G4KaonMinusAbsorption.hh

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00025 //
00026 //    G4KaonMinusAbsorption physics process
00027 //    Larry Felawka (TRIUMF), April 1998
00028 //---------------------------------------------------------------------
00029 
00030 #ifndef G4KaonMinusAbsorption_h
00031 #define G4KaonMinusAbsorption_h 1
00032  
00033 #include "globals.hh"
00034 #include "Randomize.hh" 
00035 #include "G4VRestProcess.hh"
00036 #include "G4VParticleChange.hh"
00037 #include "G4ParticleDefinition.hh"
00038 #include "G4GHEKinematicsVector.hh"
00039 #include "G4HadronicProcessType.hh"
00040 
00041 // Class Description:
00042 //
00043 // Alternative process for absorption of K- at rest.
00044 // To be used in your physics list in case you need this physics.
00045 
00046 
00047 class G4KaonMinusAbsorption : public G4VRestProcess
00048  
00049 { 
00050   private:
00051   // hide assignment operator as private 
00052       G4KaonMinusAbsorption& operator=(const G4KaonMinusAbsorption &right);
00053       G4KaonMinusAbsorption(const G4KaonMinusAbsorption& );
00054    
00055   public:
00056  
00057      G4KaonMinusAbsorption(const G4String& processName ="KaonMinusAbsorption", 
00058                        G4ProcessType   aType = fHadronic );
00059  
00060     ~G4KaonMinusAbsorption();
00061 
00062      G4bool IsApplicable(const G4ParticleDefinition&);
00063 
00064      void PreparePhysicsTable(const G4ParticleDefinition&);
00065 
00066      void BuildPhysicsTable(const G4ParticleDefinition&);
00067 
00068      G4double AtRestGetPhysicalInteractionLength(const G4Track&,
00069                                                  G4ForceCondition*);
00070 
00071   // zero mean lifetime
00072      G4double GetMeanLifeTime(const G4Track& ,
00073                               G4ForceCondition* ) {return 0.0;}
00074 
00075      G4VParticleChange* AtRestDoIt(const G4Track&, const G4Step&); 
00076 
00077   // return number of secondaries produced
00078      G4int GetNumberOfSecondaries();
00079 
00080   // pointer to array containg kinematics of secondaries
00081      G4GHEKinematicsVector* GetSecondaryKinematics();
00082 
00083   private:
00084 
00085      void GenerateSecondaries();
00086      void Poisso( G4float, G4int* );
00087      void Normal( G4float* );
00088      void KaonMinusAbsorption( G4int* );
00089      G4int NFac( G4int );
00090 
00091   private:
00092 
00093 // global time-of-flight of stopped AntiProton
00094      G4float  globalTime;
00095 
00096 // atomic mass of target nucleus
00097      G4float  targetAtomicMass;
00098 
00099 // charge of target nucleus
00100      G4float  targetCharge;
00101 
00102      G4GHEKinematicsVector* pv;
00103      G4GHEKinematicsVector* eve;
00104      G4GHEKinematicsVector* gkin;
00105 
00106      G4float  evapEnergy1;
00107      G4float  evapEnergy3;
00108 
00109      G4int    ngkine;
00110 
00111      G4int    ntot;
00112      G4GHEKinematicsVector result;
00113 
00114      G4float  massKaonMinus;
00115      G4float  massGamma;
00116      G4float  massPionZero;
00117      G4float  massProton;
00118      G4float  massLambda;
00119 
00120      G4ParticleDefinition* pdefKaonMinus;
00121      G4ParticleDefinition* pdefGamma;
00122      G4ParticleDefinition* pdefPionZero;
00123      G4ParticleDefinition* pdefProton;
00124      G4ParticleDefinition* pdefNeutron;
00125      G4ParticleDefinition* pdefLambda;
00126      G4ParticleDefinition* pdefDeuteron;
00127      G4ParticleDefinition* pdefTriton;
00128      G4ParticleDefinition* pdefAlpha;
00129 
00130 };
00131 
00132 #endif
00133  

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