[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 | // Class Description |
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| 27 | // Cross-section data set for a high precision (based on JENDL_HE evaluated data |
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| 28 | // libraries) description of elastic scattering 20 MeV ~ 3 GeV; |
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| 29 | // Class Description - End |
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| 30 | |
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| 31 | // 15-Nov-06 First Implementation is done by T. Koi (SLAC/SCCS) |
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| 32 | |
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| 33 | #include "G4NeutronHPJENDLHEData.hh" |
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| 34 | #include "G4LPhysicsFreeVector.hh" |
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| 35 | #include "G4ElementTable.hh" |
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| 36 | #include "G4NeutronHPData.hh" |
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| 37 | |
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| 38 | G4bool G4NeutronHPJENDLHEData::IsApplicable(const G4DynamicParticle*aP, const G4Element* anE) |
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| 39 | { |
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| 40 | |
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| 41 | G4bool result = true; |
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| 42 | G4double eKin = aP->GetKineticEnergy(); |
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| 43 | //if(eKin>20*MeV||aP->GetDefinition()!=G4Neutron::Neutron()) result = false; |
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| 44 | if ( eKin < 20*MeV || 3*GeV < eKin || aP->GetDefinition()!=G4Neutron::Neutron() ) |
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| 45 | { |
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| 46 | result = false; |
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| 47 | } |
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| 48 | // Element Check |
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| 49 | else if ( !(vElement[ anE->GetIndex() ]) ) result = false; |
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| 50 | |
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| 51 | return result; |
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| 52 | |
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| 53 | } |
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| 54 | |
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| 55 | |
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| 56 | |
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| 57 | G4NeutronHPJENDLHEData::G4NeutronHPJENDLHEData() |
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| 58 | { |
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| 59 | ; |
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| 60 | } |
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| 61 | |
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| 62 | |
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| 63 | |
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| 64 | G4NeutronHPJENDLHEData::G4NeutronHPJENDLHEData( G4String reaction , G4ParticleDefinition* pd ) |
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| 65 | { |
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| 66 | reactionName = reaction; |
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| 67 | BuildPhysicsTable( *pd ); |
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| 68 | } |
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| 69 | |
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| 70 | |
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| 71 | |
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| 72 | G4NeutronHPJENDLHEData::~G4NeutronHPJENDLHEData() |
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| 73 | { |
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| 74 | ; |
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| 75 | //delete theCrossSections; |
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| 76 | } |
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| 77 | |
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| 78 | |
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| 79 | |
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| 80 | void G4NeutronHPJENDLHEData::BuildPhysicsTable( const G4ParticleDefinition& aP ) |
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| 81 | { |
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| 82 | |
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| 83 | // if ( &aP != G4Neutron::Neutron() ) |
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| 84 | // throw G4HadronicException(__FILE__, __LINE__, "Attempt to use NeutronHP data for particles other than neutrons!!!"); |
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| 85 | particleName = aP.GetParticleName(); |
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| 86 | |
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| 87 | G4String baseName = getenv( "G4NEUTRONHPDATA" ); |
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| 88 | G4String dirName = baseName+"/JENDL_HE/"+particleName+"/"+reactionName ; |
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| 89 | G4String aFSType = "/CrossSection/"; |
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| 90 | G4NeutronHPNames theNames; |
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| 91 | |
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| 92 | G4String filename; |
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| 93 | |
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| 94 | // Create JENDL_HE data |
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| 95 | // Create map element or isotope |
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| 96 | |
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| 97 | size_t numberOfElements = G4Element::GetNumberOfElements(); |
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| 98 | //theCrossSections = new G4PhysicsTable( numberOfElements ); |
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| 99 | |
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| 100 | // make a PhysicsVector for each element |
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| 101 | |
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| 102 | static const G4ElementTable *theElementTable = G4Element::GetElementTable(); |
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| 103 | vElement.clear(); |
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| 104 | vElement.resize( numberOfElements ); |
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| 105 | for ( size_t i = 0; i < numberOfElements; ++i ) |
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| 106 | { |
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| 107 | |
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| 108 | G4Element* theElement = (*theElementTable)[i]; |
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| 109 | vElement[i] = false; |
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| 110 | |
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| 111 | // isotope |
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| 112 | G4int nIso = (*theElementTable)[i]->GetNumberOfIsotopes(); |
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| 113 | G4int Z = static_cast<G4int> ((*theElementTable)[i]->GetZ()); |
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| 114 | if ( nIso!=0 ) |
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| 115 | { |
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| 116 | G4bool found_at_least_one = false; |
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| 117 | for ( G4int i1 = 0; i1 < nIso; i1++ ) |
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| 118 | { |
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| 119 | G4int A = theElement->GetIsotope(i1)->GetN(); |
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| 120 | |
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| 121 | if ( isThisNewIsotope( Z , A ) ) |
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| 122 | { |
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| 123 | |
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| 124 | std::stringstream ss; |
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| 125 | ss << dirName << aFSType << Z << "_" << A << "_" << theNames.GetName( Z-1 ); |
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| 126 | filename = ss.str(); |
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| 127 | std::fstream file; |
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| 128 | file.open ( filename , std::fstream::in ); |
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| 129 | G4int dummy; |
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| 130 | file >> dummy; |
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| 131 | if ( file.good() ) |
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| 132 | { |
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| 133 | |
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| 134 | //G4cout << "Found file for Z=" << Z << ", A=" << A << ", as " << filename << G4endl; |
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| 135 | found_at_least_one = true; |
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| 136 | |
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| 137 | // read the file |
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| 138 | G4PhysicsVector* aPhysVec = readAFile ( &file ); |
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| 139 | |
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| 140 | //Regist |
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| 141 | |
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| 142 | registAPhysicsVector( Z , A , aPhysVec ); |
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| 143 | |
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| 144 | } |
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| 145 | else |
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| 146 | { |
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| 147 | //G4cout << "No file for "<< reactionType << " Z=" << Z << ", A=" << A << G4endl; |
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| 148 | } |
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| 149 | |
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| 150 | file.close(); |
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| 151 | |
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| 152 | } |
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| 153 | else |
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| 154 | { |
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| 155 | found_at_least_one = TRUE; |
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| 156 | } |
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| 157 | } |
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| 158 | |
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| 159 | if ( found_at_least_one ) vElement[i] = true; |
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| 160 | |
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| 161 | } |
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| 162 | else |
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| 163 | { |
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| 164 | G4StableIsotopes theStableOnes; |
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| 165 | G4int first = theStableOnes.GetFirstIsotope( Z ); |
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| 166 | G4bool found_at_least_one = FALSE; |
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| 167 | for ( G4int i1 = 0; i1 < theStableOnes.GetNumberOfIsotopes( static_cast<G4int>(theElement->GetZ() ) ); i1++) |
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| 168 | { |
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| 169 | G4int A = theStableOnes.GetIsotopeNucleonCount( first+i1 ); |
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| 170 | |
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| 171 | if ( isThisNewIsotope( Z , A ) ) |
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| 172 | { |
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| 173 | |
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| 174 | std::stringstream ss; |
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| 175 | ss << dirName << aFSType << Z << "_" << A << "_" << theNames.GetName( Z-1 ); |
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| 176 | filename = ss.str(); |
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| 177 | |
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| 178 | std::fstream file; |
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| 179 | file.open ( filename , std::fstream::in ); |
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| 180 | G4int dummy; |
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| 181 | file >> dummy; |
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| 182 | if ( file.good() ) |
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| 183 | { |
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| 184 | //G4cout << "Found file for Z=" << Z << ", A=" << A << ", as " << filename << G4endl; |
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| 185 | found_at_least_one = TRUE; |
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| 186 | //Read the file |
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| 187 | |
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| 188 | G4PhysicsVector* aPhysVec = readAFile ( &file ); |
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| 189 | |
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| 190 | //Regist the PhysicsVector |
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| 191 | registAPhysicsVector( Z , A , aPhysVec ); |
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| 192 | |
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| 193 | } |
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| 194 | else |
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| 195 | { |
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| 196 | //G4cout << "No file for "<< reactionType << " Z=" << Z << ", A=" << A << G4endl; |
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| 197 | } |
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| 198 | |
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| 199 | file.close(); |
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| 200 | } |
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| 201 | else |
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| 202 | { |
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| 203 | found_at_least_one = TRUE; |
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| 204 | } |
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| 205 | } |
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| 206 | |
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| 207 | if ( found_at_least_one ) vElement[i] = true; |
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| 208 | |
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| 209 | } |
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| 210 | |
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| 211 | } |
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| 212 | |
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| 213 | } |
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| 214 | |
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| 215 | |
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| 216 | |
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| 217 | void G4NeutronHPJENDLHEData::DumpPhysicsTable(const G4ParticleDefinition& aP) |
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| 218 | { |
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| 219 | if(&aP!=G4Neutron::Neutron()) |
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| 220 | throw G4HadronicException(__FILE__, __LINE__, "Attempt to use NeutronHP data for particles other than neutrons!!!"); |
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| 221 | // G4cout << "G4NeutronHPJENDLHEData::DumpPhysicsTable still to be implemented"<<G4endl; |
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| 222 | } |
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| 223 | |
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| 224 | |
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| 225 | |
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| 226 | G4double G4NeutronHPJENDLHEData:: |
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| 227 | GetCrossSection(const G4DynamicParticle* aP, const G4Element*anE, G4double ) |
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| 228 | // aTemp |
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| 229 | { |
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| 230 | |
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| 231 | // Primary energy >20MeV |
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| 232 | // Thus |
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| 233 | // Not take account of Doppler broadening |
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| 234 | // also |
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| 235 | // Not take account of Target thermal motions |
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| 236 | |
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| 237 | G4double result = 0; |
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| 238 | |
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| 239 | G4double ek = aP->GetKineticEnergy(); |
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| 240 | |
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| 241 | G4int nIso = anE->GetNumberOfIsotopes(); |
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| 242 | G4int Z = static_cast<G4int> ( anE->GetZ() ); |
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| 243 | if ( nIso!=0 ) |
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| 244 | { |
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| 245 | for ( G4int i1 = 0; i1 < nIso; i1++ ) |
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| 246 | { |
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| 247 | |
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| 248 | G4int A = anE->GetIsotope(i1)->GetN(); |
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| 249 | G4double frac = anE->GetRelativeAbundanceVector()[ i1 ]; // This case do NOT request "*perCent". |
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| 250 | |
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| 251 | result += frac * getXSfromThisIsotope( Z , A , ek ); |
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| 252 | //G4cout << reactionType << " XS in barn " << Z << " " << A << " " << frac << " " << getXSfromThisIsotope( Z , A , ek )/barn << G4endl; |
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| 253 | |
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| 254 | } |
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| 255 | } |
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| 256 | else |
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| 257 | { |
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| 258 | |
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| 259 | G4StableIsotopes theStableOnes; |
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| 260 | G4int first = theStableOnes.GetFirstIsotope( Z ); |
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| 261 | for ( G4int i1 = 0; i1 < theStableOnes.GetNumberOfIsotopes( static_cast<G4int>(anE->GetZ() ) ); i1++) |
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| 262 | { |
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| 263 | |
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| 264 | G4int A = theStableOnes.GetIsotopeNucleonCount( first+i1 ); |
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| 265 | G4double frac = theStableOnes.GetAbundance( first+i1 )*perCent; // This case request "*perCent". |
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| 266 | |
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| 267 | result += frac * getXSfromThisIsotope( Z , A , ek ); |
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| 268 | //G4cout << reactionType << " XS in barn " << Z << " " << A << " " << frac << " " << getXSfromThisIsotope( Z , A , ek )/barn << G4endl; |
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| 269 | |
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| 270 | } |
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| 271 | } |
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| 272 | return result; |
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| 273 | |
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| 274 | } |
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| 275 | |
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| 276 | |
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| 277 | |
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| 278 | G4PhysicsVector* G4NeutronHPJENDLHEData::readAFile ( std::fstream* file ) |
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| 279 | { |
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| 280 | |
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| 281 | G4int dummy; |
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| 282 | G4int len; |
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| 283 | *file >> dummy; |
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| 284 | *file >> len; |
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| 285 | |
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| 286 | std::vector< G4double > v_e; |
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| 287 | std::vector< G4double > v_xs; |
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| 288 | |
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| 289 | for ( G4int i = 0 ; i < len ; i++ ) |
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| 290 | { |
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| 291 | G4double e; |
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| 292 | G4double xs; |
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| 293 | |
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| 294 | *file >> e; |
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| 295 | *file >> xs; |
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| 296 | // data are written in eV and barn. |
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| 297 | v_e.push_back( e*eV ); |
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| 298 | v_xs.push_back( xs*barn ); |
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| 299 | } |
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| 300 | |
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| 301 | G4LPhysicsFreeVector* aPhysVec = new G4LPhysicsFreeVector( static_cast< size_t >( len ) , v_e.front() , v_e.back() ); |
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| 302 | |
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| 303 | for ( G4int i = 0 ; i < len ; i++ ) |
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| 304 | { |
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| 305 | aPhysVec->PutValues( static_cast< size_t >( i ) , v_e[ i ] , v_xs[ i ] ); |
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| 306 | } |
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| 307 | |
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| 308 | return aPhysVec; |
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| 309 | } |
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| 310 | |
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| 311 | |
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| 312 | |
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| 313 | G4bool G4NeutronHPJENDLHEData::isThisInMap( G4int z , G4int a ) |
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| 314 | { |
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| 315 | if ( mIsotope.find ( z ) == mIsotope.end() ) return false; |
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| 316 | if ( mIsotope.find ( z ) -> second->find ( a ) == mIsotope.find ( z ) -> second->end() ) return false; |
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| 317 | return true; |
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| 318 | } |
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| 319 | |
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| 320 | |
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| 321 | |
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| 322 | void G4NeutronHPJENDLHEData::registAPhysicsVector( G4int Z , G4int A , G4PhysicsVector* aPhysVec ) |
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| 323 | { |
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| 324 | |
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| 325 | std::pair< G4int , G4PhysicsVector* > aPair = std::pair < G4int , G4PhysicsVector* > ( A , aPhysVec ); |
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| 326 | |
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| 327 | std::map < G4int , std::map< G4int , G4PhysicsVector* >* >::iterator itm; |
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| 328 | itm = mIsotope.find ( Z ); |
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| 329 | if ( itm != mIsotope.end() ) |
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| 330 | { |
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| 331 | itm->second->insert ( aPair ); |
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| 332 | } |
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| 333 | else |
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| 334 | { |
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| 335 | std::map< G4int , G4PhysicsVector* >* aMap = new std::map< G4int , G4PhysicsVector* >; |
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| 336 | aMap->insert ( aPair ); |
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| 337 | mIsotope.insert( std::pair< G4int , std::map< G4int , G4PhysicsVector* >* > ( Z , aMap ) ); |
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| 338 | } |
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| 339 | |
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| 340 | } |
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| 341 | |
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| 342 | |
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| 343 | |
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| 344 | G4double G4NeutronHPJENDLHEData::getXSfromThisIsotope( G4int Z , G4int A , G4double ek ) |
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| 345 | { |
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| 346 | |
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| 347 | G4double aXSection = 0.0; |
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| 348 | G4bool outOfRange; |
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| 349 | |
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| 350 | G4PhysicsVector* aPhysVec; |
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| 351 | if ( mIsotope.find ( Z )->second->find ( A ) != mIsotope.find ( Z )->second->end() ) |
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| 352 | { |
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| 353 | |
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| 354 | aPhysVec = mIsotope.find ( Z )->second->find ( A )->second; |
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| 355 | aXSection = aPhysVec->GetValue( ek , outOfRange ); |
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| 356 | |
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| 357 | } |
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| 358 | else |
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| 359 | { |
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| 360 | |
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| 361 | //Select closest one in the same Z |
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| 362 | std::map < G4int , G4PhysicsVector* >::iterator it; |
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| 363 | G4int delta0 = 99; // no mean for 99 |
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| 364 | for ( it = mIsotope.find ( Z )->second->begin() ; it != mIsotope.find ( Z )->second->end() ; it++ ) |
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| 365 | { |
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| 366 | G4int delta = std::abs( A - it->first ); |
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| 367 | if ( delta < delta0 ) delta0 = delta; |
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| 368 | } |
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| 369 | |
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| 370 | // Randomize of selection larger or smaller than A |
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| 371 | if ( G4UniformRand() < 0.5 ) delta0 *= -1; |
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| 372 | G4int A1 = A + delta0; |
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| 373 | if ( mIsotope.find ( Z )->second->find ( A1 ) != mIsotope.find ( Z )->second->end() ) |
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| 374 | { |
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| 375 | aPhysVec = mIsotope.find ( Z )->second->find ( A1 )->second; |
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| 376 | } |
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| 377 | else |
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| 378 | { |
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| 379 | A1 = A - delta0; |
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| 380 | aPhysVec = mIsotope.find ( Z )->second->find ( A1 )->second; |
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| 381 | } |
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| 382 | |
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| 383 | aXSection = aPhysVec->GetValue( ek , outOfRange ); |
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| 384 | // X^(2/3) factor |
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| 385 | aXSection *= std::pow ( 1.0*A/ A1 , 2.0 / 3.0 ); |
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| 386 | |
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| 387 | } |
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| 388 | |
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| 389 | return aXSection; |
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| 390 | } |
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