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 | // |
---|
28 | // original by H.P. Wellisch |
---|
29 | // modified by J.L. Chuma, TRIUMF, 19-Nov-1996 |
---|
30 | // last modified: 27-Mar-1997 |
---|
31 | // Chr. Volcker, 10-Nov-1997: new methods and class variables. |
---|
32 | // M.G. Pia, 2 Oct 1998: modified GetFermiMomentum (original design was |
---|
33 | // the source of memory leaks) |
---|
34 | |
---|
35 | #ifndef G4Nucleus_h |
---|
36 | #define G4Nucleus_h 1 |
---|
37 | // Class Description |
---|
38 | // This class knows how to describe a nucleus; |
---|
39 | // to be used in your physics implementation (not physics list) in case you need this physics. |
---|
40 | // Class Description - End |
---|
41 | |
---|
42 | |
---|
43 | #include "globals.hh" |
---|
44 | #include "G4ThreeVector.hh" |
---|
45 | #include "G4ParticleTypes.hh" |
---|
46 | #include "G4ReactionProduct.hh" |
---|
47 | #include "G4DynamicParticle.hh" |
---|
48 | #include "G4ReactionProductVector.hh" |
---|
49 | #include "Randomize.hh" |
---|
50 | |
---|
51 | class G4Nucleus |
---|
52 | { |
---|
53 | public: |
---|
54 | |
---|
55 | G4Nucleus(); |
---|
56 | |
---|
57 | G4Nucleus( const G4double A, const G4double Z ); |
---|
58 | |
---|
59 | G4Nucleus( const G4Material *aMaterial ); |
---|
60 | |
---|
61 | ~G4Nucleus(); |
---|
62 | |
---|
63 | inline G4Nucleus( const G4Nucleus &right ) |
---|
64 | { *this = right; } |
---|
65 | |
---|
66 | inline G4Nucleus & operator=( const G4Nucleus &right ) |
---|
67 | { |
---|
68 | if( this != &right ) |
---|
69 | { |
---|
70 | aEff=right.aEff; |
---|
71 | zEff=right.zEff; |
---|
72 | pnBlackTrackEnergy=right.pnBlackTrackEnergy; |
---|
73 | dtaBlackTrackEnergy=right.dtaBlackTrackEnergy; |
---|
74 | theTemp = right.theTemp; |
---|
75 | excitationEnergy = right.excitationEnergy; |
---|
76 | momentum = right.momentum; |
---|
77 | fermiMomentum = right.fermiMomentum; |
---|
78 | } |
---|
79 | return *this; |
---|
80 | } |
---|
81 | |
---|
82 | inline G4bool operator==( const G4Nucleus &right ) const |
---|
83 | { return ( this == (G4Nucleus *) &right ); } |
---|
84 | |
---|
85 | inline G4bool operator!=( const G4Nucleus &right ) const |
---|
86 | { return ( this != (G4Nucleus *) &right ); } |
---|
87 | |
---|
88 | void ChooseParameters( const G4Material *aMaterial ); |
---|
89 | |
---|
90 | void SetParameters( const G4double A, const G4double Z ); |
---|
91 | |
---|
92 | inline G4double GetN() const |
---|
93 | { return aEff; } |
---|
94 | |
---|
95 | inline G4double GetZ() const |
---|
96 | { return zEff; } |
---|
97 | |
---|
98 | G4DynamicParticle *ReturnTargetParticle() const; |
---|
99 | |
---|
100 | G4double AtomicMass( const G4double A, const G4double Z ) const; |
---|
101 | |
---|
102 | G4double GetThermalPz( const G4double mass, const G4double temp ) const; |
---|
103 | |
---|
104 | G4ReactionProduct GetThermalNucleus(G4double aMass, G4double temp=-1) const; |
---|
105 | |
---|
106 | G4ReactionProduct GetBiasedThermalNucleus(G4double aMass, G4ThreeVector aVelocity, G4double temp=-1) const; |
---|
107 | |
---|
108 | G4double Cinema( G4double kineticEnergy ); |
---|
109 | |
---|
110 | G4double EvaporationEffects( G4double kineticEnergy ); |
---|
111 | |
---|
112 | G4double AnnihilationEvaporationEffects(G4double kineticEnergy, G4double ekOrg); |
---|
113 | |
---|
114 | inline G4double GetPNBlackTrackEnergy() const |
---|
115 | { return pnBlackTrackEnergy; } |
---|
116 | |
---|
117 | inline G4double GetDTABlackTrackEnergy() const |
---|
118 | { return dtaBlackTrackEnergy; } |
---|
119 | |
---|
120 | inline G4double GetAnnihilationPNBlackTrackEnergy() const |
---|
121 | { return pnBlackTrackEnergyfromAnnihilation; } |
---|
122 | |
---|
123 | inline G4double GetAnnihilationDTABlackTrackEnergy() const |
---|
124 | { return dtaBlackTrackEnergyfromAnnihilation; } |
---|
125 | |
---|
126 | // ****************** methods introduced by ChV *********************** |
---|
127 | // return fermi momentum |
---|
128 | G4ThreeVector GetFermiMomentum(); |
---|
129 | |
---|
130 | /* |
---|
131 | // return particle to be absorbed. |
---|
132 | G4DynamicParticle* ReturnAbsorbingParticle(G4double weight); |
---|
133 | */ |
---|
134 | |
---|
135 | // final nucleus fragmentation. Return List of particles |
---|
136 | // which should be used for further tracking. |
---|
137 | G4ReactionProductVector* Fragmentate(); |
---|
138 | |
---|
139 | |
---|
140 | // excitation Energy... |
---|
141 | void AddExcitationEnergy(G4double anEnergy); |
---|
142 | |
---|
143 | |
---|
144 | // momentum of absorbed Particles .. |
---|
145 | void AddMomentum(const G4ThreeVector aMomentum); |
---|
146 | |
---|
147 | // return excitation Energy |
---|
148 | G4double GetEnergyDeposit() {return excitationEnergy; } |
---|
149 | |
---|
150 | |
---|
151 | |
---|
152 | // ****************************** end ChV ****************************** |
---|
153 | |
---|
154 | |
---|
155 | private: |
---|
156 | |
---|
157 | G4double aEff; // effective atomic weight |
---|
158 | G4double zEff; // effective atomic number |
---|
159 | |
---|
160 | G4double pnBlackTrackEnergy; // the kinetic energy available for |
---|
161 | // proton/neutron black track particles |
---|
162 | G4double dtaBlackTrackEnergy; // the kinetic energy available for |
---|
163 | // deuteron/triton/alpha particles |
---|
164 | G4double pnBlackTrackEnergyfromAnnihilation; |
---|
165 | // kinetic energy available for proton/neutron black |
---|
166 | // track particles based on baryon annihilation |
---|
167 | G4double dtaBlackTrackEnergyfromAnnihilation; |
---|
168 | // kinetic energy available for deuteron/triton/alpha |
---|
169 | // black track particles based on baryon annihilation |
---|
170 | |
---|
171 | |
---|
172 | // ************************** member variables by ChV ******************* |
---|
173 | // Excitation Energy leading to evaporation or deexcitation. |
---|
174 | G4double excitationEnergy; |
---|
175 | |
---|
176 | // Momentum, accumulated by absorbing Particles |
---|
177 | G4ThreeVector momentum; |
---|
178 | |
---|
179 | // Fermi Gas model: at present, we assume constant nucleon density for all |
---|
180 | // nuclei. The radius of a nucleon is taken to be 1 fm. |
---|
181 | // see for example S.Fl"ugge, Encyclopedia of Physics, Vol XXXIX, |
---|
182 | // Structure of Atomic Nuclei (Berlin-Gottingen-Heidelberg, 1957) page 426. |
---|
183 | |
---|
184 | // maximum momentum possible from fermi gas model: |
---|
185 | G4double fermiMomentum; |
---|
186 | G4double theTemp; // temperature |
---|
187 | // ****************************** end ChV ****************************** |
---|
188 | |
---|
189 | }; |
---|
190 | |
---|
191 | #endif |
---|
192 | |
---|