Dynamic Analysis of Source Driven Fast Neutron Systems for Experimental Techniques of Subcritical Reactivity Measurement

摘要

The MUSE program [1] is a series of experiments carried out at the CEA-Cadarache MASURCA facility since 1995 in the 5th European framework, to study the neutron ics of Accelerator Driven Systems (ADS). ANL is participating to the experimental program in the framework of the DOE Advanced Fuel Cycle Initiative (AFCI) activities. During the MUSE4 phase of the experimental program, one of the objectives is to investigate the response to neutron pulses with frequencies from 50 Hz to 4.5 kHz, and less than 1 μs wide, generated at the reactor center by the (d, t) or (d, d) GENEPI accelerator. Detectors mainly based on ~(235)U fission, located in the core, reflector and shielding regions are used for measuring the time dependent responses.