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The application of muon tomography to the imaging of railway tunnels.

Thompson, L.F. and Stowell, J.P. and Fargher, S.J. and Steer, C.A. and Loughney, K.L. and O'Sullivan, E.M. and Gluyas, J.G. and Blaney, S.W. and Pidcock, R.J. (2020) 'The application of muon tomography to the imaging of railway tunnels.', Physical review research., 2 (2). 023017.


Cosmic ray muon radiography utilizes highly penetrating cosmic ray muons to image the density profile of an object of interest. Here we report on a trial to use a portable field-deployable cosmic ray muon tracking system in order to image the whole overburden of a UK railway tunnel with short-duration scans (c. 30 min). An unknown overburden void was identified and, after trial, confirmed by railway authorities. These experiments demonstrate the identification of hidden construction shafts with high levels of statistical significance as density anomalies within the data.

Item Type:Article
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Publisher statement:Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
Date accepted:05 March 2020
Date deposited:10 March 2020
Date of first online publication:08 April 2020
Date first made open access:11 April 2020

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