98 lines
3.7 KiB
C++
98 lines
3.7 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 file
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//
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//
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// File name: G4MuonToMuonPairProduction
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//
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// Author: Siddharth Yajaman on the base of Vladamir Ivantchenko/Laszlo Urban code
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//
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// Creation date: 12.07.2022
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//
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// Modifications:
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//
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//
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// -------------------------------------------------------------------
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#include "G4MuonToMuonPairProduction.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4MuonPlus.hh"
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#include "G4VEmModel.hh"
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#include "G4MuonToMuonPairProductionModel.hh"
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#include "G4ElementData.hh"
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#include "G4EmParameters.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4MuonToMuonPairProduction::G4MuonToMuonPairProduction(const G4String& name)
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: G4MuPairProduction(name)
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{
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SetProcessSubType(49);
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SetSecondaryParticle(G4MuonPlus::MuonPlus());
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4MuonToMuonPairProduction::InitialiseEnergyLossProcess(
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const G4ParticleDefinition* part,
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const G4ParticleDefinition*)
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{
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if (isInitialised) { return; }
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isInitialised = true;
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theParticle = part;
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lowestKinEnergy = std::max(lowestKinEnergy, part->GetPDGMass()*8.0);
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G4VEmModel* mod = EmModel(0);
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if(nullptr == mod) {
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mod = new G4MuonToMuonPairProductionModel(part);
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SetEmModel(mod);
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}
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G4VEmFluctuationModel* fm = nullptr;
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G4EmParameters* param = G4EmParameters::Instance();
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mod->SetLowEnergyLimit(param->MinKinEnergy());
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mod->SetHighEnergyLimit(param->MaxKinEnergy());
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mod->SetSecondaryThreshold(param->MuHadBremsstrahlungTh());
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AddEmModel(1, mod, fm);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void G4MuonToMuonPairProduction::ProcessDescription(std::ostream& out) const
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{
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out << " Muon-anti-muon pair production by muons";
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G4MuPairProduction::ProcessDescription(out);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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