Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/stopping/src/G4HadronicAbsorptionBertini.cc

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 25 //
 26 //---------------------------------------------------------------------
 27 // Class Description:
 28 //
 29 // Intermediate class for hadronic absorption at rest using Bertini
 30 // Physics lists should reference the concrete subclasses for pi-, K-, Sigma-
 31 //
 32 // 20120905  M. Kelsey -- Drop explicit list of "allowed" particles; Bertini
 33 //    can handle anything, or return no-interaction if not.
 34 // 20121017  M. Kelsey -- Use Bertini's IsApplicable to check particle allowed
 35 
 36 #include "G4HadronicAbsorptionBertini.hh"
 37 #include "G4CascadeInterface.hh"
 38 #include "G4ParticleDefinition.hh"
 39 #include "G4ParticleTypes.hh"
 40 #include <iostream>
 41 
 42 
 43 // Constructor
 44 
 45 G4HadronicAbsorptionBertini::
 46 G4HadronicAbsorptionBertini(G4ParticleDefinition* pdef)
 47   : G4HadronStoppingProcess("hBertiniCaptureAtRest"), pdefApplicable(pdef) {
 48   theCascade = new G4CascadeInterface;
 49   theCascade->SetMinEnergy(0.);     // Ensure it gets used at rest
 50   theCascade->usePreCompoundDeexcitation();
 51   RegisterMe(theCascade);     // Transfers ownership
 52 }
 53 
 54 
 55 // Applies to constructor-specified particle, or to all known cases
 56 
 57 G4bool G4HadronicAbsorptionBertini::IsApplicable(const G4ParticleDefinition& particle)
 58 {
 59   // Exclusive match (if registered for specific projectile
 60   if (pdefApplicable) return (&particle == pdefApplicable);
 61 
 62   // Any negative particles known to Bertini, excluding nuclei
 63   return (G4HadronStoppingProcess::IsApplicable(particle) &&
 64     particle.GetAtomicMass() <= 1 &&
 65     theCascade->IsApplicable(&particle));
 66 }
 67 
 68 
 69 // Documentation of purpose
 70 
 71 void 
 72 G4HadronicAbsorptionBertini::ProcessDescription(std::ostream& os) const {
 73   os << "Stopping and absorption of charged hadrons (pi-, K-, Sigma-)\n"
 74      << "using Bertini-like intranuclear cascade.\n"
 75      << "Native PreCompound model is used for nuclear de-excitation"
 76      << std::endl;
 77 }
 78