#include <G4hICRU49Nuclear.hh>
Inheritance diagram for G4hICRU49Nuclear:
Public Member Functions | |
G4hICRU49Nuclear () | |
~G4hICRU49Nuclear () | |
G4double | NuclearStoppingPower (G4double kineticEnergy, G4double z1, G4double z2, G4double m1, G4double m2) const |
Definition at line 57 of file G4hICRU49Nuclear.hh.
G4hICRU49Nuclear::G4hICRU49Nuclear | ( | ) |
G4hICRU49Nuclear::~G4hICRU49Nuclear | ( | ) |
G4double G4hICRU49Nuclear::NuclearStoppingPower | ( | G4double | kineticEnergy, | |
G4double | z1, | |||
G4double | z2, | |||
G4double | m1, | |||
G4double | m2 | |||
) | const [virtual] |
Implements G4VhNuclearStoppingPower.
Definition at line 75 of file G4hICRU49Nuclear.cc.
References G4VhNuclearStoppingPower::lossFlucFlag.
00078 { 00079 G4double energy = kineticEnergy/keV ; // energy in keV 00080 G4double ionloss = 0.0; 00081 00082 G4double rm = (m1 + m2Local) * ( std::pow(z1, .23) + std::pow(z2, .23) ) ; 00083 00084 G4double er = 32.536 * m2Local * energy / ( z1 * z2 * rm ) ; // reduced energy 00085 00086 static G4double a[104][2] = { 00087 { 1.0E+8, 5.831E-8}, 00088 { 8.0E+7, 7.288E-8}, 00089 { 6.0E+7, 9.719E-8}, 00090 { 5.0E+7, 1.166E-7}, 00091 { 4.0E+7, 1.457E-7}, 00092 { 3.0E+7, 1.942E-7}, 00093 { 2.0E+7, 2.916E-7}, 00094 { 1.5E+7, 3.887E-7}, 00095 00096 { 1.0E+7, 5.833E-7}, 00097 { 8.0E+6, 7.287E-7}, 00098 { 6.0E+6, 9.712E-7}, 00099 { 5.0E+6, 1.166E-6}, 00100 { 4.0E+6, 1.457E-6}, 00101 { 3.0E+6, 1.941E-6}, 00102 { 2.0E+6, 2.911E-6}, 00103 { 1.5E+6, 3.878E-6}, 00104 00105 { 1.0E+6, 5.810E-6}, 00106 { 8.0E+5, 7.262E-6}, 00107 { 6.0E+5, 9.663E-6}, 00108 { 5.0E+5, 1.157E-5}, 00109 { 4.0E+5, 1.442E-5}, 00110 { 3.0E+5, 1.913E-5}, 00111 { 2.0E+5, 2.845E-5}, 00112 { 1.5E+5, 3.762E-5}, 00113 00114 { 1.0E+5, 5.554E-5}, 00115 { 8.0E+4, 6.866E-5}, 00116 { 6.0E+4, 9.020E-5}, 00117 { 5.0E+4, 1.070E-4}, 00118 { 4.0E+4, 1.319E-4}, 00119 { 3.0E+4, 1.722E-4}, 00120 { 2.0E+4, 2.499E-4}, 00121 { 1.5E+4, 3.248E-4}, 00122 00123 { 1.0E+4, 4.688E-4}, 00124 { 8.0E+3, 5.729E-4}, 00125 { 6.0E+3, 7.411E-4}, 00126 { 5.0E+3, 8.718E-4}, 00127 { 4.0E+3, 1.063E-3}, 00128 { 3.0E+3, 1.370E-3}, 00129 { 2.0E+3, 1.955E-3}, 00130 { 1.5E+3, 2.511E-3}, 00131 00132 { 1.0E+3, 3.563E-3}, 00133 { 8.0E+2, 4.314E-3}, 00134 { 6.0E+2, 5.511E-3}, 00135 { 5.0E+2, 6.430E-3}, 00136 { 4.0E+2, 7.756E-3}, 00137 { 3.0E+2, 9.855E-3}, 00138 { 2.0E+2, 1.375E-2}, 00139 { 1.5E+2, 1.736E-2}, 00140 00141 { 1.0E+2, 2.395E-2}, 00142 { 8.0E+1, 2.850E-2}, 00143 { 6.0E+1, 3.552E-2}, 00144 { 5.0E+1, 4.073E-2}, 00145 { 4.0E+1, 4.802E-2}, 00146 { 3.0E+1, 5.904E-2}, 00147 { 1.5E+1, 9.426E-2}, 00148 00149 { 1.0E+1, 1.210E-1}, 00150 { 8.0E+0, 1.377E-1}, 00151 { 6.0E+0, 1.611E-1}, 00152 { 5.0E+0, 1.768E-1}, 00153 { 4.0E+0, 1.968E-1}, 00154 { 3.0E+0, 2.235E-1}, 00155 { 2.0E+0, 2.613E-1}, 00156 { 1.5E+0, 2.871E-1}, 00157 00158 { 1.0E+0, 3.199E-1}, 00159 { 8.0E-1, 3.354E-1}, 00160 { 6.0E-1, 3.523E-1}, 00161 { 5.0E-1, 3.609E-1}, 00162 { 4.0E-1, 3.693E-1}, 00163 { 3.0E-1, 3.766E-1}, 00164 { 2.0E-1, 3.803E-1}, 00165 { 1.5E-1, 3.788E-1}, 00166 00167 { 1.0E-1, 3.711E-1}, 00168 { 8.0E-2, 3.644E-1}, 00169 { 6.0E-2, 3.530E-1}, 00170 { 5.0E-2, 3.444E-1}, 00171 { 4.0E-2, 3.323E-1}, 00172 { 3.0E-2, 3.144E-1}, 00173 { 2.0E-2, 2.854E-1}, 00174 { 1.5E-2, 2.629E-1}, 00175 00176 { 1.0E-2, 2.298E-1}, 00177 { 8.0E-3, 2.115E-1}, 00178 { 6.0E-3, 1.883E-1}, 00179 { 5.0E-3, 1.741E-1}, 00180 { 4.0E-3, 1.574E-1}, 00181 { 3.0E-3, 1.372E-1}, 00182 { 2.0E-3, 1.116E-1}, 00183 { 1.5E-3, 9.559E-2}, 00184 00185 { 1.0E-3, 7.601E-2}, 00186 { 8.0E-4, 6.668E-2}, 00187 { 6.0E-4, 5.605E-2}, 00188 { 5.0E-4, 5.008E-2}, 00189 { 4.0E-4, 4.352E-2}, 00190 { 3.0E-4, 3.617E-2}, 00191 { 2.0E-4, 2.768E-2}, 00192 { 1.5E-4, 2.279E-2}, 00193 00194 { 1.0E-4, 1.723E-2}, 00195 { 8.0E-5, 1.473E-2}, 00196 { 6.0E-5, 1.200E-2}, 00197 { 5.0E-5, 1.052E-2}, 00198 { 4.0E-5, 8.950E-3}, 00199 { 3.0E-5, 7.246E-3}, 00200 { 2.0E-5, 5.358E-3}, 00201 { 1.5E-5, 4.313E-3}, 00202 { 0.0, 3.166E-3} 00203 }; 00204 00205 for (G4int i=1; i<104; i++) 00206 { 00207 if (er > a[i][0]) { 00208 ionloss = 00209 (a[i][1]-a[i-1][1])*(er-a[i-1][0])/(a[i][0]-a[i-1][0])+a[i-1][1]; 00210 break; 00211 } 00212 } 00213 00214 // Stragling 00215 if(lossFlucFlag) { 00216 G4double sig = 4.0 * m1 * m2Local / ((m1 + m2Local)*(m1 + m2Local)* 00217 (4.0 + 0.197*std::pow(er,-1.6991)+6.584*std::pow(er,-1.0494))) ; 00218 00219 ionloss *= G4RandGauss::shoot(1.0,sig) ; 00220 } 00221 00222 ionloss *= 8.462 * z1 * z2 * m1 / rm ; // Return to [ev/(10^15 atoms/cm^2] 00223 00224 if ( ionloss < 0.0) ionloss = 0.0 ; 00225 00226 return ionloss; 00227 }