[819] | 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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