Studies of the FBK Low-Gain Avalanche Detectors for the CMS Endcap Timing Layer
- Fermilab
- Northeastern U.
The CMS MIP Timing Detector (MTD) will bring precision timing information as part of the Phase II upgrade program to prepare CMS for the HL-LHC. The MTD will provide hermetic timing coverage up to a pseudo-rapidity of |η| = 3, with time resolution better than 40 ps. In the high-radiation forward region from |η|=1.6 and 3.0, this achieved with the Endcap Timing Layer (ETL), based on silicon low gain avalanche detectors (LGADs). An extensive LGAD R&D program has been ongoing to characterize sensor performance to develop LGADs suitable for ETL. We discuss the details of the automated test beam DAQ environment developed for efficient characterization of prototype LGAD sensors at the Fermilab Test Beam Facility (FTBF), and the latest results for sensors produced by Fondazione Bruno Kessler (FBK) with a focus on characterization of radiation hardness and uniformity.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1525881
- Report Number(s):
- FERMILAB-POSTER-19-004-E; 1739517
- Country of Publication:
- United States
- Language:
- English
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