An FPGA-Based Trigger System With Online Track Recognition in COMET Phase-I Article Swipe
Y. Nakazawa
,
Yuki Fujii
,
M. Ikeno
,
Y. Kuno
,
M. J. Lee
,
S. Mihara
,
M. Shoji
,
Tomohisa Uchida
,
K. Ueno
,
Hisataka Yoshida
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1109/tns.2021.3084624
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1109/tns.2021.3084624
An FPGA-based online trigger system has been developed for the COMET Phase-I experiment. This experiment searches for muon-to-electron conversion, which has never been observed yet. A drift chamber and trigger counters detect a mono-energetic electron from the conversion process in a 1-T solenoidal magnetic field. A highly intense muon source is applied to reach unprecedented experimental sensitivity. It also generates undesirable background particles, and a trigger rate due to these particles is expected to be much higher than an acceptable trigger rate in the data acquisition system. By using hit information from the drift chamber too, the online trigger system efficiently suppresses a background trigger rate while keeping signal-event acceptance large. A characteristic of this system is the utilization of the machine learning technique in the form of look-up tables on hardware. An initial simulation study indicates that the signal-event acceptance of the online trigger is 96% while the background trigger rate is reduced from over $90\,\mathrm{kHz}$ to $13\,\mathrm{kHz}$. For this scenario, we have produced trigger-related electronics that construct a distributed trigger architecture. The total latency of the trigger system was estimated to be $3.2\,\mathrm{μs}$, and the first operation test was carried out by using a part of the drift-chamber readout region.
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Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.1109/tns.2021.3084624
- OA Status
- green
- Cited By
- 1
- References
- 10
- Related Works
- 20
- OpenAlex ID
- https://openalex.org/W3097570365
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3097570365Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1109/tns.2021.3084624Digital Object Identifier
- Title
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An FPGA-Based Trigger System With Online Track Recognition in COMET Phase-IWork title
- Type
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preprintOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
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2021-05-28Full publication date if available
- Authors
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Y. Nakazawa, Yuki Fujii, M. Ikeno, Y. Kuno, M. J. Lee, S. Mihara, M. Shoji, Tomohisa Uchida, K. Ueno, Hisataka YoshidaList of authors in order
- Landing page
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https://doi.org/10.1109/tns.2021.3084624Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://arxiv.org/pdf/2010.16203.pdfDirect OA link when available
- Concepts
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Field-programmable gate array, Muon, Physics, Event (particle physics), SIGNAL (programming language), Computer science, Latency (audio), Data acquisition, Computer hardware, Real-time computing, Nuclear physics, Operating system, Telecommunications, Programming language, Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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1Total citation count in OpenAlex
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2021: 1Per-year citation counts (last 5 years)
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- Related works (count)
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20Other works algorithmically related by OpenAlex
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