Abstract

Muon tomography is a very promising imaging technique for the control of cargo containers. It takes advantage of cosmic muons and their interaction mechanisms to reconstruct images of the volume traversed by these particles. In the present work, the imaging performance of a novel muon tomography scanner based on resistive plate chambers detectors is investigated. By means of several Monte Carlo simulations, some imaging parameters are evaluated. The results in terms of spatial resolution, field-of-view and volume and material recognition make the presented scanner and its geometry suitable for muon tomography.

Highlights

  • The imaging performance of a novel muon tomography scanner based on resistive plate chambers detectors is investigated

  • Muon tomography [1,2,3] is a valuable imaging technique that allows quick scanning of cargo containers, it takes advantage of muons, particles that make up the constant natural background of cosmic particles

  • Since the intensity of the scattering strictly depends on the atomic number and the geometry of the objects traversed, it is possible to infer the content of a volume and distinguish materials with different compositions by tracking the muons traversing it

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Summary

Introduction

Muon tomography [1,2,3] is a valuable imaging technique that allows quick scanning of cargo containers, it takes advantage of muons, particles that make up the constant natural background of cosmic particles. Since the intensity of the scattering strictly depends on the atomic number and the geometry of the objects traversed, it is possible to infer the content of a volume and distinguish materials with different compositions by tracking the muons traversing it. Through the interactions of the muons in the detectors, it is possible to infer the scattering angle of each muon traversing the volume and to reconstruct a tomographic image of its content with a contrast depending on the atomic number of the materials encountered. From other groups focused on the study of MRPC for muon tomography [13,14,15], the TECNOMUSE project aims to develop a complete scanner based on MRPC. Different simulations have been developed with the aim to assess the detection capabilities and imaging performance

The TECNOMUSE system
Monte Carlo simulations
Muon tomography imaging
Spatial resolution and voxel size
Counting efficiency and count rate
Field-of-view
Volume recognition
Elemental composition
Simulation in a real scenario
Conclusions
Full Text
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