Gabriele Cosmo
175 lines
5.4 KiB
C++
175 lines
5.4 KiB
C++
//
|
|
// ********************************************************************
|
|
// * 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 *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4UnknownDecay.hh,v 1.3 2006/06/29 19:30:56 gunter Exp $
|
|
// GEANT4 tag $Name: geant4-09-02 $
|
|
//
|
|
//
|
|
// ------------------------------------------------------------
|
|
// GEANT 4 class header file
|
|
//
|
|
//
|
|
#ifndef G4UnknownDecay_h
|
|
#define G4UnknownDecay_h 1
|
|
|
|
#include "G4ios.hh"
|
|
#include "globals.hh"
|
|
#include "G4VDiscreteProcess.hh"
|
|
#include "G4ParticleChangeForDecay.hh"
|
|
|
|
class G4UnknownDecay : public G4VDiscreteProcess
|
|
{
|
|
// Class Description
|
|
// This class is a decay process for "unknown" particle.
|
|
|
|
public:
|
|
// Constructors
|
|
G4UnknownDecay(const G4String& processName ="UnknownDecay");
|
|
|
|
// Destructor
|
|
virtual ~G4UnknownDecay();
|
|
|
|
private:
|
|
// copy constructor
|
|
G4UnknownDecay(const G4UnknownDecay &right);
|
|
|
|
// Assignment Operation (generated)
|
|
G4UnknownDecay & operator=(const G4UnknownDecay &right);
|
|
|
|
public: //With Description
|
|
|
|
virtual G4VParticleChange *PostStepDoIt(
|
|
const G4Track& aTrack,
|
|
const G4Step& aStep
|
|
);
|
|
|
|
virtual void BuildPhysicsTable(const G4ParticleDefinition&);
|
|
// In G4UnknownDecay, thePhysicsTable stores values of
|
|
// beta * std::sqrt( 1 - beta*beta)
|
|
// as a function of normalized kinetic enregy (=Ekin/mass),
|
|
// becasuse this table is universal for all particle types,
|
|
|
|
|
|
virtual G4bool IsApplicable(const G4ParticleDefinition&);
|
|
// returns "true" if the decay process can be applied to
|
|
// the particle type.
|
|
|
|
protected: // With Description
|
|
virtual G4VParticleChange* DecayIt(
|
|
const G4Track& aTrack,
|
|
const G4Step& aStep
|
|
);
|
|
// The DecayIt() method returns by pointer a particle-change object,
|
|
// which has information of daughter particles.
|
|
|
|
public:
|
|
|
|
virtual G4double PostStepGetPhysicalInteractionLength(
|
|
const G4Track& track,
|
|
G4double previousStepSize,
|
|
G4ForceCondition* condition
|
|
);
|
|
|
|
|
|
protected: // With Description
|
|
// GetMeanFreePath returns ctau*beta*gamma for decay in flight
|
|
virtual G4double GetMeanFreePath(const G4Track& aTrack,
|
|
G4double previousStepSize,
|
|
G4ForceCondition* condition
|
|
);
|
|
|
|
public:
|
|
void SetVerboseLevel(G4int value);
|
|
G4int GetVerboseLevel() const;
|
|
|
|
private:
|
|
G4int verboseLevel;
|
|
// controle flag for output message
|
|
// 0: Silent
|
|
// 1: Warning message
|
|
// 2: More
|
|
|
|
private:
|
|
// HighestValue.
|
|
const G4double HighestValue;
|
|
|
|
// ParticleChange for decay process
|
|
G4ParticleChangeForDecay fParticleChangeForDecay;
|
|
|
|
};
|
|
|
|
inline
|
|
G4double G4UnknownDecay::PostStepGetPhysicalInteractionLength(
|
|
const G4Track& track,
|
|
G4double /*previousStepSize*/,
|
|
G4ForceCondition* condition
|
|
)
|
|
{
|
|
// pre-assigned UnknownDecay time
|
|
G4double pTime = track.GetDynamicParticle()->GetPreAssignedDecayProperTime();
|
|
|
|
if (pTime < 0.) pTime = DBL_MIN;
|
|
|
|
// condition is set to "Not Forced"
|
|
*condition = NotForced;
|
|
|
|
// reminder proper time
|
|
G4double remainder = pTime - track.GetProperTime();
|
|
if (remainder <= 0.0) remainder = DBL_MIN;
|
|
|
|
// use pre-assigned Decay time to determine PIL
|
|
//return GetMeanFreePath(track, previousStepSize, condition);
|
|
return remainder*c_light;
|
|
|
|
}
|
|
|
|
inline
|
|
void G4UnknownDecay::SetVerboseLevel(G4int value){ verboseLevel = value; }
|
|
|
|
inline
|
|
G4int G4UnknownDecay::GetVerboseLevel() const { return verboseLevel; }
|
|
|
|
inline
|
|
G4VParticleChange* G4UnknownDecay::PostStepDoIt(
|
|
const G4Track& aTrack,
|
|
const G4Step& aStep
|
|
)
|
|
{
|
|
return DecayIt(aTrack, aStep);
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|