Conference Presentation

PUBDB-2022-07879

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Multi-differential Jet Substructure Measurement in High $Q^2$ Deep-Inelastic Scattering with the H1 Detector

Mikuni, V. M. (Corresponding author)Extern* ; Nachman, B.Extern*

2022

Abstract: A study of different jet observables in high $Q^2$ Deep-Inelastic Scattering events close to the Born kinematics is presented. Differential and multi-differential cross-sections are presented as a function of the jet’s charged constituent multiplicity, momentum dispersion, jet charge, as well as three values of jet angularities. Results are split into multiple $Q^2$ intervals, probing the evolution of jet observables with energy scale. These measurements probe the description of parton showers and provide insight into non-perturbative QCD. Unfolded results are derived without binning using the machine learning-based method Omnifold. All observables are unfolded simultaneously by using reconstructedparticles inside jets as inputs to a graph neural network. Results are compared with a variety of predictions.

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Contributing Institute(s):

1. H1 Kollaboration (H1)

Research Program(s):

1. 899 - ohne Topic (POF4-899) (POF4-899)

Experiment(s):

1. Facility (machine) HERA

Appears in the scientific report 2022

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