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G4He3EvaporationProbability.cc
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26 // $Id: G4He3EvaporationProbability.cc 96634 2016-04-27 09:31:49Z gcosmo $
27 //
28 // J.M. Quesada (August2008). Based on:
29 //
30 // Hadronic Process: Nuclear De-excitations
31 // by V. Lara (Oct 1998)
32 //
33 // Modified:
34 // 03-09-2008 J.M. Quesada for external choice of inverse cross section option
35 // 17-11-2010 V.Ivanchenko integer Z and A
36 
38 
40  G4EvaporationProbability(3,2,2.0,&theCoulombBarrier)
41 {}
42 
44 {}
45 
47 {
48  // Data comes from
49  // Dostrovsky, Fraenkel and Friedlander
50  // Physical Review, vol 116, num. 3 1959
51  //
52  // const G4int size = 5;
53  // G4double Zlist[5] = { 10.0, 20.0, 30.0, 50.0, 70.0};
54  // G4double Calpha[5] = { 0.10, 0.10, 0.10, 0.08, 0.06};
55  // C for He3 is equal to C for alpha times 4/3
56 
57  G4int aZ = fragment.GetZ_asInt() - GetZ();
58  G4double C;
59 
60  if (aZ <= 30)
61  {
62  C = 0.10;
63  }
64  else if (aZ <= 50)
65  {
66  C = 0.1 - (aZ - 30)*0.001;
67  }
68  else if (aZ < 70)
69  {
70  C = 0.08 - (aZ - 50)*0.001;
71  }
72  else
73  {
74  C = 0.06;
75  }
76  return 1.0 + C*4/3.0;
77 }
78 
80 {
81  return 0.0;
82 }
83 
double C(double temp)
int G4int
Definition: G4Types.hh:78
virtual G4double CalcBetaParam(const G4Fragment &fragment)
G4int GetZ_asInt() const
Definition: G4Fragment.hh:271
double G4double
Definition: G4Types.hh:76
virtual G4double CalcAlphaParam(const G4Fragment &fragment)