Import Geant4 8.2.0 source tree

2016-06-09 14:55:03 +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: G4VPolarizedCrossSection.hh,v 1.2 2006/11/17 14:14:19 vnivanch Exp $
+// GEANT4 tag $Name: geant4-08-02 $
+//
+// File name:     G4VPolarizedCrossSection
+//
+// Author:        Andreas Schaelicke
+//
+// Creation date: 15.05.2005
+//
+// Modifications:
+//
+// Class Description:
+//   (pure virtual) interface class
+//
+//   provides readable but efficient routines to determine 
+//   polarization for the final state of a given process
+//   empoying the differential cross section
+//
+
+#ifndef G4VPolarizedCrossSection_h
+#define G4VPolarizedCrossSection_h 1
+
+#include "G4StokesVector.hh"
+
+
+class G4VPolarizedCrossSection
+{
+public:
+  G4VPolarizedCrossSection();
+  virtual ~G4VPolarizedCrossSection();
+public:
+  virtual void Initialize(G4double, G4double, G4double,
+			  const G4StokesVector & p0,const G4StokesVector & p1,
+ 			  G4int flag=0); 
+  virtual G4double XSection(const G4StokesVector & pol2,const G4StokesVector & pol3) = 0; 
+  virtual G4double TotalXSection(G4double xmin, G4double xmax, G4double y,
+				 const G4StokesVector & pol0,
+				 const G4StokesVector & pol1);
+  
+  // return expected mean polarisation
+  virtual G4StokesVector GetPol2();
+  virtual G4StokesVector GetPol3();
+
+  // return appropriate distribute polarisation states;
+  void DicePolarization();
+  G4StokesVector DicedPol2();
+  G4StokesVector DicedPol3();
+protected:
+//   G4double costheta;
+  G4StokesVector pol0, pol1;
+  G4StokesVector pol2, pol3;
+};
+
+
+#endif