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Geant4/processes/decay/include/G4Decay.hh

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Differences between /processes/decay/include/G4Decay.hh (Version 11.3.0) and /processes/decay/include/G4Decay.hh (Version 11.0.p3,)


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  1 //                                                  1 
  2 // *******************************************    
  3 // * License and Disclaimer                       
  4 // *                                              
  5 // * The  Geant4 software  is  copyright of th    
  6 // * the Geant4 Collaboration.  It is provided    
  7 // * conditions of the Geant4 Software License    
  8 // * LICENSE and available at  http://cern.ch/    
  9 // * include a list of copyright holders.         
 10 // *                                              
 11 // * Neither the authors of this software syst    
 12 // * institutes,nor the agencies providing fin    
 13 // * work  make  any representation or  warran    
 14 // * regarding  this  software system or assum    
 15 // * use.  Please see the license in the file     
 16 // * for the full disclaimer and the limitatio    
 17 // *                                              
 18 // * This  code  implementation is the result     
 19 // * technical work of the GEANT4 collaboratio    
 20 // * By using,  copying,  modifying or  distri    
 21 // * any work based  on the software)  you  ag    
 22 // * use  in  resulting  scientific  publicati    
 23 // * acceptance of all terms of the Geant4 Sof    
 24 // *******************************************    
 25 //                                                
 26 //                                                
 27 //                                                
 28 //                                                
 29 // -------------------------------------------    
 30 //      GEANT 4 class header file                 
 31 //                                                
 32 //      History: first implementation, based o    
 33 //      7 July 1996 H.Kurashige                   
 34 // -------------------------------------------    
 35 //  New Physics scheme           18 Jan. 1997     
 36 // -------------------------------------------    
 37 //   modified                     4  Feb. 1997    
 38 //   modified                     8  Sep. 1997    
 39 //   remove BuildPhysicsTable()   27 Nov. 1997    
 40 //   modified for new ParticleChange 12 Mar. 1    
 41 //   added aPhysicsTable          2  Aug. 1998    
 42 //   PreAssignedDecayTime         18 Jan. 2001    
 43 //   Add External Decayer         23 Feb. 2001    
 44 //   Remove PhysicsTable          12 Feb. 2002    
 45 //   Fixed bug in PostStepGPIL                    
 46 //    in case of stopping during AlongStepDoIt    
 47 //   Add GetRemainderLifeTime  10 Aug/2004 H.K    
 48 //   Add DaughterPolarization     23 July 2008    
 49                                                   
 50                                                   
 51 #ifndef G4Decay_h                                 
 52 #define G4Decay_h 1                               
 53                                                   
 54 #include "G4ios.hh"                               
 55 #include "globals.hh"                             
 56 #include "G4VRestDiscreteProcess.hh"              
 57 #include "G4ParticleChangeForDecay.hh"            
 58 #include "G4DecayProcessType.hh"                  
 59                                                   
 60 class G4VExtDecayer;                              
 61                                                   
 62 class G4Decay : public G4VRestDiscreteProcess     
 63 {                                                 
 64  // Class Description                             
 65   //  This class is a decay process               
 66                                                   
 67   public:                                         
 68     //  Constructors                              
 69     G4Decay(const G4String& processName ="Deca    
 70                                                   
 71     //  Destructor                                
 72     virtual ~G4Decay();                           
 73                                                   
 74   private:                                        
 75     //  copy constructor                          
 76       G4Decay(const G4Decay &right);              
 77                                                   
 78     //  Assignment Operation (generated)          
 79       G4Decay & operator=(const G4Decay &right    
 80                                                   
 81   public: //With Description                      
 82      // G4Decay Process has both                  
 83      // PostStepDoIt (for decay in flight)        
 84      //   and                                     
 85      // AtRestDoIt (for decay at rest)            
 86                                                   
 87      virtual G4VParticleChange *PostStepDoIt(     
 88            const G4Track& aTrack,                 
 89                              const G4Step& aSt    
 90                             ) override;           
 91                                                   
 92      virtual G4VParticleChange* AtRestDoIt(       
 93            const G4Track& aTrack,                 
 94            const G4Step&  aStep                   
 95           ) override;                             
 96                                                   
 97      virtual void BuildPhysicsTable(const G4Pa    
 98      // In G4Decay, thePhysicsTable stores val    
 99     //    beta * std::sqrt( 1 - beta*beta)        
100     //  as a function of normalized kinetic en    
101     //  becasuse this table is universal for a    
102                                                   
103                                                   
104     virtual G4bool IsApplicable(const G4Partic    
105     // returns "true" if the decay process can    
106     // the particle type.                         
107                                                   
108   protected: // With Description                  
109     virtual G4VParticleChange* DecayIt(           
110            const G4Track& aTrack,                 
111            const G4Step&  aStep                   
112           );                                      
113     // The DecayIt() method returns by pointer    
114     // which has information of daughter parti    
115                                                   
116     // Set daughter polarization                  
117     //  NO OPERATION in the base class of G4De    
118     virtual void DaughterPolarization(const G4    
119             G4DecayProducts* products);           
120                                                   
121  public:                                          
122     virtual G4double AtRestGetPhysicalInteract    
123                              const G4Track& tr    
124                              G4ForceCondition*    
125                             ) override;           
126                                                   
127     virtual G4double PostStepGetPhysicalIntera    
128                              const G4Track& tr    
129                              G4double   previo    
130                              G4ForceCondition*    
131                             ) override;           
132                                                   
133   protected: // With Description                  
134     // GetMeanFreePath returns ctau*beta*gamma    
135     // GetMeanLifeTime returns ctau for decay     
136     virtual G4double GetMeanFreePath(const G4T    
137                               G4double   previ    
138                               G4ForceCondition    
139                              ) override;          
140                                                   
141     virtual G4double GetMeanLifeTime(const G4T    
142                               G4ForceCondition    
143                             ) override;           
144                                                   
145    public: //With Description                     
146      virtual void StartTracking(G4Track*) over    
147      virtual void EndTracking() override;         
148       // inform Start/End of tracking for each    
149                                                   
150    public: //With Description                     
151      void SetExtDecayer(G4VExtDecayer*);          
152      const G4VExtDecayer* GetExtDecayer() cons    
153      // Set/Get External Decayer                  
154                                                   
155     G4double GetRemainderLifeTime() const;        
156     //Get Remainder of life time at rest decay    
157                                                   
158     virtual void ProcessDescription(std::ostre    
159     //                                            
160                                                   
161   protected:                                      
162      G4int verboseLevel;                          
163      // controle flag for output message          
164      //  0: Silent                                
165      //  1: Warning message                       
166      //  2: More                                  
167                                                   
168   protected:                                      
169     // HighestValue.                              
170     const G4double HighestValue;                  
171                                                   
172     // Remainder of life time at rest             
173     G4double                 fRemainderLifeTim    
174                                                   
175     // ParticleChange for decay process           
176     G4ParticleChangeForDecay fParticleChangeFo    
177                                                   
178     // External Decayer                           
179     G4VExtDecayer*    pExtDecayer;                
180 };                                                
181                                                   
182 inline                                            
183   G4VParticleChange* G4Decay::AtRestDoIt(         
184            const G4Track& aTrack,                 
185            const G4Step&  aStep                   
186           )                                       
187 {                                                 
188   return DecayIt(aTrack, aStep);                  
189 }                                                 
190                                                   
191                                                   
192 inline                                            
193  const G4VExtDecayer* G4Decay::GetExtDecayer()    
194 {                                                 
195   return pExtDecayer;                             
196 }                                                 
197                                                   
198 inline                                            
199  G4double G4Decay::GetRemainderLifeTime() cons    
200 {                                                 
201   return fRemainderLifeTime;                      
202 }                                                 
203                                                   
204 #endif                                            
205                                                   
206                                                   
207                                                   
208                                                   
209                                                   
210                                                   
211                                                   
212                                                   
213                                                   
214                                                   
215