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Geant4/materials/src/G4IonisParamElm.cc

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Diff markup

Differences between /materials/src/G4IonisParamElm.cc (Version 11.3.0) and /materials/src/G4IonisParamElm.cc (Version 6.2)


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 17 // *                                               15 // *                                                                  *
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 24 // *******************************************     21 // ********************************************************************
 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 1.8 2002/10/17 09:00:29 vnivanch Exp $
 28 //           the ICRU Report N#37. V.Ivanchenk <<  25 // GEANT4 tag $Name: geant4-05-02-patch-01 $
 29 // 08-03-01, correct handling of fShellCorrect <<  26 //
                                                   >>  27 //
                                                   >>  28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
                                                   >>  29 //
 30 // 17-10-02, Fix excitation energy interpolati     30 // 17-10-02, Fix excitation energy interpolation. V.Ivanchenko
 31 // 06-09-04, Update calculated values after an <<  31 // 08-03-01, correct handling of fShellCorrectionVector. M.Maire
 32 //           potential change. V.Ivanchenko    <<  32 // 22-11-00, tabulation of ionisation potential from 
 33 // 29-04-10, Using G4Pow and mean ionisation e <<  33 //           the ICRU Report N#37. V.Ivanchenko
 34 // 27.10.11: new scheme for G4Exception  (mma) <<  34 // 09-07-98, data moved from G4Element. M.Maire
                                                   >>  35 //
                                                   >>  36 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
 35                                                    37 
 36 #include "G4IonisParamElm.hh"                      38 #include "G4IonisParamElm.hh"
 37                                                    39 
 38 #include "G4NistManager.hh"                    <<  40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
 39 #include "G4PhysicalConstants.hh"              <<  41 
 40 #include "G4Pow.hh"                            <<  42 G4IonisParamElm::G4IonisParamElm(G4double Z)
 41 #include "G4SystemOfUnits.hh"                  <<  43 {
 42                                                <<  44     if (Z < 1.) G4Exception
 43 //....oooOO0OOooo........oooOO0OOooo........oo <<  45       (" ERROR! It is not allowed to create an Element with Z < 1" );
 44                                                <<  46     
 45 G4IonisParamElm::G4IonisParamElm(G4double Atom <<  47     // some basic functions of the atomic number
 46 {                                              <<  48     fZ = Z;
 47   G4int Z = G4lrint(AtomNumber);               <<  49     fZ3  = pow(fZ, 1./3.);
 48   if (Z < 1) {                                 <<  50     fZZ3 = pow(fZ*(fZ+1.), 1./3.);
 49     G4Exception("G4IonisParamElm::G4IonisParam <<  51     flogZ3 = log(fZ)/3.;
 50       "It is not allowed to create an Element  <<  52    
 51   }                                            <<  53      // Parameters for energy loss by ionisation   
 52   G4Pow* g4pow = G4Pow::GetInstance();         <<  54 
 53                                                <<  55      // Mean excitation energy
 54   // some basic functions of the atomic number <<  56      // from "Stopping Powers for Electrons and Positrons"
 55   fZ = Z;                                      <<  57      // ICRU Report N#37, 1984  (energy in eV)
 56   fZ3 = g4pow->Z13(Z);                         <<  58     static double exc[100] = { 
 57   fZZ3 = fZ3 * g4pow->Z13(Z + 1);              <<  59     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.;                <<  60     13.6, 13.0, 12.8, 12.4, 11.5, 11.3, 10.2, 10.4, 10.0,  9.6,
 59                                                <<  61     10.3, 10.6, 10.7, 10.7, 10.9, 11.0, 11.0, 11.1, 11.1, 11.0,
 60   fMeanExcitationEnergy = G4NistManager::Insta <<  62     10.8, 10.4, 10.5, 10.2,  9.8,  9.8,  9.8,  9.6,  9.7,  9.8,
 61                                                <<  63     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      <<  64      9.5,  9.3,  9.3,  8.9,  8.9,  8.8,  8.8,  8.8,  9.1,  9.1,
 63   // The aproximation from:                    <<  65      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   <<  66      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, <<  67     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               <<  68      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                      <<  69 
 68                                                <<  70     G4int iz = (G4int)Z - 1 ;
 69   G4int iz = Z - 1;                            <<  71     if(0  > iz) iz = 0;
 70   if (91 < iz) {                               <<  72     else if(99 < iz) iz = 99 ;
 71     iz = 91;                                   <<  73     fMeanExcitationEnergy = fZ * exc[iz] * eV ;
 72   }                                            <<  74 
 73                                                <<  75 
 74   // clang-format off                          <<  76     fTau0 = 0.1*fZ3*MeV/proton_mass_c2;
 75   static const G4double vFermi[92] = {         <<  77     fTaul = 2.*MeV/proton_mass_c2;
 76     1.0309,  0.15976, 0.59782, 1.0781,  1.0486 <<  78 
 77     0.45259, 0.71074, 0.90519, 0.97411, 0.9718 <<  79     // compute the Bethe-Bloch formula for energy = fTaul*particle mass
 78     0.81707, 0.9943,  1.1423,  1.2381,  1.1222 <<  80     G4double rate = fMeanExcitationEnergy/electron_mass_c2 ;
 79     0.84912, 0.95,    1.0903,  1.0429,  0.4971 <<  81     G4double w = fTaul*(fTaul+2.) ;
 80     1.029,   1.2542,  1.122,   1.1241,  1.0882 <<  82     fBetheBlochLow = (fTaul+1.)*(fTaul+1.)*log(2.*w/rate)/w - 1. ;
 81     0.93155, 1.0047,  0.55379, 0.43289, 0.3263 <<  83     fBetheBlochLow = 2.*fZ*twopi_mc2_rcl2*fBetheBlochLow ; 
 82     0.71418, 0.71453, 0.5911,  0.70263, 0.6804 <<  84   
 83     0.71801, 0.83048, 1.1222,  1.2381,  1.045, <<  85     fClow = sqrt(fTaul)*fBetheBlochLow;
 84     0.66401, 0.84912, 0.88433, 0.80746, 0.4335 <<  86     fAlow = 6.458040 * fClow/fTau0;
 85     1.9578,  1.0257} ;                         <<  87     G4double Taum = 0.035*fZ3*MeV/proton_mass_c2;
 86                                                <<  88     fBlow =-3.229020*fClow/(fTau0*sqrt(Taum));
 87   static const G4double lFactor[92] = {        <<  89 
 88     1.0,  1.0,  1.1,  1.06, 1.01, 1.03, 1.04,  <<  90     // Shell correction factors
 89     0.82, 0.81, 0.83, 0.88, 1.0,  0.95, 0.97,  <<  91     fShellCorrectionVector = new G4double[3];
 90     0.98, 0.97, 0.96, 0.93, 0.91, 0.9,  0.88,  <<  92     G4double rate2 = rate*rate;
 91     0.9,  0.85, 0.9,  0.9,  0.91, 0.92, 0.9,   <<  93     
 92     0.9,  0.88, 0.9,  0.88, 0.88, 0.9,  0.9,   <<  94     fShellCorrectionVector[0] = ( 1.10289e5 + 5.14781e8*rate)*rate2 ;
 93     0.9,  0.9,  0.96, 1.2,  0.9,  0.88, 0.88,  <<  95     fShellCorrectionVector[1] = ( 7.93805e3 - 2.22565e7*rate)*rate2 ;
 94     0.92, 0.95, 0.99, 1.03, 1.05, 1.07, 1.08,  <<  96     fShellCorrectionVector[2] = (-9.92256e1 + 2.10823e5*rate)*rate2 ;
 95     1.08, 1.08, 1.09, 1.09, 1.1,  1.11, 1.12,  <<  97 }
 96     1.17, 1.2,  1.18, 1.17, 1.17, 1.16, 1.16,  <<  98 
 97     1.16, 1.16} ;                              <<  99 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
 98   // clang-format on                           << 100 
 99                                                << 101 G4IonisParamElm::~G4IonisParamElm()
100   fVFermi = vFermi[iz];                        << 102 {
101   fLFactor = lFactor[iz];                      << 103   if (fShellCorrectionVector) delete [] fShellCorrectionVector; 
102                                                << 104 }
103   // obsolete parameters for ionisation        << 105 
104   fTau0 = 0.1 * fZ3 * MeV / proton_mass_c2;    << 106 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
105   fTaul = 2. * MeV / proton_mass_c2;           << 107 
106                                                << 108 G4IonisParamElm::G4IonisParamElm(G4IonisParamElm& right)
107   // compute the Bethe-Bloch formula for energ << 109 {
108   G4double rate = fMeanExcitationEnergy / elec << 110   *this = right;
109   G4double w = fTaul * (fTaul + 2.);           << 111 }
110   fBetheBlochLow = (fTaul + 1.) * (fTaul + 1.) << 112 
111   fBetheBlochLow = 2. * fZ * twopi_mc2_rcl2 *  << 113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
112                                                << 114 
113   fClow = std::sqrt(fTaul) * fBetheBlochLow;   << 115 const G4IonisParamElm& G4IonisParamElm::operator=(const G4IonisParamElm& right)
114   fAlow = 6.458040 * fClow / fTau0;            << 116 {
115   G4double Taum = 0.035 * fZ3 * MeV / proton_m << 117   if (this != &right)
116   fBlow = -3.229020 * fClow / (fTau0 * std::sq << 118     {
117                                                << 119       fZ                     = right.fZ;
118   // Shell correction parameterization         << 120       fZ3                    = right.fZ3;
119   fShellCorrectionVector = new G4double[3];  / << 121       fZZ3                   = right.fZZ3;
120   rate = 0.001 * fMeanExcitationEnergy / eV;   << 122       flogZ3                 = right.flogZ3;
121   G4double rate2 = rate * rate;                << 123       fTau0                  = right.fTau0;
122   fShellCorrectionVector[0] = (0.422377 + 3.85 << 124       fTaul                  = right.fTaul;
123   fShellCorrectionVector[1] = (0.0304043 - 0.1 << 125       fBetheBlochLow         = right.fBetheBlochLow;
124   fShellCorrectionVector[2] = (-0.00038106 + 0 << 126       fAlow                  = right.fAlow;
                                                   >> 127       fBlow                  = right.fBlow;
                                                   >> 128       fClow                  = right.fClow;
                                                   >> 129       fMeanExcitationEnergy  = right.fMeanExcitationEnergy;
                                                   >> 130       if (fShellCorrectionVector) delete [] fShellCorrectionVector;             
                                                   >> 131       fShellCorrectionVector = new G4double[3];            
                                                   >> 132       fShellCorrectionVector[0] = right.fShellCorrectionVector[0];
                                                   >> 133       fShellCorrectionVector[1] = right.fShellCorrectionVector[1];
                                                   >> 134       fShellCorrectionVector[2] = right.fShellCorrectionVector[2];      
                                                   >> 135      } 
                                                   >> 136   return *this;
                                                   >> 137 }
                                                   >> 138 
                                                   >> 139 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
                                                   >> 140 
                                                   >> 141 G4int G4IonisParamElm::operator==(const G4IonisParamElm& right) const
                                                   >> 142 {
                                                   >> 143   return (this == (G4IonisParamElm *) &right);
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....
130                                                   154