Erlangen 2026 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 3: Standard Model Physics I
T 3.2: Vortrag
Montag, 16. März 2026, 16:30–16:45, KH 00.014
Phenomenology of heavy flavour jet angularities at hadron colliders — Andrea Ghira1, Lorenzo Mai2, Simone Marzani2, Daniel Reichelt3, Steffen Schumann4, and •Leon Stöcker4 — 1Technical University of Munich, TUM School of Natural Sciences, Physics Department, Garching, Germany — 2Dipartimento di Fisica, Universita di Genova and INFN, Sezione di Genova, Italy — 3CERN, Theoretical Physics Department, Geneva, Switzerland — 4Institut für Theoretische Physik, Georg-August-Universität Göttingen, Germany
We compute resummed and matched predictions for jet angularities in hadronic Z+jet events, where the jet is initiated by a b quark. The analysis is performed both with and without grooming the candidate jets using the SoftDrop algorithm. Mass effects are consistently included at both fixed-order and resummed levels. Our theoretical predictions also incorporate non-perturbative corrections from the underlying event and hadronisation, implemented through parton-to-hadron transfer matrices extracted from dedicated Sherpa Monte Carlo simulations. Finally, we compare our results with previous implementations in order to quantify the impact of mass effects.
Keywords: Resummation; Dead cone effect; Jet angularities; Heavy-flavour jets