Simulation of MAPS and a MAPS-based Inner Tracker for the Super Tau-Charm Facility Article Swipe
Ruiyang Zhang
,
Dongwei Xuan
,
Jiajun Qin
,
Lei Zhao
,
Le Xiao
,
Xiangming Sun
,
L. Xu
,
Jianbei Liu
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2506.03712
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2506.03712
Monolithic Active Pixel Sensors (MAPS) are a promising detector candidate for the inner tracker of the Super Tau-Charm Facility (STCF). To evaluate the performance of MAPS and the MAPS-based inner tracker, a dedicated simulation workflow has been developed, offering essential insights for detector design and optimization. The intrinsic characteristics of MAPS, designed using several fabrication processes and pixel geometries, were investigated through a combination of Technology Computer Aided Design (TCAD) and Monte Carlo simulations. Simulations were conducted with both minimum ionizing particles and $^{55}$Fe X-rays to assess critical parameters such as detection efficiency, cluster size, spatial resolution, and charge collection efficiency. Based on these evaluations, a MAPS sensor featuring a strip-like pixel and a high-resistivity epitaxial layer is selected as the baseline sensor design for the STCF inner tracker due to its excellent performance. Using this optimized MAPS design, a three-layer MAPS-based inner tracker was modeled and simulated. The simulation demonstrated an average detection efficiency exceeding 99%, spatial resolutions of 44.8$\rm{μm}$ in the $z$ direction and 8.2$\rm{μm}$ in the $r-ϕ$ direction, and an intrinsic sensor time resolution of 5.9ns for 1GeV/c $μ^-$ particles originating from the interaction point. These promising results suggest that the MAPS-based inner tracker fulfills the performance requirements of the STCF experiment.
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- Type
- preprint
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- en
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- http://arxiv.org/abs/2506.03712
- https://arxiv.org/pdf/2506.03712
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All OpenAlex metadata
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Simulation of MAPS and a MAPS-based Inner Tracker for the Super Tau-Charm FacilityWork title
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preprintOpenAlex work type
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enPrimary language
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2025Year of publication
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2025-06-04Full publication date if available
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Ruiyang Zhang, Dongwei Xuan, Jiajun Qin, Lei Zhao, Le Xiao, Xiangming Sun, L. Xu, Jianbei LiuList of authors in order
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https://arxiv.org/abs/2506.03712Publisher landing page
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0Total citation count in OpenAlex
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