Geant4  9.6.p02
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4UnknownDecay.hh
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 // $Id$
28 //
29 //
30 // ------------------------------------------------------------
31 // GEANT 4 class header file
32 //
33 //
34 #ifndef G4UnknownDecay_h
35 #define G4UnknownDecay_h 1
36 
38 
39 #include "G4ios.hh"
40 #include "globals.hh"
41 #include "G4VDiscreteProcess.hh"
43 
45 {
46  // Class Description
47  // This class is a decay process for "unknown" particle.
48 
49  public:
50  // Constructors
51  G4UnknownDecay(const G4String& processName ="UnknownDecay");
52 
53  // Destructor
54  virtual ~G4UnknownDecay();
55 
56  private:
57  // copy constructor
59 
60  // Assignment Operation (generated)
61  G4UnknownDecay & operator=(const G4UnknownDecay &right);
62 
63  public: //With Description
64 
66  const G4Track& aTrack,
67  const G4Step& aStep
68  );
69 
70  virtual void BuildPhysicsTable(const G4ParticleDefinition&);
71  // In G4UnknownDecay, thePhysicsTable stores values of
72  // beta * std::sqrt( 1 - beta*beta)
73  // as a function of normalized kinetic enregy (=Ekin/mass),
74  // becasuse this table is universal for all particle types,
75 
76 
78  // returns "true" if the decay process can be applied to
79  // the particle type.
80 
81  protected: // With Description
82  virtual G4VParticleChange* DecayIt(
83  const G4Track& aTrack,
84  const G4Step& aStep
85  );
86  // The DecayIt() method returns by pointer a particle-change object,
87  // which has information of daughter particles.
88 
89  public:
90 
92  const G4Track& track,
93  G4double previousStepSize,
95  );
96 
97 
98  protected: // With Description
99  // GetMeanFreePath returns ctau*beta*gamma for decay in flight
100  virtual G4double GetMeanFreePath(const G4Track& aTrack,
101  G4double previousStepSize,
102  G4ForceCondition* condition
103  );
104 
105  public:
107  G4int GetVerboseLevel() const;
108 
109  private:
110  G4int verboseLevel;
111  // controle flag for output message
112  // 0: Silent
113  // 1: Warning message
114  // 2: More
115 
116  private:
117  // HighestValue.
118  const G4double HighestValue;
119 
120  // ParticleChange for decay process
121  G4ParticleChangeForDecay fParticleChangeForDecay;
122 
123 };
124 
125 inline
127  const G4Track& track,
128  G4double /*previousStepSize*/,
130  )
131 {
132  // pre-assigned UnknownDecay time
134 
135  if (pTime < 0.) pTime = DBL_MIN;
136 
137  // condition is set to "Not Forced"
138  *condition = NotForced;
139 
140  // reminder proper time
141  G4double remainder = pTime - track.GetProperTime();
142  if (remainder <= 0.0) remainder = DBL_MIN;
143 
144  // use pre-assigned Decay time to determine PIL
145  //return GetMeanFreePath(track, previousStepSize, condition);
146  return remainder*CLHEP::c_light;
147 
148 }
149 
150 inline
152 
153 inline
154  G4int G4UnknownDecay::GetVerboseLevel() const { return verboseLevel; }
155 
156 inline
158  const G4Track& aTrack,
159  const G4Step& aStep
160  )
161 {
162  return DecayIt(aTrack, aStep);
163 }
164 
165 #endif
166 
167 
168 
169 
170 
171 
172 
173 
174 
175