A simulation model of front-end electronics for high-precision timing measurements with low-gain avalanche detectors
Abstract
Here, we report simulation results of a study aiming to optimize parameters of a detector that uses low-gain avalanche detectors (LGAD) for high-precision timing measurements. The detector is assumed to be composed of a 50μm LGAD sensor coupled to front-end readout electronics which is used to measure the time of arrival of minimum ionizing particles. The simulation includes modeling of signal fluctuations in the LGAD sensor, variations of the analog bandwidth and signal-to-noise ratio (SNR) of the front-end electronics, time bin quantization, and radiation damage of the LGAD sensors. Two approaches to measure the timestamp are considered: leading edge and constant fraction. Simulated LGAD pulses before irradiation, and after irradiation with neutron fluences of 5×1014 n/cm2 and 1×1015 n/cm2, are studied. The time resolution for a 50μm LGADs was found to be 35 ps for front-end electronics bandwidths larger than 350 MHz and SNRs larger than 30. The time resolution at SNR of 30 for fluences of 5×1014 n/cm2 and 1×1015 n/cm2 were found to be 31 ps and 37 ps, respectively.
- Authors:
-
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); California Institute of Technology (CalTech), Pasadena, CA (United States)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- California Institute of Technology (CalTech), Pasadena, CA (United States)
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Laboratory Directed Research and Development (LDRD) Program; European Research Council (ERC); Ministry of Economy, Industry and Competitiveness (MINECO) (Spain)
- OSTI Identifier:
- 1765127
- Alternate Identifier(s):
- OSTI ID: 1691741
- Report Number(s):
- FERMILAB-PUB-19-370-PPD
Journal ID: ISSN 0168-9002; oai:inspirehep.net:1740975; TRN: US2206221
- Grant/Contract Number:
- AC02-07CH11359; 2017.027; FG02-04ER41286; SC0011925; 654168; 669529; FPA2014-55295-C3-2-R; FPA2015-69260-C3-3-R
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
- Additional Journal Information:
- Journal Volume: 940; Journal ID: ISSN 0168-9002
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Silicon; Timing; LGAD
Citation Formats
Peña, C., Deptuch, G., Xie, S., Apresyan, A., Narváez, L., and Ristori, L. A simulation model of front-end electronics for high-precision timing measurements with low-gain avalanche detectors. United States: N. p., 2019.
Web. doi:10.1016/j.nima.2019.06.010.
Peña, C., Deptuch, G., Xie, S., Apresyan, A., Narváez, L., & Ristori, L. A simulation model of front-end electronics for high-precision timing measurements with low-gain avalanche detectors. United States. https://doi.org/10.1016/j.nima.2019.06.010
Peña, C., Deptuch, G., Xie, S., Apresyan, A., Narváez, L., and Ristori, L. Tue .
"A simulation model of front-end electronics for high-precision timing measurements with low-gain avalanche detectors". United States. https://doi.org/10.1016/j.nima.2019.06.010. https://www.osti.gov/servlets/purl/1765127.
@article{osti_1765127,
title = {A simulation model of front-end electronics for high-precision timing measurements with low-gain avalanche detectors},
author = {Peña, C. and Deptuch, G. and Xie, S. and Apresyan, A. and Narváez, L. and Ristori, L.},
abstractNote = {Here, we report simulation results of a study aiming to optimize parameters of a detector that uses low-gain avalanche detectors (LGAD) for high-precision timing measurements. The detector is assumed to be composed of a 50μm LGAD sensor coupled to front-end readout electronics which is used to measure the time of arrival of minimum ionizing particles. The simulation includes modeling of signal fluctuations in the LGAD sensor, variations of the analog bandwidth and signal-to-noise ratio (SNR) of the front-end electronics, time bin quantization, and radiation damage of the LGAD sensors. Two approaches to measure the timestamp are considered: leading edge and constant fraction. Simulated LGAD pulses before irradiation, and after irradiation with neutron fluences of 5×1014 n/cm2 and 1×1015 n/cm2, are studied. The time resolution for a 50μm LGADs was found to be 35 ps for front-end electronics bandwidths larger than 350 MHz and SNRs larger than 30. The time resolution at SNR of 30 for fluences of 5×1014 n/cm2 and 1×1015 n/cm2 were found to be 31 ps and 37 ps, respectively.},
doi = {10.1016/j.nima.2019.06.010},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 940,
place = {United States},
year = {Tue Jun 11 00:00:00 EDT 2019},
month = {Tue Jun 11 00:00:00 EDT 2019}
}
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