Abstract
The response of a neutron dosemeter based on plastic track detectors has been studied. The dosemeter (converter + detector) configurations used consist of a CR-39 detector 500 μm thick and a Makrofol converter 300 μm thick for fast neutrons (configuration 1) and 3 mm of air used as converter for thermal neutrons (configuration 2). The possibility of using Makrofol as a high energy neutron dosemeter has also been studied. In order to validate the results obtained from Monte Carlo simulations using the MCNP4A code, a set of irradiations by monoenergetic neutron beams has been performed at the Physikalisch-Technische Bundesanstalt (PTB), Gesellschaft fur Strahlen-Und Umweltforschung (GSF) and Paul Scherrer Institut (PSI) neutron irradiation facilities. Irradiations with realistic fields were performed at the Cadarache Nuclear Centre. An excellent agreement has been found between the simulated and the experimental values, not only for fast neutrons but also for thermal neutrons.
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