include/Geant4/G4BetaMinusDecay.hh

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0025 //
0026 ////////////////////////////////////////////////////////////////////////////////
0027 //                                                                            //
0028 //  File:   G4BetaMinusDecay.hh                                               //
0029 //  Author: D.H. Wright (SLAC)                                                //
0030 //  Date:   25 October 2014                                                   //
0031 //  Description: performs beta- decay of radioactive nuclei, and returns      //
0032 //               daughter particles in rest frame of parent nucleus           //
0033 //  Modifications:                                                            //
0034 //    23.08.2023 V.Ivanchenko make it thread safe using static utility        //
0035 //               G4BetaSpectrumSampler                                        //
0036 //                                                                            //
0037 ////////////////////////////////////////////////////////////////////////////////
0038
0039 #ifndef G4BetaMinusDecay_h
0040 #define G4BetaMinusDecay_h 1
0041
0042 #include "G4NuclearDecay.hh"
0043 #include "G4BetaDecayType.hh"
0044
0045
0046 class G4BetaMinusDecay : public G4NuclearDecay
0047 {
0048   public:
0049     G4BetaMinusDecay(const G4ParticleDefinition* theParentNucleus,
0050                      const G4double& theBR, const G4double& endpointE,
0051                      const G4double& ex, const G4Ions::G4FloatLevelBase& flb,
0052                      const G4BetaDecayType& type);
0053
0054     ~G4BetaMinusDecay() override = default;
0055
0056     G4DecayProducts* DecayIt(G4double) override;
0057
0058     void DumpNuclearInfo() override;
0059
0060   private:
0061
0062     void SetUpBetaSpectrumSampler(const G4int& parentZ, const G4int& parentA,
0063                                   const G4BetaDecayType& type);
0064
0065     const G4double maxEnergy; // in eMass units
0066     const G4double estep;     // in eMass units
0067     G4double parentMass;
0068     G4double resMass;
0069
0070     const G4ParticleDefinition* fPrimaryIon;
0071     const G4ParticleDefinition* fResIon;
0072     const G4ParticleDefinition* fLepton;
0073     const G4ParticleDefinition* fNeutrino;
0074
0075     static const G4int npti{101};
0076     G4double cdf[npti];
0077 };
0078
0079 #endif
0080