A mobile high spatial-resolution Muography instrument based on large-area Micromegas detectors
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914107265908736 |
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| author | Wang, Yu Liu, Shubin Yao, Zhihang Liu, Yulin Zhang, Zhiyong He, Zhengyang Pan, Ziwen Feng, Changqing |
| author_facet | Wang, Yu Liu, Shubin Yao, Zhihang Liu, Yulin Zhang, Zhiyong He, Zhengyang Pan, Ziwen Feng, Changqing |
| contents | Muon radiography is an imaging technique based on muon absorption in matter that allows measurement of internal details in hidden objects or structures. This technique relies on measuring cosmic-ray muons tracks accurately, which reflects the incoming muon flux from both the target object and the open sky. In this paper, we report on the construction of a high spatial resolution muography instrument based on Micromegas detectors. Using four layers of 400 mm ${\times}$ 400 mm Micromegas detectors, channel multiplexing circuits, and the versatile readout system, a moveable muography instrument named $μ$STC-R400 was designed and constructed. Results show that the channel multiplexing circuits can resolve hit positions correctly, and the spatial resolution of the detector is approximately 190 $μ$m. Experiments were conducted at an under-construction subway tunnel and outdoors near a mountain, demonstrating the $μ$STC-R400's ability to maintain high spatial resolution outside the laboratory and its robustness in harsh environments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_05096 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A mobile high spatial-resolution Muography instrument based on large-area Micromegas detectors Wang, Yu Liu, Shubin Yao, Zhihang Liu, Yulin Zhang, Zhiyong He, Zhengyang Pan, Ziwen Feng, Changqing Instrumentation and Detectors High Energy Physics - Experiment Muon radiography is an imaging technique based on muon absorption in matter that allows measurement of internal details in hidden objects or structures. This technique relies on measuring cosmic-ray muons tracks accurately, which reflects the incoming muon flux from both the target object and the open sky. In this paper, we report on the construction of a high spatial resolution muography instrument based on Micromegas detectors. Using four layers of 400 mm ${\times}$ 400 mm Micromegas detectors, channel multiplexing circuits, and the versatile readout system, a moveable muography instrument named $μ$STC-R400 was designed and constructed. Results show that the channel multiplexing circuits can resolve hit positions correctly, and the spatial resolution of the detector is approximately 190 $μ$m. Experiments were conducted at an under-construction subway tunnel and outdoors near a mountain, demonstrating the $μ$STC-R400's ability to maintain high spatial resolution outside the laboratory and its robustness in harsh environments. |
| title | A mobile high spatial-resolution Muography instrument based on large-area Micromegas detectors |
| topic | Instrumentation and Detectors High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2508.05096 |