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G4PreCompoundTriton.cc
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26 // $Id: G4PreCompoundTriton.cc 90337 2015-05-26 08:34:27Z gcosmo $
27 //
28 // -------------------------------------------------------------------
29 //
30 // GEANT4 Class file
31 //
32 //
33 // File name: G4PreCompoundTriton
34 //
35 // Author: V.Lara
36 //
37 // Modified:
38 // 21.08.2008 J. M. Quesada add choice of options
39 // 20.08.2010 V.Ivanchenko added G4Pow and G4PreCompoundParameters pointers
40 // use int Z and A and cleanup
41 // 05.07.2013 J.M. Quesada FactorialFactor fixed
42 //
43 
44 #include "G4PreCompoundTriton.hh"
45 #include "G4SystemOfUnits.hh"
46 #include "G4Triton.hh"
47 
49  : G4PreCompoundIon(G4Triton::Triton(), &theTritonCoulombBarrier)
50 {}
51 
53 {}
54 
56 {
57  return G4double((N-3)*(P-2)*(N-2)*(P-1)*(N-1)*P)/12.0;
58 }
59 
61 {
62  return 243.0/G4double(A*A);
63 }
64 
65 G4double G4PreCompoundTriton::GetRj(G4int nParticles, G4int nCharged) const
66 {
67  G4double rj = 0.0;
68  if(nCharged >= 1 && (nParticles-nCharged) >= 2) {
69  G4double denominator =
70  G4double(nParticles*(nParticles-1)*(nParticles-2));
71  rj = G4double(3*nCharged*(nParticles-nCharged)*(nParticles-nCharged-1))
72  /denominator;
73  }
74  return rj;
75 }
76 
78 {
79  G4double C = 0.0;
80  if (theFragZ >= 70)
81  {
82  C = 0.10;
83  }
84  else
85  {
86  C = ((((0.15417e-06*theFragZ) - 0.29875e-04)*theFragZ
87  + 0.21071e-02)*theFragZ - 0.66612e-01)*theFragZ + 0.98375;
88  }
89 
90  return 1.0 + C/3.0;
91 }
92 
virtual G4double GetRj(G4int NumberParticles, G4int NumberCharged) const
double G4double
Definition: G4Types.hh:76
**D E S C R I P T I O N
double A(double temperature)
static double P[]
int G4int
Definition: G4Types.hh:78
virtual G4double GetAlpha() const
double C(double temp)
virtual G4double CoalescenceFactor(G4int A) const
virtual G4double FactorialFactor(G4int N, G4int P) const