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| Autori principali: | , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2506.03712 |
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| _version_ | 1866917137705074688 |
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| author | Zhang, Ruiyang Xuan, Dongwei Qin, Jiajun Zhao, Lei Xiao, Le Sun, Xiangming Xu, Lailin Liu, Jianbei |
| author_facet | Zhang, Ruiyang Xuan, Dongwei Qin, Jiajun Zhao, Lei Xiao, Le Sun, Xiangming Xu, Lailin Liu, Jianbei |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_03712 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Simulation of MAPS and a MAPS-based Inner Tracker for the Super Tau-Charm Facility Zhang, Ruiyang Xuan, Dongwei Qin, Jiajun Zhao, Lei Xiao, Le Sun, Xiangming Xu, Lailin Liu, Jianbei Instrumentation and Detectors High Energy Physics - Experiment 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. |
| title | Simulation of MAPS and a MAPS-based Inner Tracker for the Super Tau-Charm Facility |
| topic | Instrumentation and Detectors High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2506.03712 |