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Geant4/processes/electromagnetic/standard/include/G4IonCoulombCrossSection.hh

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Differences between /processes/electromagnetic/standard/include/G4IonCoulombCrossSection.hh (Version 11.3.0) and /processes/electromagnetic/standard/include/G4IonCoulombCrossSection.hh (Version 10.2.p3)


  1 //                                                  1 //
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 10 // *                                               10 // *                                                                  *
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 15 // * use.  Please see the license in the file      15 // * use.  Please see the license in the file  LICENSE  and URL above *
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 24 // *******************************************     24 // ********************************************************************
 25 //                                                 25 //
 26 //  G4IonCoulombCrossSection.hh                    26 //  G4IonCoulombCrossSection.hh
 27 //--------------------------------------------     27 //-------------------------------------------------------------------
 28 //                                                 28 //
 29 // GEANT4 Class header file                        29 // GEANT4 Class header file
 30 //                                                 30 //
 31 // File name:    G4IonCoulombCrossSection          31 // File name:    G4IonCoulombCrossSection
 32 //                                                 32 //
 33 // Author:      Cristina Consolandi                33 // Author:      Cristina Consolandi
 34 //                                                 34 //
 35 // Creation date: 05.10.2010 from G4eCoulombSc     35 // Creation date: 05.10.2010 from G4eCoulombScatteringModel
 36 //                                                 36 //
 37 // Class Description:                              37 // Class Description:
 38 //      Computation of Screen-Coulomb Cross Se     38 //      Computation of Screen-Coulomb Cross Section
 39 //      for protons, alpha and heavy Ions          39 //      for protons, alpha and heavy Ions
 40 //                                                 40 //
 41 //                                                 41 //
 42 // Reference:                                      42 // Reference:
 43 //      M.J. Boschini et al. "Nuclear and Non-     43 //      M.J. Boschini et al. "Nuclear and Non-Ionizing Energy-Loss
 44 //      for Coulomb Scattered Particles from L     44 //      for Coulomb Scattered Particles from Low Energy up to Relativistic
 45 //      Regime in Space Radiation Environment"     45 //      Regime in Space Radiation Environment"
 46 //      Accepted for publication in the Procee     46 //      Accepted for publication in the Proceedings of  the  ICATPP Conference
 47 //      on Cosmic Rays for Particle and Astrop     47 //      on Cosmic Rays for Particle and Astroparticle Physics, Villa  Olmo, 7-8
 48 //      October,  2010, to be published by Wor     48 //      October,  2010, to be published by World Scientific (Singapore).
 49 //                                                 49 //
 50 //      Available for downloading at:              50 //      Available for downloading at:
 51 //      http://arxiv.org/abs/1011.4822             51 //      http://arxiv.org/abs/1011.4822
 52 //                                                 52 //
 53 // -------------------------------------------     53 // -------------------------------------------------------------------
 54                                                    54 
 55 //                                                 55 //
 56 #ifndef G4IonCoulombCrossSection_h                 56 #ifndef G4IonCoulombCrossSection_h
 57 #define G4IonCoulombCrossSection_h 1               57 #define G4IonCoulombCrossSection_h 1
 58                                                    58 
 59 //....oooOO0OOooo........oooOO0OOooo........oo     59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 60                                                    60 
 61 #include <CLHEP/Units/SystemOfUnits.h>             61 #include <CLHEP/Units/SystemOfUnits.h>
 62                                                    62 
 63 #include "globals.hh"                              63 #include "globals.hh"
 64 #include "G4NistManager.hh"                        64 #include "G4NistManager.hh"
 65 #include "G4ParticleDefinition.hh"                 65 #include "G4ParticleDefinition.hh"
 66                                                    66 
 67 //....oooOO0OOooo........oooOO0OOooo........oo     67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 68                                                    68 
 69 class G4IonCoulombCrossSection                     69 class G4IonCoulombCrossSection
 70 {                                                  70 {
 71 public:                                            71 public:
 72                                                    72 
 73   explicit G4IonCoulombCrossSection();         <<  73   G4IonCoulombCrossSection();
 74                                                    74 
 75   ~G4IonCoulombCrossSection() = default;       <<  75   virtual ~G4IonCoulombCrossSection();
 76                                                    76 
 77   void Initialise(const G4ParticleDefinition*,     77   void Initialise(const G4ParticleDefinition*, G4double cosThetaLim);
 78                                                    78 
 79   G4double NuclearCrossSection();                  79   G4double NuclearCrossSection();
 80                                                    80 
 81   G4double SampleCosineTheta();                    81   G4double SampleCosineTheta();
 82                                                    82 
 83   void SetupKinematic(G4double kinEnergy, G4do     83   void SetupKinematic(G4double kinEnergy, G4double tmass);
 84                                                    84 
 85   void SetupTarget(G4double Z, G4double kinEne     85   void SetupTarget(G4double Z, G4double kinEnergy, G4int heavycorr);
 86                                                    86 
 87   inline void SetupParticle(const G4ParticleDe     87   inline void SetupParticle(const G4ParticleDefinition*);
 88                                                    88 
 89   inline G4double GetMomentum2();                  89   inline G4double GetMomentum2();
 90                                                    90 
 91   G4IonCoulombCrossSection & operator=         << 
 92   (const  G4IonCoulombCrossSection &right) = d << 
 93   G4IonCoulombCrossSection(const  G4IonCoulomb << 
 94                                                << 
 95 private:                                           91 private:
 96                                                    92 
 97   void   SetScreenRSquare(G4int iz);               93   void   SetScreenRSquare(G4int iz);
 98                                                    94 
                                                   >>  95   G4IonCoulombCrossSection & operator=(const  G4IonCoulombCrossSection &right);
                                                   >>  96   G4IonCoulombCrossSection(const  G4IonCoulombCrossSection&);
                                                   >>  97 
 99   const G4ParticleDefinition* theProton;           98   const G4ParticleDefinition* theProton;  
100                                                    99 
101   G4NistManager*  fNistManager;                   100   G4NistManager*  fNistManager;   
102   G4Pow*          fG4pow;                         101   G4Pow*          fG4pow;
103                                                   102 
104   G4double                coeff;                  103   G4double                coeff;    
105                                                   104 
106   //cost - min - max                              105   //cost - min - max 
107   G4double                cosThetaMin;// def 1    106   G4double                cosThetaMin;// def 1.0
108   G4double                cosThetaMax;// def -    107   G4double                cosThetaMax;// def -1.0
109   //SetupTarget                                   108   //SetupTarget
110   G4double                cosTetMinNuc;// -->c    109   G4double                cosTetMinNuc;// -->cosThetaMin
111   G4double                cosTetMaxNuc;// -->c    110   G4double                cosTetMaxNuc;// -->cosThetaMax
112                                                   111 
113   //cross section                                 112   //cross section
114   G4double                nucXSection;            113   G4double                nucXSection;      
115                                                   114 
116   //energy                                        115   //energy 
117   G4double                etag;                   116   G4double                etag;     
118                                                   117 
119   // projectile........................           118   // projectile........................
120   const G4ParticleDefinition* particle;           119   const G4ParticleDefinition* particle;
121                                                   120 
122   G4double                chargeSquare;           121   G4double                chargeSquare;  
123   G4double                spin;                   122   G4double                spin;    
124   G4double                mass;                   123   G4double                mass;    
125                                                   124 
126   //lab of incedent particle                      125   //lab of incedent particle 
127   G4double                tkinLab;                126   G4double                tkinLab;
128   G4double                momLab2;                127   G4double                momLab2;
129   G4double                invbetaLab2;            128   G4double                invbetaLab2;
130                                                   129 
131   //relative system with nucleus                  130   //relative system with nucleus
132   G4double                tkin;                   131   G4double                tkin;    
133   G4double                mom2;                   132   G4double                mom2;    
134   G4double                invbeta2;               133   G4double                invbeta2;    
135                                                   134 
136   // target nucleus                               135   // target nucleus
137   G4double                targetZ;                136   G4double                targetZ;    
138   G4double                targetMass;             137   G4double                targetMass; 
139   G4double                screenZ;                138   G4double                screenZ; 
140   G4double                alpha2;                 139   G4double                alpha2;
141   G4double        ScreenRSquare;                  140   G4double        ScreenRSquare;  
142 };                                                141 };
143                                                   142 
144 //....oooOO0OOooo........oooOO0OOooo........oo    143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
145                                                   144 
146 inline                                            145 inline 
147 void G4IonCoulombCrossSection::SetupParticle(c    146 void G4IonCoulombCrossSection::SetupParticle(const G4ParticleDefinition* p)
148 {                                                 147 {
149   particle = p;                                   148   particle = p;
150   mass = particle->GetPDGMass();                  149   mass = particle->GetPDGMass();
151   spin = particle->GetPDGSpin();                  150   spin = particle->GetPDGSpin();
152   if(0.0 != spin) { spin = 0.5; }                 151   if(0.0 != spin) { spin = 0.5; }
153   G4double q = particle->GetPDGCharge()/CLHEP: << 152   G4double q = std::fabs(particle->GetPDGCharge()/CLHEP::eplus);
154   chargeSquare = q*q;                             153   chargeSquare = q*q;
155   tkin = 0.0;                                     154   tkin = 0.0;
156 }                                                 155 }
157 //....oooOO0OOooo........oooOO0OOooo........oo    156 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
158                                                   157 
159 inline G4double G4IonCoulombCrossSection::GetM    158 inline G4double G4IonCoulombCrossSection::GetMomentum2()
160 {                                                 159 {
161   return mom2;                                    160   return mom2;
162 }                                                 161 }
163 //....oooOO0OOooo........oooOO0OOooo........oo    162 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
164                                                   163 
165 #endif                                            164 #endif
166                                                   165 
167                                                   166 
168                                                   167