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geant4/source/processes/hadronic/models/de_excitation/multifragmentation/include/G4StatMFChannel.hh
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//
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// $Id: G4StatMFChannel.hh,v 1.3 2006/06/29 20:24:05 gunter Exp $
// GEANT4 tag $Name: geant4-09-01 $
//
// Hadronic Process: Nuclear De-excitations
// by V. Lara
#ifndef G4StatMFChannel_h
#define G4StatMFChannel_h 1
#include <deque>
#include "G4StatMFParameters.hh"
#include "G4StatMFFragment.hh"
class G4StatMFChannel {
public:
// Default Constructor
G4StatMFChannel() :
_NumOfNeutralFragments(0),
_NumOfChargedFragments(0)
{}
// Destructor
~G4StatMFChannel() {
if (!_theFragments.empty()) {
std::for_each(_theFragments.begin(),_theFragments.end(),
DeleteFragment());
}
}
private:
// Copy constructor
G4StatMFChannel(const G4StatMFChannel & right);
// operators
G4StatMFChannel & operator=(const G4StatMFChannel & right);
public:
G4bool operator==(const G4StatMFChannel & right) const;
G4bool operator!=(const G4StatMFChannel & right) const;
public:
void CreateFragment(const G4double A, const G4double Z);
G4int GetMultiplicity(void) { return _theFragments.size();}
// Return false if there is some unphysical fragment
G4bool CheckFragments(void);
G4double GetFragmentsCoulombEnergy(void);
G4double GetFragmentsEnergy(const G4double T) const;
G4FragmentVector * GetFragments(const G4double anA, const G4double anZ, const G4double T);
private:
// This method calculates asymptotic fragments momenta.
void CoulombImpulse(const G4double anA, const G4double anZ, const G4double T);
void PlaceFragments(const G4double anA);
void SolveEqOfMotion(const G4double anA, const G4double anZ, const G4double T);
// Calculates fragments momentum components at the breakup instant.
// Fragment kinetic energies will be calculated according to the
// Boltzamann distribution at given temperature.
void FragmentsMomenta(const G4int NF, const G4int idx, const G4double T);
// Samples a isotropic random vectorwith a magnitud given by Magnitude.
// By default Magnitude = 1
G4ThreeVector IsotropicVector(const G4double Magnitude = 1.0);
// Rotates a 3-vector P to close momentum triangle Pa + V + P = 0
G4ThreeVector RotateMomentum(G4ThreeVector Pa, G4ThreeVector V,
G4ThreeVector P);
private:
std::deque<G4StatMFFragment*> _theFragments;
G4int _NumOfNeutralFragments;
G4int _NumOfChargedFragments;
struct DeleteFragment
{
template<typename T>
void operator()(const T* ptr) const
{
delete ptr;
}
};
};
#endif