| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
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 ) override;
68 69
69 virtual void BuildPhysicsTable(const G4Pa 70 virtual void BuildPhysicsTable(const G4ParticleDefinition&) override;
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&) override;
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 virtual void ProcessDescription(std::ostream& outFile) const override;
81 // 82 //
82 83
83 protected: // With Description 84 protected: // With Description
84 virtual G4VParticleChange* DecayIt( 85 virtual G4VParticleChange* DecayIt(
85 const G4Track& aTrack, 86 const G4Track& aTrack,
86 const G4Step& aStep 87 const G4Step& aStep
87 ) ; 88 ) ;
88 // The DecayIt() method returns by pointer 89 // The DecayIt() method returns by pointer a particle-change object,
89 // which has information of daughter parti 90 // which has information of daughter particles.
90 91
91 public: 92 public:
92 93
93 virtual G4double PostStepGetPhysicalIntera 94 virtual G4double PostStepGetPhysicalInteractionLength(
94 const G4Track& tr 95 const G4Track& track,
95 G4double previo 96 G4double previousStepSize,
96 G4ForceCondition* 97 G4ForceCondition* condition
97 ) override; 98 ) override;
98 99
99 100
100 protected: // With Description 101 protected: // With Description
101 // GetMeanFreePath returns ctau*beta*gamma 102 // GetMeanFreePath returns ctau*beta*gamma for decay in flight
102 virtual G4double GetMeanFreePath(const G4T 103 virtual G4double GetMeanFreePath(const G4Track& aTrack,
103 G4double previ 104 G4double previousStepSize,
104 G4ForceCondition 105 G4ForceCondition* condition
105 ) override; 106 ) override;
106 107
107 private: 108 private:
108 G4int verboseLevel; 109 G4int verboseLevel;
109 // controle flag for output message 110 // controle flag for output message
110 // 0: Silent 111 // 0: Silent
111 // 1: Warning message 112 // 1: Warning message
112 // 2: More 113 // 2: More
113 114
114 private: 115 private:
115 // HighestValue. 116 // HighestValue.
116 const G4double HighestValue; 117 const G4double HighestValue;
117 118
118 // ParticleChange for decay process 119 // ParticleChange for decay process
119 G4ParticleChangeForDecay fParticleChangeFo 120 G4ParticleChangeForDecay fParticleChangeForDecay;
120 121
121 }; 122 };
122 123
123 inline 124 inline
124 G4double G4UnknownDecay::PostStepGetPhysicalI 125 G4double G4UnknownDecay::PostStepGetPhysicalInteractionLength(
125 const G4Track& tr 126 const G4Track& track,
126 G4double /*prev 127 G4double /*previousStepSize*/,
127 G4ForceCondition* 128 G4ForceCondition* condition
128 ) 129 )
129 { 130 {
130 // pre-assigned UnknownDecay time 131 // pre-assigned UnknownDecay time
131 G4double pTime = track.GetDynamicParticle()- 132 G4double pTime = track.GetDynamicParticle()->GetPreAssignedDecayProperTime();
132 133
133 if (pTime < 0.) pTime = DBL_MIN; 134 if (pTime < 0.) pTime = DBL_MIN;
134 135
135 // condition is set to "Not Forced" 136 // condition is set to "Not Forced"
136 *condition = NotForced; 137 *condition = NotForced;
137 138
138 // reminder proper time 139 // reminder proper time
139 G4double remainder = pTime - track.GetProper 140 G4double remainder = pTime - track.GetProperTime();
140 if (remainder <= 0.0) remainder = DBL_MIN; 141 if (remainder <= 0.0) remainder = DBL_MIN;
141 142
142 // use pre-assigned Decay time to determine 143 // use pre-assigned Decay time to determine PIL
143 //return GetMeanFreePath(track, previousStep 144 //return GetMeanFreePath(track, previousStepSize, condition);
144 return remainder*CLHEP::c_light; 145 return remainder*CLHEP::c_light;
145 146
146 } 147 }
147 148
148 inline 149 inline
149 G4VParticleChange* G4UnknownDecay::PostStepD 150 G4VParticleChange* G4UnknownDecay::PostStepDoIt(
150 const G4Track& aTrack, 151 const G4Track& aTrack,
151 const G4Step& aStep 152 const G4Step& aStep
152 ) 153 )
153 { 154 {
154 return DecayIt(aTrack, aStep); 155 return DecayIt(aTrack, aStep);
155 } 156 }
156 157
157 #endif 158 #endif
158 159
159 160
160 161
161 162
162 163
163 164
164 165
165 166
166 167
167 168
168 169