SMuK 2023 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 62: DAQ NN/ML – GRID II
T 62.2: Vortrag
Mittwoch, 22. März 2023, 16:05–16:20, HSZ/0301
LHCb’s Topological Trigger in Run 3 — Johannes Albrecht1, Gregory Max Ciezarek2, Blaise Delaney3, Niklas Nolte3, and •Nicole Schulte1 — 1TU Dortmund University, Dortmund, Germany — 2CERN, Switzerland — 3Massachusetts Institute of Technology, Massachusetts, USA
The data-taking conditions expected in Run 3 of the LHCb experiment present unprecedented challenges for the software and computing systems. Consequently, the LHCb collaboration is pioneering an entirely software-based trigger system to efficiently manage the increased event rate. The beauty physics programme of LHCb is heavily dependent on topological triggers. These are dedicated to the inclusive selection of b-hadron candidates based on the characteristic beauty decay topology and their expected kinematic properties.
We present the Run 3 implementation of the topological triggers using Lipschitz monotonic neural networks. This architecture offers robustness under varying detector conditions and sensitivity to long-lived candidates, opening the possibility of discovering New Physics at LHCb.