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T: Fachverband Teilchenphysik

T 18: Flavor physics: algorithms

T 18.3: Vortrag

Montag, 30. März 2020, 17:00–17:15, L-3.001

Flavour tagging developments at LHCb — •Quentin Führing, Kevin Heinicke, and Vukan Jevtic — Experimentelle Physik 5, TU Dortmund

The LHCb experiment at the Large Hadron Collider performs precise measurements of CP violation in the B meson sector. For such measurements knowledge of the B meson flavour at production is necessary.

At LHCb the production flavour of B mesons is determined by various flavour tagging algorithms. All of these algorithms exploit hadronisation processes in the B meson production, where various particles are produced in correlation to the initial B flavour.

A new approach in the LHCb flavour tagging is an inclusive flavour tagging algorithm, which evaluates near all tracks of an event by using a recurrent neural network. The current state of the inclusive flavour tagging algorithm development will be presented.