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Performance of carbon implantation LGAD developed by IHEP and IME

Aug 11, 2022, 2:58 PM
2m

Speaker

Mengzhao LI (高能所)

Description

Low Gain Avalanche Detector (LGAD) with time resolution better than 50 ps has been choose as the sensors for ATLAS High Granularity Timing Detector (HGTD) project and have so far been developed by several institutes. This poster will show measurement results of carbon implantation LGAD sensors designed by the Institute of High Energy Physics (IHEP) and fabricated by Institute of Micro Electronics (IME). The time resolution of IHEP-IME LGAD sensors are better than 35 ps and the collected charges are larger than 30 fC before irradiation. After irradiation fluence of 2.5 × 1015 neq/cm2, the collected charges of the IHEP-IMEv2 LGAD reaches 4 fC with a time resolution of better than 50 ps at 400 V. The operating voltage of the IHEP-IMEv2 sensors can effectively avoid the single event burnout effect.

Primary author

Mengzhao LI (高能所)

Presentation materials