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Measurement of Lepton-Jet Correlation in Deep-Inelastic Scattering with the H1 Detector Using Machine Learning for Unfolding

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • H1 Collaboration
Article number132002
<mark>Journal publication date</mark>31/03/2022
<mark>Journal</mark>Physical review letters
Issue number13
Number of pages9
Publication StatusPublished
<mark>Original language</mark>English


The first measurement of lepton-jet momentum imbalance and azimuthal correlation in lepton-proton scattering at high momentum transfer is presented. These data, taken with the H1 detector at HERA, are corrected for detector effects using an unbinned machine learning algorithm (multifold), which considers eight observables simultaneously in this first application. The unfolded cross sections are compared with calculations performed within the context of collinear or transverse-momentum-dependent factorization in quantum chromodynamics as well as Monte Carlo event generators.