DNA::Penetration::Meesungnoen2002 Struct Reference

#include <G4DNAOneStepThermalizationModel.hh>

Static Public Member Functions
static void	GetPenetration (G4double energy, G4ThreeVector &displacement)
static double	GetRmean (double energy)

Static Public Attributes
static const double	gCoeff [13]

Detailed Description

Definition at line 64 of file G4DNAOneStepThermalizationModel.hh.

Member Function Documentation

void DNA::Penetration::Meesungnoen2002::GetPenetration ( G4double  energy, G4ThreeVector &  displacement  )

static

Definition at line 99 of file G4DNAOneStepThermalizationModel.cc.

                                                                   {
    displacement=G4ThreeVector(0,0,0);
    G4double k_eV = k/eV;
    
    if(k_eV>0.1){ // data until 0.2 eV
      G4double r_mean = 0;
      for(int8_t i=12; i!=-1 ; --i){
        r_mean+=gCoeff[12-i]*std::pow(k_eV,i);
      }
      
      r_mean*=nanometer;
      
      //G4cout << "rmean = " << r_mean << G4endl;
      
      static constexpr double r2s=0.62665706865775006; //sqrt(CLHEP::pi)/pow(2,3./2.)
      
      // Use r_mean to build a 3D gaussian
      double sigma3D = r_mean*r2s;
      double x = G4RandGauss::shoot(0,sigma3D);
      double y = G4RandGauss::shoot(0,sigma3D);
      double z = G4RandGauss::shoot(0,sigma3D);
      displacement=G4ThreeVector(x,y,z);
    }
    else{
      displacement=G4RandomDirection()*(1e-3*CLHEP::nanometer);
      // rare events:
      // prevent H2O and secondary electron to be at the spot
    }
  }

Here is the call graph for this function:

double DNA::Penetration::Meesungnoen2002::GetRmean ( double  energy )

static

Definition at line 85 of file G4DNAOneStepThermalizationModel.cc.

                                          {
    G4double k_eV = k/eV;
    
    if(k_eV>0.1){ // data until 0.2 eV
      G4double r_mean = 0;
      for(int8_t i=12; i!=-1 ; --i){
        r_mean+=gCoeff[12-i]*std::pow(k_eV,i);
      }
      r_mean*=CLHEP::nanometer;
      return r_mean;
    }
    return 0;
  }

Member Data Documentation

const double DNA::Penetration::Meesungnoen2002::gCoeff

static

Initial value:

=
  { -4.06217193e-08,  3.06848412e-06,  -9.93217814e-05,
    1.80172797e-03,  -2.01135480e-02,   1.42939448e-01,
    -6.48348714e-01,  1.85227848e+00,  -3.36450378e+00,
    4.37785068e+00,  -4.20557339e+00,   3.81679083e+00,
    -2.34069784e-01 }

Definition at line 70 of file G4DNAOneStepThermalizationModel.hh.

---

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

• geant4.10.03.p01/source/processes/electromagnetic/dna/models/include/G4DNAOneStepThermalizationModel.hh
• geant4.10.03.p01/source/processes/electromagnetic/dna/models/src/G4DNAOneStepThermalizationModel.cc