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26 // 26 //
>> 27 // $Id: G4CompetitiveFission.hh,v 1.3 2006/06/29 20:13:19 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-09-03-patch-01 $
27 // 29 //
28 // Hadronic Process: Nuclear De-excitations 30 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara (Oct 1998) 31 // by V. Lara (Oct 1998)
30 32
31 #ifndef G4CompetitiveFission_h 33 #ifndef G4CompetitiveFission_h
32 #define G4CompetitiveFission_h 1 34 #define G4CompetitiveFission_h 1
33 35
34 #include "G4VEvaporationChannel.hh" 36 #include "G4VEvaporationChannel.hh"
35 #include "G4Fragment.hh" 37 #include "G4Fragment.hh"
>> 38 #include "G4VFissionBarrier.hh"
>> 39 #include "G4FissionBarrier.hh"
36 #include "G4VEmissionProbability.hh" 40 #include "G4VEmissionProbability.hh"
>> 41 #include "G4FissionProbability.hh"
>> 42 #include "G4VLevelDensityParameter.hh"
>> 43 #include "G4FissionLevelDensityParameter.hh"
37 #include "G4FissionParameters.hh" 44 #include "G4FissionParameters.hh"
38 #include <CLHEP/Units/SystemOfUnits.h> << 45 #include "G4ParticleTable.hh"
39 #include "G4Exp.hh" << 46 #include "G4IonTable.hh"
>> 47 #include "Randomize.hh"
40 48
41 class G4VFissionBarrier; << 49 //#define debug
42 class G4VEmissionProbability; <<
43 class G4VLevelDensityParameter; <<
44 class G4PairingCorrection; <<
45 50
46 class G4CompetitiveFission : public G4VEvapora 51 class G4CompetitiveFission : public G4VEvaporationChannel
47 { 52 {
48 public: 53 public:
49 54
50 G4CompetitiveFission(); 55 G4CompetitiveFission();
51 ~G4CompetitiveFission() override; << 56 virtual ~G4CompetitiveFission();
52 57
53 void Initialise() override; << 58 private:
54 << 59 G4CompetitiveFission(const G4CompetitiveFission &right);
55 G4Fragment* EmittedFragment(G4Fragment* theN << 60
>> 61 const G4CompetitiveFission & operator=(const G4CompetitiveFission &right);
>> 62 public:
>> 63 G4bool operator==(const G4CompetitiveFission &right) const;
>> 64 G4bool operator!=(const G4CompetitiveFission &right) const;
>> 65
>> 66 public:
>> 67 G4FragmentVector * BreakUp(const G4Fragment &theNucleus);
56 68
57 G4double GetEmissionProbability(G4Fragment* << 69 void Initialize(const G4Fragment & fragment);
58 70
59 void SetFissionBarrier(G4VFissionBarrier * a << 71 inline void SetFissionBarrier(G4VFissionBarrier * aBarrier)
>> 72 {
>> 73 if (MyOwnFissionBarrier) delete theFissionBarrierPtr;
>> 74 theFissionBarrierPtr = aBarrier;
>> 75 MyOwnFissionBarrier = false;
>> 76 }
60 77
61 void SetEmissionStrategy(G4VEmissionProbabil << 78 inline void SetEmissionStrategy(G4VEmissionProbability * aFissionProb)
>> 79 {
>> 80 if (MyOwnFissionProbability) delete theFissionProbabilityPtr;
>> 81 theFissionProbabilityPtr = aFissionProb;
>> 82 MyOwnFissionProbability = false;
>> 83 }
62 84
63 void SetLevelDensityParameter(G4VLevelDensit <<
64 85
65 inline G4double GetFissionBarrier(void) cons << 86 inline void SetLevelDensityParameter(G4VLevelDensityParameter * aLevelDensity)
>> 87 {
>> 88 if (MyOwnLevelDensity) delete theLevelDensityPtr;
>> 89 theLevelDensityPtr = aLevelDensity;
>> 90 MyOwnLevelDensity = false;
>> 91 }
>> 92
66 93
67 inline G4double GetLevelDensityParameter(voi << 94 inline G4double GetFissionBarrier(void) const { return FissionBarrier; }
68 95
69 inline G4double GetMaximalKineticEnergy(void << 96 inline G4double GetEmissionProbability(void) const { return FissionProbability; }
70 97
71 G4CompetitiveFission(const G4CompetitiveFiss << 98 inline G4double GetLevelDensityParameter(void) const { return LevelDensityParameter; }
72 const G4CompetitiveFission & operator=(const <<
73 G4bool operator==(const G4CompetitiveFission <<
74 G4bool operator!=(const G4CompetitiveFission <<
75 99
>> 100 inline G4double GetMaximalKineticEnergy(void) const { return MaximalKineticEnergy; }
76 private: 101 private:
77 102
>> 103 // Maximal Kinetic Energy that can be carried by fragment
>> 104 G4double MaximalKineticEnergy;
>> 105
>> 106
>> 107 // For Fission barrier
>> 108 G4VFissionBarrier * theFissionBarrierPtr;
>> 109 G4double FissionBarrier;
>> 110 G4bool MyOwnFissionBarrier;
>> 111
>> 112 // For Fission probability emission
>> 113 G4VEmissionProbability * theFissionProbabilityPtr;
>> 114 G4double FissionProbability;
>> 115 G4bool MyOwnFissionProbability;
>> 116
>> 117
>> 118 // For Level Density calculation
>> 119 G4bool MyOwnLevelDensity;
>> 120 G4VLevelDensityParameter * theLevelDensityPtr;
>> 121 G4double LevelDensityParameter;
>> 122
>> 123
>> 124
>> 125
>> 126 // --------------------
>> 127
>> 128
78 // Sample AtomicNumber of Fission products 129 // Sample AtomicNumber of Fission products
79 G4int FissionAtomicNumber(G4int A); << 130 G4int FissionAtomicNumber(const G4int A, const G4FissionParameters & theParam);
>> 131 G4double MassDistribution(const G4double x, const G4double A, const G4FissionParameters & theParam);
80 132
81 G4double MassDistribution(G4double x, G4int <<
82 133
83 // Sample Charge of fission products 134 // Sample Charge of fission products
84 G4int FissionCharge(G4int A, G4int Z, G4doub << 135 G4int FissionCharge(const G4double A, const G4double Z, const G4double Af);
>> 136
85 137
86 // Sample Kinetic energy of fission products 138 // Sample Kinetic energy of fission products
87 G4double FissionKineticEnergy(G4int A, G4int << 139 G4double FissionKineticEnergy(const G4double A, const G4double Z,
88 G4int Af1, G4int Zf1, << 140 const G4double Af1, const G4double Zf1,
89 G4int Af2, G4int Zf2, << 141 const G4double Af2, const G4double Zf2,
90 G4double U, G4double Tmax); << 142 const G4double U, const G4double Tmax,
>> 143 const G4FissionParameters & theParam);
91 144
92 inline G4double Ratio(G4double A, G4double A <<
93 G4double B1, G4double <<
94 145
95 inline G4double SymmetricRatio(G4int A, G4do <<
96 146
97 inline G4double AsymmetricRatio(G4int A, G4d << 147 G4double Ratio(const G4double A,const G4double A11,const G4double B1,const G4double A00);
>> 148 G4double SymmetricRatio(const G4double A,const G4double A11);
>> 149 G4double AsymmetricRatio(const G4double A,const G4double A11);
98 150
99 inline G4double LocalExp(G4double x) const; <<
100 151
101 // Maximal Kinetic Energy that can be carrie <<
102 G4double maxKineticEnergy{0.0}; <<
103 G4double fissionBarrier{0.0}; <<
104 G4double fissionProbability{0.0}; <<
105 G4double fFactor{1.0}; <<
106 152
107 // For Fission barrier << 153 G4ThreeVector IsotropicVector(const G4double Magnitude = 1.0);
108 G4VFissionBarrier* theFissionBarrierPtr; <<
109 154
110 // For Fission probability emission <<
111 G4VEmissionProbability* theFissionProbabilit <<
112 155
113 // For Level Density calculation << 156 #ifdef debug
114 G4VLevelDensityParameter* theLevelDensityPtr << 157 void CheckConservation(const G4Fragment & theInitialState,
115 G4PairingCorrection* pairingCorrection; << 158 G4FragmentVector * Result) const;
>> 159 #endif
116 160
117 G4bool myOwnFissionProbability{true}; <<
118 G4bool myOwnFissionBarrier{true}; <<
119 G4bool myOwnLevelDensity{true}; <<
120 161
121 G4FissionParameters theParam; <<
122 <<
123 G4int theSecID; // Creator model ID for the <<
124 G4bool isInitialised{false}; <<
125 }; 162 };
126 163
127 inline G4double G4CompetitiveFission::GetFissi <<
128 { <<
129 return fissionBarrier; <<
130 } <<
131 <<
132 inline G4double G4CompetitiveFission::GetMaxim <<
133 { <<
134 return maxKineticEnergy; <<
135 } <<
136 <<
137 inline <<
138 G4double G4CompetitiveFission::Ratio(G4double <<
139 G4double B1, G4double A00) const <<
140 { <<
141 G4double res; <<
142 if (A11 >= A*0.5 && A11 <= (A00+10.0)) { <<
143 G4double x = (A11-A00)/A; <<
144 res = 1.0 - B1*x*x; <<
145 } else { <<
146 G4double x = 10.0/A; <<
147 res = 1.0 - B1*x*x - 2.0*x*B1*(A11-A00-10. <<
148 } <<
149 return res; <<
150 } <<
151 164
152 inline <<
153 G4double G4CompetitiveFission::AsymmetricRatio <<
154 { <<
155 return Ratio(G4double(A),A11,23.5,134.0); <<
156 } <<
157 <<
158 inline <<
159 G4double G4CompetitiveFission::SymmetricRatio( <<
160 { <<
161 G4double A0 = G4double(A); <<
162 return Ratio(A0,A11,5.32,A0*0.5); <<
163 } <<
164 <<
165 inline G4double G4CompetitiveFission::LocalExp <<
166 { <<
167 return (std::abs(x) < 8.) ? G4Exp(-0.5*x*x) <<
168 } <<
169 165
170 #endif 166 #endif
171 167
172 168
173 169