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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // G4NucleiPropertiesTheoreticalTable 27 // 28 // Author: Tatsumi Koi, SLAC 29 // -------------------------------------------------------------------- 30 31 #include "G4NucleiPropertiesTheoreticalTable.hh" 32 #include "G4PhysicalConstants.hh" 33 #include "G4SystemOfUnits.hh" 34 35 // Determine the table index for a Nuclide with Z protons and A nucleons 36 // 37 G4int G4NucleiPropertiesTheoreticalTable::GetIndex(G4int Z, G4int A) 38 { 39 if (A > 339) { 40 G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex", "PART202", EventMustBeAborted, 41 "Nucleon number larger than 339"); 42 } 43 else if (A < 16) { 44 G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex", "PART202", EventMustBeAborted, 45 " Nucleon number smaller than 16"); 46 } 47 else if (Z > 136) { 48 G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex", "PART202", EventMustBeAborted, 49 "Proton number larger than 136"); 50 } 51 else if (Z < 8) { 52 G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex", "PART202", EventMustBeAborted, 53 "Proton number smaller than 8"); 54 } 55 else if (Z > A) { 56 G4Exception("G4NucleiPropertiesTheoreticalTable::GetIndex", "PART202", EventMustBeAborted, 57 "Nucleon number smaller than Z"); 58 } 59 60 for (G4int i = shortTable[Z - 8]; i < shortTable[Z - 8 + 1]; ++i) { 61 if (indexArray[1][i] == A) return i; 62 } 63 64 return -1; 65 } 66 67 G4double G4NucleiPropertiesTheoreticalTable::GetMassExcess(G4int Z, G4int A) 68 { 69 G4int i = GetIndex(Z, A); 70 if (i >= 0) { 71 return AtomicMassExcess[i] * MeV; 72 } 73 74 return 0.0; 75 } 76 77 G4double G4NucleiPropertiesTheoreticalTable::GetBindingEnergy(G4int Z, G4int A) 78 { 79 G4int i = GetIndex(Z, A); 80 if (i >= 0) { 81 const G4double Mh = 7.289034 * MeV; // hydrogen atom mass excess 82 const G4double Mn = 8.071431 * MeV; // neutron mass excess 83 return G4double(Z) * Mh + G4double(A - Z) * Mn - AtomicMassExcess[i] * MeV; 84 } 85 86 return 0.0; 87 } 88 89 G4double G4NucleiPropertiesTheoreticalTable::GetAtomicMass(G4int Z, G4int A) 90 { 91 G4int i = GetIndex(Z, A); 92 if (i >= 0) { 93 return AtomicMassExcess[i] * MeV + A * amu_c2; 94 } 95 96 return 0.0; 97 } 98 99 G4double G4NucleiPropertiesTheoreticalTable::GetNuclearMass(G4int Z, G4int A) 100 { 101 G4int i = GetIndex(Z, A); 102 if (i >= 0) { 103 return GetAtomicMass(Z, A) - G4double(Z) * electron_mass_c2 + ElectronicBindingEnergy(Z); 104 } 105 106 return 0.0; 107 } 108 109 G4double G4NucleiPropertiesTheoreticalTable::ElectronicBindingEnergy(G4int Z) 110 { 111 const G4double ael = 1.433e-5 * MeV; // electronic-binding constant 112 return ael * std::pow(G4double(Z), 2.39); 113 } 114 115 G4bool G4NucleiPropertiesTheoreticalTable::IsInTable(G4int Z, G4int A) 116 { 117 return (Z <= A && A >= 16 && A <= 339 && Z <= 136 && Z >= 8 && GetIndex(Z, A) >= 0); 118 } 119