Geant4  10.01
G4IonCoulombCrossSection.hh
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26 // G4IonCoulombCrossSection.hh
27 //-------------------------------------------------------------------
28 //
29 // GEANT4 Class header file
30 //
31 // File name: G4IonCoulombCrossSection
32 //
33 // Author: Cristina Consolandi
34 //
35 // Creation date: 05.10.2010 from G4eCoulombScatteringModel
36 //
37 // Class Description:
38 // Computation of Screen-Coulomb Cross Section
39 // for protons, alpha and heavy Ions
40 //
41 //
42 // Reference:
43 // M.J. Boschini et al. "Nuclear and Non-Ionizing Energy-Loss
44 // for Coulomb Scattered Particles from Low Energy up to Relativistic
45 // Regime in Space Radiation Environment"
46 // Accepted for publication in the Proceedings of the ICATPP Conference
47 // on Cosmic Rays for Particle and Astroparticle Physics, Villa Olmo, 7-8
48 // October, 2010, to be published by World Scientific (Singapore).
49 //
50 // Available for downloading at:
51 // http://arxiv.org/abs/1011.4822
52 //
53 // -------------------------------------------------------------------
54 
55 //
56 #ifndef G4IonCoulombCrossSection_h
57 #define G4IonCoulombCrossSection_h 1
58 
59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60 
61 #include <CLHEP/Units/SystemOfUnits.h>
62 
63 #include "globals.hh"
64 #include "G4NistManager.hh"
65 #include "G4ParticleDefinition.hh"
66 
67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
68 
70 {
71 public:
72 
74 
75  virtual ~G4IonCoulombCrossSection();
76 
77  void Initialise(const G4ParticleDefinition*, G4double cosThetaLim);
78 
80 
82 
83  void SetupKinematic(G4double kinEnergy, G4double cut, G4double tmass);
84 
85  void SetupTarget(G4double Z, G4double kinEnergy, G4int heavycorr);
86 
87  inline void SetupParticle(const G4ParticleDefinition*);
88 
89  inline G4double GetMomentum2();
90 
91 private:
92 
94 
97 
99 
101 
103 
104  //cost - min - max
106  G4double cosThetaMax;// def -1.0
107  //SetupTarget
108  G4double cosTetMinNuc;// -->cosThetaMin
109  G4double cosTetMaxNuc;// -->cosThetaMax
110 
111  //cross section
113 
114  //energy cut
117 
118  // projectile........................
120 
124 
125  //lab of incedent particle
129 
130  //relative system with nucleus
134 
135  // target nucleus
141 };
142 
143 
144 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
145 
146 inline
148 {
149  particle = p;
150  mass = particle->GetPDGMass();
151  spin = particle->GetPDGSpin();
152  if(0.0 != spin) { spin = 0.5; }
153  G4double q = std::fabs(particle->GetPDGCharge()/CLHEP::eplus);
154  chargeSquare = q*q;
155  tkin = 0.0;
156 }
157 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
158 
160 {
161  return mom2;
162 }
163 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
164 
165 #endif
166 
167 
void SetupTarget(G4double Z, G4double kinEnergy, G4int heavycorr)
const G4ParticleDefinition * theProton
int G4int
Definition: G4Types.hh:78
const G4ParticleDefinition * particle
G4IonCoulombCrossSection & operator=(const G4IonCoulombCrossSection &right)
void SetupParticle(const G4ParticleDefinition *)
G4double iz
Definition: TRTMaterials.hh:39
G4double GetPDGMass() const
G4double GetPDGSpin() const
void SetupKinematic(G4double kinEnergy, G4double cut, G4double tmass)
double G4double
Definition: G4Types.hh:76
static const double eplus
Definition: G4SIunits.hh:178
G4double GetPDGCharge() const
void Initialise(const G4ParticleDefinition *, G4double cosThetaLim)