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2025-12-05 08:54:02 +01:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
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// ********************************************************************
//
//
//
// Hadronic Process: Nuclear De-excitations
// by V. Lara
#ifndef G4StatMFChannel_h
#define G4StatMFChannel_h 1
#include <deque>
#include <vector>
#include "G4StatMFParameters.hh"
#include "G4StatMFFragment.hh"
class G4StatMFChannel {
public:
// Default Constructor
G4StatMFChannel();
// Destructor
~G4StatMFChannel();
private:
// Copy constructor
G4StatMFChannel(const G4StatMFChannel & right);
// operators
G4StatMFChannel & operator=(const G4StatMFChannel & right);
G4bool operator==(const G4StatMFChannel & right) const;
G4bool operator!=(const G4StatMFChannel & right) const;
public:
void CreateFragment(G4int A, G4int Z);
inline size_t GetMultiplicity(void) { return _theFragments.size();}
// Return false if there is some unphysical fragment
G4bool CheckFragments(void);
G4double GetFragmentsCoulombEnergy(void);
G4double GetFragmentsEnergy(G4double T) const;
G4FragmentVector * GetFragments(G4int anA, G4int anZ, G4double T);
private:
// This method calculates asymptotic fragments momenta.
void CoulombImpulse(G4int anA, G4int anZ, G4double T);
void PlaceFragments(G4int anA);
void SolveEqOfMotion(G4int anA, G4int anZ, 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(G4int NF, G4int idx, G4double T);
// 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;
std::vector<G4ThreeVector> Pos;
std::vector<G4ThreeVector> Vel;
std::vector<G4ThreeVector> Accel;
G4int _NumOfNeutralFragments;
G4int _NumOfChargedFragments;
struct DeleteFragment
{
template<typename T>
void operator()(const T* ptr) const
{
delete ptr;
}
};
};
#endif