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Geant4/processes/hadronic/models/radioactive_decay/include/G4BetaPlusDecay.hh

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 26 ////////////////////////////////////////////////////////////////////////////////
 27 //                                                                            //
 28 //  File:   G4BetaPlusDecay.hh                                                //
 29 //  Author: D.H. Wright (SLAC)                                                //
 30 //  Date:   14 November 2014                                                  //
 31 //  Description: performs beta+ decay of radioactive nuclei, and returns      //
 32 //               daughter particles in rest frame of parent nucleus           // 
 33 //  Modifications:                                                            //
 34 //    23.08.2023 V.Ivanchenko make it thread safe using static utility        //
 35 //               G4BetaSpectrumSampler                                        //
 36 //                                                                            //
 37 ////////////////////////////////////////////////////////////////////////////////
 38 
 39 #ifndef G4BetaPlusDecay_h
 40 #define G4BetaPlusDecay_h 1
 41 
 42 #include "G4NuclearDecay.hh"
 43 #include "G4BetaDecayType.hh"
 44 
 45 class G4BetaPlusDecay : public G4NuclearDecay
 46 {
 47   public:
 48     G4BetaPlusDecay(const G4ParticleDefinition* theParentNucleus,
 49                     const G4double& theBR, const G4double& endpointE,
 50                     const G4double& ex, const G4Ions::G4FloatLevelBase& flb,
 51                     const G4BetaDecayType& type);
 52 
 53     ~G4BetaPlusDecay() override = default;
 54 
 55     G4DecayProducts* DecayIt(G4double) override;
 56 
 57     void DumpNuclearInfo() override;
 58 
 59   private:
 60 
 61     void SetUpBetaSpectrumSampler(const G4int& parentZ, const G4int& parentA,
 62                                   const G4BetaDecayType& type);
 63 
 64     const G4double maxEnergy; // in eMass units
 65     const G4double estep;     // in eMass units
 66     G4double parentMass;
 67     G4double resMass;
 68 
 69     const G4ParticleDefinition* fPrimaryIon;
 70     const G4ParticleDefinition* fResIon;
 71     const G4ParticleDefinition* fLepton;
 72     const G4ParticleDefinition* fNeutrino;
 73 
 74     static const G4int npti{101};
 75     G4double cdf[npti];
 76 };
 77 
 78 #endif
 79 
 80