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//
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//
// Hadronic Process: Nuclear De-excitations
// by V. Lara (Oct 1998)
//
// Modif (03 September 2008) by J. M. Quesada for external choice of inverse
// cross section option
// JMQ (06 September 2008) Also external choices have been added for
// superimposed Coulomb barrier (if useSICB is set true, by default is false)
//
// V.Ivanchenko general clean-up since 2010
//
#ifndef G4VEmissionProbability_h
#define G4VEmissionProbability_h 1
#include "globals.hh"
#include "G4Fragment.hh"
#include "G4VSIntegration.hh"
class G4NuclearLevelData;
class G4Pow;
class G4VEmissionProbability : G4VSIntegration
{
public:
explicit G4VEmissionProbability(G4int Z, G4int A);
~G4VEmissionProbability() override = default;
G4double ProbabilityDensityFunction(G4double energy) override;
virtual void Initialise();
virtual G4double EmissionProbability(const G4Fragment & fragment,
G4double anEnergy);
virtual G4double ComputeProbability(G4double anEnergy, G4double CB);
G4int GetZ(void) const { return theZ; }
G4int GetA(void) const { return theA; }
// Z, A, rmass are residual parameters
// fmass is SCM mass of decaying nucleus
// exc is an excitation of emitted fragment
void SetDecayKinematics(G4int rZ, G4int rA, G4double rmass, G4double fmass)
{
resZ = rZ;
resA = rA;
pMass = fmass;
pResMass = rmass;
}
G4double GetRecoilExcitation() const { return fExcRes; };
void SetEvapExcitation(G4double exc) { fExc = exc; };
G4double GetProbability() const { return pProbability; };
void ResetProbability() { pProbability = 0.0; };
// this method may be called only if the probability is computed
// for given initial fragment and decay channel
G4double SampleEnergy();
G4VEmissionProbability(const G4VEmissionProbability &right) = delete;
const G4VEmissionProbability & operator=
(const G4VEmissionProbability &right) = delete;
G4bool operator==(const G4VEmissionProbability &right) const = delete;
G4bool operator!=(const G4VEmissionProbability &right) const = delete;
protected:
void ResetIntegrator(G4double de, G4double eps);
G4double IntegrateProbability(G4double elow, G4double ehigh, G4double CB);
G4NuclearLevelData* pNuclearLevelData;
G4Pow* pG4pow;
G4int OPTxs;
G4int pVerbose;
G4int theZ;
G4int theA;
G4int resZ = 0;
G4int resA = 0;
G4double pMass = 0.0; // initial fragment
G4double pEvapMass = 0.0;
G4double pResMass = 0.0;
G4double pProbability = 0.0;
G4double pTolerance = 0.0;
G4double pWidth = 0.0;
private:
G4double FindRecoilExcitation(const G4double e);
G4double fExc = 0.0;
G4double fExcRes = 0.0;
G4double eCoulomb = 0.0;
G4double fMaxLifeTime = 1.0;
G4bool fFD = false;
};
#endif