Three-dimensional fast tracker for the central drift chamber based level-1 trigger system in the Belle II experiment
- Authors
- Won, E.; Kim, J. B.; Ko, B. R.
- Issue Date
- 1월-2018
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Level-1 trigger; FPGA; Three-dimensional tracking algorithm; Drift chamber
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.72, no.1, pp.33 - 37
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 72
- Number
- 1
- Start Page
- 33
- End Page
- 37
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/78063
- DOI
- 10.3938/jkps.72.33
- ISSN
- 0374-4884
- Abstract
- The Belle II detector at the SuperKEKB accelerator has a level-1 trigger implemented in field-programmable gate arrays. Due to the high luminosity of the beam, a trigger that effectively rejects beam-induced background is required. A three-dimensional tracking algorithm for the level-1 trigger that uses the Belle II central drift chamber detector response is being developed to reduce the recorded beam background while having a high efficiency for physics of interest. In this paper, we describe the three-dimensional track trigger that finds and fits track parameters that we developed.
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