Abstract
In this paper we try to use MRPC technology to detect γ rays and fast neutrons. Through detailed Monte Carlo simulation, we get the γ rays and fast neutrons sensitivity of MRPC. We also studied the method to improve the neutron sensitivity of MRPC. Thin polyethylene layer is placed on the surface of electrode glass, when neutron interact with polyethylene, proton is produced and it can ionize working gas. Electron and ions will produce avalanche by strong electric field and charges is induced on collect electrodes. This kind of detector has high neutron-gamma resolution capability.
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