Geant4_10
G4HETCHe3.cc
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26 // $Id: G4HETCHe3.cc 68028 2013-03-13 13:48:15Z gcosmo $
27 //
28 // by V. Lara
29 //
30 // Modified:
31 // 23.08.2010 V.Ivanchenko general cleanup, move constructor and destructor
32 // the source, use G4Pow
33 
34 #include "G4HETCHe3.hh"
35 #include "G4He3.hh"
36 
38  : G4HETCChargedFragment(G4He3::He3(), &theHe3CoulombBarrier)
39 {}
40 
42 {}
43 
45 {
46  G4double C = 0.0;
47  G4int aZ = GetZ() + GetRestZ();
48  if (aZ <= 30)
49  {
50  C = 0.10;
51  }
52  else if (aZ <= 50)
53  {
54  C = 0.1 + -((aZ-50.)/20.)*0.02;
55  }
56  else if (aZ < 70)
57  {
58  C = 0.08 + -((aZ-70.)/20.)*0.02;
59  }
60  else
61  {
62  C = 0.06;
63  }
64  return 1.0 + C*(4.0/3.0);
65 }
66 
68 {
69  return -GetCoulombBarrier();
70 }
71 
73 {
74  // 2s+1
75  return 2.0;
76 }
77 
78 G4double G4HETCHe3::K(const G4Fragment & aFragment)
79 {
80  // Number of protons in emitted fragment
81  G4int Pa = GetZ();
82  // Number of neutrons in emitted fragment
83  G4int Na = GetA() - Pa;
84 
85  G4int TargetZ = GetRestZ();
86  G4int TargetA = GetRestA();
87  G4double r = G4double(TargetZ)/G4double(TargetA);
88 
89  G4int P = aFragment.GetNumberOfParticles();
90  G4int H = aFragment.GetNumberOfHoles();
91 
92  G4double result = 0.0;
93  if (P > 2)
94  {
95  result = 3.0/(P*(P-1.0)*(P-2.0)) *
96  (H*(H-1.0)*(H-2.0)*r*r*(r-1.0) +
97  H*(H-1.0)*(2.0*Na*r*(1.0-r)+Pa*r*r) +
98  H*(Pa*(Pa-1.0)*(r-1.0)+2.0*Na*Pa*r) +
99  Pa*Na*(Pa-1.0));
100 
101  result /= 3.0*r*r*(1.0 - r);
102  }
103  return std::max(0.0,result);
104 }
Definition: G4He3.hh:51
G4int GetA() const
G4double G4NeutronHPJENDLHEData::G4double result
G4int GetNumberOfParticles() const
Definition: G4Fragment.hh:305
int G4int
Definition: G4Types.hh:78
virtual G4double GetBeta()
Definition: G4HETCHe3.cc:67
G4int GetNumberOfHoles() const
Definition: G4Fragment.hh:325
G4int GetRestZ() const
G4double GetCoulombBarrier() const
virtual G4double GetAlpha()
Definition: G4HETCHe3.cc:44
~G4HETCHe3()
Definition: G4HETCHe3.cc:41
jump r
Definition: plot.C:36
T max(const T t1, const T t2)
brief Return the largest of the two arguments
virtual G4double K(const G4Fragment &aFragment)
Definition: G4HETCHe3.cc:78
G4int GetRestA() const
G4int GetZ() const
double G4double
Definition: G4Types.hh:76
virtual G4double GetSpinFactor()
Definition: G4HETCHe3.cc:72