Bonn 2020 – scientific programme

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T: Fachverband Teilchenphysik

T 97: Drell-Yan and jet production

T 97.8: Talk

Friday, April 3, 2020, 12:45–13:00, H-HS XI

Jet substructure modeling in dijet and Z+jet events — •Julian Zeyn, Robin Aggleton, and Andreas Hinzmann — University of Hamburg

Searches for boosted W-, Z-, H- or top-jets make use of jet substructure observables to reduce the background composed of quark and gluon jets. In particular, gluon jets dominate the QCD multijet background. Therefore, precise background modeling is necessary to gain sensitivity for such searches.

We use gluon enriched dijet and quark enriched Z+jet samples to measure substructure observables. We then study the modeling of quark and gluon jets in Monte Carlo generators with the goal of finding a tune that well describes the jet substructure of quark and gluon jets while not breaking the modeling of existing measurements.