Import Geant4 9.1.0 source tree

2016-06-09 15:37:50 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * 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.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+// $Id: G4PolarizedPEEffectCrossSection.cc,v 1.1 2007/11/01 17:29:09 schaelic Exp $
+// GEANT4 tag $Name: geant4-09-01 $
+//
+// GEANT4 Class file
+//
+//
+// File name:     G4PolarizedPEEffectCrossSection
+//
+// Author:        Karim Laihem 
+//
+// Creation date: 15.03.2007
+//
+// Modifications:
+//   19-03-07 Modified to fit in g4.8.2 framework (A.Schaelicke)
+//
+// Class Description:
+//
+#include "G4PolarizedPEEffectCrossSection.hh"
+//#include "Randomize.hh"
+
+using namespace std;
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+G4PolarizedPEEffectCrossSection::G4PolarizedPEEffectCrossSection()
+  {
+   cout<<"G4PolarizedPEEffectCrossSection() init\n";
+
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+G4PolarizedPEEffectCrossSection::~G4PolarizedPEEffectCrossSection()
+{}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+void G4PolarizedPEEffectCrossSection::Initialize(G4double aGammaE, 
+						 G4double aLept0E, 
+						 G4double sinTheta,
+						 const G4StokesVector & beamPol,
+						 const G4StokesVector & /*p1*/,
+						 G4int /*flag*/)
+{
+  //   cout<<"G4PolarizedPEEffectCrossSection::Initialize()\n";
+
+// G4StokesVector PolarizedPhotoElectricEffect::Transfer_G4StokesVector(
+//     G4double aGammaE,                 // Incoming Primary Gamma Energy.
+//     G4ThreeVector aGammaDir,          // Incoming Primary Gamma Direction.
+//     G4StokesVector beamPol,          // Incoming Primary Gamma  polarization.
+//     G4double aLept0E,                 // The Lepton  e- of interest Total energy.
+//     G4ThreeVector aParticl_01_Dir,    // The Lepton  e- of interest direction.
+//     G4double cos_aTetha_Angle            // The lepton of interest Scattering angle.
+//     )
+
+// ***********************************************************
+// ************  added by Karim   Polarization transfer to e- in PhotoelectricEffect.
+// ************ 
+// ***********************************************************
+    G4double Gfactor   = aLept0E/electron_mass_c2+1;
+    G4double Gfactor_2 = Gfactor * Gfactor;
+
+    G4double BETA    = sqrt(1. - 1./(Gfactor_2));
+
+    G4double Stokes_P3  = beamPol.z()   ;                       
+    
+    G4double m0_c2  = electron_mass_c2; 
+    G4double Lept0E = aLept0E/m0_c2+1,   Lept0E2 = Lept0E * Lept0E ;
+    G4double GammaE = aGammaE/m0_c2;
+
+
+//     G4double cosTheta = cos_aTetha_Angle;
+//     G4double sinTheta = sqrt(1- cos_aTetha_Angle * cos_aTetha_Angle);
+    G4double cosTheta = std::sqrt(1. - sinTheta*sinTheta);
+
+    G4double D_Lepton0 = (1./GammaE) * ((2./(GammaE*Lept0E*(1-BETA*cosTheta)))-1.);   
+
+    G4double I_Lepton0 = 1.0+D_Lepton0;
+
+    G4double A_Lepton0 = (Lept0E/(Lept0E+1))*(2.0/(GammaE*Lept0E) 
+					      + BETA*cosTheta 
+					      +(2.0/((GammaE*Lept0E2)*(1.0-BETA*cosTheta)))) / I_Lepton0 ;
+    
+    G4double B_Lepton0 = (Lept0E/(Lept0E+1.0)) * BETA * sinTheta * (2.0/(GammaE*Lept0E*(1-BETA*cosTheta))-1.0)/I_Lepton0;   
+
+    G4double Stokes_S1 = (Stokes_P3 * B_Lepton0) ;
+    G4double Stokes_S2 = 0.;
+    G4double Stokes_S3 = (Stokes_P3 * A_Lepton0) ; 
+
+    
+    theFinalElectronPolarization.setX(Stokes_S1);
+    theFinalElectronPolarization.setY(Stokes_S2);
+    theFinalElectronPolarization.setZ(Stokes_S3);
+
+    if((theFinalElectronPolarization.x()*theFinalElectronPolarization.x()
+    	+ theFinalElectronPolarization.y()* theFinalElectronPolarization.y()
+	+ theFinalElectronPolarization.z()* theFinalElectronPolarization.z())>1)
+	
+    {
+	cout<<"Warning: PhotoelectricEffect Problem in pol-transfer photon to lepton:Px2 + Py2 + Pz2 > 1"<<endl;
+	cout<<"Polarization transfer forced to be total and similar as incoming Photo"<<endl;
+	// *KL* Surprising if it arrives (never seen it up to now)
+	theFinalElectronPolarization = beamPol; // suplement de securite
+// 	cout<<"PhotoEffect okay :"
+//  	      <<"\t"<<(aLept0E-m0_c2)/aGammaE
+// 	      <<"\t"<<aGammaE
+// 	      <<"\t"<<aLept0E
+// 	      <<"\t"<<cos_aTetha_Angle
+// 	      <<"\t"<<beamPol
+// 	      <<"\t"<<theFinalElectronPolarization
+// 	      <<"\t"<<A_Lepton0
+// 	      <<endl;
+    }
+}
+
+
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+G4double G4PolarizedPEEffectCrossSection::XSection(const G4StokesVector & /*pol2*/,
+						   const G4StokesVector & /*pol3*/)
+{
+  cout<<"ERROR dummy routine G4PolarizedPEEffectCrossSection::XSection() called\n";
+  return 0;
+} 
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+G4StokesVector G4PolarizedPEEffectCrossSection::GetPol2()
+{
+  return theFinalElectronPolarization;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+G4StokesVector G4PolarizedPEEffectCrossSection::GetPol3()
+{
+  return G4StokesVector();
+}
+
+
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
+
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......