Gabriele Cosmo
159 lines
5.4 KiB
C++
159 lines
5.4 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4ParticleChangeForDecay
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//
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// Class description:
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//
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// Concrete class for ParticleChange which has functionality for G4Decay.
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//
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// This class contains the results after invocation of the decay process.
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// This includes secondary particles generated by the interaction.
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// Author: Hisaya Kurashige, 23 March 1998
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// --------------------------------------------------------------------
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#ifndef G4ParticleChangeForDecay_hh
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#define G4ParticleChangeForDecay_hh 1
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#include "globals.hh"
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#include "G4ios.hh"
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#include "G4ThreeVector.hh"
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#include "G4VParticleChange.hh"
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class G4DynamicParticle;
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class G4ParticleChangeForDecay final : public G4VParticleChange
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{
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public:
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G4ParticleChangeForDecay();
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~G4ParticleChangeForDecay() override = default;
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G4ParticleChangeForDecay(const G4ParticleChangeForDecay& right) = delete;
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G4ParticleChangeForDecay& operator=(const G4ParticleChangeForDecay& right) = delete;
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// --- the following methods are for updating G4Step -----
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// Return the pointer to the G4Step after updating the step information
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// by using final state information of the track given by a physics process
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// !!! No effect for AlongSteyp
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G4Step* UpdateStepForAtRest(G4Step* Step) final;
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G4Step* UpdateStepForPostStep(G4Step* Step) final;
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void Initialize(const G4Track&) final;
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// Initialize all properties by using G4Track information
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void ProposeGlobalTime(G4double t);
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void ProposeLocalTime(G4double t);
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// Get/Propose the final global/local time
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// NOTE: DO NOT INVOKE both methods in a step
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// Each method affects both local and global time
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G4double GetGlobalTime(G4double timeDelay = 0.0) const;
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G4double GetLocalTime(G4double timeDelay = 0.0) const;
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// Convert the time delay to the glocbal/local time.
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// Can get the final global/local time without argument
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const G4ThreeVector* GetPolarization() const;
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void ProposePolarization(G4double Px, G4double Py, G4double Pz);
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void ProposePolarization(const G4ThreeVector& finalPoralization);
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// Get/Propose the final Polarization vector
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// --- Dump and debug methods ---
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void DumpInfo() const final;
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G4bool CheckIt(const G4Track&) final;
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private:
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G4double theGlobalTime0 = 0.0;
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// The global time at Initial
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G4double theLocalTime0 = 0.0;
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// The local time at Initial
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G4double theTimeChange = 0.0;
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// The change of local time of a given particle
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G4ThreeVector thePolarizationChange;
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// The changed (final) polarization of a given track
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};
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// ----------------------
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// Inline methods
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// ----------------------
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inline
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void G4ParticleChangeForDecay::ProposeGlobalTime(G4double t)
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{
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theTimeChange = (t - theGlobalTime0) + theLocalTime0;
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}
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inline
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G4double G4ParticleChangeForDecay::GetGlobalTime(G4double timeDelay) const
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{
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// Convert the time delay to the global time.
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return theGlobalTime0 + (theTimeChange - theLocalTime0) + timeDelay;
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}
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inline
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void G4ParticleChangeForDecay::ProposeLocalTime(G4double t)
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{
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theTimeChange = t;
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}
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inline
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G4double G4ParticleChangeForDecay::GetLocalTime(G4double timeDelay) const
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{
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// Convert the time delay to the local time.
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return theTimeChange + timeDelay;
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}
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inline
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const G4ThreeVector* G4ParticleChangeForDecay::GetPolarization() const
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{
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return &thePolarizationChange;
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}
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inline
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void G4ParticleChangeForDecay::ProposePolarization(
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const G4ThreeVector& finalPoralization)
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{
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thePolarizationChange = finalPoralization;
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}
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inline
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void G4ParticleChangeForDecay::ProposePolarization(G4double Px,
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G4double Py,
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G4double Pz)
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{
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thePolarizationChange.setX(Px);
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thePolarizationChange.setY(Py);
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thePolarizationChange.setZ(Pz);
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}
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#endif
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