Geant4_10
G4BetheBlochModel.hh
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26 // $Id: G4BetheBlochModel.hh 72939 2013-08-14 13:25:36Z gcosmo $
27 //
28 // -------------------------------------------------------------------
29 //
30 // GEANT4 Class header file
31 //
32 //
33 // File name: G4BetheBlochModel
34 //
35 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
36 //
37 // Creation date: 03.01.2002
38 //
39 // Modifications:
40 //
41 // 23-12-02 V.Ivanchenko change interface in order to moveto cut per region
42 // 24-01-03 Make models region aware (V.Ivanchenko)
43 // 13-02-03 Add name (V.Ivanchenko)
44 // 12-11-03 Fix for GenericIons (V.Ivanchenko)
45 // 24-03-05 Add G4EmCorrections (V.Ivanchenko)
46 // 11-04-05 Major optimisation of internal interfaces (V.Ivanchenko)
47 // 11-04-04 Move MaxSecondaryEnergy to models (V.Ivanchenko)
48 // 11-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
49 // 12-08-08 Added methods GetParticleCharge, GetChargeSquareRatio,
50 // CorrectionsAlongStep needed for ions(V.Ivanchenko)
51 
52 //
53 // Class Description:
54 //
55 // Implementation of Bethe-Bloch model of energy loss and
56 // delta-electron production by heavy charged particles
57 
58 // -------------------------------------------------------------------
59 //
60 
61 #ifndef G4BetheBlochModel_h
62 #define G4BetheBlochModel_h 1
63 
65 
66 #include "G4VEmModel.hh"
67 #include "G4NistManager.hh"
68 
69 class G4EmCorrections;
71 
73 {
74 
75 public:
76 
78  const G4String& nam = "BetheBloch");
79 
80  virtual ~G4BetheBlochModel();
81 
82  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
83 
85  const G4MaterialCutsCouple* couple);
86 
88  const G4ParticleDefinition*,
89  G4double kineticEnergy,
90  G4double cutEnergy,
91  G4double maxEnergy);
92 
94  const G4ParticleDefinition*,
95  G4double kineticEnergy,
96  G4double Z, G4double A,
97  G4double cutEnergy,
98  G4double maxEnergy);
99 
101  const G4ParticleDefinition*,
102  G4double kineticEnergy,
103  G4double cutEnergy,
104  G4double maxEnergy);
105 
107  const G4ParticleDefinition*,
108  G4double kineticEnergy,
109  G4double cutEnergy);
110 
112  const G4Material* mat,
113  G4double kineticEnergy);
114 
116  const G4Material* mat,
117  G4double kineticEnergy);
118 
119  virtual void CorrectionsAlongStep(const G4MaterialCutsCouple* couple,
120  const G4DynamicParticle* dp,
121  G4double& eloss,
122  G4double&,
123  G4double length);
124 
125  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
126  const G4MaterialCutsCouple*,
127  const G4DynamicParticle*,
128  G4double tmin,
129  G4double maxEnergy);
130 
131 protected:
132 
134  G4double kinEnergy);
135 
136  inline G4double GetChargeSquareRatio() const;
137 
138  inline void SetChargeSquareRatio(G4double val);
139 
140 private:
141 
142  void SetupParameters();
143 
144  inline void SetParticle(const G4ParticleDefinition* p);
145 
146  inline void SetGenericIon(const G4ParticleDefinition* p);
147 
148  // hide assignment operator
149  G4BetheBlochModel & operator=(const G4BetheBlochModel &right);
151 
152  const G4ParticleDefinition* particle;
153  G4ParticleDefinition* theElectron;
154  G4EmCorrections* corr;
155  G4ParticleChangeForLoss* fParticleChange;
156  G4NistManager* nist;
157 
158  G4double mass;
159  G4double tlimit;
160  G4double spin;
161  G4double magMoment2;
162  G4double chargeSquare;
163  G4double ratio;
164  G4double formfact;
165  G4double twoln10;
166  G4double bg2lim;
167  G4double taulim;
168  G4double corrFactor;
169  G4bool isIon;
170  G4bool isInitialised;
171 };
172 
173 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
174 
175 inline void G4BetheBlochModel::SetParticle(const G4ParticleDefinition* p)
176 {
177  if(particle != p) {
178  particle = p;
179  if(p->GetBaryonNumber() > 3 || p->GetPDGCharge() > 1.5*CLHEP::eplus)
180  { isIon = true; }
181  SetupParameters();
182  }
183 }
184 
185 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
186 
187 inline void G4BetheBlochModel::SetGenericIon(const G4ParticleDefinition* p)
188 {
189  if(p && particle != p) {
190  if(p->GetParticleName() == "GenericIon") { isIon = true; }
191  }
192 }
193 
194 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
195 
197 {
198  return chargeSquare;
199 }
200 
201 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
202 
204 {
205  chargeSquare = val;
206 }
207 
208 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
209 
210 #endif
virtual G4double CrossSectionPerVolume(const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy)
void SetChargeSquareRatio(G4double val)
virtual G4double ComputeDEDXPerVolume(const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy)
const char * p
Definition: xmltok.h:285
const G4String & GetParticleName() const
virtual G4double MaxSecondaryEnergy(const G4ParticleDefinition *, G4double kinEnergy)
virtual G4double MinEnergyCut(const G4ParticleDefinition *, const G4MaterialCutsCouple *couple)
Float_t mat
Definition: plot.C:40
G4BetheBlochModel(const G4ParticleDefinition *p=0, const G4String &nam="BetheBloch")
virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition *, G4double kineticEnergy, G4double Z, G4double A, G4double cutEnergy, G4double maxEnergy)
virtual G4double GetParticleCharge(const G4ParticleDefinition *p, const G4Material *mat, G4double kineticEnergy)
Float_t Z
Definition: plot.C:39
bool G4bool
Definition: G4Types.hh:79
virtual void Initialise(const G4ParticleDefinition *, const G4DataVector &)
virtual void CorrectionsAlongStep(const G4MaterialCutsCouple *couple, const G4DynamicParticle *dp, G4double &eloss, G4double &, G4double length)
virtual void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy)
virtual G4double ComputeCrossSectionPerElectron(const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy)
double G4double
Definition: G4Types.hh:76
G4double GetChargeSquareRatio() const
G4double GetPDGCharge() const