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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // 26 // >> 27 // $Id: G4StatMFFragment.cc 91834 2015-08-07 07:24:22Z gcosmo $ 27 // 28 // 28 // Hadronic Process: Nuclear De-excitations 29 // Hadronic Process: Nuclear De-excitations 29 // by V. Lara 30 // by V. Lara 30 31 31 #include "G4StatMFFragment.hh" 32 #include "G4StatMFFragment.hh" 32 #include "G4PhysicalConstants.hh" 33 #include "G4PhysicalConstants.hh" 33 #include "G4HadronicException.hh" 34 #include "G4HadronicException.hh" 34 #include "G4Pow.hh" 35 #include "G4Pow.hh" 35 36 36 // Copy constructor 37 // Copy constructor 37 G4StatMFFragment::G4StatMFFragment(const G4Sta 38 G4StatMFFragment::G4StatMFFragment(const G4StatMFFragment & ) 38 { 39 { 39 throw G4HadronicException(__FILE__, __LINE << 40 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFFragment::copy_constructor meant to not be accessable"); 40 } 41 } 41 42 42 // Operators 43 // Operators 43 44 44 G4StatMFFragment & G4StatMFFragment:: 45 G4StatMFFragment & G4StatMFFragment:: 45 operator=(const G4StatMFFragment & ) 46 operator=(const G4StatMFFragment & ) 46 { 47 { 47 throw G4HadronicException(__FILE__, __LINE << 48 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFFragment::operator= meant to not be accessable"); 48 return *this; 49 return *this; 49 } 50 } 50 51 51 G4bool G4StatMFFragment::operator==(const G4St 52 G4bool G4StatMFFragment::operator==(const G4StatMFFragment & ) const 52 { 53 { 53 // throw G4HadronicException(__FILE__, __LINE << 54 // throw G4HadronicException(__FILE__, __LINE__, "G4StatMFFragment::operator== meant to not be accessable"); 54 return false; 55 return false; 55 } 56 } 56 57 57 G4bool G4StatMFFragment::operator!=(const G4St 58 G4bool G4StatMFFragment::operator!=(const G4StatMFFragment & ) const 58 { 59 { 59 // throw G4HadronicException(__FILE__, __LINE << 60 // throw G4HadronicException(__FILE__, __LINE__, "G4StatMFFragment::operator!= meant to not be accessable"); 60 return true; 61 return true; 61 } 62 } 62 63 63 G4double G4StatMFFragment::GetCoulombEnergy(vo 64 G4double G4StatMFFragment::GetCoulombEnergy(void) const 64 { 65 { 65 G4double res = 0.0; 66 G4double res = 0.0; 66 if (theZ >= 1) { 67 if (theZ >= 1) { 67 res = G4StatMFParameters::GetCoulomb(); 68 res = G4StatMFParameters::GetCoulomb(); 68 } 69 } 69 return res; 70 return res; 70 } 71 } 71 72 72 G4double G4StatMFFragment::GetEnergy(const G4d 73 G4double G4StatMFFragment::GetEnergy(const G4double T) const 73 { 74 { 74 if (theA < 1 || theZ < 0 || theZ > theA) { 75 if (theA < 1 || theZ < 0 || theZ > theA) { 75 G4cout << "G4StatMFFragment::GetEnergy: A 76 G4cout << "G4StatMFFragment::GetEnergy: A = " << theA 76 << ", Z = " << theZ << G4endl; 77 << ", Z = " << theZ << G4endl; 77 throw G4HadronicException(__FILE__, __LINE 78 throw G4HadronicException(__FILE__, __LINE__, 78 "G4StatMFFragment::GetEnergy: Wron 79 "G4StatMFFragment::GetEnergy: Wrong values for A and Z!"); 79 } 80 } 80 G4double BulkEnergy = G4NucleiProperties::Ge 81 G4double BulkEnergy = G4NucleiProperties::GetMassExcess(theA,theZ); 81 82 82 if (theA < 4) return BulkEnergy - GetCoulomb 83 if (theA < 4) return BulkEnergy - GetCoulombEnergy(); 83 84 84 G4double SurfaceEnergy; 85 G4double SurfaceEnergy; 85 if (G4StatMFParameters::DBetaDT(T) == 0.0) S 86 if (G4StatMFParameters::DBetaDT(T) == 0.0) SurfaceEnergy = 0.0; 86 else SurfaceEnergy = 2.5*G4Pow::GetInstance( 87 else SurfaceEnergy = 2.5*G4Pow::GetInstance()->Z23(theA)*T*T* 87 G4StatMFParameters::GetBeta0()/ 88 G4StatMFParameters::GetBeta0()/ 88 (G4StatMFParameters::GetCriticalTemp()* 89 (G4StatMFParameters::GetCriticalTemp()* 89 G4StatMFParameters::GetCriticalTemp()); 90 G4StatMFParameters::GetCriticalTemp()); 90 91 91 G4double ExchangeEnergy = theA*T*T/GetInvLev 92 G4double ExchangeEnergy = theA*T*T/GetInvLevelDensity(); 92 if (theA != 4) ExchangeEnergy += SurfaceEner 93 if (theA != 4) ExchangeEnergy += SurfaceEnergy; 93 return BulkEnergy + ExchangeEnergy - GetCoul 94 return BulkEnergy + ExchangeEnergy - GetCoulombEnergy(); 94 } 95 } 95 96 96 G4double G4StatMFFragment::GetInvLevelDensity( 97 G4double G4StatMFFragment::GetInvLevelDensity(void) const 97 { 98 { 98 G4double res = 0.0; 99 G4double res = 0.0; 99 if (theA > 1) { 100 if (theA > 1) { 100 res = G4StatMFParameters::GetEpsilon0()*( 101 res = G4StatMFParameters::GetEpsilon0()*(1.0+3.0/(theA - 1.0)); 101 } 102 } 102 return res; 103 return res; 103 } 104 } 104 105 105 G4Fragment * G4StatMFFragment::GetFragment(con 106 G4Fragment * G4StatMFFragment::GetFragment(const G4double T) 106 { 107 { 107 G4double U = CalcExcitationEnergy(T); 108 G4double U = CalcExcitationEnergy(T); 108 G4double M = GetNuclearMass(); 109 G4double M = GetNuclearMass(); 109 G4LorentzVector FourMomentum(_momentum,std:: 110 G4LorentzVector FourMomentum(_momentum,std::sqrt(_momentum.mag2()+(M+U)*(M+U))); 110 G4Fragment * theFragment = new G4Fragment(th 111 G4Fragment * theFragment = new G4Fragment(theA, theZ, FourMomentum); 111 return theFragment; 112 return theFragment; 112 } 113 } 113 114 114 G4double G4StatMFFragment::CalcExcitationEnerg 115 G4double G4StatMFFragment::CalcExcitationEnergy(const G4double T) 115 { 116 { 116 if (theA <= 3) return 0.0; 117 if (theA <= 3) return 0.0; 117 118 118 G4double BulkEnergy = theA*T*T/GetInvLevelDe 119 G4double BulkEnergy = theA*T*T/GetInvLevelDensity(); 119 120 120 // if it is an alpha particle: done 121 // if it is an alpha particle: done 121 if (theA == 4) return BulkEnergy; 122 if (theA == 4) return BulkEnergy; 122 123 123 // Term connected with surface energy 124 // Term connected with surface energy 124 G4double SurfaceEnergy = 0.0; 125 G4double SurfaceEnergy = 0.0; 125 G4double q = G4StatMFParameters::DBetaDT(T); 126 G4double q = G4StatMFParameters::DBetaDT(T); 126 if (std::abs(q) > 1.0e-20) { 127 if (std::abs(q) > 1.0e-20) { 127 SurfaceEnergy = 2.5*G4Pow::GetInstance()-> 128 SurfaceEnergy = 2.5*G4Pow::GetInstance()->Z23(theA) 128 *(G4StatMFParameters::Beta(T) - T*q - G4 129 *(G4StatMFParameters::Beta(T) - T*q - G4StatMFParameters::GetBeta0()); 129 } 130 } 130 return BulkEnergy + SurfaceEnergy; 131 return BulkEnergy + SurfaceEnergy; 131 } 132 } 132 133