Geant4  10.00.p01
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 "G4Material.hh"
65 #include "G4Element.hh"
66 #include "G4ElementVector.hh"
67 #include "G4NistManager.hh"
68 #include "G4ThreeVector.hh"
69 #include "G4Pow.hh"
70 #include "G4LossTableManager.hh"
71 
73 
74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
75 
77 {
78 
79 public:
80 
82 
83  virtual ~G4IonCoulombCrossSection();
84 
85  void Initialise(const G4ParticleDefinition*, G4double cosThetaLim);
86 
88 
90 
91  inline void SetupParticle(const G4ParticleDefinition*);
92 
93  void SetupKinematic(G4double kinEnergy, G4double cut,G4int iz);
94 
95  void SetupTarget(G4double Z, G4double kinEnergy,G4int heavycorr);
96 
97  inline G4double GetMomentum2();
98 
99 private:
100  void SetScreenRSquare(G4int iz);
101 
102 
105 
106 
107 
109 
111 
112 protected:
114 
115  //cost - min - max
117  G4double cosThetaMax;// def -1.0
118 
119  //SetupTarget
120  G4double cosTetMinNuc;// -->cosThetaMin
121  G4double cosTetMaxNuc;// -->cosThetaMax
122 
123 
124  //cross section
126 
127  //energy cut
130 
131  // projectile........................
133 
137 
138  //lab of incedent particle
142 
143  //relative system with nucleus
147 
148  // target nucleus
152 
153 
154 private:
155 
158 
159 };
160 
161 
162 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
163 
165 {
166  particle = p;
167  mass = particle->GetPDGMass();
168  spin = particle->GetPDGSpin();
169  if(0.0 != spin) { spin = 0.5; }
170  G4double q = std::fabs(particle->GetPDGCharge()/CLHEP::eplus);
171  chargeSquare = q*q;
172  tkin = 0.0;
173 }
174 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
175 
176 
178  return mom2;
179 }
180 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
181 
182 #endif
183 
184 
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
double G4double
Definition: G4Types.hh:76
static const double eplus
Definition: G4SIunits.hh:178
G4double GetPDGCharge() const
void Initialise(const G4ParticleDefinition *, G4double cosThetaLim)
void SetupKinematic(G4double kinEnergy, G4double cut, G4int iz)