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G4ParticleHPMadlandNixSpectrum Class Reference

#include <G4ParticleHPMadlandNixSpectrum.hh>

Inheritance diagram for G4ParticleHPMadlandNixSpectrum:
Collaboration diagram for G4ParticleHPMadlandNixSpectrum:

Public Member Functions

 G4ParticleHPMadlandNixSpectrum ()
 
 ~G4ParticleHPMadlandNixSpectrum ()
 
void Init (std::istream &aDataFile)
 
G4double GetFractionalProbability (G4double anEnergy)
 
G4double Sample (G4double anEnergy)
 
- Public Member Functions inherited from G4VParticleHPEDis
 G4VParticleHPEDis ()
 
virtual ~G4VParticleHPEDis ()
 

Detailed Description

Definition at line 51 of file G4ParticleHPMadlandNixSpectrum.hh.

Constructor & Destructor Documentation

G4ParticleHPMadlandNixSpectrum::G4ParticleHPMadlandNixSpectrum ( )
inline

Definition at line 54 of file G4ParticleHPMadlandNixSpectrum.hh.

55  {
56  expm1 = G4Exp(-1.);
57  theAvarageKineticPerNucleonForLightFragments = 0.0;
58  theAvarageKineticPerNucleonForHeavyFragments = 0.0;
59  }
G4double G4Exp(G4double initial_x)
Exponential Function double precision.
Definition: G4Exp.hh:183

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G4ParticleHPMadlandNixSpectrum::~G4ParticleHPMadlandNixSpectrum ( )
inline

Definition at line 60 of file G4ParticleHPMadlandNixSpectrum.hh.

61  {
62  }

Member Function Documentation

G4double G4ParticleHPMadlandNixSpectrum::GetFractionalProbability ( G4double  anEnergy)
inlinevirtual

Implements G4VParticleHPEDis.

Definition at line 74 of file G4ParticleHPMadlandNixSpectrum.hh.

75  {
76  return theFractionalProb.GetY(anEnergy);
77  }
G4double GetY(G4double x)

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void G4ParticleHPMadlandNixSpectrum::Init ( std::istream &  aDataFile)
inlinevirtual

Implements G4VParticleHPEDis.

Definition at line 64 of file G4ParticleHPMadlandNixSpectrum.hh.

65  {
66  theFractionalProb.Init(aDataFile);
67  aDataFile>> theAvarageKineticPerNucleonForLightFragments;
68  theAvarageKineticPerNucleonForLightFragments*=CLHEP::eV;
69  aDataFile>> theAvarageKineticPerNucleonForHeavyFragments;
70  theAvarageKineticPerNucleonForHeavyFragments*=CLHEP::eV;
71  theMaxTemp.Init(aDataFile);
72  }
void Init(std::istream &aDataFile, G4int total, G4double ux=1., G4double uy=1.)
static constexpr double eV

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G4double G4ParticleHPMadlandNixSpectrum::Sample ( G4double  anEnergy)
virtual

Implements G4VParticleHPEDis.

Definition at line 74 of file G4ParticleHPMadlandNixSpectrum.cc.

75  {
76  G4double tm = theMaxTemp.GetY(anEnergy);
77  G4double last=0, buff, current = 100*MeV;
78  G4double precision = 0.001;
79  G4double newValue = 0., oldValue=0.;
80  G4double random = G4UniformRand();
81 
82  G4int icounter=0;
83  G4int icounter_max=1024;
84  do
85  {
86  icounter++;
87  if ( icounter > icounter_max ) {
88  G4cout << "Loop-counter exceeded the threshold value at " << __LINE__ << "th line of " << __FILE__ << "." << G4endl;
89  break;
90  }
91  oldValue = newValue;
92  newValue = FissionIntegral(tm, current);
93  if(newValue < random)
94  {
95  buff = current;
96  current+=std::abs(current-last)/2.;
97  last = buff;
98  if(current>190*MeV) throw G4HadronicException(__FILE__, __LINE__, "Madland-Nix Spectrum has not converged in sampling");
99  }
100  else
101  {
102  buff = current;
103  current-=std::abs(current-last)/2.;
104  last = buff;
105  }
106  }
107  while (std::abs(oldValue-newValue)>precision*newValue); // Loop checking, 11.05.2015, T. Koi
108  return current;
109  }
int G4int
Definition: G4Types.hh:78
#define G4UniformRand()
Definition: Randomize.hh:97
G4GLOB_DLL std::ostream G4cout
G4double GetY(G4double x)
#define G4endl
Definition: G4ios.hh:61
static constexpr double MeV
Definition: G4SIunits.hh:214
double G4double
Definition: G4Types.hh:76

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