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25 // 22 //
26 // 23 //
>> 24 // $Id: G4UnknownDecay.hh,v 1.2 2004/12/02 07:06:30 kurasige Exp $
>> 25 // GEANT4 tag $Name: geant4-08-00-patch-01 $
27 // 26 //
28 // 27 //
29 // ------------------------------------------- 28 // ------------------------------------------------------------
30 // GEANT 4 class header file 29 // GEANT 4 class header file
31 // 30 //
32 // 31 //
33 #ifndef G4UnknownDecay_h 32 #ifndef G4UnknownDecay_h
34 #define G4UnknownDecay_h 1 33 #define G4UnknownDecay_h 1
35 34
36 #include <CLHEP/Units/PhysicalConstants.h> <<
37 <<
38 #include "G4ios.hh" 35 #include "G4ios.hh"
39 #include "globals.hh" 36 #include "globals.hh"
40 #include "G4VDiscreteProcess.hh" 37 #include "G4VDiscreteProcess.hh"
41 #include "G4ParticleChangeForDecay.hh" 38 #include "G4ParticleChangeForDecay.hh"
42 39
43 class G4UnknownDecay : public G4VDiscreteProce 40 class G4UnknownDecay : public G4VDiscreteProcess
44 { 41 {
45 // Class Description 42 // Class Description
46 // This class is a decay process for "unkno 43 // This class is a decay process for "unknown" particle.
47 44
48 public: 45 public:
49 // Constructors 46 // Constructors
50 G4UnknownDecay(const G4String& processName 47 G4UnknownDecay(const G4String& processName ="UnknownDecay");
51 48
52 // Destructor 49 // Destructor
53 virtual ~G4UnknownDecay(); 50 virtual ~G4UnknownDecay();
54 51
55 private: 52 private:
56 // copy constructor 53 // copy constructor
57 G4UnknownDecay(const G4UnknownDecay &rig 54 G4UnknownDecay(const G4UnknownDecay &right);
58 55
59 // Assignment Operation (generated) 56 // Assignment Operation (generated)
60 G4UnknownDecay & operator=(const G4Unkno 57 G4UnknownDecay & operator=(const G4UnknownDecay &right);
61 58
62 public: //With Description 59 public: //With Description
63 60
64 virtual G4VParticleChange *PostStepDoIt( 61 virtual G4VParticleChange *PostStepDoIt(
65 const G4Track& aTrack, 62 const G4Track& aTrack,
66 const G4Step& aSt 63 const G4Step& aStep
67 ) override; << 64 );
68 65
69 virtual void BuildPhysicsTable(const G4Pa << 66 virtual void BuildPhysicsTable(const G4ParticleDefinition&);
70 // In G4UnknownDecay, thePhysicsTable sto 67 // In G4UnknownDecay, thePhysicsTable stores values of
71 // beta * std::sqrt( 1 - beta*beta) 68 // beta * std::sqrt( 1 - beta*beta)
72 // as a function of normalized kinetic en 69 // as a function of normalized kinetic enregy (=Ekin/mass),
73 // becasuse this table is universal for a 70 // becasuse this table is universal for all particle types,
74 71
75 72
76 virtual G4bool IsApplicable(const G4Partic << 73 virtual G4bool IsApplicable(const G4ParticleDefinition&);
77 // returns "true" if the decay process can 74 // returns "true" if the decay process can be applied to
78 // the particle type. 75 // the particle type.
79 76
80 virtual void ProcessDescription(std::ostre <<
81 // <<
82 <<
83 protected: // With Description 77 protected: // With Description
84 virtual G4VParticleChange* DecayIt( 78 virtual G4VParticleChange* DecayIt(
85 const G4Track& aTrack, 79 const G4Track& aTrack,
86 const G4Step& aStep 80 const G4Step& aStep
87 ) ; << 81 );
88 // The DecayIt() method returns by pointer 82 // The DecayIt() method returns by pointer a particle-change object,
89 // which has information of daughter parti 83 // which has information of daughter particles.
90 84
91 public: 85 public:
92 86
93 virtual G4double PostStepGetPhysicalIntera 87 virtual G4double PostStepGetPhysicalInteractionLength(
94 const G4Track& tr 88 const G4Track& track,
95 G4double previo 89 G4double previousStepSize,
96 G4ForceCondition* 90 G4ForceCondition* condition
97 ) override; << 91 );
98 92
99 93
100 protected: // With Description 94 protected: // With Description
101 // GetMeanFreePath returns ctau*beta*gamma 95 // GetMeanFreePath returns ctau*beta*gamma for decay in flight
102 virtual G4double GetMeanFreePath(const G4T 96 virtual G4double GetMeanFreePath(const G4Track& aTrack,
103 G4double previ 97 G4double previousStepSize,
104 G4ForceCondition 98 G4ForceCondition* condition
105 ) override; << 99 );
>> 100
>> 101 public:
>> 102 void SetVerboseLevel(G4int value);
>> 103 G4int GetVerboseLevel() const;
106 104
107 private: 105 private:
108 G4int verboseLevel; 106 G4int verboseLevel;
109 // controle flag for output message 107 // controle flag for output message
110 // 0: Silent 108 // 0: Silent
111 // 1: Warning message 109 // 1: Warning message
112 // 2: More 110 // 2: More
113 111
114 private: 112 private:
115 // HighestValue. 113 // HighestValue.
116 const G4double HighestValue; 114 const G4double HighestValue;
117 115
118 // ParticleChange for decay process 116 // ParticleChange for decay process
119 G4ParticleChangeForDecay fParticleChangeFo 117 G4ParticleChangeForDecay fParticleChangeForDecay;
120 118
121 }; 119 };
122 120
123 inline 121 inline
124 G4double G4UnknownDecay::PostStepGetPhysicalI 122 G4double G4UnknownDecay::PostStepGetPhysicalInteractionLength(
125 const G4Track& tr 123 const G4Track& track,
126 G4double /*prev 124 G4double /*previousStepSize*/,
127 G4ForceCondition* 125 G4ForceCondition* condition
128 ) 126 )
129 { 127 {
130 // pre-assigned UnknownDecay time 128 // pre-assigned UnknownDecay time
131 G4double pTime = track.GetDynamicParticle()- 129 G4double pTime = track.GetDynamicParticle()->GetPreAssignedDecayProperTime();
132 130
133 if (pTime < 0.) pTime = DBL_MIN; 131 if (pTime < 0.) pTime = DBL_MIN;
134 132
135 // condition is set to "Not Forced" 133 // condition is set to "Not Forced"
136 *condition = NotForced; 134 *condition = NotForced;
137 135
138 // reminder proper time 136 // reminder proper time
139 G4double remainder = pTime - track.GetProper 137 G4double remainder = pTime - track.GetProperTime();
140 if (remainder <= 0.0) remainder = DBL_MIN; 138 if (remainder <= 0.0) remainder = DBL_MIN;
141 139
142 // use pre-assigned Decay time to determine 140 // use pre-assigned Decay time to determine PIL
143 //return GetMeanFreePath(track, previousStep 141 //return GetMeanFreePath(track, previousStepSize, condition);
144 return remainder*CLHEP::c_light; << 142 return remainder*c_light;
145 143
146 } 144 }
>> 145
>> 146 inline
>> 147 void G4UnknownDecay::SetVerboseLevel(G4int value){ verboseLevel = value; }
>> 148
>> 149 inline
>> 150 G4int G4UnknownDecay::GetVerboseLevel() const { return verboseLevel; }
147 151
148 inline 152 inline
149 G4VParticleChange* G4UnknownDecay::PostStepD 153 G4VParticleChange* G4UnknownDecay::PostStepDoIt(
150 const G4Track& aTrack, 154 const G4Track& aTrack,
151 const G4Step& aStep 155 const G4Step& aStep
152 ) 156 )
153 { 157 {
154 return DecayIt(aTrack, aStep); 158 return DecayIt(aTrack, aStep);
155 } 159 }
156 160
157 #endif 161 #endif
158 162
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168 172