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25 // 25 //
26 // 26 //
>> 27 // $Id$
27 // 28 //
28 // 29 //
29 // ------------------------------------------- 30 // ------------------------------------------------------------
30 // GEANT 4 class header file 31 // GEANT 4 class header file
31 // 32 //
32 // 33 //
33 #ifndef G4UnknownDecay_h 34 #ifndef G4UnknownDecay_h
34 #define G4UnknownDecay_h 1 35 #define G4UnknownDecay_h 1
35 36
36 #include <CLHEP/Units/PhysicalConstants.h> 37 #include <CLHEP/Units/PhysicalConstants.h>
37 38
38 #include "G4ios.hh" 39 #include "G4ios.hh"
39 #include "globals.hh" 40 #include "globals.hh"
40 #include "G4VDiscreteProcess.hh" 41 #include "G4VDiscreteProcess.hh"
41 #include "G4ParticleChangeForDecay.hh" 42 #include "G4ParticleChangeForDecay.hh"
42 43
43 class G4UnknownDecay : public G4VDiscreteProce 44 class G4UnknownDecay : public G4VDiscreteProcess
44 { 45 {
45 // Class Description 46 // Class Description
46 // This class is a decay process for "unkno 47 // This class is a decay process for "unknown" particle.
47 48
48 public: 49 public:
49 // Constructors 50 // Constructors
50 G4UnknownDecay(const G4String& processName 51 G4UnknownDecay(const G4String& processName ="UnknownDecay");
51 52
52 // Destructor 53 // Destructor
53 virtual ~G4UnknownDecay(); 54 virtual ~G4UnknownDecay();
54 55
55 private: 56 private:
56 // copy constructor 57 // copy constructor
57 G4UnknownDecay(const G4UnknownDecay &rig 58 G4UnknownDecay(const G4UnknownDecay &right);
58 59
59 // Assignment Operation (generated) 60 // Assignment Operation (generated)
60 G4UnknownDecay & operator=(const G4Unkno 61 G4UnknownDecay & operator=(const G4UnknownDecay &right);
61 62
62 public: //With Description 63 public: //With Description
63 64
64 virtual G4VParticleChange *PostStepDoIt( 65 virtual G4VParticleChange *PostStepDoIt(
65 const G4Track& aTrack, 66 const G4Track& aTrack,
66 const G4Step& aSt 67 const G4Step& aStep
67 ) override; << 68 );
68 69
69 virtual void BuildPhysicsTable(const G4Pa << 70 virtual void BuildPhysicsTable(const G4ParticleDefinition&);
70 // In G4UnknownDecay, thePhysicsTable sto 71 // In G4UnknownDecay, thePhysicsTable stores values of
71 // beta * std::sqrt( 1 - beta*beta) 72 // beta * std::sqrt( 1 - beta*beta)
72 // as a function of normalized kinetic en 73 // as a function of normalized kinetic enregy (=Ekin/mass),
73 // becasuse this table is universal for a 74 // becasuse this table is universal for all particle types,
74 75
75 76
76 virtual G4bool IsApplicable(const G4Partic << 77 virtual G4bool IsApplicable(const G4ParticleDefinition&);
77 // returns "true" if the decay process can 78 // returns "true" if the decay process can be applied to
78 // the particle type. 79 // the particle type.
79 80
80 virtual void ProcessDescription(std::ostre <<
81 // <<
82 <<
83 protected: // With Description 81 protected: // With Description
84 virtual G4VParticleChange* DecayIt( 82 virtual G4VParticleChange* DecayIt(
85 const G4Track& aTrack, 83 const G4Track& aTrack,
86 const G4Step& aStep 84 const G4Step& aStep
87 ) ; << 85 );
88 // The DecayIt() method returns by pointer 86 // The DecayIt() method returns by pointer a particle-change object,
89 // which has information of daughter parti 87 // which has information of daughter particles.
90 88
91 public: 89 public:
92 90
93 virtual G4double PostStepGetPhysicalIntera 91 virtual G4double PostStepGetPhysicalInteractionLength(
94 const G4Track& tr 92 const G4Track& track,
95 G4double previo 93 G4double previousStepSize,
96 G4ForceCondition* 94 G4ForceCondition* condition
97 ) override; << 95 );
98 96
99 97
100 protected: // With Description 98 protected: // With Description
101 // GetMeanFreePath returns ctau*beta*gamma 99 // GetMeanFreePath returns ctau*beta*gamma for decay in flight
102 virtual G4double GetMeanFreePath(const G4T 100 virtual G4double GetMeanFreePath(const G4Track& aTrack,
103 G4double previ 101 G4double previousStepSize,
104 G4ForceCondition 102 G4ForceCondition* condition
105 ) override; << 103 );
>> 104
>> 105 public:
>> 106 void SetVerboseLevel(G4int value);
>> 107 G4int GetVerboseLevel() const;
106 108
107 private: 109 private:
108 G4int verboseLevel; 110 G4int verboseLevel;
109 // controle flag for output message 111 // controle flag for output message
110 // 0: Silent 112 // 0: Silent
111 // 1: Warning message 113 // 1: Warning message
112 // 2: More 114 // 2: More
113 115
114 private: 116 private:
115 // HighestValue. 117 // HighestValue.
116 const G4double HighestValue; 118 const G4double HighestValue;
117 119
118 // ParticleChange for decay process 120 // ParticleChange for decay process
119 G4ParticleChangeForDecay fParticleChangeFo 121 G4ParticleChangeForDecay fParticleChangeForDecay;
120 122
121 }; 123 };
122 124
123 inline 125 inline
124 G4double G4UnknownDecay::PostStepGetPhysicalI 126 G4double G4UnknownDecay::PostStepGetPhysicalInteractionLength(
125 const G4Track& tr 127 const G4Track& track,
126 G4double /*prev 128 G4double /*previousStepSize*/,
127 G4ForceCondition* 129 G4ForceCondition* condition
128 ) 130 )
129 { 131 {
130 // pre-assigned UnknownDecay time 132 // pre-assigned UnknownDecay time
131 G4double pTime = track.GetDynamicParticle()- 133 G4double pTime = track.GetDynamicParticle()->GetPreAssignedDecayProperTime();
132 134
133 if (pTime < 0.) pTime = DBL_MIN; 135 if (pTime < 0.) pTime = DBL_MIN;
134 136
135 // condition is set to "Not Forced" 137 // condition is set to "Not Forced"
136 *condition = NotForced; 138 *condition = NotForced;
137 139
138 // reminder proper time 140 // reminder proper time
139 G4double remainder = pTime - track.GetProper 141 G4double remainder = pTime - track.GetProperTime();
140 if (remainder <= 0.0) remainder = DBL_MIN; 142 if (remainder <= 0.0) remainder = DBL_MIN;
141 143
142 // use pre-assigned Decay time to determine 144 // use pre-assigned Decay time to determine PIL
143 //return GetMeanFreePath(track, previousStep 145 //return GetMeanFreePath(track, previousStepSize, condition);
144 return remainder*CLHEP::c_light; 146 return remainder*CLHEP::c_light;
145 147
146 } 148 }
>> 149
>> 150 inline
>> 151 void G4UnknownDecay::SetVerboseLevel(G4int value){ verboseLevel = value; }
>> 152
>> 153 inline
>> 154 G4int G4UnknownDecay::GetVerboseLevel() const { return verboseLevel; }
147 155
148 inline 156 inline
149 G4VParticleChange* G4UnknownDecay::PostStepD 157 G4VParticleChange* G4UnknownDecay::PostStepDoIt(
150 const G4Track& aTrack, 158 const G4Track& aTrack,
151 const G4Step& aStep 159 const G4Step& aStep
152 ) 160 )
153 { 161 {
154 return DecayIt(aTrack, aStep); 162 return DecayIt(aTrack, aStep);
155 } 163 }
156 164
157 #endif 165 #endif
158 166
159 167
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168 176