Development of Pixelated Capacitive-Coupled LGAD (ACLGADpix) Detectors
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866908930104360960 |
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| author | Nakamura, Koji Murayama, Yua Horikoshi, Issei Kobayashi, Mahiro Sato, Koji |
| author_facet | Nakamura, Koji Murayama, Yua Horikoshi, Issei Kobayashi, Mahiro Sato, Koji |
| contents | The Low-Gain Avalanche Diode (LGAD) is a semiconductor detector capable of achieving excellent timing resolution (~20 ps) for minimum ionizing particles (MIPs). To realize a pixelated detector with both high timing precision and spatial resolution, we have been developing Capacitive-Coupled LGADs (ACLGADs) for future collider experiments, such as the latter phase of the High-Luminosity LHC. We have successfully fabricated a pixelated ACLGAD (ACLGADpix) with a 100 $μ$m %\times% 100 $μ$m pixel pitch, maintaining uniform timing performance across the active area. In this presentation, we will report recent measurement results from ACLGADpix prototypes using beta rays, an infrared laser, and a 3 GeV electron beam. We will also discuss potential readout electronics for future collider applications. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2603_29250 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Development of Pixelated Capacitive-Coupled LGAD (ACLGADpix) Detectors Nakamura, Koji Murayama, Yua Horikoshi, Issei Kobayashi, Mahiro Sato, Koji Instrumentation and Detectors High Energy Physics - Experiment The Low-Gain Avalanche Diode (LGAD) is a semiconductor detector capable of achieving excellent timing resolution (~20 ps) for minimum ionizing particles (MIPs). To realize a pixelated detector with both high timing precision and spatial resolution, we have been developing Capacitive-Coupled LGADs (ACLGADs) for future collider experiments, such as the latter phase of the High-Luminosity LHC. We have successfully fabricated a pixelated ACLGAD (ACLGADpix) with a 100 $μ$m %\times% 100 $μ$m pixel pitch, maintaining uniform timing performance across the active area. In this presentation, we will report recent measurement results from ACLGADpix prototypes using beta rays, an infrared laser, and a 3 GeV electron beam. We will also discuss potential readout electronics for future collider applications. |
| title | Development of Pixelated Capacitive-Coupled LGAD (ACLGADpix) Detectors |
| topic | Instrumentation and Detectors High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2603.29250 |