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G4CompetitiveFission.hh
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28 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara (Oct 1998)
30 
31 #ifndef G4CompetitiveFission_h
32 #define G4CompetitiveFission_h 1
33 
34 #include "G4VEvaporationChannel.hh"
35 #include "G4Fragment.hh"
37 #include "G4FissionParameters.hh"
39 #include "G4Exp.hh"
40 
41 class G4VFissionBarrier;
45 
47 {
48 public:
49 
50  explicit G4CompetitiveFission();
51  ~G4CompetitiveFission() override;
52 
53  G4Fragment* EmittedFragment(G4Fragment* theNucleus) override;
54 
55  G4double GetEmissionProbability(G4Fragment* theNucleus) override;
56 
57  void SetFissionBarrier(G4VFissionBarrier * aBarrier);
58 
59  void SetEmissionStrategy(G4VEmissionProbability * aFissionProb);
60 
62 
63  inline G4double GetFissionBarrier(void) const;
64 
65  inline G4double GetLevelDensityParameter(void) const;
66 
67  inline G4double GetMaximalKineticEnergy(void) const;
68 
69 private:
70 
71  // Sample AtomicNumber of Fission products
73 
75 
76  // Sample Charge of fission products
78 
79  // Sample Kinetic energy of fission products
81  G4int Af1, G4int Zf1,
82  G4int Af2, G4int Zf2,
83  G4double U, G4double Tmax);
84 
85  inline G4double Ratio(G4double A, G4double A11,
86  G4double B1, G4double A00) const;
87 
88  inline G4double SymmetricRatio(G4int A, G4double A11) const;
89 
90  inline G4double AsymmetricRatio(G4int A, G4double A11) const;
91 
92  inline G4double LocalExp(G4double x) const;
93 
96  G4bool operator==(const G4CompetitiveFission &right) const;
97  G4bool operator!=(const G4CompetitiveFission &right) const;
98 
99  // Maximal Kinetic Energy that can be carried by fragment
103 
104  // For Fission barrier
106 
107  // For Fission probability emission
109 
110  // For Level Density calculation
113 
117 
119 
120 };
121 
123 {
124  return fissionBarrier;
125 }
126 
128 {
129  return maxKineticEnergy;
130 }
131 
132 inline
134  G4double B1, G4double A00) const
135 {
136  G4double res;
137  if (A11 >= A*0.5 && A11 <= (A00+10.0)) {
138  G4double x = (A11-A00)/A;
139  res = 1.0 - B1*x*x;
140  } else {
141  G4double x = 10.0/A;
142  res = 1.0 - B1*x*x - 2.0*x*B1*(A11-A00-10.0)/A;
143  }
144  return res;
145 }
146 
147 inline
149 {
150  return Ratio(G4double(A),A11,23.5,134.0);
151 }
152 
153 inline
155 {
156  G4double A0 = G4double(A);
157  return Ratio(A0,A11,5.32,A0*0.5);
158 }
159 
161 {
162  return (std::abs(x) < 8.) ? G4Exp(-0.5*x*x) : 0.0;
163 }
164 
165 #endif
166 
167