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25 // 25 //
26 // 26 //
>> 27 // $Id: G4Decay.hh 79179 2014-02-19 16:16:51Z gcosmo $
27 // 28 //
28 // 29 //
29 // ------------------------------------------- 30 // ------------------------------------------------------------
30 // GEANT 4 class header file 31 // GEANT 4 class header file
31 // 32 //
32 // History: first implementation, based o 33 // History: first implementation, based on object model of
33 // 7 July 1996 H.Kurashige 34 // 7 July 1996 H.Kurashige
34 // ------------------------------------------- 35 // ------------------------------------------------------------
35 // New Physics scheme 18 Jan. 1997 36 // New Physics scheme 18 Jan. 1997 H.Kurahige
36 // ------------------------------------------- 37 // ------------------------------------------------------------
37 // modified 4 Feb. 1997 38 // modified 4 Feb. 1997 H.Kurahige
38 // modified 8 Sep. 1997 39 // modified 8 Sep. 1997 H.Kurahige
39 // remove BuildPhysicsTable() 27 Nov. 1997 40 // remove BuildPhysicsTable() 27 Nov. 1997 H.Kurashige
40 // modified for new ParticleChange 12 Mar. 1 41 // modified for new ParticleChange 12 Mar. 1998 H.Kurashige
41 // added aPhysicsTable 2 Aug. 1998 42 // added aPhysicsTable 2 Aug. 1998 H.Kurashige
42 // PreAssignedDecayTime 18 Jan. 2001 43 // PreAssignedDecayTime 18 Jan. 2001 H.Kurashige
43 // Add External Decayer 23 Feb. 2001 44 // Add External Decayer 23 Feb. 2001 H.Kurashige
44 // Remove PhysicsTable 12 Feb. 2002 45 // Remove PhysicsTable 12 Feb. 2002 H.Kurashige
45 // Fixed bug in PostStepGPIL 46 // Fixed bug in PostStepGPIL
46 // in case of stopping during AlongStepDoIt 47 // in case of stopping during AlongStepDoIt 12 Mar. 2004 H.Kurashige
47 // Add GetRemainderLifeTime 10 Aug/2004 H.K 48 // Add GetRemainderLifeTime 10 Aug/2004 H.Kurashige
48 // Add DaughterPolarization 23 July 2008 49 // Add DaughterPolarization 23 July 2008 H.Kurashige
49 50
50 51
51 #ifndef G4Decay_h 52 #ifndef G4Decay_h
52 #define G4Decay_h 1 53 #define G4Decay_h 1
53 54
54 #include "G4ios.hh" 55 #include "G4ios.hh"
55 #include "globals.hh" 56 #include "globals.hh"
56 #include "G4VRestDiscreteProcess.hh" 57 #include "G4VRestDiscreteProcess.hh"
57 #include "G4ParticleChangeForDecay.hh" 58 #include "G4ParticleChangeForDecay.hh"
58 #include "G4DecayProcessType.hh" 59 #include "G4DecayProcessType.hh"
59 60
60 class G4VExtDecayer; 61 class G4VExtDecayer;
61 62
62 class G4Decay : public G4VRestDiscreteProcess 63 class G4Decay : public G4VRestDiscreteProcess
63 { 64 {
64 // Class Description 65 // Class Description
65 // This class is a decay process 66 // This class is a decay process
66 67
67 public: 68 public:
68 // Constructors 69 // Constructors
69 G4Decay(const G4String& processName ="Deca 70 G4Decay(const G4String& processName ="Decay");
70 71
71 // Destructor 72 // Destructor
72 virtual ~G4Decay(); 73 virtual ~G4Decay();
73 74
74 private: 75 private:
75 // copy constructor 76 // copy constructor
76 G4Decay(const G4Decay &right); 77 G4Decay(const G4Decay &right);
77 78
78 // Assignment Operation (generated) 79 // Assignment Operation (generated)
79 G4Decay & operator=(const G4Decay &right 80 G4Decay & operator=(const G4Decay &right);
80 81
81 public: //With Description 82 public: //With Description
82 // G4Decay Process has both 83 // G4Decay Process has both
83 // PostStepDoIt (for decay in flight) 84 // PostStepDoIt (for decay in flight)
84 // and 85 // and
85 // AtRestDoIt (for decay at rest) 86 // AtRestDoIt (for decay at rest)
86 87
87 virtual G4VParticleChange *PostStepDoIt( 88 virtual G4VParticleChange *PostStepDoIt(
88 const G4Track& aTrack, 89 const G4Track& aTrack,
89 const G4Step& aSt 90 const G4Step& aStep
90 ) override; << 91 );
91 92
92 virtual G4VParticleChange* AtRestDoIt( 93 virtual G4VParticleChange* AtRestDoIt(
93 const G4Track& aTrack, 94 const G4Track& aTrack,
94 const G4Step& aStep 95 const G4Step& aStep
95 ) override; << 96 );
96 97
97 virtual void BuildPhysicsTable(const G4Pa << 98 virtual void BuildPhysicsTable(const G4ParticleDefinition&);
98 // In G4Decay, thePhysicsTable stores val 99 // In G4Decay, thePhysicsTable stores values of
99 // beta * std::sqrt( 1 - beta*beta) 100 // beta * std::sqrt( 1 - beta*beta)
100 // as a function of normalized kinetic en 101 // as a function of normalized kinetic enregy (=Ekin/mass),
101 // becasuse this table is universal for a 102 // becasuse this table is universal for all particle types,
102 103
103 104
104 virtual G4bool IsApplicable(const G4Partic << 105 virtual G4bool IsApplicable(const G4ParticleDefinition&);
105 // returns "true" if the decay process can 106 // returns "true" if the decay process can be applied to
106 // the particle type. 107 // the particle type.
107 108
108 protected: // With Description 109 protected: // With Description
109 virtual G4VParticleChange* DecayIt( 110 virtual G4VParticleChange* DecayIt(
110 const G4Track& aTrack, 111 const G4Track& aTrack,
111 const G4Step& aStep 112 const G4Step& aStep
112 ); 113 );
113 // The DecayIt() method returns by pointer 114 // The DecayIt() method returns by pointer a particle-change object,
114 // which has information of daughter parti 115 // which has information of daughter particles.
115 116
116 // Set daughter polarization 117 // Set daughter polarization
117 // NO OPERATION in the base class of G4De 118 // NO OPERATION in the base class of G4Decay
118 virtual void DaughterPolarization(const G4 119 virtual void DaughterPolarization(const G4Track& aTrack,
119 G4DecayProducts* products); 120 G4DecayProducts* products);
120 121
121 public: 122 public:
122 virtual G4double AtRestGetPhysicalInteract 123 virtual G4double AtRestGetPhysicalInteractionLength(
123 const G4Track& tr 124 const G4Track& track,
124 G4ForceCondition* 125 G4ForceCondition* condition
125 ) override; << 126 );
126 127
127 virtual G4double PostStepGetPhysicalIntera 128 virtual G4double PostStepGetPhysicalInteractionLength(
128 const G4Track& tr 129 const G4Track& track,
129 G4double previo 130 G4double previousStepSize,
130 G4ForceCondition* 131 G4ForceCondition* condition
131 ) override; << 132 );
132 133
133 protected: // With Description 134 protected: // With Description
134 // GetMeanFreePath returns ctau*beta*gamma 135 // GetMeanFreePath returns ctau*beta*gamma for decay in flight
135 // GetMeanLifeTime returns ctau for decay 136 // GetMeanLifeTime returns ctau for decay at rest
136 virtual G4double GetMeanFreePath(const G4T 137 virtual G4double GetMeanFreePath(const G4Track& aTrack,
137 G4double previ 138 G4double previousStepSize,
138 G4ForceCondition 139 G4ForceCondition* condition
139 ) override; << 140 );
140 141
141 virtual G4double GetMeanLifeTime(const G4T 142 virtual G4double GetMeanLifeTime(const G4Track& aTrack,
142 G4ForceCondition 143 G4ForceCondition* condition
143 ) override; << 144 );
144 145
145 public: //With Description 146 public: //With Description
146 virtual void StartTracking(G4Track*) over << 147 virtual void StartTracking(G4Track*);
147 virtual void EndTracking() override; << 148 virtual void EndTracking();
148 // inform Start/End of tracking for each 149 // inform Start/End of tracking for each track to the physics process
149 150
150 public: //With Description 151 public: //With Description
151 void SetExtDecayer(G4VExtDecayer*); 152 void SetExtDecayer(G4VExtDecayer*);
152 const G4VExtDecayer* GetExtDecayer() cons 153 const G4VExtDecayer* GetExtDecayer() const;
153 // Set/Get External Decayer 154 // Set/Get External Decayer
154 155
155 G4double GetRemainderLifeTime() const; 156 G4double GetRemainderLifeTime() const;
156 //Get Remainder of life time at rest decay 157 //Get Remainder of life time at rest decay
157 158
158 virtual void ProcessDescription(std::ostre << 159 public:
159 // << 160 void SetVerboseLevel(G4int value);
>> 161 G4int GetVerboseLevel() const;
160 162
161 protected: 163 protected:
162 G4int verboseLevel; 164 G4int verboseLevel;
163 // controle flag for output message 165 // controle flag for output message
164 // 0: Silent 166 // 0: Silent
165 // 1: Warning message 167 // 1: Warning message
166 // 2: More 168 // 2: More
167 169
168 protected: 170 protected:
169 // HighestValue. 171 // HighestValue.
170 const G4double HighestValue; 172 const G4double HighestValue;
171 173
172 // Remainder of life time at rest 174 // Remainder of life time at rest
173 G4double fRemainderLifeTim 175 G4double fRemainderLifeTime;
174 176
175 // ParticleChange for decay process 177 // ParticleChange for decay process
176 G4ParticleChangeForDecay fParticleChangeFo 178 G4ParticleChangeForDecay fParticleChangeForDecay;
177 179
178 // External Decayer 180 // External Decayer
179 G4VExtDecayer* pExtDecayer; 181 G4VExtDecayer* pExtDecayer;
180 }; 182 };
>> 183
>> 184 inline
>> 185 void G4Decay::SetVerboseLevel(G4int value){ verboseLevel = value; }
>> 186
>> 187 inline
>> 188 G4int G4Decay::GetVerboseLevel() const { return verboseLevel; }
181 189
182 inline 190 inline
183 G4VParticleChange* G4Decay::AtRestDoIt( 191 G4VParticleChange* G4Decay::AtRestDoIt(
184 const G4Track& aTrack, 192 const G4Track& aTrack,
185 const G4Step& aStep 193 const G4Step& aStep
186 ) 194 )
187 { 195 {
188 return DecayIt(aTrack, aStep); 196 return DecayIt(aTrack, aStep);
189 } 197 }
190 198
191 199
192 inline 200 inline
193 const G4VExtDecayer* G4Decay::GetExtDecayer() 201 const G4VExtDecayer* G4Decay::GetExtDecayer() const
194 { 202 {
195 return pExtDecayer; 203 return pExtDecayer;
196 } 204 }
197 205
198 inline 206 inline
199 G4double G4Decay::GetRemainderLifeTime() cons 207 G4double G4Decay::GetRemainderLifeTime() const
200 { 208 {
201 return fRemainderLifeTime; 209 return fRemainderLifeTime;
202 } 210 }
203 211
204 #endif 212 #endif
205 213
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