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25 << 25 //
26 // 09-07-98, data moved from G4Element. M.Mair << 26 //
27 // 22-11-00, tabulation of ionisation potentia << 27 // $Id: G4IonisParamElm.cc,v 1.14 2006/06/29 19:12:43 gunter Exp $
28 // the ICRU Report N#37. V.Ivanchenk << 28 // GEANT4 tag $Name: geant4-09-00 $
29 // 08-03-01, correct handling of fShellCorrect << 29 //
30 // 17-10-02, Fix excitation energy interpolati << 30 //
31 // 06-09-04, Update calculated values after an << 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 32 //
>> 33 // 06-09-04, Update calculated values after any change of ionisation
32 // potential change. V.Ivanchenko 34 // potential change. V.Ivanchenko
33 // 29-04-10, Using G4Pow and mean ionisation e << 35 // 17-10-02, Fix excitation energy interpolation. V.Ivanchenko
34 // 27.10.11: new scheme for G4Exception (mma) << 36 // 08-03-01, correct handling of fShellCorrectionVector. M.Maire
>> 37 // 22-11-00, tabulation of ionisation potential from
>> 38 // the ICRU Report N#37. V.Ivanchenko
>> 39 // 09-07-98, data moved from G4Element. M.Maire
>> 40 //
>> 41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
35 42
36 #include "G4IonisParamElm.hh" 43 #include "G4IonisParamElm.hh"
37 44
38 #include "G4NistManager.hh" << 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
39 #include "G4PhysicalConstants.hh" << 46
40 #include "G4Pow.hh" << 47 G4IonisParamElm::G4IonisParamElm(G4double Z)
41 #include "G4SystemOfUnits.hh" << 48 {
42 << 49 if (Z < 1.) G4Exception
43 //....oooOO0OOooo........oooOO0OOooo........oo << 50 (" ERROR! It is not allowed to create an Element with Z < 1" );
44 << 51
45 G4IonisParamElm::G4IonisParamElm(G4double Atom << 52 // some basic functions of the atomic number
46 { << 53 fZ = Z;
47 G4int Z = G4lrint(AtomNumber); << 54 fZ3 = std::pow(fZ, 1./3.);
48 if (Z < 1) { << 55 fZZ3 = std::pow(fZ*(fZ+1.), 1./3.);
49 G4Exception("G4IonisParamElm::G4IonisParam << 56 flogZ3 = std::log(fZ)/3.;
50 "It is not allowed to create an Element << 57
51 } << 58 // Parameters for energy loss by ionisation
52 G4Pow* g4pow = G4Pow::GetInstance(); << 59
53 << 60 // Mean excitation energy
54 // some basic functions of the atomic number << 61 // from "Stopping Powers for Electrons and Positrons"
55 fZ = Z; << 62 // ICRU Report N#37, 1984 (energy in eV)
56 fZ3 = g4pow->Z13(Z); << 63 static double exc[100] = {
57 fZZ3 = fZ3 * g4pow->Z13(Z + 1); << 64 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.; << 65 13.6, 13.0, 12.8, 12.4, 11.5, 11.3, 10.2, 10.4, 10.0, 9.6,
59 << 66 10.3, 10.6, 10.7, 10.7, 10.9, 11.0, 11.0, 11.1, 11.1, 11.0,
60 fMeanExcitationEnergy = G4NistManager::Insta << 67 10.8, 10.4, 10.5, 10.2, 9.8, 9.8, 9.8, 9.6, 9.7, 9.8,
61 << 68 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 << 69 9.5, 9.3, 9.3, 8.9, 8.9, 8.8, 8.8, 8.8, 9.1, 9.1,
63 // The aproximation from: << 70 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 << 71 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, << 72 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 << 73 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 << 74
68 << 75 G4int iz = (G4int)Z - 1 ;
69 G4int iz = Z - 1; << 76 if(0 > iz) iz = 0;
70 if (91 < iz) { << 77 else if(99 < iz) iz = 99 ;
71 iz = 91; << 78 fMeanExcitationEnergy = fZ * exc[iz] * eV ;
72 } << 79
73 << 80
74 // clang-format off << 81 fTau0 = 0.1*fZ3*MeV/proton_mass_c2;
75 static const G4double vFermi[92] = { << 82 fTaul = 2.*MeV/proton_mass_c2;
76 1.0309, 0.15976, 0.59782, 1.0781, 1.0486 << 83
77 0.45259, 0.71074, 0.90519, 0.97411, 0.9718 << 84 // compute the Bethe-Bloch formula for energy = fTaul*particle mass
78 0.81707, 0.9943, 1.1423, 1.2381, 1.1222 << 85 G4double rate = fMeanExcitationEnergy/electron_mass_c2 ;
79 0.84912, 0.95, 1.0903, 1.0429, 0.4971 << 86 G4double w = fTaul*(fTaul+2.) ;
80 1.029, 1.2542, 1.122, 1.1241, 1.0882 << 87 fBetheBlochLow = (fTaul+1.)*(fTaul+1.)*std::log(2.*w/rate)/w - 1. ;
81 0.93155, 1.0047, 0.55379, 0.43289, 0.3263 << 88 fBetheBlochLow = 2.*fZ*twopi_mc2_rcl2*fBetheBlochLow ;
82 0.71418, 0.71453, 0.5911, 0.70263, 0.6804 << 89
83 0.71801, 0.83048, 1.1222, 1.2381, 1.045, << 90 fClow = std::sqrt(fTaul)*fBetheBlochLow;
84 0.66401, 0.84912, 0.88433, 0.80746, 0.4335 << 91 fAlow = 6.458040 * fClow/fTau0;
85 1.9578, 1.0257} ; << 92 G4double Taum = 0.035*fZ3*MeV/proton_mass_c2;
86 << 93 fBlow =-3.229020*fClow/(fTau0*std::sqrt(Taum));
87 static const G4double lFactor[92] = { << 94
88 1.0, 1.0, 1.1, 1.06, 1.01, 1.03, 1.04, << 95 // Shell correction factors
89 0.82, 0.81, 0.83, 0.88, 1.0, 0.95, 0.97, << 96 fShellCorrectionVector = new G4double[3]; //[3]
90 0.98, 0.97, 0.96, 0.93, 0.91, 0.9, 0.88, << 97 rate = 0.001*fMeanExcitationEnergy/eV;
91 0.9, 0.85, 0.9, 0.9, 0.91, 0.92, 0.9, << 98 G4double rate2 = rate*rate;
92 0.9, 0.88, 0.9, 0.88, 0.88, 0.9, 0.9, << 99 /*
93 0.9, 0.9, 0.96, 1.2, 0.9, 0.88, 0.88, << 100 fShellCorrectionVector[0] = ( 1.10289e5 + 5.14781e8*rate)*rate2 ;
94 0.92, 0.95, 0.99, 1.03, 1.05, 1.07, 1.08, << 101 fShellCorrectionVector[1] = ( 7.93805e3 - 2.22565e7*rate)*rate2 ;
95 1.08, 1.08, 1.09, 1.09, 1.1, 1.11, 1.12, << 102 fShellCorrectionVector[2] = (-9.92256e1 + 2.10823e5*rate)*rate2 ;
96 1.17, 1.2, 1.18, 1.17, 1.17, 1.16, 1.16, << 103 */
97 1.16, 1.16} ; << 104 fShellCorrectionVector[0] = ( 0.422377 + 3.858019*rate)*rate2 ;
98 // clang-format on << 105 fShellCorrectionVector[1] = ( 0.0304043 - 0.1667989*rate)*rate2 ;
99 << 106 fShellCorrectionVector[2] = (-0.00038106 + 0.00157955*rate)*rate2 ;
100 fVFermi = vFermi[iz]; << 107 }
101 fLFactor = lFactor[iz]; << 108
102 << 109 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
103 // obsolete parameters for ionisation << 110
104 fTau0 = 0.1 * fZ3 * MeV / proton_mass_c2; << 111 // Fake default constructor - sets only member data and allocates memory
105 fTaul = 2. * MeV / proton_mass_c2; << 112 // for usage restricted to object persistency
106 << 113
107 // compute the Bethe-Bloch formula for energ << 114 G4IonisParamElm::G4IonisParamElm(__void__&)
108 G4double rate = fMeanExcitationEnergy / elec << 115 : fShellCorrectionVector(0)
109 G4double w = fTaul * (fTaul + 2.); << 116 {
110 fBetheBlochLow = (fTaul + 1.) * (fTaul + 1.) << 117 }
111 fBetheBlochLow = 2. * fZ * twopi_mc2_rcl2 * << 118
112 << 119 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
113 fClow = std::sqrt(fTaul) * fBetheBlochLow; << 120
114 fAlow = 6.458040 * fClow / fTau0; << 121 G4IonisParamElm::~G4IonisParamElm()
115 G4double Taum = 0.035 * fZ3 * MeV / proton_m << 122 {
116 fBlow = -3.229020 * fClow / (fTau0 * std::sq << 123 if (fShellCorrectionVector) delete [] fShellCorrectionVector;
117 << 124 }
118 // Shell correction parameterization << 125
119 fShellCorrectionVector = new G4double[3]; / << 126 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
120 rate = 0.001 * fMeanExcitationEnergy / eV; << 127
121 G4double rate2 = rate * rate; << 128 G4IonisParamElm::G4IonisParamElm(G4IonisParamElm& right)
122 fShellCorrectionVector[0] = (0.422377 + 3.85 << 129 {
123 fShellCorrectionVector[1] = (0.0304043 - 0.1 << 130 *this = right;
124 fShellCorrectionVector[2] = (-0.00038106 + 0 << 131 }
>> 132
>> 133 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 134
>> 135 const G4IonisParamElm& G4IonisParamElm::operator=(const G4IonisParamElm& right)
>> 136 {
>> 137 if (this != &right)
>> 138 {
>> 139 fZ = right.fZ;
>> 140 fZ3 = right.fZ3;
>> 141 fZZ3 = right.fZZ3;
>> 142 flogZ3 = right.flogZ3;
>> 143 fTau0 = right.fTau0;
>> 144 fTaul = right.fTaul;
>> 145 fBetheBlochLow = right.fBetheBlochLow;
>> 146 fAlow = right.fAlow;
>> 147 fBlow = right.fBlow;
>> 148 fClow = right.fClow;
>> 149 fMeanExcitationEnergy = right.fMeanExcitationEnergy;
>> 150 if (fShellCorrectionVector) delete [] fShellCorrectionVector;
>> 151 fShellCorrectionVector = new G4double[3];
>> 152 fShellCorrectionVector[0] = right.fShellCorrectionVector[0];
>> 153 fShellCorrectionVector[1] = right.fShellCorrectionVector[1];
>> 154 fShellCorrectionVector[2] = right.fShellCorrectionVector[2];
>> 155 }
>> 156 return *this;
125 } 157 }
126 158
127 //....oooOO0OOooo........oooOO0OOooo........oo 159 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
128 160
129 G4IonisParamElm::~G4IonisParamElm() { delete[] << 161 G4int G4IonisParamElm::operator==(const G4IonisParamElm& right) const
>> 162 {
>> 163 return (this == (G4IonisParamElm *) &right);
>> 164 }
>> 165
>> 166 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
>> 167
>> 168 G4int G4IonisParamElm::operator!=(const G4IonisParamElm& right) const
>> 169 {
>> 170 return (this != (G4IonisParamElm *) &right);
>> 171 }
>> 172
>> 173 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
130 174