Gabriele Cosmo
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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// $Id: G4eeToTwoGammaModel.hh,v 1.9 2005/05/12 11:06:43 vnivanch Exp $
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// GEANT4 tag $Name: geant4-08-00 $
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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: G4eeToTwoGammaModel
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//
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// Author: Vladimir Ivanchenko on base of Michel Maire code
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//
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// Creation date: 02.08.2004
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//
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// Modifications:
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// 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
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// 18-04-05 Compute CrossSectionPerVolume (V.Ivantchenko)
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//
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//
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// Class Description:
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//
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// Implementation of e+ annihilation into 2 gamma
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// -------------------------------------------------------------------
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//
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#ifndef G4eeToTwoGammaModel_h
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#define G4eeToTwoGammaModel_h 1
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#include "G4VEmModel.hh"
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class G4eeToTwoGammaModel : public G4VEmModel
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{
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public:
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G4eeToTwoGammaModel(const G4ParticleDefinition* p = 0, const G4String& nam = "eplus2gg");
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virtual ~G4eeToTwoGammaModel();
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virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
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virtual G4double CrossSectionPerVolume(const G4Material*,
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const G4ParticleDefinition*,
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G4double kineticEnergy,
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G4double cutEnergy,
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G4double maxEnergy);
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virtual std::vector<G4DynamicParticle*>* SampleSecondaries(
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double tmin,
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G4double maxEnergy);
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private:
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// hide assignment operator
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G4eeToTwoGammaModel & operator=(const G4eeToTwoGammaModel &right);
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G4eeToTwoGammaModel(const G4eeToTwoGammaModel&);
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G4double pi_rcl2;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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