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Study of muon tomographic imaging for high-Z material detection with a Micromegas-based tracking system

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Abstract

Purpose

To study the cosmic ray muon tomographic imaging of high-Z material with Micromegas-based tracking system.

Method

A high-spatial-resolution tracking system was set up with the micro-mesh gaseous structure (Micromegas) detectors in order to study the muon tomographic imaging technique. Six layers of 90 mm × 90 mm one-dimensional readout Micromegas were used to construct a tracking system.

Result and conclusion

The imaging test using some metallic bars was performed with cosmic ray muons. A two-dimensional imaging of the test object was presented with a newly proposed ratio algorithm. The result of this work shows that the ratio algorithm is well performed.

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Acknowledgements

This work was supported by the Program of National Natural Science Foundation of China Grant No. 11605197, the Fundamental Research Funds for the Central Universities, and the State Key Laboratory of Particle Detection and Electronics, SKLPDE-ZZ-201818, SKLPDE-KF-201912. This work was partially carried out at the USTC Center for Micro and Nanoscale Research and Fabrication, and we wish to thank Yu Wei for his help on the nanofabrication steps for germanium coating.

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Authors and Affiliations

  1. State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei, 230026, China

    Cheng-Ming Liu, Zhi-Yong Zhang & Guang-Shun Huang

  2. AnHui University, Hefei, 230061, China

    Qun-Gang Wen

Authors
  1. Cheng-Ming Liu
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  2. Qun-Gang Wen
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  3. Zhi-Yong Zhang
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  4. Guang-Shun Huang
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Correspondence to Qun-Gang Wen, Zhi-Yong Zhang or Guang-Shun Huang.

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Liu, CM., Wen, QG., Zhang, ZY. et al. Study of muon tomographic imaging for high-Z material detection with a Micromegas-based tracking system. Radiat Detect Technol Methods 4, 263–268 (2020). https://doi.org/10.1007/s41605-020-00179-9

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  • DOI: https://doi.org/10.1007/s41605-020-00179-9

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