PoS - Proceedings of Science
Volume 390 - 40th International Conference on High Energy physics (ICHEP2020) - Parallel: Operation, Performance and Upgrade of Present Detectors
Flexible selections at 30 MHz in the LHCb Upgrade trigger
V. Daussy-Renaudin
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Pre-published on: January 18, 2021
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The first LHCb upgrade will take data at an instantaneous luminosity of \(2\times 10^{33}\,\text{cm}^{−2}\text{s}^{−1}\) starting in 2022. Due to the high rate of beauty and charm signals LHCb has chosen as its baseline to read out the entire detector into a software trigger running at the LHC collision frequency of \(30\,\)MHz. This High Level Trigger (HLT) will enable unprecedented flexibility for trigger selections. To provide a flexible trigger, the key features of the trigger selection framework are discussed here as well as the current performance.
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