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25 << 22 //
26 // 09-07-98, data moved from G4Element. M.Mair << 23 //
27 // 22-11-00, tabulation of ionisation potentia << 24 // $Id: G4IonisParamElm.cc,v 1.11 2004/12/07 08:50:03 gcosmo Exp $
28 // the ICRU Report N#37. V.Ivanchenk << 25 // GEANT4 tag $Name: geant4-07-00-cand-03 $
29 // 08-03-01, correct handling of fShellCorrect << 26 //
30 // 17-10-02, Fix excitation energy interpolati << 27 //
31 // 06-09-04, Update calculated values after an << 28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 29 //
>> 30 // 06-09-04, Update calculated values after any change of ionisation
32 // potential change. V.Ivanchenko 31 // potential change. V.Ivanchenko
33 // 29-04-10, Using G4Pow and mean ionisation e << 32 // 17-10-02, Fix excitation energy interpolation. V.Ivanchenko
34 // 27.10.11: new scheme for G4Exception (mma) << 33 // 08-03-01, correct handling of fShellCorrectionVector. M.Maire
>> 34 // 22-11-00, tabulation of ionisation potential from
>> 35 // the ICRU Report N#37. V.Ivanchenko
>> 36 // 09-07-98, data moved from G4Element. M.Maire
>> 37 //
>> 38 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
35 39
36 #include "G4IonisParamElm.hh" 40 #include "G4IonisParamElm.hh"
37 41
38 #include "G4NistManager.hh" << 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
39 #include "G4PhysicalConstants.hh" << 43
40 #include "G4Pow.hh" << 44 G4IonisParamElm::G4IonisParamElm(G4double Z)
41 #include "G4SystemOfUnits.hh" << 45 {
42 << 46 if (Z < 1.) G4Exception
43 //....oooOO0OOooo........oooOO0OOooo........oo << 47 (" ERROR! It is not allowed to create an Element with Z < 1" );
44 << 48
45 G4IonisParamElm::G4IonisParamElm(G4double Atom << 49 // some basic functions of the atomic number
46 { << 50 fZ = Z;
47 G4int Z = G4lrint(AtomNumber); << 51 fZ3 = std::pow(fZ, 1./3.);
48 if (Z < 1) { << 52 fZZ3 = std::pow(fZ*(fZ+1.), 1./3.);
49 G4Exception("G4IonisParamElm::G4IonisParam << 53 flogZ3 = std::log(fZ)/3.;
50 "It is not allowed to create an Element << 54
51 } << 55 // Parameters for energy loss by ionisation
52 G4Pow* g4pow = G4Pow::GetInstance(); << 56
53 << 57 // Mean excitation energy
54 // some basic functions of the atomic number << 58 // from "Stopping Powers for Electrons and Positrons"
55 fZ = Z; << 59 // ICRU Report N#37, 1984 (energy in eV)
56 fZ3 = g4pow->Z13(Z); << 60 static double exc[100] = {
57 fZZ3 = fZ3 * g4pow->Z13(Z + 1); << 61 21.8, 20.9, 13.3, 15.9, 15.2, 13.0, 11.7, 11.9, 11.5, 13.7,
58 flogZ3 = g4pow->logZ(Z) / 3.; << 62 13.6, 13.0, 12.8, 12.4, 11.5, 11.3, 10.2, 10.4, 10.0, 9.6,
59 << 63 10.3, 10.6, 10.7, 10.7, 10.9, 11.0, 11.0, 11.1, 11.1, 11.0,
60 fMeanExcitationEnergy = G4NistManager::Insta << 64 10.8, 10.4, 10.5, 10.2, 9.8, 9.8, 9.8, 9.6, 9.7, 9.8,
61 << 65 10.2, 10.1, 10.0, 10.0, 10.0, 10.2, 10.0, 9.8, 10.0, 9.8,
62 // compute parameters for ion transport << 66 9.5, 9.3, 9.3, 8.9, 8.9, 8.8, 8.8, 8.8, 9.1, 9.1,
63 // The aproximation from: << 67 9.2, 9.3, 9.2, 9.2, 9.4, 9.5, 9.7, 9.7, 9.8, 9.8,
64 // J.F.Ziegler, J.P. Biersack, U. Littmark << 68 9.8, 9.8, 9.8, 9.8, 9.8, 9.8, 9.8, 10.1, 10.0, 10.0,
65 // The Stopping and Range of Ions in Matter, << 69 10.0, 10.0, 9.9, 9.9, 9.7, 9.2, 9.5, 9.4, 9.4, 9.4,
66 // Vol.1, Pergamon Press, 1985 << 70 9.6, 9.7, 9.7, 9.8, 9.8, 9.8, 9.8, 9.9, 9.9, 9.9 };
67 // Fast ions or hadrons << 71
68 << 72 G4int iz = (G4int)Z - 1 ;
69 G4int iz = Z - 1; << 73 if(0 > iz) iz = 0;
70 if (91 < iz) { << 74 else if(99 < iz) iz = 99 ;
71 iz = 91; << 75 fMeanExcitationEnergy = fZ * exc[iz] * eV ;
72 } << 76
73 << 77
74 // clang-format off << 78 fTau0 = 0.1*fZ3*MeV/proton_mass_c2;
75 static const G4double vFermi[92] = { << 79 fTaul = 2.*MeV/proton_mass_c2;
76 1.0309, 0.15976, 0.59782, 1.0781, 1.0486 << 80
77 0.45259, 0.71074, 0.90519, 0.97411, 0.9718 << 81 // compute the Bethe-Bloch formula for energy = fTaul*particle mass
78 0.81707, 0.9943, 1.1423, 1.2381, 1.1222 << 82 G4double rate = fMeanExcitationEnergy/electron_mass_c2 ;
79 0.84912, 0.95, 1.0903, 1.0429, 0.4971 << 83 G4double w = fTaul*(fTaul+2.) ;
80 1.029, 1.2542, 1.122, 1.1241, 1.0882 << 84 fBetheBlochLow = (fTaul+1.)*(fTaul+1.)*std::log(2.*w/rate)/w - 1. ;
81 0.93155, 1.0047, 0.55379, 0.43289, 0.3263 << 85 fBetheBlochLow = 2.*fZ*twopi_mc2_rcl2*fBetheBlochLow ;
82 0.71418, 0.71453, 0.5911, 0.70263, 0.6804 << 86
83 0.71801, 0.83048, 1.1222, 1.2381, 1.045, << 87 fClow = std::sqrt(fTaul)*fBetheBlochLow;
84 0.66401, 0.84912, 0.88433, 0.80746, 0.4335 << 88 fAlow = 6.458040 * fClow/fTau0;
85 1.9578, 1.0257} ; << 89 G4double Taum = 0.035*fZ3*MeV/proton_mass_c2;
86 << 90 fBlow =-3.229020*fClow/(fTau0*std::sqrt(Taum));
87 static const G4double lFactor[92] = { << 91
88 1.0, 1.0, 1.1, 1.06, 1.01, 1.03, 1.04, << 92 // Shell correction factors
89 0.82, 0.81, 0.83, 0.88, 1.0, 0.95, 0.97, << 93 fShellCorrectionVector = new G4double[3];
90 0.98, 0.97, 0.96, 0.93, 0.91, 0.9, 0.88, << 94 rate = 0.001*fMeanExcitationEnergy/eV;
91 0.9, 0.85, 0.9, 0.9, 0.91, 0.92, 0.9, << 95 G4double rate2 = rate*rate;
92 0.9, 0.88, 0.9, 0.88, 0.88, 0.9, 0.9, << 96 /*
93 0.9, 0.9, 0.96, 1.2, 0.9, 0.88, 0.88, << 97 fShellCorrectionVector[0] = ( 1.10289e5 + 5.14781e8*rate)*rate2 ;
94 0.92, 0.95, 0.99, 1.03, 1.05, 1.07, 1.08, << 98 fShellCorrectionVector[1] = ( 7.93805e3 - 2.22565e7*rate)*rate2 ;
95 1.08, 1.08, 1.09, 1.09, 1.1, 1.11, 1.12, << 99 fShellCorrectionVector[2] = (-9.92256e1 + 2.10823e5*rate)*rate2 ;
96 1.17, 1.2, 1.18, 1.17, 1.17, 1.16, 1.16, << 100 */
97 1.16, 1.16} ; << 101 fShellCorrectionVector[0] = ( 0.422377 + 3.858019*rate)*rate2 ;
98 // clang-format on << 102 fShellCorrectionVector[1] = ( 0.0304043 - 0.1667989*rate)*rate2 ;
99 << 103 fShellCorrectionVector[2] = (-0.00038106 + 0.00157955*rate)*rate2 ;
100 fVFermi = vFermi[iz]; << 104 }
101 fLFactor = lFactor[iz]; << 105
102 << 106 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
103 // obsolete parameters for ionisation << 107
104 fTau0 = 0.1 * fZ3 * MeV / proton_mass_c2; << 108 G4IonisParamElm::~G4IonisParamElm()
105 fTaul = 2. * MeV / proton_mass_c2; << 109 {
106 << 110 if (fShellCorrectionVector) delete [] fShellCorrectionVector;
107 // compute the Bethe-Bloch formula for energ << 111 }
108 G4double rate = fMeanExcitationEnergy / elec << 112
109 G4double w = fTaul * (fTaul + 2.); << 113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
110 fBetheBlochLow = (fTaul + 1.) * (fTaul + 1.) << 114
111 fBetheBlochLow = 2. * fZ * twopi_mc2_rcl2 * << 115 G4IonisParamElm::G4IonisParamElm(G4IonisParamElm& right)
112 << 116 {
113 fClow = std::sqrt(fTaul) * fBetheBlochLow; << 117 *this = right;
114 fAlow = 6.458040 * fClow / fTau0; << 118 }
115 G4double Taum = 0.035 * fZ3 * MeV / proton_m << 119
116 fBlow = -3.229020 * fClow / (fTau0 * std::sq << 120 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
117 << 121
118 // Shell correction parameterization << 122 const G4IonisParamElm& G4IonisParamElm::operator=(const G4IonisParamElm& right)
119 fShellCorrectionVector = new G4double[3]; / << 123 {
120 rate = 0.001 * fMeanExcitationEnergy / eV; << 124 if (this != &right)
121 G4double rate2 = rate * rate; << 125 {
122 fShellCorrectionVector[0] = (0.422377 + 3.85 << 126 fZ = right.fZ;
123 fShellCorrectionVector[1] = (0.0304043 - 0.1 << 127 fZ3 = right.fZ3;
124 fShellCorrectionVector[2] = (-0.00038106 + 0 << 128 fZZ3 = right.fZZ3;
>> 129 flogZ3 = right.flogZ3;
>> 130 fTau0 = right.fTau0;
>> 131 fTaul = right.fTaul;
>> 132 fBetheBlochLow = right.fBetheBlochLow;
>> 133 fAlow = right.fAlow;
>> 134 fBlow = right.fBlow;
>> 135 fClow = right.fClow;
>> 136 fMeanExcitationEnergy = right.fMeanExcitationEnergy;
>> 137 if (fShellCorrectionVector) delete [] fShellCorrectionVector;
>> 138 fShellCorrectionVector = new G4double[3];
>> 139 fShellCorrectionVector[0] = right.fShellCorrectionVector[0];
>> 140 fShellCorrectionVector[1] = right.fShellCorrectionVector[1];
>> 141 fShellCorrectionVector[2] = right.fShellCorrectionVector[2];
>> 142 }
>> 143 return *this;
125 } 144 }
126 145
127 //....oooOO0OOooo........oooOO0OOooo........oo 146 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
128 147
129 G4IonisParamElm::~G4IonisParamElm() { delete[] << 148 G4int G4IonisParamElm::operator==(const G4IonisParamElm& right) const
>> 149 {
>> 150 return (this == (G4IonisParamElm *) &right);
>> 151 }
>> 152
>> 153 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 154
>> 155 G4int G4IonisParamElm::operator!=(const G4IonisParamElm& right) const
>> 156 {
>> 157 return (this != (G4IonisParamElm *) &right);
>> 158 }
>> 159
>> 160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
130 161