Geant4 11.1.1
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 ()
 
virtual ~G4VRangeToEnergyConverter ()
 
 G4VRangeToEnergyConverter (const G4VRangeToEnergyConverter &r)=delete
 
G4VRangeToEnergyConverteroperator= (const G4VRangeToEnergyConverter &r)=delete
 
G4bool operator== (const G4VRangeToEnergyConverter &r) const =delete
 
G4bool operator!= (const G4VRangeToEnergyConverter &r) const =delete
 
virtual G4double Convert (const G4double rangeCut, const G4Material *material)
 
const G4ParticleDefinitionGetParticleType () const
 
void SetVerboseLevel (G4int value)
 
G4int GetVerboseLevel () const
 

Protected Member Functions

G4double ComputeValue (const G4int Z, const G4double kinEnergy) final
 
virtual G4double ComputeValue (const G4int Z, const G4double kinEnergy)=0
 

Additional Inherited Members

- Static Public Member Functions inherited from G4VRangeToEnergyConverter
static void SetEnergyRange (const G4double lowedge, const G4double highedge)
 
static G4double GetLowEdgeEnergy ()
 
static G4double GetHighEdgeEnergy ()
 
static G4double GetMaxEnergyCut ()
 
static void SetMaxEnergyCut (const G4double value)
 
- Protected Attributes inherited from G4VRangeToEnergyConverter
const G4ParticleDefinitiontheParticle = nullptr
 
G4int fPDG = 0
 

Detailed Description

Definition at line 43 of file G4RToEConvForElectron.hh.

Constructor & Destructor Documentation

◆ G4RToEConvForElectron()

G4RToEConvForElectron::G4RToEConvForElectron ( )
explicit

Definition at line 42 of file G4RToEConvForElectron.cc.

44{
46 if (theParticle == nullptr )
47 {
48#ifdef G4VERBOSE
49 if (GetVerboseLevel()>0)
50 {
51 G4cout << "G4RToEConvForElectron::G4RToEConvForElectron() - ";
52 G4cout << "Electron is not defined !!" << G4endl;
53 }
54#endif
55 }
56 else
57 {
59 }
60}
#define G4endl
Definition: G4ios.hh:57
G4GLOB_DLL std::ostream G4cout
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
static G4ParticleTable * GetParticleTable()
const G4ParticleDefinition * theParticle

◆ ~G4RToEConvForElectron()

G4RToEConvForElectron::~G4RToEConvForElectron ( )
virtual

Definition at line 63 of file G4RToEConvForElectron.cc.

64{}

Member Function Documentation

◆ ComputeValue()

G4double G4RToEConvForElectron::ComputeValue ( const G4int  Z,
const G4double  kinEnergy 
)
finalprotectedvirtual

Implements G4VRangeToEnergyConverter.

Definition at line 67 of file G4RToEConvForElectron.cc.

69{
70 const G4double cbr1=0.02, cbr2=-5.7e-5, cbr3=1., cbr4=0.072;
71 const G4double Tlow=10.*CLHEP::keV, Thigh=1.*CLHEP::GeV;
72 const G4double taul = Tlow/CLHEP::electron_mass_c2;
73 const G4double log05 = G4Log(0.5);
74 const G4double taul12 = std::sqrt(taul);
75 const G4double bremfactor = 0.1;
76
77 const G4double Zlog = G4Pow::GetInstance()->logZ(Z);
78 const G4double ionpot =
79 1.6e-5*CLHEP::MeV*G4Exp(0.9*Zlog)/CLHEP::electron_mass_c2;
80 const G4double ionpotlog = G4Log(ionpot);
81
82 const G4double tau = kinEnergy/CLHEP::electron_mass_c2;
83 G4double dEdx = 0.0;
84
85 if(tau<taul)
86 {
87 G4double t1 = taul+1.;
88 G4double t2 = taul+2.;
89 G4double tsq = taul*taul;
90 G4double beta2 = taul*t2/(t1*t1);
91 G4double f = 1.-beta2+G4Log(tsq/2.)
92 +(0.5+0.25*tsq+(1.+2.*taul)*log05)/(t1*t1);
93 dEdx = Z*(G4Log(2.*taul+4.)-2.*ionpotlog+f)/beta2;
94 dEdx *= taul12/std::sqrt(tau);
95 }
96 else
97 {
98 G4double t1 = tau+1.;
99 G4double t2 = tau+2.;
100 G4double tsq = tau*tau;
101 G4double beta2 = tau*t2/(t1*t1);
102 G4double f = 1.-beta2+G4Log(tsq/2.)
103 +(0.5+0.25*tsq+(1.+2.*tau)*log05)/(t1*t1);
104 dEdx = Z*(G4Log(2.*tau+4.)-2.*ionpotlog+f)/beta2;
105
106 // loss from bremsstrahlung follows
107 G4double cbrem = (cbr1+cbr2*Z)*(cbr3+cbr4*G4Log(kinEnergy/Thigh));
108 dEdx += Z*(Z+1)*cbrem*bremfactor*tau/beta2;
109 }
110
111 return dEdx*CLHEP::twopi_mc2_rcl2;
112}
G4double G4Exp(G4double initial_x)
Exponential Function double precision.
Definition: G4Exp.hh:180
G4double G4Log(G4double x)
Definition: G4Log.hh:227
double G4double
Definition: G4Types.hh:83
const G4int Z[17]
static G4Pow * GetInstance()
Definition: G4Pow.cc:41
G4double logZ(G4int Z) const
Definition: G4Pow.hh:137

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