Files
geant4/source/particles/management/include/G4PhaseSpaceDecayChannel.hh
T
2016-06-30 14:12:05 +02:00

90 lines
3.5 KiB
C++

//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
// $Id: G4PhaseSpaceDecayChannel.hh 95906 2016-03-02 10:56:50Z gcosmo $
//
//
// ------------------------------------------------------------
// GEANT 4 class header file
//
// History: first implementation, based on object model of
// 27 July 1996 H.Kurashige
// 30 May 1997 H.Kurashige
// 24 May 2012 H.Kurashige Add current_parent_mass;
// ------------------------------------------------------------
#ifndef G4PhaseSpaceDecayChannel_h
#define G4PhaseSpaceDecayChannel_h 1
#include "G4ios.hh"
#include "globals.hh"
#include "G4VDecayChannel.hh"
#include "G4Cache.hh"
class G4PhaseSpaceDecayChannel :public G4VDecayChannel
{
public: // With Description
enum {MAX_N_DAUGHTERS=4};
//Constructors
G4PhaseSpaceDecayChannel(G4int Verbose = 1);
G4PhaseSpaceDecayChannel(const G4String& theParentName,
G4double theBR,
G4int theNumberOfDaughters,
const G4String& theDaughterName1,
const G4String& theDaughterName2 = "",
const G4String& theDaughterName3 = "",
const G4String& theDaughterName4 = "" );
// give daughter masses instead of sampling masses
// according to PDG mass and width.
G4bool SetDaughterMasses( G4double masses[]);
G4bool SampleDaughterMasses();
public:
// Destructor
virtual ~G4PhaseSpaceDecayChannel();
public: // With Description
virtual G4DecayProducts *DecayIt(G4double);
G4bool IsOKWithParentMass(G4double parentMass);
public:
static G4double Pmx(G4double e, G4double p1, G4double p2);
private:
//A thread-local object
G4Cache<G4double> current_parent_mass;
G4DecayProducts *OneBodyDecayIt();
G4DecayProducts *TwoBodyDecayIt();
G4DecayProducts *ThreeBodyDecayIt();
G4DecayProducts *ManyBodyDecayIt();
G4bool useGivenDaughterMass;
G4double givenDaughterMasses[MAX_N_DAUGHTERS];
};
#endif