G4FPYNormalFragmentDist.cc

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/*
 * File:   G4FPYNormalFragmentDist.cc
 * Author: B. Wendt ([email protected])
 *
 * Created on July 26, 2011, 12:26 PM
 */
 
#include "G4FPYNormalFragmentDist.hh"
 
#include "G4FFGDebuggingMacros.hh"
#include "G4FFGEnumerations.hh"
#include "G4FissionProductYieldDist.hh"
#include "G4Ions.hh"
#include "Randomize.hh"
#include "globals.hh"
 
G4FPYNormalFragmentDist::G4FPYNormalFragmentDist(G4int WhichIsotope,
                                                 G4FFGEnumerations::MetaState WhichMetaState,
                                                 G4FFGEnumerations::FissionCause WhichCause,
                                                 G4FFGEnumerations::YieldType WhichYieldType,
                                                 std::istringstream& dataFile)
  : G4FissionProductYieldDist(WhichIsotope, WhichMetaState, WhichCause, WhichYieldType, dataFile)
{
  // Initialize the class
  Initialize();
}
 
G4FPYNormalFragmentDist::G4FPYNormalFragmentDist(G4int WhichIsotope,
                                                 G4FFGEnumerations::MetaState WhichMetaState,
                                                 G4FFGEnumerations::FissionCause WhichCause,
                                                 G4FFGEnumerations::YieldType WhichYieldType,
                                                 G4int Verbosity, std::istringstream& dataFile)
  : G4FissionProductYieldDist(WhichIsotope, WhichMetaState, WhichCause, WhichYieldType, Verbosity,
                              dataFile)
{
  // Initialize the class
  Initialize();
}
 
void G4FPYNormalFragmentDist::Initialize(){G4FFG_FUNCTIONENTER__
 
                                             // Nothing here yet
 
                                             G4FFG_FUNCTIONLEAVE__}
 
G4Ions* G4FPYNormalFragmentDist::GetFissionProduct()
{
  G4FFG_FUNCTIONENTER__
 
  G4Ions* Particle = nullptr;
 
  // Generate a (0, 1] random number and return the respective particle.
  // The ENDF data tables lists 72172 as the largest fission fragment produced
  // for any fission event. The maximum alpha production is 10 and the
  // smallest fissile isotope is 90227. This means that if isotope 72172 were
  // selected as the first daughter product, then at 10 alpha particles only
  // 15 nucleons and -2 protons would remain for the second daughter product.
  // Although the actual probability of this occurring is very small, or 0 in
  // this case, a check should still be made to ensure that the second
  // daughter product can be physically realized. This would prevent a
  // situation such as this extreme example which results in a nucleus of 13
  // neutrons and 2 anti-protons.
  // This quick sanity check may become even more valid if the ENDF data
  // tables are expanded in the future and include larger fission products.
 
  G4int icounter = 0;
  G4int icounter_max = 1024;
  do {
    icounter++;
    if (icounter > icounter_max) {
      G4cout << "Loop-counter exceeded the threshold value at " << __LINE__ << "th line of "
             << __FILE__ << "." << G4endl;
      break;
    }
    Particle = FindParticle(RandomEngine_->G4SampleUniform());
  } while (Particle->GetAtomicMass() > RemainingA_ + 1
           || Particle->GetAtomicNumber() > RemainingZ_ + 1);
  // Loop checking, 11.05.2015, T. Koi
 
  G4FFG_FUNCTIONLEAVE__
  return Particle;
}
 
G4FPYNormalFragmentDist::~G4FPYNormalFragmentDist()
{
  G4FFG_FUNCTIONENTER__
 
  // Empty - all the data elements to be deconstructed are removed by
  // ~G4FissionProductYieldDist()
 
  G4FFG_FUNCTIONLEAVE__
}