Gabriele Cosmo
121 lines
3.5 KiB
C++
121 lines
3.5 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id: G4eeToTwoPiModel.hh,v 1.2 2006/06/29 19:32:30 gunter Exp $
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// GEANT4 tag $Name: geant4-08-02 $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class header file
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//
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//
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// File name: G4eeToTwoPiModel
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//
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// Author: Vladimir Ivanchenko
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//
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// Creation date: 25.10.2003
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//
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// Modifications:
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//
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//
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// Class Description:
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//
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// -------------------------------------------------------------------
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//
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#ifndef G4eeToTwoPiModel_h
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#define G4eeToTwoPiModel_h 1
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#include "G4Vee2hadrons.hh"
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#include "globals.hh"
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#include "G4eeCrossSections.hh"
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class G4DynamicParticle;
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class G4PhysicsVector;
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class G4eeToTwoPiModel : public G4Vee2hadrons
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{
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public:
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G4eeToTwoPiModel(G4eeCrossSections*);
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virtual ~G4eeToTwoPiModel();
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G4double ThresholdEnergy() const;
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G4double PeakEnergy() const;
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G4double ComputeCrossSection(G4double) const;
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G4PhysicsVector* PhysicsVector(G4double, G4double) const;
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virtual std::vector<G4DynamicParticle*>* SampleSecondaries(
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G4double, const G4ThreeVector&) const;
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private:
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void Initialise();
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// hide assignment operator
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G4eeToTwoPiModel & operator=(const G4eeToTwoPiModel &right);
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G4eeToTwoPiModel(const G4eeToTwoPiModel&);
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G4eeCrossSections* cross;
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G4double massPi;
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G4double massRho;
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G4double highEnergy;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4eeToTwoPiModel::ThresholdEnergy() const
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{
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return 2.0*massPi;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4eeToTwoPiModel::PeakEnergy() const
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{
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return massRho;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4eeToTwoPiModel::ComputeCrossSection(G4double e) const
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{
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G4double ee = std::min(GeV,e);
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return cross->CrossSection2pi(ee);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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