| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | //
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| 28 | // original by H.P. Wellisch
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| 29 | // modified by J.L. Chuma, TRIUMF, 19-Nov-1996
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| 30 | // last modified: 27-Mar-1997
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| 31 | // Chr. Volcker, 10-Nov-1997: new methods and class variables.
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| 32 | // M.G. Pia, 2 Oct 1998: modified GetFermiMomentum (original design was
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| 33 | // the source of memory leaks)
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| 34 |
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| 35 | #ifndef G4Nucleus_h
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| 36 | #define G4Nucleus_h 1
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| 37 | // Class Description
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| 38 | // This class knows how to describe a nucleus;
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| 39 | // to be used in your physics implementation (not physics list) in case you need this physics.
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| 40 | // Class Description - End
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| 41 |
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| 42 |
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| 43 | #include "globals.hh"
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| 44 | #include "G4ThreeVector.hh"
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| 45 | #include "G4ParticleTypes.hh"
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| 46 | #include "G4ReactionProduct.hh"
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| 47 | #include "G4DynamicParticle.hh"
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| 48 | #include "G4ReactionProductVector.hh"
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| 49 | #include "Randomize.hh"
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| 50 |
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| 51 | class G4Nucleus
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| 52 | {
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| 53 | public:
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| 54 |
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| 55 | G4Nucleus();
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| 56 |
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| 57 | G4Nucleus( const G4double A, const G4double Z );
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| 58 |
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| 59 | G4Nucleus( const G4Material *aMaterial );
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| 60 |
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| 61 | ~G4Nucleus();
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| 62 |
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| 63 | inline G4Nucleus( const G4Nucleus &right )
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| 64 | { *this = right; }
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| 65 |
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| 66 | inline G4Nucleus & operator=( const G4Nucleus &right )
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| 67 | {
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| 68 | if( this != &right )
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| 69 | {
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| 70 | aEff=right.aEff;
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| 71 | zEff=right.zEff;
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| 72 | pnBlackTrackEnergy=right.pnBlackTrackEnergy;
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| 73 | dtaBlackTrackEnergy=right.dtaBlackTrackEnergy;
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| 74 | theTemp = right.theTemp;
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| 75 | excitationEnergy = right.excitationEnergy;
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| 76 | momentum = right.momentum;
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| 77 | fermiMomentum = right.fermiMomentum;
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| 78 | }
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| 79 | return *this;
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| 80 | }
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| 81 |
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| 82 | inline G4bool operator==( const G4Nucleus &right ) const
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| 83 | { return ( this == (G4Nucleus *) &right ); }
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| 84 |
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| 85 | inline G4bool operator!=( const G4Nucleus &right ) const
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| 86 | { return ( this != (G4Nucleus *) &right ); }
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| 87 |
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| 88 | void ChooseParameters( const G4Material *aMaterial );
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| 89 |
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| 90 | void SetParameters( const G4double A, const G4double Z );
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| 91 |
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| 92 | inline G4double GetN() const
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| 93 | { return aEff; }
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| 94 |
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| 95 | inline G4double GetZ() const
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| 96 | { return zEff; }
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| 97 |
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| 98 | G4DynamicParticle *ReturnTargetParticle() const;
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| 99 |
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| 100 | G4double AtomicMass( const G4double A, const G4double Z ) const;
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| 101 |
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| 102 | G4double GetThermalPz( const G4double mass, const G4double temp ) const;
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| 103 |
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| 104 | G4ReactionProduct GetThermalNucleus(G4double aMass, G4double temp=-1) const;
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| 105 |
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| 106 | G4ReactionProduct GetBiasedThermalNucleus(G4double aMass, G4ThreeVector aVelocity, G4double temp=-1) const;
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| 107 |
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| 108 | G4double Cinema( G4double kineticEnergy );
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| 109 |
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| 110 | G4double EvaporationEffects( G4double kineticEnergy );
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| 111 |
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| 112 | G4double AnnihilationEvaporationEffects(G4double kineticEnergy, G4double ekOrg);
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| 113 |
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| 114 | inline G4double GetPNBlackTrackEnergy() const
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| 115 | { return pnBlackTrackEnergy; }
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| 116 |
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| 117 | inline G4double GetDTABlackTrackEnergy() const
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| 118 | { return dtaBlackTrackEnergy; }
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| 119 |
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| 120 | inline G4double GetAnnihilationPNBlackTrackEnergy() const
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| 121 | { return pnBlackTrackEnergyfromAnnihilation; }
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| 122 |
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| 123 | inline G4double GetAnnihilationDTABlackTrackEnergy() const
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| 124 | { return dtaBlackTrackEnergyfromAnnihilation; }
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| 125 |
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| 126 | // ****************** methods introduced by ChV ***********************
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| 127 | // return fermi momentum
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| 128 | G4ThreeVector GetFermiMomentum();
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| 129 |
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| 130 | /*
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| 131 | // return particle to be absorbed.
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| 132 | G4DynamicParticle* ReturnAbsorbingParticle(G4double weight);
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| 133 | */
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| 134 |
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| 135 | // final nucleus fragmentation. Return List of particles
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| 136 | // which should be used for further tracking.
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| 137 | G4ReactionProductVector* Fragmentate();
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| 138 |
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| 139 |
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| 140 | // excitation Energy...
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| 141 | void AddExcitationEnergy(G4double anEnergy);
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| 142 |
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| 143 |
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| 144 | // momentum of absorbed Particles ..
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| 145 | void AddMomentum(const G4ThreeVector aMomentum);
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| 146 |
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| 147 | // return excitation Energy
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| 148 | G4double GetEnergyDeposit() {return excitationEnergy; }
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| 149 |
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| 150 |
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| 151 |
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| 152 | // ****************************** end ChV ******************************
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| 153 |
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| 154 |
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| 155 | private:
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| 156 |
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| 157 | G4double aEff; // effective atomic weight
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| 158 | G4double zEff; // effective atomic number
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| 159 |
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| 160 | G4double pnBlackTrackEnergy; // the kinetic energy available for
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| 161 | // proton/neutron black track particles
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| 162 | G4double dtaBlackTrackEnergy; // the kinetic energy available for
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| 163 | // deuteron/triton/alpha particles
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| 164 | G4double pnBlackTrackEnergyfromAnnihilation;
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| 165 | // kinetic energy available for proton/neutron black
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| 166 | // track particles based on baryon annihilation
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| 167 | G4double dtaBlackTrackEnergyfromAnnihilation;
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| 168 | // kinetic energy available for deuteron/triton/alpha
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| 169 | // black track particles based on baryon annihilation
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| 170 |
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| 171 |
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| 172 | // ************************** member variables by ChV *******************
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| 173 | // Excitation Energy leading to evaporation or deexcitation.
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| 174 | G4double excitationEnergy;
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| 175 |
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| 176 | // Momentum, accumulated by absorbing Particles
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| 177 | G4ThreeVector momentum;
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| 178 |
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| 179 | // Fermi Gas model: at present, we assume constant nucleon density for all
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| 180 | // nuclei. The radius of a nucleon is taken to be 1 fm.
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| 181 | // see for example S.Fl"ugge, Encyclopedia of Physics, Vol XXXIX,
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| 182 | // Structure of Atomic Nuclei (Berlin-Gottingen-Heidelberg, 1957) page 426.
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| 183 |
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| 184 | // maximum momentum possible from fermi gas model:
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| 185 | G4double fermiMomentum;
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| 186 | G4double theTemp; // temperature
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| 187 | // ****************************** end ChV ******************************
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| 188 |
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| 189 | };
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| 190 |
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| 191 | #endif
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| 192 |
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