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This commit is contained in:
Gabriele Cosmo
2016-06-09 11:11:55 +02:00
parent e083ffb441
commit 516dbf1a58
5914 changed files with 202605 additions and 71141 deletions
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source/materials/src/G4IonisParamElm.cc
+16 -9
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@@ -21,12 +21,14 @@
// ********************************************************************
//
//
// $Id: G4IonisParamElm.cc,v 1.8 2002/10/17 09:00:29 vnivanch Exp $
// GEANT4 tag $Name: geant4-05-02-patch-01 $
// $Id: G4IonisParamElm.cc,v 1.11 2004/12/07 08:50:03 gcosmo Exp $
// GEANT4 tag $Name: geant4-07-00-cand-03 $
//
//
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....
//
// 06-09-04, Update calculated values after any change of ionisation
// potential change. V.Ivanchenko
// 17-10-02, Fix excitation energy interpolation. V.Ivanchenko
// 08-03-01, correct handling of fShellCorrectionVector. M.Maire
// 22-11-00, tabulation of ionisation potential from
@@ -46,9 +48,9 @@ G4IonisParamElm::G4IonisParamElm(G4double Z)
// some basic functions of the atomic number
fZ = Z;
fZ3 = pow(fZ, 1./3.);
fZZ3 = pow(fZ*(fZ+1.), 1./3.);
flogZ3 = log(fZ)/3.;
fZ3 = std::pow(fZ, 1./3.);
fZZ3 = std::pow(fZ*(fZ+1.), 1./3.);
flogZ3 = std::log(fZ)/3.;
// Parameters for energy loss by ionisation
@@ -79,21 +81,26 @@ G4IonisParamElm::G4IonisParamElm(G4double Z)
// compute the Bethe-Bloch formula for energy = fTaul*particle mass
G4double rate = fMeanExcitationEnergy/electron_mass_c2 ;
G4double w = fTaul*(fTaul+2.) ;
fBetheBlochLow = (fTaul+1.)*(fTaul+1.)*log(2.*w/rate)/w - 1. ;
fBetheBlochLow = (fTaul+1.)*(fTaul+1.)*std::log(2.*w/rate)/w - 1. ;
fBetheBlochLow = 2.*fZ*twopi_mc2_rcl2*fBetheBlochLow ;
fClow = sqrt(fTaul)*fBetheBlochLow;
fClow = std::sqrt(fTaul)*fBetheBlochLow;
fAlow = 6.458040 * fClow/fTau0;
G4double Taum = 0.035*fZ3*MeV/proton_mass_c2;
fBlow =-3.229020*fClow/(fTau0*sqrt(Taum));
fBlow =-3.229020*fClow/(fTau0*std::sqrt(Taum));
// Shell correction factors
fShellCorrectionVector = new G4double[3];
rate = 0.001*fMeanExcitationEnergy/eV;
G4double rate2 = rate*rate;
/*
fShellCorrectionVector[0] = ( 1.10289e5 + 5.14781e8*rate)*rate2 ;
fShellCorrectionVector[1] = ( 7.93805e3 - 2.22565e7*rate)*rate2 ;
fShellCorrectionVector[2] = (-9.92256e1 + 2.10823e5*rate)*rate2 ;
*/
fShellCorrectionVector[0] = ( 0.422377 + 3.858019*rate)*rate2 ;
fShellCorrectionVector[1] = ( 0.0304043 - 0.1667989*rate)*rate2 ;
fShellCorrectionVector[2] = (-0.00038106 + 0.00157955*rate)*rate2 ;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... ....oooOO0OOooo....