Bonn 2020 – scientific programme

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T: Fachverband Teilchenphysik

T 86: DAQ, trigger and electronics IV

T 86.6: Talk

Thursday, April 2, 2020, 17:45–18:00, L-3.015

The LHCb real-time analysis concept for a purely software-based trigger for Run III of the LHC — •André Günther¹, Stephanie Hansmann-Menzemer¹, Sascha Stahl², and Michel De Cian³ — ¹Physikalisches Institut, Uni Heidelberg — ²CERN — ³École polytechnique fédérale de Lausanne

The LHCb experiment in the Run 3 environment of the LHC faces challenging rates of data containing particle decays of interest. In fact, expected signal rates alone are higher than current raw data storage capabilities. Therefore, LHCb is implementing a real-time data processing strategy and a reduced event model allowing triggering on fully reconstructed events and persisting an arbitrary set of reconstructed or raw objects. A crucial part of the real-time data analysis are fast and efficient tracking algorithms. The talk highlights ways to improve the so-called Forward Tracking, which is the algorithm reconstructing the majority of charged particle trajectories used in LHCb analyses.