85 lines
3.4 KiB
C++
85 lines
3.4 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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// G4PhaseSpaceDecayChannel
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//
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// Class description:
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//
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// Concrete decay channel for a particle.
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// Author: H.Kurashige, 27 July 1996
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// --------------------------------------------------------------------
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#ifndef G4PhaseSpaceDecayChannel_hh
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#define G4PhaseSpaceDecayChannel_hh 1
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#include "G4Cache.hh"
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#include "G4VDecayChannel.hh"
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#include "G4ios.hh"
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#include "globals.hh"
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class G4PhaseSpaceDecayChannel : public G4VDecayChannel
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{
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public:
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enum
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{
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MAX_N_DAUGHTERS = 5
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};
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// Constructors
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G4PhaseSpaceDecayChannel(G4int Verbose = 1);
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G4PhaseSpaceDecayChannel(const G4String& theParentName, G4double theBR,
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G4int theNumberOfDaughters, const G4String& theDaughterName1,
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const G4String& theDaughterName2 = "",
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const G4String& theDaughterName3 = "",
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const G4String& theDaughterName4 = "",
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const G4String& theDaughterName5 = "");
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// Destructor
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~G4PhaseSpaceDecayChannel() override = default;
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// Give daughter masses instead of sampling masses
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// according to PDG mass and width
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G4bool SetDaughterMasses(G4double masses[]);
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G4bool SampleDaughterMasses();
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G4DecayProducts* DecayIt(G4double) override;
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G4bool IsOKWithParentMass(G4double parentMass) override;
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static G4double Pmx(G4double e, G4double p1, G4double p2);
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private:
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G4DecayProducts* OneBodyDecayIt();
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G4DecayProducts* TwoBodyDecayIt();
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G4DecayProducts* ThreeBodyDecayIt();
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G4DecayProducts* ManyBodyDecayIt();
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G4Cache<G4double> current_parent_mass; // A thread-local object
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G4double givenDaughterMasses[MAX_N_DAUGHTERS];
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G4bool useGivenDaughterMass = false;
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};
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#endif
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