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G4PreCompoundHe3.cc
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26 // $Id: G4PreCompoundHe3.cc 90337 2015-05-26 08:34:27Z gcosmo $
27 //
28 // -------------------------------------------------------------------
29 //
30 // GEANT4 Class file
31 //
32 //
33 // File name: G4PreCompoundHe3
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 "G4PreCompoundHe3.hh"
45 #include "G4SystemOfUnits.hh"
46 #include "G4He3.hh"
47 
49  : G4PreCompoundIon(G4He3::He3(), &theHe3CoulombBarrier)
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 G4PreCompoundHe3::GetRj(G4int nParticles, G4int nCharged) const
66 {
67  G4double rj = 0.0;
68  if(nCharged >=2 && (nParticles-nCharged) >= 1) {
69  G4double denominator = G4double(nParticles*(nParticles-1)*(nParticles-2));
70  rj = G4double(3*nCharged*(nCharged-1)*(nParticles-nCharged))/denominator;
71  }
72  return rj;
73 }
74 
76 {
77  G4double C = 0.0;
78  if (theFragZ <= 30)
79  {
80  C = 0.10;
81  }
82  else if (theFragZ <= 50)
83  {
84  C = 0.1 - (theFragZ - 30)*0.001;
85  }
86  else if (theFragZ < 70)
87  {
88  C = 0.08 - (theFragZ - 50)*0.001;
89  }
90  else
91  {
92  C = 0.06;
93  }
94  return 1.0 + C*(4.0/3.0);
95 }
96 
virtual G4double GetAlpha() const
virtual G4double GetRj(G4int NumberParticles, G4int NumberCharged) const
virtual ~G4PreCompoundHe3()
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 CoalescenceFactor(G4int A) const
double C(double temp)
Definition: G4He3.hh:51
virtual G4double FactorialFactor(G4int N, G4int P) const