Gabriele Cosmo
92 lines
3.3 KiB
C++
92 lines
3.3 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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//
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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: G4RiGeAngularGenerator
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//
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// Authors: Gerardo Depaola & Ricardo Pacheco
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//
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// Creation date: 29 October 2024
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//
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// -------------------------------------------------------------------
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//
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#ifndef G4RiGeAngularGenerator_h
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#define G4RiGeAngularGenerator_h 1
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#include "G4ios.hh"
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#include "globals.hh"
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#include "G4VEmAngularDistribution.hh"
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#include "G4LorentzVector.hh"
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class G4RiGeAngularGenerator : public G4VEmAngularDistribution
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{
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public:
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G4RiGeAngularGenerator();
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~G4RiGeAngularGenerator() override = default;
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G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
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G4double gEnergy, G4int Z,
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const G4Material* mat = nullptr) override;
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void Sample5DPairDirections(const G4DynamicParticle* dp,
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G4ThreeVector& dirElectron,
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G4ThreeVector& dirPositron,
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const G4double gEnergy, const G4double q2,
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const G4double gMomentum,
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G4double muFinalMomentum,
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G4double muFinalEnergy,
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const G4double* randNumbs,
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const G4double* W);
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void PhiRotation(G4ThreeVector& dir, G4double phi);
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G4LorentzVector eDP2(G4double x1, G4double x2, G4double x3, G4double x4, G4double x5);
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G4LorentzVector pDP2(G4double x3, const G4LorentzVector& x6);
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void PrintGeneratorInformation() const override;
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// hide assignment operator
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G4RiGeAngularGenerator& operator=(const G4RiGeAngularGenerator& right) = delete;
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G4RiGeAngularGenerator(const G4RiGeAngularGenerator&) = delete;
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private:
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G4double SampleCosTheta(G4double primKinEnergy, G4double gEnergy, G4double mass);
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};
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#endif
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