Hexagonal Uniformly Redundant Arrays (HURAS) for Scintillator Based Coded Aperture Neutron Imaging

Gamage, K. A.A. , Zhou, Q. and Hayes, S. C. (2016) Hexagonal Uniformly Redundant Arrays (HURAS) for Scintillator Based Coded Aperture Neutron Imaging. In: 4th International Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA), Lisbon, Portugal, 20-24 April 2015, ISBN 9781479999187 (doi: 10.1109/ANIMMA.2015.7465288)

Abstract

A series of Monte Carlo simulations have been conducted, making use of the EJ-426 neutron scintillator detector, to investigate the potential of using hexagonal uniformly redundant arrays (HURAs) for scintillator based coded aperture neutron imaging. This type of scintillator material has a low sensitivity to gamma rays, therefore, is of particular use in a system with a source that emits both neutrons and gamma rays. The simulations used an AmBe source, neutron images have been produced using different coded-aperture materials (boron-10, cadmium-113 and gadolinium-157) and location error has also been estimated. In each case the neutron image clearly shows the location of the source with a relatively small location error. Neutron images with high resolution can be easily used to identify and locate nuclear materials precisely in nuclear security and nuclear decommissioning applications.

• Item Type: Conference Proceedings
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Gamage, Professor Kelum
• Authors: Gamage, K. A.A., Zhou, Q., and Hayes, S. C.
• College/School: College of Science and Engineering > School of Engineering
• ISBN: 9781479999187