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This commit is contained in:
Gabriele Cosmo
2016-06-08 15:28:20 +02:00
parent aaa409b6ee
commit ca1c8cb059
2995 changed files with 106830 additions and 299600 deletions
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source/processes/electromagnetic/standard/include/G4eEnergyLoss.hh
+53 -21
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@@ -1,12 +1,12 @@
// This code implementation is the intellectual property of
// the RD44 GEANT4 collaboration.
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4eEnergyLoss.hh,v 1.3 1999/02/24 13:43:25 urban Exp $
// GEANT4 tag $Name: geant4-00-01 $
// $Id: G4eEnergyLoss.hh,v 1.4.4.1 1999/12/07 20:50:53 gunter Exp $
// GEANT4 tag $Name: geant4-01-00 $
//
// $Id:
// ------------------------------------------------------------
@@ -18,16 +18,6 @@
// 2nd December 1995, G.Cosmo
// ---------- G4eEnergyLoss physics process -----------
// by Laszlo Urban, 20 March 1997
// ************************************************************
// It is the first implementation of the new unified Energy Loss process.
// It calculates the continuous energy loss for e+/e-.
// Processes giving contribution to the continuous loss :
// ionisation (= cont.ion.loss + delta ray production)
// bremsstrahlung (= cont.loss due to sooft brems+discrete bremsstrahlung)
// can be added more easily ..........
// This class creates static dE/dx and range tables for e+ and e-,
// which tables can be used by other processes.
// ------------------------------------------------------------
//
// 27.05.98 OldGetRange removed + other corrs , L.Urban
// 10.09.98 cleanup
@@ -54,9 +44,22 @@
#include "G4PhysicsLinearVector.hh"
#include "G4EnergyLossTables.hh"
// Class description:
// This class is the implementation of the unified Energy Loss process.
// It calculates the continuous energy loss for e+/e-.
// The following processes give contributions to the continuous
// energy loss (by default) :
// --- ionisation (= cont.ion.loss + delta ray production)
// --- bremsstrahlung (= cont.loss due to soft brems+discrete bremsstrahlung)
// more can be added ..........
// This class creates static dE/dx and range tables for e+ and e-,
// which tables can be used by other processes , too.
// G4eEnergyLoss is the base class for the processes giving contribution
// to the (continuous) energy loss of e+/e- .
// Class description - end
class G4EnergyLossMessenger;
class G4eEnergyLoss : public G4VContinuousDiscreteProcess
{
@@ -66,27 +69,36 @@ class G4eEnergyLoss : public G4VContinuousDiscreteProcess
~G4eEnergyLoss();
public: // With description
G4bool IsApplicable(const G4ParticleDefinition&);
public:
// true for e+/e- , false otherwise
void BuildDEDXTable(const G4ParticleDefinition& aParticleType);
// It builds dE/dx and range tables for aParticleType and
// for every material contained in the materialtable.
G4double GetContinuousStepLimit(const G4Track& track,
G4double previousStepSize,
G4double currentMinimumStep,
G4double& currentSafety);
// Computes the steplimit due to the energy loss process.
G4VParticleChange* AlongStepDoIt(const G4Track& track,
const G4Step& Step) ;
// Performs the computation of the (continuous) energy loss
// after the step (with fluctuation).
virtual G4double GetMeanFreePath(const G4Track& track,
G4double previousStepSize,
G4ForceCondition* condition) = 0;
// Virtual function to be overridden in the derived classes
// ( ionisation and bremsstrahlung) .
virtual G4VParticleChange* PostStepDoIt(const G4Track& track,
const G4Step& Step) = 0;
// Virtual function to be overridden in the derived classes
// ( ionisation and bremsstrahlung) .
private:
@@ -134,9 +146,11 @@ class G4eEnergyLoss : public G4VContinuousDiscreteProcess
G4PhysicsTable* theLossTable;
G4double ParticleMass; // heavily used
G4double ParticleMass; // heavily used
G4double MinKineticEnergy ; //
G4double MinKineticEnergy ; // particle with kinetic energy
// smaller than MinKineticEnergy
// is stopped in AlongStepDoIt
G4double Charge,lastCharge ;
@@ -160,7 +174,7 @@ class G4eEnergyLoss : public G4VContinuousDiscreteProcess
G4double fdEdx; // computed in GetConstraints
G4double fRangeNow; // computed in GetConstraints
G4double linLossLimit ; //
G4double linLossLimit ; // used in AlongStepDoIt
G4int TotBin; // number of bins in table,
// calculated in BuildPhysicTable
@@ -184,6 +198,7 @@ class G4eEnergyLoss : public G4VContinuousDiscreteProcess
//New ParticleChange
G4ParticleChangeForLoss fParticleChange ;
//
// static part of the class
//
@@ -236,21 +251,38 @@ class G4eEnergyLoss : public G4VContinuousDiscreteProcess
static G4EnergyLossMessenger* eLossMessenger;
public:
public: // With description
static void SetNbOfProcesses(G4int nb) {NbOfProcesses=nb;};
// Sets number of processes giving contribution to the energy loss
static void PlusNbOfProcesses() {NbOfProcesses++ ;};
// Increases number of processes giving contribution to the energy loss
static void MinusNbOfProcesses() {NbOfProcesses-- ;};
// Decreases number of processes giving contribution to the energy loss
static G4int GetNbOfProcesses() {return NbOfProcesses;};
// Gets number of processes giving contribution to the energy loss
// ( default value = 2)
static void SetRndmStep (G4bool value) {rndmStepFlag = value;}
// use / do not use randomisation in energy loss steplimit
// ( default = no randomisation)
static void SetEnlossFluc (G4bool value) {EnlossFlucFlag = value;}
// compute energy loss with/without fluctuation
// ( default : with fluctuation)
static void SetStepFunction (G4double c1, G4double c2)
{dRoverRange = c1; finalRange = c2;
c1lim=dRoverRange ;
c2lim=2.*(1-dRoverRange)*finalRange;
c3lim=-(1.-dRoverRange)*finalRange*finalRange;
}
// sets values for data members used to compute the step limit:
// dRoverRange : max. relative range change in one step,
// finalRange : if range <= finalRange --> last step for the particle.
};