Geant4 9.6.0
Toolkit for the simulation of the passage of particles through matter
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G4RToEConvForElectron Class Reference

#include <G4RToEConvForElectron.hh>

+ Inheritance diagram for G4RToEConvForElectron:

Public Member Functions

 G4RToEConvForElectron ()
 
virtual ~G4RToEConvForElectron ()
 
- Public Member Functions inherited from G4VRangeToEnergyConverter
 G4VRangeToEnergyConverter ()
 
 G4VRangeToEnergyConverter (const G4VRangeToEnergyConverter &right)
 
G4VRangeToEnergyConverteroperator= (const G4VRangeToEnergyConverter &right)
 
virtual ~G4VRangeToEnergyConverter ()
 
G4int operator== (const G4VRangeToEnergyConverter &right) const
 
G4int operator!= (const G4VRangeToEnergyConverter &right) const
 
virtual G4double Convert (G4double rangeCut, const G4Material *material)
 
const G4ParticleDefinitionGetParticleType () const
 
const G4PhysicsTableGetLossTable () const
 
virtual void Reset ()
 
void SetVerboseLevel (G4int value)
 
G4int GetVerboseLevel () const
 

Protected Member Functions

virtual G4double ComputeLoss (G4double AtomicNumber, G4double KineticEnergy) const
 
- Protected Member Functions inherited from G4VRangeToEnergyConverter
virtual void BuildLossTable ()
 
virtual G4double ComputeLoss (G4double AtomicNumber, G4double KineticEnergy) const =0
 
virtual void BuildRangeVector (const G4Material *aMaterial, G4RangeVector *rangeVector)
 
G4double ConvertCutToKineticEnergy (G4RangeVector *theRangeVector, G4double theCutInLength, size_t materialIndex) const
 

Additional Inherited Members

- Static Public Member Functions inherited from G4VRangeToEnergyConverter
static void SetEnergyRange (G4double lowedge, G4double highedge)
 
static G4double GetLowEdgeEnergy ()
 
static G4double GetHighEdgeEnergy ()
 
static G4double GetMaxEnergyCut ()
 
static void SetMaxEnergyCut (G4double value)
 
- Protected Types inherited from G4VRangeToEnergyConverter
typedef G4PhysicsTable G4LossTable
 
typedef G4PhysicsLogVector G4LossVector
 
typedef G4PhysicsLogVector G4RangeVector
 
- Protected Attributes inherited from G4VRangeToEnergyConverter
G4double fMaxEnergyCut
 
const G4ParticleDefinitiontheParticle
 
G4LossTabletheLossTable
 
G4int NumberOfElements
 
const G4int TotBin
 
std::vector< G4RangeVector * > fRangeVectorStore
 
- Static Protected Attributes inherited from G4VRangeToEnergyConverter
static G4double LowestEnergy = 0.99e-3*MeV
 
static G4double HighestEnergy = 100.0e6*MeV
 
static G4double MaxEnergyCut = 10.0*GeV
 

Detailed Description

Definition at line 51 of file G4RToEConvForElectron.hh.

Constructor & Destructor Documentation

◆ G4RToEConvForElectron()

G4RToEConvForElectron::G4RToEConvForElectron ( )

Definition at line 45 of file G4RToEConvForElectron.cc.

46{
48 if (theParticle ==0) {
49#ifdef G4VERBOSE
50 if (GetVerboseLevel()>0) {
51 G4cout << " G4RToEConvForElectron::G4RToEConvForElectron() ";
52 G4cout << " Electron is not defined !!" << G4endl;
53 }
54#endif
55 }
56}
#define G4endl
Definition: G4ios.hh:52
G4DLLIMPORT std::ostream G4cout
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
static G4ParticleTable * GetParticleTable()
const G4ParticleDefinition * theParticle

◆ ~G4RToEConvForElectron()

G4RToEConvForElectron::~G4RToEConvForElectron ( )
virtual

Definition at line 58 of file G4RToEConvForElectron.cc.

59{
60}

Member Function Documentation

◆ ComputeLoss()

G4double G4RToEConvForElectron::ComputeLoss ( G4double  AtomicNumber,
G4double  KineticEnergy 
) const
protectedvirtual

Implements G4VRangeToEnergyConverter.

Definition at line 66 of file G4RToEConvForElectron.cc.

68{
69 static G4double Z;
70 static G4double taul, ionpot, ionpotlog;
71 const G4double cbr1=0.02, cbr2=-5.7e-5, cbr3=1., cbr4=0.072;
72 const G4double Tlow=10.*keV, Thigh=1.*GeV;
73 static G4double bremfactor= 0.1 ;
74
75 static G4double Mass= theParticle->GetPDGMass();
76
77 // calculate dE/dx for electrons
78 if( std::fabs(AtomicNumber-Z)>0.1 ) {
79 Z = AtomicNumber;
80 taul = Tlow/Mass;
81 ionpot = 1.6e-5*MeV*std::exp(0.9*std::log(Z))/Mass;
82 ionpotlog = std::log(ionpot);
83 }
84
85
86 G4double tau = KineticEnergy/Mass;
87 G4double dEdx;
88
89 if(tau<taul) {
90 G4double t1 = taul+1.;
91 G4double t2 = taul+2.;
92 G4double tsq = taul*taul;
93 G4double beta2 = taul*t2/(t1*t1);
94 G4double f = 1.-beta2+std::log(tsq/2.)
95 +(0.5+0.25*tsq+(1.+2.*taul)*std::log(0.5))/(t1*t1);
96 dEdx = (std::log(2.*taul+4.)-2.*ionpotlog+f)/beta2;
97 dEdx = twopi_mc2_rcl2*Z*dEdx;
98 G4double clow = dEdx*std::sqrt(taul);
99 dEdx = clow/std::sqrt(KineticEnergy/Mass);
100
101 } else {
102 G4double t1 = tau+1.;
103 G4double t2 = tau+2.;
104 G4double tsq = tau*tau;
105 G4double beta2 = tau*t2/(t1*t1);
106 G4double f = 1.-beta2+std::log(tsq/2.)
107 +(0.5+0.25*tsq+(1.+2.*tau)*std::log(0.5))/(t1*t1);
108 dEdx = (std::log(2.*tau+4.)-2.*ionpotlog+f)/beta2;
109 dEdx = twopi_mc2_rcl2*Z*dEdx;
110
111 // loss from bremsstrahlung follows
112 G4double cbrem = (cbr1+cbr2*Z)
113 *(cbr3+cbr4*std::log(KineticEnergy/Thigh));
114 cbrem = Z*(Z+1.)*cbrem*tau/beta2;
115
116 cbrem *= bremfactor ;
117
118 dEdx += twopi_mc2_rcl2*cbrem;
119 }
120
121 return dEdx;
122}
double G4double
Definition: G4Types.hh:64

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