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Multi-dimensional measurements of parton shower in pp collisions at RHIC
- 1.0570485 - ÚJF 2023 RIV IT eng C - Conference Paper (international conference)
Robotková, Monika
Multi-dimensional measurements of parton shower in pp collisions at RHIC.
Proceedings of Science. Vol. 414. Trieste: Sissa Medilab srl, 2023, č. článku 1183. ISSN 1824-8039.
[International Conference on High Energy Physics /41./ ICHEP 2022. Bologna (IT), 06.07.2022-13.07.2022]
R&D Projects: GA MŠMT LTT18002
Research Infrastructure: BNL-CZ II - 90109
Institutional support: RVO:61389005
Keywords : dimensional measurements * colliding beam accelerator * STAR experiment
OECD category: Particles and field physics
https://doi.org/10.22323/1.414.1183
Jets, collimated sprays of hadrons, serve as an experimental tool for studying parton shower evolution. Differential measurements of jet substructure observables enable the exploration of perturbative and non-perturbative QCD processes. The SoftDrop grooming technique is based on removing soft wide-angle radiation and products of this procedure are substructure observables, such as the shared momentum fraction (zg) and groomed jet radius (Rg). We present fully corrected correlations between the zg and Rg at the first split for jets of varying momenta in p+p collisions at the center of mass energy √s = 200 GeV. To study the evolution along the jet shower, we also present the zg and Rg observables at the first, second, and third splits for various jet momenta. As these novel measurements are presented in three dimensions, we outline the correction procedure so that it can be used as a template for future multi-differential measurements across all experiments.
Permanent Link: https://hdl.handle.net/11104/0341785
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