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This commit is contained in:
Gabriele Cosmo
2016-06-08 16:10:37 +02:00
parent 137e303ecc
commit 36c080dca6
3464 changed files with 119310 additions and 52696 deletions
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source/processes/electromagnetic/muons/src/G4MuPairProduction.cc
+40 -21
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@@ -1,18 +1,32 @@
// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
// ********************************************************************
// * DISCLAIMER *
// * *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
// * govern, are listed with their locations in: *
// * http://cern.ch/geant4/license *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. *
// * *
// * This code implementation is the intellectual property of the *
// * GEANT4 collaboration. *
// * By copying, distributing or modifying the Program (or any work *
// * based on the Program) you indicate your acceptance of this *
// * statement, and all its terms. *
// ********************************************************************
//
// $Id: G4MuPairProduction.cc,v 1.16 2001/02/05 17:50:29 gcosmo Exp $
// GEANT4 tag $Name: geant4-03-01 $
//
// $Id: G4MuPairProduction.cc,v 1.17.2.2 2001/06/28 20:19:45 gunter Exp $
// GEANT4 tag $Name: $
//
// --------------------------------------------------------------
// GEANT 4 class implementation file
//
// For information related to this code contact:
// CERN, CN Division, ASD group
// History: first implementation, based on object model of
// 2nd December 1995, G.Cosmo
// -------- G4MuPairProduction physics process ---------
@@ -22,6 +36,7 @@
// 26/10/98, new stuff from R. Kokoulin + cleanup , L.Urban
// 06/05/99 , bug fixed , L.Urban
// 10/02/00 modifications+bug fix , new e.m. structure, L.Urban
// 29/05/01 V.Ivanchenko minor changes to provide ANSI -wall compilation
// --------------------------------------------------------------
#include "G4MuPairProduction.hh"
@@ -35,8 +50,10 @@ G4double G4MuPairProduction::zdat[]={1.,4.,13.,26.,92.};
G4int G4MuPairProduction::ntdat = 8 ;
G4double G4MuPairProduction::tdat[]={1.e3,1.e4,1.e5,1.e6,1.e7,1.e8,1.e9,1.e10};
G4int G4MuPairProduction::NBIN = 1000 ; //100 ;
G4double G4MuPairProduction::ya[1001]={0.};
G4double G4MuPairProduction::proba[5][8][1001]={0.};
//G4double G4MuPairProduction::ya[1001]={0.};
//G4double G4MuPairProduction::proba[5][8][1001]={0.};
G4double G4MuPairProduction::ya[1001];
G4double G4MuPairProduction::proba[5][8][1001];
G4double G4MuPairProduction::MinPairEnergy = 4.*electron_mass_c2 ;
G4double G4MuPairProduction::LowerBoundLambda = 1.*keV ;
@@ -242,7 +259,7 @@ void G4MuPairProduction::BuildLambdaTable(
PartialSumSigma.resize(G4Material::GetNumberOfMaterials());
G4PhysicsLogVector* ptrVector;
for ( G4int J=0 ; J < G4Material::GetNumberOfMaterials(); J++ )
for ( size_t J=0 ; J < G4Material::GetNumberOfMaterials(); J++ )
{
ptrVector = new G4PhysicsLogVector(
LowerBoundLambda,UpperBoundLambda,NbinLambda);
@@ -374,7 +391,7 @@ void G4MuPairProduction::MakeSamplingTables(
G4double CrossSection = 0.0 ;
G4int NbofIntervals ;
//G4int NbofIntervals ;
c = log(MaxPairEnergy/MinPairEnergy) ;
ymin = -5. ;
@@ -627,7 +644,7 @@ G4VParticleChange* G4MuPairProduction::PostStepDoIt(const G4Track& trackData,
// limits of the energy sampling
G4double TotalEnergy = KineticEnergy + ParticleMass ;
G4double TotalMomentum = sqrt(KineticEnergy*(TotalEnergy+ParticleMass)) ;
//G4double TotalMomentum = sqrt(KineticEnergy*(TotalEnergy+ParticleMass)) ;
G4double Z3 = anElement->GetIonisation()->GetZ3() ;
G4double MaxPairEnergy = TotalEnergy-0.75*esq*ParticleMass*Z3 ;
@@ -636,14 +653,16 @@ G4VParticleChange* G4MuPairProduction::PostStepDoIt(const G4Track& trackData,
// sample e-e+ energy, pair energy first
G4double PairEnergy,xc,x,yc,y ;
G4int iZ,iT,iy ;
// G4int iZ,iT;
G4int iy ;
// select sampling table ;
G4double lnZ = log(anElement->GetZ()) ;
G4double delmin = 1.e10 ;
G4double del ;
G4int izz,itt,NBINminus1 ;
NBINminus1 = NBIN-1 ;
G4int izz = 0;
G4int itt = 0;
G4int NBINminus1 = NBIN-1;
for (G4int iz=0; iz<nzdat; iz++)
{
del = abs(lnZ-log(zdat[iz])) ;
@@ -718,9 +737,10 @@ G4VParticleChange* G4MuPairProduction::PostStepDoIt(const G4Track& trackData,
G4int numberofsecondaries = 1 ;
G4int flagelectron = 0 ;
G4int flagpositron = 1 ;
G4DynamicParticle *aParticle1,*aParticle2 ;
G4DynamicParticle* aParticle1 = 0;
G4DynamicParticle* aParticle2 = 0;
G4double ElectronMomentum , PositronMomentum ;
G4double finalPx,finalPy,finalPz ;
//G4double finalPx,finalPy,finalPz ;
G4double ElectKineEnergy = ElectronEnergy - electron_mass_c2 ;
@@ -771,8 +791,7 @@ G4VParticleChange* G4MuPairProduction::PostStepDoIt(const G4Track& trackData,
aParticleChange.AddSecondary( aParticle2 ) ;
G4double NewKinEnergy = KineticEnergy - ElectronEnergy - PositronEnergy ;
G4double finalMomentum=sqrt(NewKinEnergy*
(NewKinEnergy+2.*ParticleMass)) ;
//G4double finalMomentum=sqrt(NewKinEnergy*(NewKinEnergy+2.*ParticleMass));
aParticleChange.SetMomentumChange( ParticleDirection );