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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/G4eEnergyLossPlus.hh
+64 -18
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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: G4eEnergyLossPlus.hh,v 1.3 1999/04/28 15:07:52 urban Exp $
// GEANT4 tag $Name: geant4-00-01 $
// $Id: G4eEnergyLossPlus.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
// ---------- G4eEnergyLossPlus 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.
// ---------------------------------------------------------------
// 18/11/98 , L. Urban
// It is a modified version of G4eEnergyLoss:
// continuous energy loss with generation of subcutoff delta rays
@@ -55,6 +45,23 @@
class G4EnergyLossMessenger;
// Class description:
// This class is the implementation of the unified Energy Loss process
// with generation of subcutoff secondaries , see description of
// *****************************************
// the AlongStepDoIt method.
// 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 G4eEnergyLossPlus : public G4VContinuousDiscreteProcess
@@ -65,27 +72,45 @@ class G4eEnergyLossPlus : public G4VContinuousDiscreteProcess
~G4eEnergyLossPlus();
public: // With description
G4bool IsApplicable(const G4ParticleDefinition&);
// true for e+/e- , false otherwise
public:
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 mean energy loss
// after the step .
// --- Compares the value of the safety to the value
// of the cut in range.
// --- If safety < cut in range , generates secondaries
// with kinetic energy in the interval [Tsafety,Tcut],
// where Tsafety corresponds to range safety,
// Tcut is the cut in energy.
// --- Updates the value of the mean energy loss and
// the direction of the primary
// --- Computes the energy loss 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:
@@ -239,24 +264,45 @@ class G4eEnergyLossPlus : 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.
static void SetMinDeltaCutInRange(G4double value)
{MinDeltaCutInRange = value;}
// sets minimal cut value for the subcutoff secondaries
// (i.e. the kinetic energy of these secondaries can not be
// smaller than the energy corresponds to MinDeltaCutInRange).
};
#include "G4eEnergyLossPlus.icc"