Performance of USTC first batch resistive AC-LGAD sensor
Han Li, Xiao Yang, Kuo Ma, Hang Yang, Aonan Wang, De Zhang, Tianao Wang, Xiangxuan Zheng, Jiajin Ge, Yusheng Wu, Hao Liang, Yanwen Liu
TL;DR
This paper presents the design and detailed characterization of resistive AC-LGAD sensors developed at USTC, demonstrating high spatial and temporal resolution capabilities through laser and radioactive source testing.
Contribution
It introduces the first batch of resistive AC-LGAD sensors from USTC and provides comprehensive performance evaluation using advanced measurement techniques.
Findings
Spatial resolution of 4 μm achieved
Temporal resolution of 48 ps achieved
Sensors show promising performance for high-precision timing and detection
Abstract
In this paper, the design and characterization of AC-LGAD sensors at the University of Science and Technology of China is introduced. The sensors are characterized with an infrared laser Transient Current Technique (TCT) system for evaluating signal response characteristics and spatial resolution. The temporal resolution was quantified with electrons emitted by a Sr-90 radioactive source. The spatial resolution can reach 4 {\mu}m and a temporal resolution of 48 ps is achieved
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Taxonomy
TopicsParticle Detector Development and Performance · Magnetic Field Sensors Techniques · Radiation Detection and Scintillator Technologies