G4RadioactiveDecay.cc.

{
  std::ifstream infile ( filename, std::ios::in );
  if (!infile) {
    G4ExceptionDescription ed;
    ed << " Could not open file " << filename << G4endl; 
    G4Exception("G4RadioactiveDecay::SetSourceTimeProfile()", "HAD_RDM_001",
                FatalException, ed);
  }
 
  G4double bin, flux;
  NSourceBin = -1;
 
  G4int loop = 0;
  while (infile >> bin >> flux) {  /* Loop checking, 01.09.2015, D.Wright */
    loop++;
    if (loop > 10000) {
      G4Exception("G4RadioactiveDecay::SetSourceTimeProfile()", "HAD_RDM_100",
                  JustWarning, "While loop count exceeded");
      break;
    }
 
    NSourceBin++;
    if (NSourceBin > 99) {
      G4Exception("G4RadioactiveDecay::SetSourceTimeProfile()", "HAD_RDM_002",
                  FatalException, "Input source time file too big (>100 rows)");
 
    } else {
      SBin[NSourceBin] = bin * s;    // Convert read-in time to ns
      SProfile[NSourceBin] = flux;   // Dimensionless
    }
  }
 
  AnalogueMC = false;
  infile.close();
 
#ifdef G4VERBOSE
  if (GetVerboseLevel() > 2)
    G4cout <<" Source Timeprofile Nbin = " << NSourceBin <<G4endl;
#endif
}

◆ SetSplitNuclei()

void G4RadioactiveDecay::SetSplitNuclei ( G4int r )

inline

Definition at line 137 of file G4RadioactiveDecay.hh.

137 {

138 NSplit = r;

139 AnalogueMC = false;

140 }

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

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ G4RadioactiveDecay() [1/2]

◆ ~G4RadioactiveDecay()

◆ G4RadioactiveDecay() [2/2]

Member Function Documentation

◆ AddDeexcitationSpectrumForBiasMode()

◆ CalculateChainsFromParent()

◆ ConvolveSourceTimeProfile()

◆ DecayIt()

◆ GetChainsFromParent()

◆ GetDecayTime()

◆ GetDecayTimeBin()

◆ GetMeanLifeTime()

◆ GetSplitNuclei()

◆ GetTheRadioactivityTables()

◆ IsAnalogueMonteCarlo()

◆ IsRateTableReady()

◆ operator=()

◆ ProcessDescription()

◆ SetAnalogueMonteCarlo()

◆ SetBRBias()

◆ SetDecayBias()

◆ SetDecayRate()

◆ SetHLThreshold()

◆ SetSourceTimeProfile()

◆ SetSplitNuclei()