Import Geant4 5.1.0 source tree
This commit is contained in:
Gabriele Cosmo
@@ -21,24 +21,26 @@
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// ********************************************************************
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//
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//
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//
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//------------- G4MultipleScattering physics process --------------------------
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// by Laszlo Urban, March 2001
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//
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// 07-08-01 new methods Store/Retrieve PhysicsTable
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//------------- G4MultipleScattering physics process --------------------------
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// by Laszlo Urban, March 2001
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//
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// 07-08-01 new methods Store/Retrieve PhysicsTable
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// 23-08-01 new angle and z distribution,energy dependence reduced,
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// Store,Retrieve methods commented out temporarily, L.Urban
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// 11-09-01 G4MultipleScatteringx put as default: G4MultipleScattering
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// Store,Retrieve methods reactived (mma)
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// 13-09-01 Unused TrueToGeomTransformation method deleted,
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// class description (L.Urban)
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// 19-09-01 come back to previous process name msc
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// 19-09-01 come back to previous process name msc
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// 17-04-02 NEW angle distribution + boundary algorithm modified, L.Urban
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// 22-04-02 boundary algorithm modified -> important improvement in timing !!!!
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// (L.Urban)
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// 24-05-02 changes in data members, L.Urban
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// 30-10-02 changes in data members, L.Urban
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//
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// 30-10-02 changes in data members, L.Urban
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// 20-01-03 Migrade to cut per region (V.Ivanchenko)
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// 05-02-03 changes in data members, L.Urban
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//
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//------------------------------------------------------------------------------
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// class description
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@@ -96,8 +98,8 @@ class G4MultipleScatteringSTD : public G4VContinuousDiscreteProcess
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G4bool RetrievePhysicsTable(G4ParticleDefinition* ,
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const G4String& directory, G4bool);
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// retrieve TransportMeanFreePath tables from an external file
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// specified by 'directory'
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// specified by 'directory'
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G4double AlongStepGetPhysicalInteractionLength(const G4Track&,
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G4double previousStepSize,
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@@ -105,16 +107,16 @@ class G4MultipleScatteringSTD : public G4VContinuousDiscreteProcess
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G4double& currentSafety,
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G4GPILSelection* selection);
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// The function overloads the corresponding function of the base
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// class.It limits the step near to boundaries only
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// and invokes the method GetContinuousStepLimit at every step.
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// class.It limits the step near to boundaries only
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// and invokes the method GetContinuousStepLimit at every step.
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G4double GetContinuousStepLimit(const G4Track& aTrack,
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G4double previousStepSize,
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G4double currentMinimumStep,
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G4double& currentSafety);
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G4double& currentSafety);
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// It performs the true step length --> geometrical step length
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// transformation. It is invoked by the
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// AlongStepGetPhysicalInteractionLength method.
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// AlongStepGetPhysicalInteractionLength method.
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G4double GetMeanFreePath(const G4Track& aTrack,
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G4double previousStepSize,
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@@ -124,26 +126,26 @@ class G4MultipleScatteringSTD : public G4VContinuousDiscreteProcess
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// This function overloads a virtual function of the base class.
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// It is invoked by the ProcessManager of the Particle.
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G4double GetTransportMeanFreePath(
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G4double KineticEnergy,G4Material* material);
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G4double KineticEnergy,const G4MaterialCutsCouple* couple);
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// Just a utility method to get the values of the transport
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// mean free path . (It is not used inside the class.)
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G4VParticleChange* AlongStepDoIt(const G4Track& aTrack,const G4Step& aStep);
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// The geometrical step length --> true path length transformation
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// is performed here (the inverse of the transformation done
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// by GetContinuousStepLimit).
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// by GetContinuousStepLimit).
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G4VParticleChange* PostStepDoIt(const G4Track& aTrack,const G4Step& aStep);
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// It computes the final state of the particle: samples the
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// It computes the final state of the particle: samples the
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// ScatteringSTD angle and computes the lateral displacement.
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// The final state is returned as a ParticleChange object.
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// This function overloads a virtual function of the base class.
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// It is invoked by the ProcessManager of the Particle.
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void Setpcz(G4double value) {pcz = value;};
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// geom. step length distribution
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void Setsamplez(G4bool value) {samplez = value;};
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// geom. step length distribution should be sampled or not
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void Setdtrl(G4double value) {dtrl = value;};
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// to reduce the energy/step dependence
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@@ -154,17 +156,17 @@ class G4MultipleScatteringSTD : public G4VContinuousDiscreteProcess
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void SetFacrange(G4double val) {facrange=val;
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nsmallstep = G4int(log((cf+facrange-1.)/
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facrange)/log(cf))+1 ;
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G4cout << " fr=" << facrange
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G4cout << " fr=" << facrange
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<< " nsmall=" << nsmallstep << G4endl ;};
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// Steplimit after boundary crossing = facrange*range
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// estimated nb of steps at boundary nsmallstep = 1/facrange
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void SetLateralDisplacementFlag(G4bool flag) {fLatDisplFlag = flag;};
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// lateral displacement to be/not to be computed
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void SetNuclCorrPar(G4double val) {NuclCorrPar = val;};
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void SetFactPar(G4double val) {FactPar = val;};
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// corrs to transport cross section for high energy
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// corrs to transport cross section for high energy
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protected: // with description
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@@ -174,7 +176,7 @@ class G4MultipleScatteringSTD : public G4VContinuousDiscreteProcess
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G4double AtomicNumber,
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G4double AtomicWeight);
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// It computes the transport cross section.
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// The transport mean free path is 1/(transport cross section).
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// The transport mean free path is 1/(transport cross section).
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private:
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@@ -186,8 +188,6 @@ class G4MultipleScatteringSTD : public G4VContinuousDiscreteProcess
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G4PhysicsTable* theTransportMeanFreePathTable;
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G4double fTransportMeanFreePath,kappa;
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G4double taubig,tausmall,taulim;
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G4double LowestKineticEnergy;
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@@ -195,7 +195,7 @@ class G4MultipleScatteringSTD : public G4VContinuousDiscreteProcess
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G4int TotBin;
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G4int materialIndex;
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G4double tLast;
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G4double zLast;
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@@ -206,12 +206,12 @@ class G4MultipleScatteringSTD : public G4VContinuousDiscreteProcess
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G4double laststep ;
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G4GPILSelection valueGPILSelectionMSC;
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G4double pcz,zmean; // z(geom.step length)
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// distribution
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G4double range,T1,lambda1,cth1,z1,t1,dtrl; // used to reduce the energy
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// (or step length) dependence
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G4double zmean; // z(geom.step length)
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G4bool samplez ; // distribution
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G4double range,T0,T1,lambda0,lambda1, // used to reduce the energy
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Tlow,alam,blam,dtrl,lambdam, // (or step length) dependence
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clam,zm,cthm;
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// with/without lateral displacement
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G4bool fLatDisplFlag;
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@@ -222,7 +222,7 @@ class G4MultipleScatteringSTD : public G4VContinuousDiscreteProcess
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G4ParticleChangeForMSC fParticleChange;
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G4double alfa1,alfa2,alfa3,xsi,c0,facxsi ; // angle distr. parameters
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G4double alfa1,alfa2,alfa3,b,xsi,c0,facxsi ; // angle distr. parameters
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// facxsi : some tuning
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// possibility in the tail
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