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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/processes/hadronic/util/include/G4EffectiveCharge.hh
+12 -12
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@@ -121,7 +121,7 @@ inline G4double G4EffectiveCharge::GetCharge(const G4Material* material, G4doubl
if( ionCharge < 2.5 )
{
G4double theHeMassAMU(4.0026);
G4double e = log(std::max(1.0, kineticEnergy / (keV*theHeMassAMU) )) ;
G4double e = std::log(std::max(1.0, kineticEnergy / (keV*theHeMassAMU) )) ;
G4double x = c[0] ;
G4double y = 1.0 ;
for (G4int i=1; i<6; i++)
@@ -130,8 +130,8 @@ inline G4double G4EffectiveCharge::GetCharge(const G4Material* material, G4doubl
x += y * c[i] ;
}
G4double q = 7.6 - e ;
q = 1.0 + ( 0.007 + 0.00005 * z ) * exp( -q*q ) ;
return sqrt(4.0 * q * q * (1.0 - exp(-x))) ;
q = 1.0 + ( 0.007 + 0.00005 * z ) * std::exp( -q*q ) ;
return std::sqrt(4.0 * q * q * (1.0 - std::exp(-x))) ;
// Heavy ion case
}
@@ -139,9 +139,9 @@ inline G4double G4EffectiveCharge::GetCharge(const G4Material* material, G4doubl
{
// v1 is ion velocity in vF unit
G4double v1 = sqrt( reducedEnergy / (25.0 * keV) )/ vF ;
G4double v1 = std::sqrt( reducedEnergy / (25.0 * keV) )/ vF ;
G4double y ;
G4double z13 = pow(ionCharge, 0.3333) ;
G4double z13 = std::pow(ionCharge, 0.3333) ;
// Faster than Fermi velocity
if ( v1 > 1.0 )
@@ -155,23 +155,23 @@ inline G4double G4EffectiveCharge::GetCharge(const G4Material* material, G4doubl
y = 0.6923 * vF * (1.0 + 2.0*v1*v1/3.0 + v1*v1*v1*v1/15.0) / (z13*z13) ;
}
G4double y3 = pow(y, 0.3) ;
G4double q = 1.0 - exp( 0.803*y3 - 1.3167*y3*y3 -
G4double y3 = std::pow(y, 0.3) ;
G4double q = 1.0 - std::exp( 0.803*y3 - 1.3167*y3*y3 -
0.38157*y - 0.008983*y*y ) ;
if( q < 0.0 ) q = 0.0 ;
G4double s = 7.6 - log(std::max(1.0, reducedEnergy/keV)) ;
s = 1.0 + ( 0.18 + 0.0015 * z ) * exp( -s*s )/ (ionCharge*ionCharge) ;
G4double s = 7.6 - std::log(std::max(1.0, reducedEnergy/keV)) ;
s = 1.0 + ( 0.18 + 0.0015 * z ) * std::exp( -s*s )/ (ionCharge*ionCharge) ;
// Screen length according to
// J.F.Ziegler and J.M.Manoyan, The stopping of ions in compaunds,
// Nucl. Inst. & Meth. in Phys. Res. B35 (1988) 215-228.
G4double lambda = 10.0 * vF * pow(1.0-q, 0.6667) / (z13 * (6.0 + q)) ;
G4double lambda = 10.0 * vF * std::pow(1.0-q, 0.6667) / (z13 * (6.0 + q)) ;
G4double qeff = ionCharge * s *
( q + 0.5*(1.0-q) * log(1.0 + lambda*lambda) / (vF*vF) ) ;
( q + 0.5*(1.0-q) * std::log(1.0 + lambda*lambda) / (vF*vF) ) ;
if( 1.0 > qeff ) qeff = 1.0 ;
return sqrt(qeff) ;
return std::sqrt(qeff) ;
}
}