Gabriele Cosmo
111 lines
4.2 KiB
C++
111 lines
4.2 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. *
|
|
// ********************************************************************
|
|
//
|
|
// INCL++ intra-nuclear cascade model
|
|
// Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
|
|
// Davide Mancusi, CEA
|
|
// Alain Boudard, CEA
|
|
// Sylvie Leray, CEA
|
|
// Joseph Cugnon, University of Liege
|
|
//
|
|
// INCL++ revision: v5.1.8
|
|
//
|
|
#define INCLXX_IN_GEANT4_MODE 1
|
|
|
|
#include "globals.hh"
|
|
|
|
/** \file G4INCLClusterDecay.hh
|
|
* \brief Static class for carrying out cluster decays
|
|
*
|
|
* \date 6th July 2011
|
|
* \author Davide Mancusi
|
|
*/
|
|
|
|
#ifndef G4INCLCLUSTERDECAY_HH
|
|
#define G4INCLCLUSTERDECAY_HH
|
|
|
|
#include "G4INCLCluster.hh"
|
|
#include "G4INCLParticleTable.hh"
|
|
|
|
namespace G4INCL {
|
|
|
|
/**
|
|
* Pauli blocking
|
|
*
|
|
*/
|
|
class ClusterDecay {
|
|
public:
|
|
/// \brief True if the cluster is stable.
|
|
static G4bool isStable(Cluster const * const c) {
|
|
const G4int Z = c->getZ();
|
|
const G4int A = c->getA();
|
|
return (ParticleTable::clusterDecayMode[Z][A]==ParticleTable::StableCluster);
|
|
}
|
|
|
|
/** \brief Carries out a cluster decay
|
|
*
|
|
* \param c cluster that should decay
|
|
* \return list of decay products
|
|
*/
|
|
static ParticleList decay(Cluster * const c);
|
|
|
|
protected:
|
|
ClusterDecay() {}
|
|
~ClusterDecay() {}
|
|
|
|
private:
|
|
/** \brief Recursively decay clusters
|
|
*
|
|
* \param c cluster that should decay
|
|
* \param decayProducts decay products are appended to the end of this list
|
|
*/
|
|
static void recursiveDecay(Cluster * const c, ParticleList *decayProducts);
|
|
|
|
/// \brief Carries out two-body decays
|
|
static void twoBodyDecay(Cluster * const c, ParticleTable::ClusterDecayType theDecayMode, ParticleList *decayProducts);
|
|
|
|
/// \brief Carries out three-body decays
|
|
static void threeBodyDecay(Cluster * const c, ParticleTable::ClusterDecayType theDecayMode, ParticleList *decayProducts);
|
|
|
|
/** \brief Disassembles unbound nuclei using a simple phase-space model
|
|
*
|
|
* The decay products are assumed to uniformly populate the momentum space
|
|
* (the "phase-space" naming is a long-standing but misleading convention).
|
|
* The generation of the final state is done by rejection, using the
|
|
* Raubold-Lynch method. Parts of our implementation were "inspired" by
|
|
* ROOT's TGenPhaseSpace class, which in turn is a translation of CERNLIB's
|
|
* historical GENBOD routine [CERN report 68-15 (1968)]. The ROOT
|
|
* implementation is documented at the following URL:
|
|
*
|
|
* http://root.cern.ch/root/html/TGenPhaseSpace.html#TGenPhaseSpace
|
|
*/
|
|
static void phaseSpaceDecay(Cluster * const c, ParticleTable::ClusterDecayType theDecayMode, ParticleList *decayProducts);
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif // G4INCLCLUSTERDECAY
|