Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // Geant4 class file 27 // 28 // File name: G4PolarizedIonisationMollerX 29 // 30 // Author: Andreas Schaelicke 31 // 32 // Class Description: 33 // * calculates the differential cross secti 34 // incoming electron (along positive z dir 35 // rest 36 // * phi denotes the angle between the scatt 37 // outgoing electron) and X-axis 38 // * all stokes vectors refer to spins in th 39 40 #ifndef G4PolarizedIonisationMollerXS_h 41 #define G4PolarizedIonisationMollerXS_h 1 42 43 #include "G4StokesVector.hh" 44 #include "G4VPolarizedXS.hh" 45 46 class G4PolarizedIonisationMollerXS : public G 47 { 48 public: 49 G4PolarizedIonisationMollerXS(); 50 ~G4PolarizedIonisationMollerXS() override; 51 52 void Initialize(G4double x, G4double y, G4do 53 const G4StokesVector& p0, co 54 G4int flag = 0) override; 55 56 G4double XSection(const G4StokesVector& pol2 57 const G4StokesVector& pol3 58 59 G4double TotalXSection(G4double xmin, G4doub 60 const G4StokesVector& 61 const G4StokesVector& 62 63 // return expected mean polarisation 64 G4StokesVector GetPol2() override; 65 G4StokesVector GetPol3() override; 66 67 G4PolarizedIonisationMollerXS& operator 68 const G4PolarizedIonisationMollerXS& right 69 G4PolarizedIonisationMollerXS(const G4Polari 70 71 private: 72 // - part depending on the polarization of t 73 G4ThreeVector fPhi2; 74 // - part depending on the polarization of t 75 G4ThreeVector fPhi3; 76 77 G4double fPhi0; 78 }; 79 #endif 80