include/Geant4/G4StatMFChannel.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
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0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
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0017 // *                                                                  *
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0019 // * technical work of the GEANT4 collaboration.                      *
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0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 //
0028 // Hadronic Process: Nuclear De-excitations
0029 // by V. Lara
0030
0031 #ifndef G4StatMFChannel_h
0032 #define G4StatMFChannel_h 1
0033
0034 #include <deque>
0035 #include <vector>
0036
0037 #include "G4StatMFParameters.hh"
0038 #include "G4StatMFFragment.hh"
0039
0040
0041 class G4StatMFChannel {
0042
0043 public:
0044     // Default Constructor
0045     G4StatMFChannel();
0046
0047     // Destructor
0048     ~G4StatMFChannel();
0049
0050 private:
0051
0052     // Copy constructor
0053     G4StatMFChannel(const G4StatMFChannel & right);
0054
0055     // operators
0056     G4StatMFChannel & operator=(const G4StatMFChannel & right);
0057
0058     G4bool operator==(const G4StatMFChannel & right) const;
0059     G4bool operator!=(const G4StatMFChannel & right) const;
0060
0061 public:
0062
0063     void CreateFragment(G4int A, G4int Z);
0064
0065     inline size_t GetMultiplicity(void) { return _theFragments.size();}
0066
0067     // Return false if there is some unphysical fragment
0068     G4bool CheckFragments(void);
0069
0070     G4double GetFragmentsCoulombEnergy(void);
0071
0072     G4double GetFragmentsEnergy(G4double T) const;
0073
0074     G4FragmentVector * GetFragments(G4int anA, G4int anZ, G4double T);
0075
0076 private:
0077
0078     // This method calculates asymptotic fragments momenta.
0079     void CoulombImpulse(G4int anA, G4int anZ, G4double T);
0080
0081     void PlaceFragments(G4int anA);
0082
0083     void SolveEqOfMotion(G4int anA, G4int anZ, G4double T);
0084
0085     // Calculates fragments momentum components at the breakup instant.
0086     // Fragment kinetic energies will be calculated according to the
0087     // Boltzamann distribution at given temperature.
0088     void FragmentsMomenta(G4int NF, G4int idx, G4double T);
0089
0090     // Rotates a 3-vector P to close momentum triangle Pa + V + P = 0
0091     G4ThreeVector RotateMomentum(G4ThreeVector Pa, G4ThreeVector V,
0092                  G4ThreeVector P);
0093
0094 private:
0095
0096     std::deque<G4StatMFFragment*> _theFragments;
0097     std::vector<G4ThreeVector> Pos;
0098     std::vector<G4ThreeVector> Vel;
0099     std::vector<G4ThreeVector> Accel;
0100
0101     G4int _NumOfNeutralFragments;
0102
0103     G4int _NumOfChargedFragments;
0104
0105   struct DeleteFragment
0106   {
0107     template<typename T>
0108     void operator()(const T* ptr) const
0109     {
0110       delete ptr;
0111     }
0112   };
0113
0114 };
0115
0116 #endif
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