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Unbinned deep learning jet substructure measurement in high Q.sup.2./sup. ep collisions at HERA
- 1.0582507 - FZÚ 2024 RIV NL eng J - Journal Article
Andreev, V. - Arratia, M. - Baghdasaryan, A. - Cvach, Jaroslav - Hladký, Jan - Reimer, Petr … Total 144 authors
Unbinned deep learning jet substructure measurement in high Q2 ep collisions at HERA.
Physics Letters. B. Roč. 844, Sept (2023), č. článku 138101. ISSN 0370-2693. E-ISSN 1873-2445
Institutional support: RVO:68378271
Keywords : DESY HERA Stor * H1 * nuclear physics * quark: jet
OECD category: Particles and field physics
Impact factor: 4.3, year: 2022
Method of publishing: Open access
The radiation pattern within high energy quark- and gluon-initiated jets (jet substructure) is used extensively as a precision probe of the strong force as well as an environment for optimizing event generators with numerous applications in high energy particle and nuclear physics. Looking at electron-proton collisions is of particular interest as many of the complications present at hadron colliders are absent. A detailed study of modern jet substructure observables, jet angularities, in electron-proton collisions is presented using data recorded using the H1 detector at HERA. The measurement is unbinned and multi-dimensional, using machine learning to correct for detector effects. All of the available reconstructed object information of the respective jets is interpreted by a graph neural network, achieving superior precision on a selected set of jet angularities.
Permanent Link: https://hdl.handle.net/11104/0350569
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