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25 //
26 // Hadronic Process: Nuclear De-excitations
27 // by V. Lara (Oct 1998)
28 //
29 // Modif (03 September 2008) by J. M. Quesada for external choice of inverse
30 // cross section option
31 // JMQ (06 September 2008) Also external choices have been added for
32 // superimposed Coulomb barrier (if useSICB is set true, by default is false)
33 //
34 // V.Ivanchenko general clean-up since 2010
35 //
36
37 #ifndef G4VEmissionProbability_h
38 #define G4VEmissionProbability_h 1
39
40 #include "globals.hh"
41 #include "G4Fragment.hh"
42
43 class G4NuclearLevelData;
44 class G4Pow;
45
46 class G4VEmissionProbability
47 {
48 public:
49
50 explicit G4VEmissionProbability(G4int Z, G4int A);
51
52 virtual ~G4VEmissionProbability() = default;
53
54 virtual void Initialise();
55
56 virtual G4double EmissionProbability(const G4Fragment & fragment,
57 G4double anEnergy);
58
59 virtual G4double ComputeProbability(G4double anEnergy, G4double CB);
60
61 G4int GetZ(void) const { return theZ; }
62
63 G4int GetA(void) const { return theA; }
64
65 // Z, A, rmass are residual parameters
66 // fmass is SCM mass of decaying nucleus
67 // exc is an excitation of emitted fragment
68 void SetDecayKinematics(G4int rZ, G4int rA, G4double rmass, G4double fmass)
69 {
70 resZ = rZ;
71 resA = rA;
72 pMass = fmass;
73 pResMass = rmass;
74 }
75
76 G4double GetRecoilExcitation() const { return fExcRes; };
77
78 void SetEvapExcitation(G4double exc) { fExc = exc; };
79
80 G4double GetProbability() const { return pProbability; };
81
82 void ResetProbability() { pProbability = 0.0; };
83
84 // this method may be called only if the probability is computed
85 // for given initial fragment and decay channel
86 G4double SampleEnergy();
87
88 G4VEmissionProbability(const G4VEmissionProbability &right) = delete;
89 const G4VEmissionProbability & operator=
90 (const G4VEmissionProbability &right) = delete;
91 G4bool operator==(const G4VEmissionProbability &right) const = delete;
92 G4bool operator!=(const G4VEmissionProbability &right) const = delete;
93
94 protected:
95
96 void ResetIntegrator(size_t nbin, G4double de, G4double eps);
97
98 G4double IntegrateProbability(G4double elow, G4double ehigh, G4double CB);
99
100 G4NuclearLevelData* pNuclearLevelData;
101 G4Pow* pG4pow;
102
103 G4int OPTxs;
104 G4int pVerbose;
105 G4int theZ;
106 G4int theA;
107 G4int resZ = 0;
108 G4int resA = 0;
109
110 G4double pMass = 0.0; // initial fragment
111 G4double pEvapMass = 0.0;
112 G4double pResMass = 0.0;
113 G4double pProbability = 0.0;
114 G4double pTolerance = 0.0;
115 G4double pWidth = 0.0;
116
117 private:
118
119 G4double FindRecoilExcitation(const G4double e);
120
121 G4double fExc = 0.0;
122 G4double fExcRes = 0.0;
123
124 G4double fE1 = 0.0;
125 G4double fE2 = 0.0;
126 G4double fP2 = 0.0;
127
128 G4double emin = 0.0;
129 G4double emax = 0.0;
130 G4double eCoulomb = 0.0;
131 G4double accuracy = 0.005;
132 G4double probmax = 0.0;
133 G4double elimit;
134
135 G4bool fFD = false;
136 };
137
138 #endif
139