Conference Proceedings Paper
A Method for Simulating Real-Time Neutron Populations, Materials and Geometries Using the GEANT4 Monte Carlo Toolkit
33rd Annual CNS Conference - 2012 June 10-13
Liam Russell (McMaster University)
Guy Jonkmans (Atomic Energy of Canada Limited)
Adriaan Buijs (McMaster University)
GEANT4 is a Monte Carlo particle physics toolkit that simulates elementary particles moving through matter. GEANT4 allows a population of neutrons to be tracked in a multiplying medium as the population and the medium evolve. However, the population must be artificially stabilized so that it neither explodes nor vanishes. We present a stabilization method where the simulation is divided into short time intervals and the population is renormalized at the end of each interval. This method was used with a simple sphere of U235 to calculate the effective neutron multiplication factor (keff) from the continuous evolution of the neutron population.
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