Geant4  10.01
G4eeToHadronsMultiModel.hh
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26 // $Id: G4eeToHadronsMultiModel.hh 82961 2014-07-21 09:20:49Z gcosmo $
27 //
28 // -------------------------------------------------------------------
29 //
30 // GEANT4 Class header file
31 //
32 //
33 // File name: G4eeToHadronsMultiModel
34 //
35 // Author: Vladimir Ivanchenko
36 //
37 // Creation date: 18.05.2005
38 //
39 // Modifications:
40 //
41 
42 //
43 // Class Description: vector of e+e- -> hadrons models
44 //
45 
46 // -------------------------------------------------------------------
47 //
48 
49 #ifndef G4eeToHadronsMultiModel_h
50 #define G4eeToHadronsMultiModel_h 1
51 
52 #include "G4VEmModel.hh"
53 #include "G4eeToHadronsModel.hh"
55 #include "G4TrackStatus.hh"
56 #include "Randomize.hh"
57 #include "CLHEP/Units/SystemOfUnits.h"
58 #include "CLHEP/Units/PhysicalConstants.h"
59 #include <vector>
60 
61 class G4eeCrossSections;
62 class G4Vee2hadrons;
63 
65 {
66 
67 public:
68 
69  G4eeToHadronsMultiModel(G4int ver=0, const G4String& nam = "eeToHadrons");
70 
71  virtual ~G4eeToHadronsMultiModel();
72 
73  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
74 
76  const G4ParticleDefinition*,
77  G4double kineticEnergy,
78  G4double cutEnergy,
79  G4double maxEnergy);
80 
82  const G4ParticleDefinition*,
83  G4double kineticEnergy,
84  G4double Z, G4double A,
85  G4double cutEnergy = 0.0,
86  G4double maxEnergy = DBL_MAX);
87 
88  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
89  const G4MaterialCutsCouple*,
90  const G4DynamicParticle*,
91  G4double tmin = 0.0,
92  G4double maxEnergy = DBL_MAX);
93 
94  virtual void PrintInfo();
95 
96  // Set the factor to artificially increase the crossSection (default 1)
98 
100  const G4ParticleDefinition*,
101  G4double kineticEnergy,
102  G4double cutEnergy = 0.0,
103  G4double maxEnergy = DBL_MAX);
104 
105 private:
106 
107  void AddEEModel(G4Vee2hadrons*, const G4DataVector&);
108 
109  //change incident e+ kinetic energy into CM total energy(sum of e+ and e-)
110  inline G4double LabToCM(G4double);
111 
112  // hide assignment operator
115 
119 
120  std::vector<G4eeToHadronsModel*> models;
121 
122  std::vector<G4double> ekinMin;
123  std::vector<G4double> ekinPeak;
124  std::vector<G4double> ekinMax;
125  std::vector<G4double> cumSum;
126 
130 
134 };
135 
136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
137 
138 //change incident e+ kinetic energy into CM total energy(sum of e+ and e-)
140 {
141  G4double totE_CM = 0.0;
142  G4double mass = CLHEP::electron_mass_c2;
143  G4double totE_lab = kinE_lab + mass;
144  totE_CM = std::sqrt(2*mass*(mass+totE_lab));
145 
146  return totE_CM;
147 }
148 
150  const G4ParticleDefinition*,
151  G4double kineticEnergy,
153 {
154  G4double res = 0.0;
155 
156  G4double energy = LabToCM(kineticEnergy);
157 
158  if (energy > thKineticEnergy) {
159  for(G4int i=0; i<nModels; i++) {
160  if(energy >= ekinMin[i] && energy <= ekinMax[i]){
161  res += (models[i])->ComputeCrossSectionPerElectron(0,energy);
162  }
163  cumSum[i] = res;
164  }
165  }
166  return res*csFactor;
167 }
168 
169 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
170 
171 #endif
G4eeToHadronsMultiModel & operator=(const G4eeToHadronsMultiModel &right)
std::vector< G4double > ekinMax
int G4int
Definition: G4Types.hh:78
std::vector< G4double > ekinPeak
std::vector< G4eeToHadronsModel * > models
bool G4bool
Definition: G4Types.hh:79
std::vector< G4double > ekinMin
void AddEEModel(G4Vee2hadrons *, const G4DataVector &)
std::vector< G4double > cumSum
static const G4double A[nN]
G4double ComputeCrossSectionPerElectron(const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
G4ParticleChangeForGamma * fParticleChange
virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition *, G4double kineticEnergy, G4double Z, G4double A, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
G4eeToHadronsMultiModel(G4int ver=0, const G4String &nam="eeToHadrons")
virtual void Initialise(const G4ParticleDefinition *, const G4DataVector &)
G4double energy(const ThreeVector &p, const G4double m)
static const G4double fac
double G4double
Definition: G4Types.hh:76
#define DBL_MAX
Definition: templates.hh:83
virtual void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin=0.0, G4double maxEnergy=DBL_MAX)
void SetCrossSecFactor(G4double fac)
virtual G4double CrossSectionPerVolume(const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy)