[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 | // Hadronic Process: Nuclear De-excitations |
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| 29 | // by V. Lara (May 1998) |
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| 30 | |
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| 31 | #include "G4Fragment.hh" |
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| 32 | #include "G4HadronicException.hh" |
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| 33 | #include "G4HadTmpUtil.hh" |
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| 34 | |
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| 35 | |
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| 36 | // Default constructor |
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| 37 | G4Fragment::G4Fragment() : |
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| 38 | theA(0), |
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| 39 | theZ(0), |
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| 40 | theExcitationEnergy(0.0), |
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| 41 | theMomentum(0), |
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| 42 | theAngularMomentum(0), |
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| 43 | numberOfParticles(0), |
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| 44 | numberOfHoles(0), |
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| 45 | numberOfCharged(0), |
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| 46 | theParticleDefinition(0), |
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| 47 | theCreationTime(0.0) |
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| 48 | #ifdef PRECOMPOUND_TEST |
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| 49 | ,theCreatorModel("No name") |
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| 50 | #endif |
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| 51 | {} |
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| 52 | |
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| 53 | // Copy Constructor |
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| 54 | G4Fragment::G4Fragment(const G4Fragment &right) |
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| 55 | { |
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| 56 | theA = right.theA; |
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| 57 | theZ = right.theZ; |
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| 58 | theExcitationEnergy = right.theExcitationEnergy; |
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| 59 | theMomentum = right.theMomentum; |
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| 60 | theAngularMomentum = right.theAngularMomentum; |
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| 61 | numberOfParticles = right.numberOfParticles; |
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| 62 | numberOfHoles = right.numberOfHoles; |
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| 63 | numberOfCharged = right.numberOfCharged; |
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| 64 | theParticleDefinition = right.theParticleDefinition; |
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| 65 | theCreationTime = right.theCreationTime; |
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| 66 | #ifdef PRECOMPOUND_TEST |
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| 67 | theCreatorModel = right.theCreatorModel; |
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| 68 | #endif |
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| 69 | } |
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| 70 | |
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| 71 | |
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| 72 | G4Fragment::~G4Fragment() |
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| 73 | { |
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| 74 | } |
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| 75 | |
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| 76 | |
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| 77 | G4Fragment::G4Fragment(const G4int A, const G4int Z, const G4LorentzVector aMomentum) : |
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| 78 | theA(A), |
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| 79 | theZ(Z), |
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| 80 | theMomentum(aMomentum), |
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| 81 | theAngularMomentum(0), |
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| 82 | numberOfParticles(0), |
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| 83 | numberOfHoles(0), |
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| 84 | numberOfCharged(0), |
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| 85 | theParticleDefinition(0), |
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| 86 | theCreationTime(0.0) |
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| 87 | #ifdef PRECOMPOUND_TEST |
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| 88 | ,theCreatorModel("No name") |
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| 89 | #endif |
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| 90 | { |
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| 91 | theExcitationEnergy = theMomentum.mag() - |
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| 92 | G4ParticleTable::GetParticleTable()->GetIonTable() |
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| 93 | ->GetIonMass( G4lrint(theZ), G4lrint(theA) ); |
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| 94 | if (theExcitationEnergy < 0.0) { |
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| 95 | if (theExcitationEnergy > -10.0 * eV || 0 == G4lrint(theA)) { |
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| 96 | theExcitationEnergy = 0.0; |
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| 97 | } else { |
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| 98 | G4cout << "A, Z, momentum, theExcitationEnergy"<< |
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| 99 | A<<" "<<Z<<" "<<aMomentum<<" "<<theExcitationEnergy<<G4endl; |
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| 100 | G4String text = "G4Fragment::G4Fragment Excitation Energy < 0.0!"; |
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| 101 | throw G4HadronicException(__FILE__, __LINE__, text); |
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| 102 | } |
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| 103 | } |
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| 104 | } |
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| 105 | |
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| 106 | |
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| 107 | // This constructor is for initialize photons |
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| 108 | G4Fragment::G4Fragment(const G4LorentzVector aMomentum, G4ParticleDefinition * aParticleDefinition) : |
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| 109 | theA(0), |
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| 110 | theZ(0), |
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| 111 | theMomentum(aMomentum), |
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| 112 | theAngularMomentum(0), |
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| 113 | numberOfParticles(0), |
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| 114 | numberOfHoles(0), |
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| 115 | numberOfCharged(0), |
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| 116 | theParticleDefinition(aParticleDefinition), |
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| 117 | theCreationTime(0.0) |
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| 118 | #ifdef PRECOMPOUND_TEST |
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| 119 | ,theCreatorModel("No name") |
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| 120 | #endif |
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| 121 | { |
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| 122 | theExcitationEnergy = CalculateExcitationEnergy(aMomentum); |
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| 123 | } |
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| 124 | |
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| 125 | |
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| 126 | |
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| 127 | const G4Fragment & G4Fragment::operator=(const G4Fragment &right) |
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| 128 | { |
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| 129 | if (this != &right) { |
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| 130 | theA = right.theA; |
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| 131 | theZ = right.theZ; |
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| 132 | theExcitationEnergy = right.theExcitationEnergy; |
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| 133 | theMomentum = right.theMomentum; |
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| 134 | theAngularMomentum = right.theAngularMomentum; |
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| 135 | numberOfParticles = right.numberOfParticles; |
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| 136 | numberOfHoles = right.numberOfHoles; |
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| 137 | numberOfCharged = right.numberOfCharged; |
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| 138 | theParticleDefinition = right.theParticleDefinition; |
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| 139 | theCreationTime = right.theCreationTime; |
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| 140 | #ifdef PRECOMPOUND_TEST |
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| 141 | theCreatorModel = right.theCreatorModel; |
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| 142 | #endif |
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| 143 | } |
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| 144 | return *this; |
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| 145 | } |
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| 146 | |
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| 147 | |
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| 148 | G4bool G4Fragment::operator==(const G4Fragment &right) const |
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| 149 | { |
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| 150 | return (this == (G4Fragment *) &right); |
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| 151 | } |
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| 152 | |
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| 153 | G4bool G4Fragment::operator!=(const G4Fragment &right) const |
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| 154 | { |
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| 155 | return (this != (G4Fragment *) &right); |
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| 156 | } |
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| 157 | |
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| 158 | |
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| 159 | std::ostream& operator << (std::ostream &out, const G4Fragment *theFragment) |
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| 160 | { |
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| 161 | std::ios::fmtflags old_floatfield = out.flags(); |
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| 162 | out.setf(std::ios::floatfield); |
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| 163 | |
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| 164 | out |
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| 165 | << "Fragment: A = " << std::setprecision(3) << theFragment->theA |
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| 166 | << ", Z = " << std::setprecision(3) << theFragment->theZ ; |
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| 167 | out.setf(std::ios::scientific,std::ios::floatfield); |
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| 168 | out |
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| 169 | << ", U = " << theFragment->GetExcitationEnergy()/MeV |
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| 170 | << " MeV" << G4endl |
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| 171 | << " P = (" |
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| 172 | << theFragment->theMomentum.x()/MeV << "," |
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| 173 | << theFragment->theMomentum.y()/MeV << "," |
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| 174 | << theFragment->theMomentum.z()/MeV |
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| 175 | << ") MeV E = " |
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| 176 | << theFragment->theMomentum.t()/MeV << " MeV"; |
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| 177 | |
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| 178 | // What about Angular momentum??? |
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| 179 | |
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| 180 | if (theFragment->GetNumberOfExcitons() != 0) { |
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| 181 | out << G4endl; |
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| 182 | out << " " |
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| 183 | << "#Particles = " << theFragment->numberOfParticles |
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| 184 | << ", #Holes = " << theFragment->numberOfHoles |
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| 185 | << ", #Charged = " << theFragment->numberOfCharged; |
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| 186 | } |
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| 187 | out.setf(old_floatfield,std::ios::floatfield); |
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| 188 | |
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| 189 | return out; |
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| 190 | |
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| 191 | } |
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| 192 | |
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| 193 | std::ostream& operator << (std::ostream &out, const G4Fragment &theFragment) |
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| 194 | { |
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| 195 | out << &theFragment; |
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| 196 | return out; |
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| 197 | } |
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| 198 | |
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| 199 | |
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| 200 | |
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| 201 | G4double G4Fragment::CalculateExcitationEnergy(const G4LorentzVector value) const |
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| 202 | { |
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| 203 | static G4int errCount(0); |
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| 204 | G4double theMaxGroundStateMass = theZ*G4Proton::Proton()->GetPDGMass()+ |
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| 205 | (theA-theZ)*G4Neutron::Neutron()->GetPDGMass(); |
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| 206 | G4double U = value.m() - std::min(theMaxGroundStateMass, GetGroundStateMass()); |
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| 207 | if( U < 0.0 ) { |
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| 208 | if( U > -10.0 * eV || 0==G4lrint(theA)){ |
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| 209 | U = 0.0; |
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| 210 | } else { |
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| 211 | if ( errCount < 10 ) { |
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| 212 | G4cerr << "G4Fragment::CalculateExcitationEnergy(): Excitation Energy =" |
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| 213 | <<U << " for A = "<<theA<<" and Z= "<<theZ<<G4endl |
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| 214 | << ", mass= " << GetGroundStateMass() << " maxMass= "<<theMaxGroundStateMass<<G4endl; ; |
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| 215 | errCount++; |
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| 216 | if (errCount == 10 ) G4cerr << "G4Fragment::CalculateExcitationEnergy():" |
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| 217 | << " further warnings on negative excitation will be supressed" << G4endl; |
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| 218 | } |
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| 219 | U=0.0; |
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| 220 | } |
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| 221 | } |
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| 222 | return U; |
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| 223 | } |
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| 224 | |
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| 225 | G4ThreeVector G4Fragment::IsotropicRandom3Vector(const G4double Magnitude) const |
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| 226 | // Create a unit vector with a random direction isotropically distributed |
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| 227 | { |
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| 228 | |
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| 229 | G4double CosTheta = 1.0 - 2.0*G4UniformRand(); |
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| 230 | G4double SinTheta = std::sqrt(1.0 - CosTheta*CosTheta); |
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| 231 | G4double Phi = twopi*G4UniformRand(); |
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| 232 | G4ThreeVector Vector(Magnitude*std::cos(Phi)*SinTheta, |
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| 233 | Magnitude*std::sin(Phi)*SinTheta, |
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| 234 | Magnitude*CosTheta); |
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| 235 | |
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| 236 | return Vector; |
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| 237 | |
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| 238 | } |
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