Import Geant4 9.2.0 source tree

2016-06-09 15:58:43 +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: G4eeTo3PiModel.hh,v 1.1 2008/07/10 18:07:26 vnivanch Exp $
+// GEANT4 tag $Name: geant4-09-02 $
+//
+// -------------------------------------------------------------------
+//
+// GEANT4 Class header file
+//
+//
+// File name:     G4eeTo3PiModel
+//
+// Author:        Vladimir Ivanchenko
+//
+// Creation date: 25.10.2003
+//
+// Modifications:
+//
+
+//
+// Class Description:
+//
+
+// -------------------------------------------------------------------
+//
+
+#ifndef G4eeTo3PiModel_h
+#define G4eeTo3PiModel_h 1
+
+#include "G4Vee2hadrons.hh"
+#include "globals.hh"
+#include "G4eeCrossSections.hh"
+
+class G4DynamicParticle;
+class G4PhysicsVector;
+
+class G4eeTo3PiModel : public G4Vee2hadrons
+{
+
+public:
+
+  G4eeTo3PiModel(G4eeCrossSections*);
+
+  virtual ~G4eeTo3PiModel();
+
+  G4double ThresholdEnergy() const;
+
+  G4double PeakEnergy() const;
+
+  G4double ComputeCrossSection(G4double) const;
+
+  G4PhysicsVector* PhysicsVector(G4double, G4double) const;
+
+  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
+              G4double, const G4ThreeVector&);
+
+private:
+
+  // hide assignment operator
+  G4eeTo3PiModel & operator=(const  G4eeTo3PiModel &right);
+  G4eeTo3PiModel(const  G4eeTo3PiModel&);
+
+  G4eeCrossSections* cross;
+
+  G4double massPi;
+  G4double massPi0;
+  G4double massOm;
+  G4double massPhi;
+  G4double gcash;
+  G4double gmax;
+};
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+inline G4double G4eeTo3PiModel::ThresholdEnergy() const
+{
+  return std::max(LowEnergy(),2.0*massPi + massPi0);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+inline G4double G4eeTo3PiModel::PeakEnergy() const
+{
+  G4double e = massOm;
+  if(HighEnergy() > massPhi) e = massPhi; 
+  return e;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+inline G4double G4eeTo3PiModel::ComputeCrossSection(G4double e) const
+{
+  G4double ee = std::min(HighEnergy(),e);
+  return cross->CrossSection3pi(ee);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+#endif