Measurements of an AC-LGAD strip sensor with a 120 GeV proton beam
Abstract
The development of detectors that provide high resolution in four dimensions has attracted wide-spread interest in the scientific community for several applications in high-energy physics, nuclear physics, medical imaging, mass spectroscopy as well as quantum information. In addition to high time resolution and thanks to the AC-coupling of the electrodes, LGAD silicon sensors can provide high resolution in the measurement of spatial coordinates of an incident minimum ionizing particle. Such AC-coupled LGADs, also known as AC-LGADs, are therefore considered as candidates for future detectors to provide 4-dimensional measurements in a single sensing device with 100% fill factor. This article presents the first characterization of an AC-LGAD sensor with a proton beam of 120 GeV momentum at Fermilab. The sensor consists of strips with 80 μm width, fabricated at Brookhaven National Laboratory. The signal properties, efficiency, spatial, and time resolution are presented. Overall, the experimental results show that the time resolution of such an AC-LGAD is compatible to standard LGADs with similar gain, and that AC-LGADs can be segmented with fine pitches as standard strip or pixel detectors.
- Authors:
-
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Kyungpook National Univ., Daegu (South Korea)
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Research Foundation of Korea (NRF)
- OSTI Identifier:
- 1716749
- Report Number(s):
- BNL-220561-2020-JAAM
Journal ID: ISSN 1748-0221
- Grant/Contract Number:
- SC0012704; AC02-07CH11359; 2018R1A6A1A06024970; 2020R1A2C1012322; NRF-2008-00460
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Instrumentation
- Additional Journal Information:
- Journal Volume: 15; Journal Issue: 9; Journal ID: ISSN 1748-0221
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; Solid state detectors; timing detectors; particle tracking detectors; Si microstrip and pad detectors
Citation Formats
Apresyan, Artur, Chen, Wei, D'Amen, Gabriele, Di Petrillo, Karri F., Giacomini, Gabriele, Heller, Ryan E., Lee, Hakseong, Moon, Chang-Seong, and Tricoli, Alessandro. Measurements of an AC-LGAD strip sensor with a 120 GeV proton beam. United States: N. p., 2020.
Web. doi:10.1088/1748-0221/15/09/P09038.
Apresyan, Artur, Chen, Wei, D'Amen, Gabriele, Di Petrillo, Karri F., Giacomini, Gabriele, Heller, Ryan E., Lee, Hakseong, Moon, Chang-Seong, & Tricoli, Alessandro. Measurements of an AC-LGAD strip sensor with a 120 GeV proton beam. United States. https://doi.org/10.1088/1748-0221/15/09/P09038
Apresyan, Artur, Chen, Wei, D'Amen, Gabriele, Di Petrillo, Karri F., Giacomini, Gabriele, Heller, Ryan E., Lee, Hakseong, Moon, Chang-Seong, and Tricoli, Alessandro. Wed .
"Measurements of an AC-LGAD strip sensor with a 120 GeV proton beam". United States. https://doi.org/10.1088/1748-0221/15/09/P09038. https://www.osti.gov/servlets/purl/1716749.
@article{osti_1716749,
title = {Measurements of an AC-LGAD strip sensor with a 120 GeV proton beam},
author = {Apresyan, Artur and Chen, Wei and D'Amen, Gabriele and Di Petrillo, Karri F. and Giacomini, Gabriele and Heller, Ryan E. and Lee, Hakseong and Moon, Chang-Seong and Tricoli, Alessandro},
abstractNote = {The development of detectors that provide high resolution in four dimensions has attracted wide-spread interest in the scientific community for several applications in high-energy physics, nuclear physics, medical imaging, mass spectroscopy as well as quantum information. In addition to high time resolution and thanks to the AC-coupling of the electrodes, LGAD silicon sensors can provide high resolution in the measurement of spatial coordinates of an incident minimum ionizing particle. Such AC-coupled LGADs, also known as AC-LGADs, are therefore considered as candidates for future detectors to provide 4-dimensional measurements in a single sensing device with 100% fill factor. This article presents the first characterization of an AC-LGAD sensor with a proton beam of 120 GeV momentum at Fermilab. The sensor consists of strips with 80 μm width, fabricated at Brookhaven National Laboratory. The signal properties, efficiency, spatial, and time resolution are presented. Overall, the experimental results show that the time resolution of such an AC-LGAD is compatible to standard LGADs with similar gain, and that AC-LGADs can be segmented with fine pitches as standard strip or pixel detectors.},
doi = {10.1088/1748-0221/15/09/P09038},
journal = {Journal of Instrumentation},
number = 9,
volume = 15,
place = {United States},
year = {Wed Sep 30 00:00:00 EDT 2020},
month = {Wed Sep 30 00:00:00 EDT 2020}
}
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