Muon Imaging for Safeguards Application

Yang, G.L., Clarkson, A., Kaiser, R. , Mahon, D. , Ryan, M. and Gardner, S. (2018) Muon Imaging for Safeguards Application. In: Symposium on International Safeguards: Building Future Safeguards Capabilities, Vienna, Austria, 5-8 Nov 2018,

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Abstract

Because of the very high penetrating power of the high energy muon, muon imaging can be used to image large and dense objects where other techniques such as x-ray imaging often fail. Another advantage of this technique is that it can use naturally occurring cosmic-ray muons as the probe to do muon imaging. There are several ways muons may interact with matter which can be used for imaging, these include: multiple scattering, energy loss and production of secondary particles, and beam intensity loss (absorption). Due to the technical difficulty of measuring muon momentum, it is not easy to use the energy loss of each individual muon to reconstruct an image. Muon multiple scattering imaging and muon absorption imaging are the most popular techniques. Muon multiple scattering imaging can be used to deal with relatively small objects, such as shipping containers, whilst muon absorption imaging is better-suited for larger objects, such as volcanos. Both the muon multiple scattering and absorption imaging systems need muon tracking detectors. If additional detectors, such as neutron detectors, are used to detect the secondary particles caused by muons, tomography images can be formed by using these tagged muon tracks. In this paper, the capabilities of different muon imaging techniques are reviewed and new combined imaging techniques proposed for potential safeguards application.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Gardner, Mr Simon and Ryan, Mr Matthew and Kaiser, Professor Ralf and Yang, Dr Guangliang and Clarkson, Mr Anthony and Mahon, Mr David
Authors: Yang, G.L., Clarkson, A., Kaiser, R., Mahon, D., Ryan, M., and Gardner, S.
College/School:College of Science and Engineering > School of Physics and Astronomy
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
765851EPSRC-IAA: Imaging Concrete with Cosmic MuonsDavid IrelandEngineering and Physical Sciences Research Council (EPSRC)EP/K503903/1S&E P&A - PHYSICS & ASTRONOMY